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Diffstat (limited to 'src/node_modules/es-abstract/test/tests.js')
| -rw-r--r-- | src/node_modules/es-abstract/test/tests.js | 4933 |
1 files changed, 4933 insertions, 0 deletions
diff --git a/src/node_modules/es-abstract/test/tests.js b/src/node_modules/es-abstract/test/tests.js new file mode 100644 index 0000000..e2aec23 --- /dev/null +++ b/src/node_modules/es-abstract/test/tests.js @@ -0,0 +1,4933 @@ +'use strict'; + +var test = require('tape'); + +var forEach = require('foreach'); +var is = require('object-is'); +var debug = require('object-inspect'); +var assign = require('object.assign'); +var keys = require('object-keys'); +var has = require('has'); +var arrowFns = require('make-arrow-function').list(); +var hasStrictMode = require('has-strict-mode')(); +var functionsHaveNames = require('functions-have-names')(); +var functionsHaveConfigurableNames = require('functions-have-names').functionsHaveConfigurableNames(); +var hasBigInts = require('has-bigints')(); + +var $getProto = require('../helpers/getProto'); +var $setProto = require('../helpers/setProto'); +var defineProperty = require('./helpers/defineProperty'); +var getInferredName = require('../helpers/getInferredName'); +var getOwnPropertyDescriptor = require('../helpers/getOwnPropertyDescriptor'); +var assertRecordTests = require('./helpers/assertRecord'); +var v = require('./helpers/values'); +var diffOps = require('./diffOps'); + +var MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER || Math.pow(2, 53) - 1; + +var canDistinguishSparseFromUndefined = 0 in [undefined]; // IE 6 - 8 have a bug where this returns false + +// IE 9 does not throw in strict mode when writability/configurability/extensibility is violated +var noThrowOnStrictViolation = (function () { + try { + delete [].length; + return true; + } catch (e) { + } + return false; +}()); + +var leadingPoo = '\uD83D'; +var trailingPoo = '\uDCA9'; +var wholePoo = leadingPoo + trailingPoo; + +var getArraySubclassWithSpeciesConstructor = function getArraySubclass(speciesConstructor) { + var Bar = function Bar() { + var inst = []; + Object.setPrototypeOf(inst, Bar.prototype); + defineProperty(inst, 'constructor', { value: Bar }); + return inst; + }; + Bar.prototype = Object.create(Array.prototype); + Object.setPrototypeOf(Bar, Array); + defineProperty(Bar, Symbol.species, { value: speciesConstructor }); + + return Bar; +}; + +var testIterator = function (t, iterator, expected) { + var resultCount = 0; + var result; + while (result = iterator.next(), !result.done) { // eslint-disable-line no-sequences + t.deepEqual(result, { done: false, value: expected[resultCount] }, 'result ' + resultCount); + resultCount += 1; + } + t.equal(resultCount, expected.length, 'expected ' + expected.length + ', got ' + resultCount); +}; + +var hasSpecies = v.hasSymbols && Symbol.species; + +var hasLastIndex = 'lastIndex' in (/a/).exec('a'); // IE 8 +var hasGroups = 'groups' in (/a/).exec('a'); // modern engines +var kludgeMatch = function kludgeMatch(R, matchObject) { + if (hasGroups) { + assign(matchObject, { groups: matchObject.groups }); + } + if (hasLastIndex) { + assign(matchObject, { lastIndex: R.lastIndex }); + } + return matchObject; +}; + +var testEnumerableOwnNames = function (t, enumerableOwnNames) { + forEach(v.primitives, function (nonObject) { + t['throws']( + function () { enumerableOwnNames(nonObject); }, + debug(nonObject) + ' is not an Object' + ); + }); + + var Child = function Child() { + this.own = {}; + }; + Child.prototype = { + inherited: {} + }; + + var obj = new Child(); + + t.equal('own' in obj, true, 'has "own"'); + t.equal(has(obj, 'own'), true, 'has own "own"'); + t.equal(Object.prototype.propertyIsEnumerable.call(obj, 'own'), true, 'has enumerable "own"'); + + t.equal('inherited' in obj, true, 'has "inherited"'); + t.equal(has(obj, 'inherited'), false, 'has non-own "inherited"'); + t.equal(has(Child.prototype, 'inherited'), true, 'Child.prototype has own "inherited"'); + t.equal(Child.prototype.inherited, obj.inherited, 'Child.prototype.inherited === obj.inherited'); + t.equal(Object.prototype.propertyIsEnumerable.call(Child.prototype, 'inherited'), true, 'has enumerable "inherited"'); + + t.equal('toString' in obj, true, 'has "toString"'); + t.equal(has(obj, 'toString'), false, 'has non-own "toString"'); + t.equal(has(Object.prototype, 'toString'), true, 'Object.prototype has own "toString"'); + t.equal(Object.prototype.toString, obj.toString, 'Object.prototype.toString === obj.toString'); + // eslint-disable-next-line no-useless-call + t.equal(Object.prototype.propertyIsEnumerable.call(Object.prototype, 'toString'), false, 'has non-enumerable "toString"'); + + return obj; +}; + +var testToNumber = function (t, ES, ToNumber) { + t.ok(is(NaN, ToNumber(undefined)), 'undefined coerces to NaN'); + t.ok(is(ToNumber(null), 0), 'null coerces to +0'); + t.ok(is(ToNumber(false), 0), 'false coerces to +0'); + t.equal(1, ToNumber(true), 'true coerces to 1'); + + t.test('numbers', function (st) { + st.ok(is(NaN, ToNumber(NaN)), 'NaN returns itself'); + forEach(v.zeroes.concat(v.infinities, 42), function (num) { + st.equal(num, ToNumber(num), num + ' returns itself'); + }); + forEach(['foo', '0', '4a', '2.0', 'Infinity', '-Infinity'], function (numString) { + st.ok(is(+numString, ToNumber(numString)), '"' + numString + '" coerces to ' + Number(numString)); + }); + st.end(); + }); + + t.test('objects', function (st) { + forEach(v.objects, function (object) { + st.ok(is(ToNumber(object), ToNumber(ES.ToPrimitive(object))), 'object ' + object + ' coerces to same as ToPrimitive of object does'); + }); + st['throws'](function () { return ToNumber(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); + st.end(); + }); + + t.test('binary literals', function (st) { + st.equal(ToNumber('0b10'), 2, '0b10 is 2'); + st.equal(ToNumber({ toString: function () { return '0b11'; } }), 3, 'Object that toStrings to 0b11 is 3'); + + st.equal(true, is(ToNumber('0b12'), NaN), '0b12 is NaN'); + st.equal(true, is(ToNumber({ toString: function () { return '0b112'; } }), NaN), 'Object that toStrings to 0b112 is NaN'); + st.end(); + }); + + t.test('octal literals', function (st) { + st.equal(ToNumber('0o10'), 8, '0o10 is 8'); + st.equal(ToNumber({ toString: function () { return '0o11'; } }), 9, 'Object that toStrings to 0o11 is 9'); + + st.equal(true, is(ToNumber('0o18'), NaN), '0o18 is NaN'); + st.equal(true, is(ToNumber({ toString: function () { return '0o118'; } }), NaN), 'Object that toStrings to 0o118 is NaN'); + st.end(); + }); + + t.test('signed hex numbers', function (st) { + st.equal(true, is(ToNumber('-0xF'), NaN), '-0xF is NaN'); + st.equal(true, is(ToNumber(' -0xF '), NaN), 'space-padded -0xF is NaN'); + st.equal(true, is(ToNumber('+0xF'), NaN), '+0xF is NaN'); + st.equal(true, is(ToNumber(' +0xF '), NaN), 'space-padded +0xF is NaN'); + + st.end(); + }); + + t.test('trimming of whitespace and non-whitespace characters', function (st) { + var whitespace = ' \t\x0b\f\xa0\ufeff\n\r\u2028\u2029\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'; + st.equal(0, ToNumber(whitespace + 0 + whitespace), 'whitespace is trimmed'); + + // Zero-width space (zws), next line character (nel), and non-character (bom) are not whitespace. + var nonWhitespaces = { + '\\u0085': '\u0085', + '\\u200b': '\u200b', + '\\ufffe': '\ufffe' + }; + + forEach(nonWhitespaces, function (desc, nonWS) { + st.equal(true, is(ToNumber(nonWS + 0 + nonWS), NaN), 'non-whitespace ' + desc + ' not trimmed'); + }); + + st.end(); + }); + + forEach(v.symbols, function (symbol) { + t['throws']( + function () { ToNumber(symbol); }, + TypeError, + 'Symbols can’t be converted to a Number: ' + debug(symbol) + ); + }); + + t.test('dates', function (st) { + var invalid = new Date(NaN); + st.ok(is(ToNumber(invalid), NaN), 'invalid Date coerces to NaN'); + var now = +new Date(); + st.equal(ToNumber(new Date(now)), now, 'Date coerces to timestamp'); + st.end(); + }); +}; + +var es2015 = function ES2015(ES, ops, expectedMissing, skips) { + test('has expected operations', function (t) { + var diff = diffOps(ES, ops, expectedMissing); + + t.deepEqual(diff.extra, [], 'no extra ops'); + + t.deepEqual(diff.missing, [], 'no unexpected missing ops'); + + t.end(); + }); + + test('ToPrimitive', function (t) { + t.test('primitives', function (st) { + var testPrimitive = function (primitive) { + st.ok(is(ES.ToPrimitive(primitive), primitive), debug(primitive) + ' is returned correctly'); + }; + forEach(v.primitives, testPrimitive); + st.end(); + }); + + t.test('objects', function (st) { + st.equal(ES.ToPrimitive(v.coercibleObject), 3, 'coercibleObject with no hint coerces to valueOf'); + st.ok(is(ES.ToPrimitive({}), '[object Object]'), '{} with no hint coerces to Object#toString'); + st.equal(ES.ToPrimitive(v.coercibleObject, Number), 3, 'coercibleObject with hint Number coerces to valueOf'); + st.ok(is(ES.ToPrimitive({}, Number), '[object Object]'), '{} with hint Number coerces to NaN'); + st.equal(ES.ToPrimitive(v.coercibleObject, String), 42, 'coercibleObject with hint String coerces to nonstringified toString'); + st.equal(ES.ToPrimitive({}, String), '[object Object]', '{} with hint String coerces to Object#toString'); + st.equal(ES.ToPrimitive(v.toStringOnlyObject), 7, 'toStringOnlyObject returns non-stringified toString'); + st.equal(ES.ToPrimitive(v.valueOfOnlyObject), 4, 'valueOfOnlyObject returns valueOf'); + st['throws'](function () { return ES.ToPrimitive(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws a TypeError'); + st.end(); + }); + + t.test('dates', function (st) { + var invalid = new Date(NaN); + st.equal(ES.ToPrimitive(invalid), Date.prototype.toString.call(invalid), 'invalid Date coerces to Date#toString'); + var now = new Date(); + st.equal(ES.ToPrimitive(now), Date.prototype.toString.call(now), 'Date coerces to Date#toString'); + st.end(); + }); + + t.end(); + }); + + test('ToBoolean', function (t) { + t.equal(false, ES.ToBoolean(undefined), 'undefined coerces to false'); + t.equal(false, ES.ToBoolean(null), 'null coerces to false'); + t.equal(false, ES.ToBoolean(false), 'false returns false'); + t.equal(true, ES.ToBoolean(true), 'true returns true'); + + t.test('numbers', function (st) { + forEach(v.zeroes.concat(NaN), function (falsyNumber) { + st.equal(false, ES.ToBoolean(falsyNumber), 'falsy number ' + falsyNumber + ' coerces to false'); + }); + forEach(v.infinities.concat([42, 1]), function (truthyNumber) { + st.equal(true, ES.ToBoolean(truthyNumber), 'truthy number ' + truthyNumber + ' coerces to true'); + }); + + st.end(); + }); + + t.equal(false, ES.ToBoolean(''), 'empty string coerces to false'); + t.equal(true, ES.ToBoolean('foo'), 'nonempty string coerces to true'); + + t.test('objects', function (st) { + forEach(v.objects, function (obj) { + st.equal(true, ES.ToBoolean(obj), 'object coerces to true'); + }); + st.equal(true, ES.ToBoolean(v.uncoercibleObject), 'uncoercibleObject coerces to true'); + + st.end(); + }); + + t.end(); + }); + + test('ToNumber', function (t) { + testToNumber(t, ES, ES.ToNumber); + + t.end(); + }); + + test('ToInteger', { skip: skips && skips.ToInteger }, function (t) { + forEach([NaN], function (num) { + t.ok(is(0, ES.ToInteger(num)), debug(num) + ' returns +0'); + }); + forEach([0, -0, Infinity, 42], function (num) { + t.ok(is(num, ES.ToInteger(num)), debug(num) + ' returns itself'); + t.ok(is(-num, ES.ToInteger(-num)), '-' + debug(num) + ' returns itself'); + }); + t.equal(3, ES.ToInteger(Math.PI), 'pi returns 3'); + t['throws'](function () { return ES.ToInteger(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); + t.end(); + }); + + test('ToInt32', function (t) { + t.ok(is(0, ES.ToInt32(NaN)), 'NaN coerces to +0'); + forEach([0, Infinity], function (num) { + t.ok(is(0, ES.ToInt32(num)), num + ' returns +0'); + t.ok(is(0, ES.ToInt32(-num)), '-' + num + ' returns +0'); + }); + t['throws'](function () { return ES.ToInt32(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); + t.ok(is(ES.ToInt32(0x100000000), 0), '2^32 returns +0'); + t.ok(is(ES.ToInt32(0x100000000 - 1), -1), '2^32 - 1 returns -1'); + t.ok(is(ES.ToInt32(0x80000000), -0x80000000), '2^31 returns -2^31'); + t.ok(is(ES.ToInt32(0x80000000 - 1), 0x80000000 - 1), '2^31 - 1 returns 2^31 - 1'); + forEach([0, Infinity, NaN, 0x100000000, 0x80000000, 0x10000, 0x42], function (num) { + t.ok(is(ES.ToInt32(num), ES.ToInt32(ES.ToUint32(num))), 'ToInt32(x) === ToInt32(ToUint32(x)) for 0x' + num.toString(16)); + t.ok(is(ES.ToInt32(-num), ES.ToInt32(ES.ToUint32(-num))), 'ToInt32(x) === ToInt32(ToUint32(x)) for -0x' + num.toString(16)); + }); + t.end(); + }); + + test('ToUint32', function (t) { + t.ok(is(0, ES.ToUint32(NaN)), 'NaN coerces to +0'); + forEach([0, Infinity], function (num) { + t.ok(is(0, ES.ToUint32(num)), num + ' returns +0'); + t.ok(is(0, ES.ToUint32(-num)), '-' + num + ' returns +0'); + }); + t['throws'](function () { return ES.ToUint32(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); + t.ok(is(ES.ToUint32(0x100000000), 0), '2^32 returns +0'); + t.ok(is(ES.ToUint32(0x100000000 - 1), 0x100000000 - 1), '2^32 - 1 returns 2^32 - 1'); + t.ok(is(ES.ToUint32(0x80000000), 0x80000000), '2^31 returns 2^31'); + t.ok(is(ES.ToUint32(0x80000000 - 1), 0x80000000 - 1), '2^31 - 1 returns 2^31 - 1'); + forEach([0, Infinity, NaN, 0x100000000, 0x80000000, 0x10000, 0x42], function (num) { + t.ok(is(ES.ToUint32(num), ES.ToUint32(ES.ToInt32(num))), 'ToUint32(x) === ToUint32(ToInt32(x)) for 0x' + num.toString(16)); + t.ok(is(ES.ToUint32(-num), ES.ToUint32(ES.ToInt32(-num))), 'ToUint32(x) === ToUint32(ToInt32(x)) for -0x' + num.toString(16)); + }); + t.end(); + }); + + test('ToInt16', function (t) { + t.ok(is(0, ES.ToInt16(NaN)), 'NaN coerces to +0'); + forEach([0, Infinity], function (num) { + t.ok(is(0, ES.ToInt16(num)), num + ' returns +0'); + t.ok(is(0, ES.ToInt16(-num)), '-' + num + ' returns +0'); + }); + t['throws'](function () { return ES.ToInt16(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); + t.ok(is(ES.ToInt16(0x100000000), 0), '2^32 returns +0'); + t.ok(is(ES.ToInt16(0x100000000 - 1), -1), '2^32 - 1 returns -1'); + t.ok(is(ES.ToInt16(0x80000000), 0), '2^31 returns +0'); + t.ok(is(ES.ToInt16(0x80000000 - 1), -1), '2^31 - 1 returns -1'); + t.ok(is(ES.ToInt16(0x10000), 0), '2^16 returns +0'); + t.ok(is(ES.ToInt16(0x10000 - 1), -1), '2^16 - 1 returns -1'); + t.end(); + }); + + test('ToUint16', function (t) { + t.ok(is(0, ES.ToUint16(NaN)), 'NaN coerces to +0'); + forEach([0, Infinity], function (num) { + t.ok(is(0, ES.ToUint16(num)), num + ' returns +0'); + t.ok(is(0, ES.ToUint16(-num)), '-' + num + ' returns +0'); + }); + t['throws'](function () { return ES.ToUint16(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); + t.ok(is(ES.ToUint16(0x100000000), 0), '2^32 returns +0'); + t.ok(is(ES.ToUint16(0x100000000 - 1), 0x10000 - 1), '2^32 - 1 returns 2^16 - 1'); + t.ok(is(ES.ToUint16(0x80000000), 0), '2^31 returns +0'); + t.ok(is(ES.ToUint16(0x80000000 - 1), 0x10000 - 1), '2^31 - 1 returns 2^16 - 1'); + t.ok(is(ES.ToUint16(0x10000), 0), '2^16 returns +0'); + t.ok(is(ES.ToUint16(0x10000 - 1), 0x10000 - 1), '2^16 - 1 returns 2^16 - 1'); + t.end(); + }); + + test('ToInt8', function (t) { + t.ok(is(0, ES.ToInt8(NaN)), 'NaN coerces to +0'); + forEach([0, Infinity], function (num) { + t.ok(is(0, ES.ToInt8(num)), num + ' returns +0'); + t.ok(is(0, ES.ToInt8(-num)), '-' + num + ' returns +0'); + }); + t['throws'](function () { return ES.ToInt8(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); + t.ok(is(ES.ToInt8(0x100000000), 0), '2^32 returns +0'); + t.ok(is(ES.ToInt8(0x100000000 - 1), -1), '2^32 - 1 returns -1'); + t.ok(is(ES.ToInt8(0x80000000), 0), '2^31 returns +0'); + t.ok(is(ES.ToInt8(0x80000000 - 1), -1), '2^31 - 1 returns -1'); + t.ok(is(ES.ToInt8(0x10000), 0), '2^16 returns +0'); + t.ok(is(ES.ToInt8(0x10000 - 1), -1), '2^16 - 1 returns -1'); + t.ok(is(ES.ToInt8(0x100), 0), '2^8 returns +0'); + t.ok(is(ES.ToInt8(0x100 - 1), -1), '2^8 - 1 returns -1'); + t.ok(is(ES.ToInt8(0x10), 0x10), '2^4 returns 2^4'); + t.end(); + }); + + test('ToUint8', function (t) { + t.ok(is(0, ES.ToUint8(NaN)), 'NaN coerces to +0'); + forEach([0, Infinity], function (num) { + t.ok(is(0, ES.ToUint8(num)), num + ' returns +0'); + t.ok(is(0, ES.ToUint8(-num)), '-' + num + ' returns +0'); + }); + t['throws'](function () { return ES.ToUint8(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); + t.ok(is(ES.ToUint8(0x100000000), 0), '2^32 returns +0'); + t.ok(is(ES.ToUint8(0x100000000 - 1), 0x100 - 1), '2^32 - 1 returns 2^8 - 1'); + t.ok(is(ES.ToUint8(0x80000000), 0), '2^31 returns +0'); + t.ok(is(ES.ToUint8(0x80000000 - 1), 0x100 - 1), '2^31 - 1 returns 2^8 - 1'); + t.ok(is(ES.ToUint8(0x10000), 0), '2^16 returns +0'); + t.ok(is(ES.ToUint8(0x10000 - 1), 0x100 - 1), '2^16 - 1 returns 2^8 - 1'); + t.ok(is(ES.ToUint8(0x100), 0), '2^8 returns +0'); + t.ok(is(ES.ToUint8(0x100 - 1), 0x100 - 1), '2^8 - 1 returns 2^16 - 1'); + t.ok(is(ES.ToUint8(0x10), 0x10), '2^4 returns 2^4'); + t.ok(is(ES.ToUint8(0x10 - 1), 0x10 - 1), '2^4 - 1 returns 2^4 - 1'); + t.end(); + }); + + test('ToUint8Clamp', function (t) { + t.ok(is(0, ES.ToUint8Clamp(NaN)), 'NaN coerces to +0'); + t.ok(is(0, ES.ToUint8Clamp(0)), '+0 returns +0'); + t.ok(is(0, ES.ToUint8Clamp(-0)), '-0 returns +0'); + t.ok(is(0, ES.ToUint8Clamp(-Infinity)), '-Infinity returns +0'); + t['throws'](function () { return ES.ToUint8Clamp(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); + forEach([255, 256, 0x100000, Infinity], function (number) { + t.ok(is(255, ES.ToUint8Clamp(number)), number + ' coerces to 255'); + }); + t.equal(1, ES.ToUint8Clamp(1.49), '1.49 coerces to 1'); + t.equal(2, ES.ToUint8Clamp(1.5), '1.5 coerces to 2, because 2 is even'); + t.equal(2, ES.ToUint8Clamp(1.51), '1.51 coerces to 2'); + + t.equal(2, ES.ToUint8Clamp(2.49), '2.49 coerces to 2'); + t.equal(2, ES.ToUint8Clamp(2.5), '2.5 coerces to 2, because 2 is even'); + t.equal(3, ES.ToUint8Clamp(2.51), '2.51 coerces to 3'); + t.end(); + }); + + test('ToString', function (t) { + forEach(v.objects.concat(v.nonSymbolPrimitives), function (item) { + t.equal(ES.ToString(item), String(item), 'ES.ToString(' + debug(item) + ') ToStrings to String(' + debug(item) + ')'); + }); + + t['throws'](function () { return ES.ToString(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); + + forEach(v.symbols, function (symbol) { + t['throws'](function () { return ES.ToString(symbol); }, TypeError, debug(symbol) + ' throws'); + }); + t.end(); + }); + + test('ToObject', function (t) { + t['throws'](function () { return ES.ToObject(undefined); }, TypeError, 'undefined throws'); + t['throws'](function () { return ES.ToObject(null); }, TypeError, 'null throws'); + forEach(v.numbers, function (number) { + var obj = ES.ToObject(number); + t.equal(typeof obj, 'object', 'number ' + number + ' coerces to object'); + t.equal(true, obj instanceof Number, 'object of ' + number + ' is Number object'); + t.ok(is(obj.valueOf(), number), 'object of ' + number + ' coerces to ' + number); + }); + t.end(); + }); + + test('RequireObjectCoercible', function (t) { + t.equal(false, 'CheckObjectCoercible' in ES, 'CheckObjectCoercible -> RequireObjectCoercible in ES6'); + t['throws'](function () { return ES.RequireObjectCoercible(undefined); }, TypeError, 'undefined throws'); + t['throws'](function () { return ES.RequireObjectCoercible(null); }, TypeError, 'null throws'); + var isCoercible = function (value) { + t.doesNotThrow(function () { return ES.RequireObjectCoercible(value); }, debug(value) + ' does not throw'); + }; + forEach(v.objects.concat(v.nonNullPrimitives), isCoercible); + t.end(); + }); + + test('IsCallable', function (t) { + t.equal(true, ES.IsCallable(function () {}), 'function is callable'); + var nonCallables = [/a/g, {}, Object.prototype, NaN].concat(v.nonFunctions); + forEach(nonCallables, function (nonCallable) { + t.equal(false, ES.IsCallable(nonCallable), debug(nonCallable) + ' is not callable'); + }); + t.end(); + }); + + test('SameValue', function (t) { + t.equal(true, ES.SameValue(NaN, NaN), 'NaN is SameValue as NaN'); + t.equal(false, ES.SameValue(0, -0), '+0 is not SameValue as -0'); + forEach(v.objects.concat(v.primitives), function (val) { + t.equal(val === val, ES.SameValue(val, val), debug(val) + ' is SameValue to itself'); + }); + t.end(); + }); + + test('SameValueZero', function (t) { + t.equal(true, ES.SameValueZero(NaN, NaN), 'NaN is SameValueZero as NaN'); + t.equal(true, ES.SameValueZero(0, -0), '+0 is SameValueZero as -0'); + forEach(v.objects.concat(v.primitives), function (val) { + t.equal(val === val, ES.SameValueZero(val, val), debug(val) + ' is SameValueZero to itself'); + }); + t.end(); + }); + + test('ToPropertyKey', function (t) { + forEach(v.objects.concat(v.nonSymbolPrimitives), function (value) { + t.equal(ES.ToPropertyKey(value), String(value), 'ToPropertyKey(value) === String(value) for non-Symbols'); + }); + + forEach(v.symbols, function (symbol) { + t.equal( + ES.ToPropertyKey(symbol), + symbol, + 'ToPropertyKey(' + debug(symbol) + ') === ' + debug(symbol) + ); + t.equal( + ES.ToPropertyKey(Object(symbol)), + symbol, + 'ToPropertyKey(' + debug(Object(symbol)) + ') === ' + debug(symbol) + ); + }); + + t.end(); + }); + + test('ToLength', function (t) { + t['throws'](function () { return ES.ToLength(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws a TypeError'); + t.equal(3, ES.ToLength(v.coercibleObject), 'coercibleObject coerces to 3'); + t.equal(42, ES.ToLength('42.5'), '"42.5" coerces to 42'); + t.equal(7, ES.ToLength(7.3), '7.3 coerces to 7'); + forEach([-0, -1, -42, -Infinity], function (negative) { + t.ok(is(0, ES.ToLength(negative)), negative + ' coerces to +0'); + }); + t.equal(MAX_SAFE_INTEGER, ES.ToLength(MAX_SAFE_INTEGER + 1), '2^53 coerces to 2^53 - 1'); + t.equal(MAX_SAFE_INTEGER, ES.ToLength(MAX_SAFE_INTEGER + 3), '2^53 + 2 coerces to 2^53 - 1'); + t.end(); + }); + + test('IsArray', function (t) { + t.equal(true, ES.IsArray([]), '[] is array'); + t.equal(false, ES.IsArray({}), '{} is not array'); + t.equal(false, ES.IsArray({ length: 1, 0: true }), 'arraylike object is not array'); + forEach(v.objects.concat(v.primitives), function (value) { + t.equal(false, ES.IsArray(value), debug(value) + ' is not array'); + }); + t.end(); + }); + + test('IsRegExp', function (t) { + forEach([/a/g, new RegExp('a', 'g')], function (regex) { + t.equal(true, ES.IsRegExp(regex), regex + ' is regex'); + }); + + forEach(v.objects.concat(v.primitives), function (nonRegex) { + t.equal(false, ES.IsRegExp(nonRegex), debug(nonRegex) + ' is not regex'); + }); + + t.test('Symbol.match', { skip: !v.hasSymbols || !Symbol.match }, function (st) { + var obj = {}; + obj[Symbol.match] = true; + st.equal(true, ES.IsRegExp(obj), 'object with truthy Symbol.match is regex'); + + var regex = /a/; + defineProperty(regex, Symbol.match, { value: false }); + st.equal(false, ES.IsRegExp(regex), 'regex with falsy Symbol.match is not regex'); + + st.end(); + }); + + t.end(); + }); + + test('IsPropertyKey', function (t) { + forEach(v.numbers.concat(v.objects), function (notKey) { + t.equal(false, ES.IsPropertyKey(notKey), debug(notKey) + ' is not property key'); + }); + + t.equal(true, ES.IsPropertyKey('foo'), 'string is property key'); + + forEach(v.symbols, function (symbol) { + t.equal(true, ES.IsPropertyKey(symbol), debug(symbol) + ' is property key'); + }); + t.end(); + }); + + test('IsInteger', function (t) { + for (var i = -100; i < 100; i += 10) { + t.equal(true, ES.IsInteger(i), i + ' is integer'); + t.equal(false, ES.IsInteger(i + 0.2), (i + 0.2) + ' is not integer'); + } + t.equal(true, ES.IsInteger(-0), '-0 is integer'); + var notInts = v.nonNumbers.concat(v.nonIntegerNumbers, v.infinities, [NaN, [], new Date()]); + forEach(notInts, function (notInt) { + t.equal(false, ES.IsInteger(notInt), debug(notInt) + ' is not integer'); + }); + t.equal(false, ES.IsInteger(v.uncoercibleObject), 'uncoercibleObject is not integer'); + t.end(); + }); + + test('IsExtensible', function (t) { + forEach(v.objects, function (object) { + t.equal(true, ES.IsExtensible(object), debug(object) + ' object is extensible'); + }); + forEach(v.primitives, function (primitive) { + t.equal(false, ES.IsExtensible(primitive), debug(primitive) + ' is not extensible'); + }); + if (Object.preventExtensions) { + t.equal(false, ES.IsExtensible(Object.preventExtensions({})), 'object with extensions prevented is not extensible'); + } + t.end(); + }); + + test('CanonicalNumericIndexString', function (t) { + var throwsOnNonString = function (notString) { + t['throws']( + function () { return ES.CanonicalNumericIndexString(notString); }, + TypeError, + debug(notString) + ' is not a string' + ); + }; + forEach(v.objects.concat(v.numbers), throwsOnNonString); + t.ok(is(-0, ES.CanonicalNumericIndexString('-0')), '"-0" returns -0'); + for (var i = -50; i < 50; i += 10) { + t.equal(i, ES.CanonicalNumericIndexString(String(i)), '"' + i + '" returns ' + i); + t.equal(undefined, ES.CanonicalNumericIndexString(String(i) + 'a'), '"' + i + 'a" returns undefined'); + } + t.end(); + }); + + test('IsConstructor', function (t) { + t.equal(true, ES.IsConstructor(function () {}), 'function is constructor'); + t.equal(false, ES.IsConstructor(/a/g), 'regex is not constructor'); + forEach(v.objects, function (object) { + t.equal(false, ES.IsConstructor(object), object + ' object is not constructor'); + }); + + try { + var arrow = Function('return () => {}')(); // eslint-disable-line no-new-func + t.equal(ES.IsConstructor(arrow), false, 'arrow function is not constructor'); + } catch (e) { + t.comment('SKIP: arrow function syntax not supported.'); + } + + try { + var foo = Function('return class Foo {}')(); // eslint-disable-line no-new-func + t.equal(ES.IsConstructor(foo), true, 'class is constructor'); + } catch (e) { + t.comment('SKIP: class syntax not supported.'); + } + + if (typeof Reflect !== 'object' || typeof Proxy !== 'function' || has(Proxy, 'prototype')) { + t.comment('SKIP: Proxy is constructor'); + } else { + t.equal(ES.IsConstructor(Proxy), true, 'Proxy is constructor'); + } + + t.end(); + }); + + test('Call', function (t) { + var receiver = {}; + var notFuncs = v.nonFunctions.concat([/a/g, new RegExp('a', 'g')]); + t.plan(notFuncs.length + 5); + var throwsIfNotCallable = function (notFunc) { + t['throws']( + function () { return ES.Call(notFunc, receiver); }, + TypeError, + debug(notFunc) + ' (' + typeof notFunc + ') is not callable' + ); + }; + forEach(notFuncs, throwsIfNotCallable); + ES.Call( + function (a, b) { + t.equal(this, receiver, 'context matches expected'); + t.deepEqual([a, b], [1, 2], 'named args are correct'); + t.equal(arguments.length, 3, 'extra argument was passed'); + t.equal(arguments[2], 3, 'extra argument was correct'); + }, + receiver, + [1, 2, 3] + ); + + t.test('Call doesn’t use func.apply', function (st) { + st.plan(4); + + var bad = function (a, b) { + st.equal(this, receiver, 'context matches expected'); + st.deepEqual([a, b], [1, 2], 'named args are correct'); + st.equal(arguments.length, 3, 'extra argument was passed'); + st.equal(arguments[2], 3, 'extra argument was correct'); + }; + + defineProperty(bad, 'apply', { + value: function () { + st.fail('bad.apply shouldn’t get called'); + } + }); + + ES.Call(bad, receiver, [1, 2, 3]); + st.end(); + }); + + t.end(); + }); + + test('GetV', function (t) { + t['throws'](function () { return ES.GetV({ 7: 7 }, 7); }, TypeError, 'Throws a TypeError if `P` is not a property key'); + var obj = { a: function () {} }; + t.equal(ES.GetV(obj, 'a'), obj.a, 'returns property if it exists'); + t.equal(ES.GetV(obj, 'b'), undefined, 'returns undefiend if property does not exist'); + t.end(); + }); + + test('GetMethod', function (t) { + t['throws'](function () { return ES.GetMethod({ 7: 7 }, 7); }, TypeError, 'Throws a TypeError if `P` is not a property key'); + t.equal(ES.GetMethod({}, 'a'), undefined, 'returns undefined in property is undefined'); + t.equal(ES.GetMethod({ a: null }, 'a'), undefined, 'returns undefined if property is null'); + t.equal(ES.GetMethod({ a: undefined }, 'a'), undefined, 'returns undefined if property is undefined'); + var obj = { a: function () {} }; + t['throws'](function () { ES.GetMethod({ a: 'b' }, 'a'); }, TypeError, 'throws TypeError if property exists and is not callable'); + t.equal(ES.GetMethod(obj, 'a'), obj.a, 'returns property if it is callable'); + t.end(); + }); + + test('Get', function (t) { + t['throws'](function () { return ES.Get('a', 'a'); }, TypeError, 'Throws a TypeError if `O` is not an Object'); + t['throws'](function () { return ES.Get({ 7: 7 }, 7); }, TypeError, 'Throws a TypeError if `P` is not a property key'); + + var value = {}; + t.test('Symbols', { skip: !v.hasSymbols }, function (st) { + var sym = Symbol('sym'); + var obj = {}; + obj[sym] = value; + st.equal(ES.Get(obj, sym), value, 'returns property `P` if it exists on object `O`'); + st.end(); + }); + t.equal(ES.Get({ a: value }, 'a'), value, 'returns property `P` if it exists on object `O`'); + t.end(); + }); + + test('Type', { skip: !v.hasSymbols }, function (t) { + t.equal(ES.Type(Symbol.iterator), 'Symbol', 'Type(Symbol.iterator) is Symbol'); + t.end(); + }); + + test('SpeciesConstructor', function (t) { + t['throws'](function () { ES.SpeciesConstructor(null); }, TypeError); + t['throws'](function () { ES.SpeciesConstructor(undefined); }, TypeError); + + var defaultConstructor = function Foo() {}; + + t.equal( + ES.SpeciesConstructor({ constructor: undefined }, defaultConstructor), + defaultConstructor, + 'undefined constructor returns defaultConstructor' + ); + + t['throws']( + function () { return ES.SpeciesConstructor({ constructor: null }, defaultConstructor); }, + TypeError, + 'non-undefined non-object constructor throws' + ); + + t.test('with Symbol.species', { skip: !hasSpecies }, function (st) { + var Bar = function Bar() {}; + Bar[Symbol.species] = null; + + st.equal( + ES.SpeciesConstructor(new Bar(), defaultConstructor), + defaultConstructor, + 'undefined/null Symbol.species returns default constructor' + ); + + var Baz = function Baz() {}; + Baz[Symbol.species] = Bar; + st.equal( + ES.SpeciesConstructor(new Baz(), defaultConstructor), + Bar, + 'returns Symbol.species constructor value' + ); + + Baz[Symbol.species] = {}; + st['throws']( + function () { ES.SpeciesConstructor(new Baz(), defaultConstructor); }, + TypeError, + 'throws when non-constructor non-null non-undefined species value found' + ); + + st.end(); + }); + + t.end(); + }); + + test('IsPropertyDescriptor', { skip: skips && skips.IsPropertyDescriptor }, function (t) { + forEach(v.nonUndefinedPrimitives, function (primitive) { + t.equal( + ES.IsPropertyDescriptor(primitive), + false, + debug(primitive) + ' is not a Property Descriptor' + ); + }); + + t.equal(ES.IsPropertyDescriptor({ invalid: true }), false, 'invalid keys not allowed on a Property Descriptor'); + + t.equal(ES.IsPropertyDescriptor({}), true, 'empty object is an incomplete Property Descriptor'); + + t.equal(ES.IsPropertyDescriptor(v.accessorDescriptor()), true, 'accessor descriptor is a Property Descriptor'); + t.equal(ES.IsPropertyDescriptor(v.mutatorDescriptor()), true, 'mutator descriptor is a Property Descriptor'); + t.equal(ES.IsPropertyDescriptor(v.dataDescriptor()), true, 'data descriptor is a Property Descriptor'); + t.equal(ES.IsPropertyDescriptor(v.genericDescriptor()), true, 'generic descriptor is a Property Descriptor'); + + t['throws']( + function () { ES.IsPropertyDescriptor(v.bothDescriptor()); }, + TypeError, + 'a Property Descriptor can not be both a Data and an Accessor Descriptor' + ); + + t.end(); + }); + + assertRecordTests(ES, test); + + test('IsAccessorDescriptor', function (t) { + forEach(v.nonUndefinedPrimitives, function (primitive) { + t['throws']( + function () { ES.IsAccessorDescriptor(primitive); }, + TypeError, + debug(primitive) + ' is not a Property Descriptor' + ); + }); + + t.equal(ES.IsAccessorDescriptor(), false, 'no value is not an Accessor Descriptor'); + t.equal(ES.IsAccessorDescriptor(undefined), false, 'undefined value is not an Accessor Descriptor'); + + t.equal(ES.IsAccessorDescriptor(v.accessorDescriptor()), true, 'accessor descriptor is an Accessor Descriptor'); + t.equal(ES.IsAccessorDescriptor(v.mutatorDescriptor()), true, 'mutator descriptor is an Accessor Descriptor'); + t.equal(ES.IsAccessorDescriptor(v.dataDescriptor()), false, 'data descriptor is not an Accessor Descriptor'); + t.equal(ES.IsAccessorDescriptor(v.genericDescriptor()), false, 'generic descriptor is not an Accessor Descriptor'); + + t.end(); + }); + + test('IsDataDescriptor', function (t) { + forEach(v.nonUndefinedPrimitives, function (primitive) { + t['throws']( + function () { ES.IsDataDescriptor(primitive); }, + TypeError, + debug(primitive) + ' is not a Property Descriptor' + ); + }); + + t.equal(ES.IsDataDescriptor(), false, 'no value is not a Data Descriptor'); + t.equal(ES.IsDataDescriptor(undefined), false, 'undefined value is not a Data Descriptor'); + + t.equal(ES.IsDataDescriptor(v.accessorDescriptor()), false, 'accessor descriptor is not a Data Descriptor'); + t.equal(ES.IsDataDescriptor(v.mutatorDescriptor()), false, 'mutator descriptor is not a Data Descriptor'); + t.equal(ES.IsDataDescriptor(v.dataDescriptor()), true, 'data descriptor is a Data Descriptor'); + t.equal(ES.IsDataDescriptor(v.genericDescriptor()), false, 'generic descriptor is not a Data Descriptor'); + + t.end(); + }); + + test('IsGenericDescriptor', function (t) { + forEach(v.nonUndefinedPrimitives, function (primitive) { + t['throws']( + function () { ES.IsGenericDescriptor(primitive); }, + TypeError, + debug(primitive) + ' is not a Property Descriptor' + ); + }); + + t.equal(ES.IsGenericDescriptor(), false, 'no value is not a Data Descriptor'); + t.equal(ES.IsGenericDescriptor(undefined), false, 'undefined value is not a Data Descriptor'); + + t.equal(ES.IsGenericDescriptor(v.accessorDescriptor()), false, 'accessor descriptor is not a generic Descriptor'); + t.equal(ES.IsGenericDescriptor(v.mutatorDescriptor()), false, 'mutator descriptor is not a generic Descriptor'); + t.equal(ES.IsGenericDescriptor(v.dataDescriptor()), false, 'data descriptor is not a generic Descriptor'); + + t.equal(ES.IsGenericDescriptor(v.genericDescriptor()), true, 'generic descriptor is a generic Descriptor'); + + t.end(); + }); + + test('FromPropertyDescriptor', function (t) { + t.equal(ES.FromPropertyDescriptor(), undefined, 'no value begets undefined'); + t.equal(ES.FromPropertyDescriptor(undefined), undefined, 'undefined value begets undefined'); + + forEach(v.nonUndefinedPrimitives, function (primitive) { + t['throws']( + function () { ES.FromPropertyDescriptor(primitive); }, + TypeError, + debug(primitive) + ' is not a Property Descriptor' + ); + }); + + var accessor = v.accessorDescriptor(); + t.deepEqual(ES.FromPropertyDescriptor(accessor), { + get: accessor['[[Get]]'], + enumerable: !!accessor['[[Enumerable]]'], + configurable: !!accessor['[[Configurable]]'] + }); + + var mutator = v.mutatorDescriptor(); + t.deepEqual(ES.FromPropertyDescriptor(mutator), { + set: mutator['[[Set]]'], + enumerable: !!mutator['[[Enumerable]]'], + configurable: !!mutator['[[Configurable]]'] + }); + var data = v.dataDescriptor(); + t.deepEqual(ES.FromPropertyDescriptor(data), { + value: data['[[Value]]'], + writable: data['[[Writable]]'] + }); + + t.deepEqual(ES.FromPropertyDescriptor(v.genericDescriptor()), { + enumerable: false, + configurable: true + }); + + t.end(); + }); + + test('ToPropertyDescriptor', function (t) { + forEach(v.nonUndefinedPrimitives, function (primitive) { + t['throws']( + function () { ES.ToPropertyDescriptor(primitive); }, + TypeError, + debug(primitive) + ' is not an Object' + ); + }); + + var accessor = v.accessorDescriptor(); + t.deepEqual(ES.ToPropertyDescriptor({ + get: accessor['[[Get]]'], + enumerable: !!accessor['[[Enumerable]]'], + configurable: !!accessor['[[Configurable]]'] + }), accessor); + + var mutator = v.mutatorDescriptor(); + t.deepEqual(ES.ToPropertyDescriptor({ + set: mutator['[[Set]]'], + enumerable: !!mutator['[[Enumerable]]'], + configurable: !!mutator['[[Configurable]]'] + }), mutator); + + var data = v.dataDescriptor(); + t.deepEqual(ES.ToPropertyDescriptor({ + value: data['[[Value]]'], + writable: data['[[Writable]]'], + configurable: !!data['[[Configurable]]'] + }), assign(data, { '[[Configurable]]': false })); + + var both = v.bothDescriptor(); + t['throws']( + function () { + ES.FromPropertyDescriptor({ get: both['[[Get]]'], value: both['[[Value]]'] }); + }, + TypeError, + 'data and accessor descriptors are mutually exclusive' + ); + + t.end(); + }); + + test('CompletePropertyDescriptor', function (t) { + forEach(v.nonUndefinedPrimitives, function (primitive) { + t['throws']( + function () { ES.CompletePropertyDescriptor(primitive); }, + TypeError, + debug(primitive) + ' is not a Property Descriptor' + ); + }); + + var generic = v.genericDescriptor(); + t.deepEqual( + ES.CompletePropertyDescriptor(generic), + { + '[[Configurable]]': !!generic['[[Configurable]]'], + '[[Enumerable]]': !!generic['[[Enumerable]]'], + '[[Value]]': undefined, + '[[Writable]]': false + }, + 'completes a Generic Descriptor' + ); + + var data = v.dataDescriptor(); + t.deepEqual( + ES.CompletePropertyDescriptor(data), + { + '[[Configurable]]': !!data['[[Configurable]]'], + '[[Enumerable]]': false, + '[[Value]]': data['[[Value]]'], + '[[Writable]]': !!data['[[Writable]]'] + }, + 'completes a Data Descriptor' + ); + + var accessor = v.accessorDescriptor(); + t.deepEqual( + ES.CompletePropertyDescriptor(accessor), + { + '[[Get]]': accessor['[[Get]]'], + '[[Enumerable]]': !!accessor['[[Enumerable]]'], + '[[Configurable]]': !!accessor['[[Configurable]]'], + '[[Set]]': undefined + }, + 'completes an Accessor Descriptor' + ); + + var mutator = v.mutatorDescriptor(); + t.deepEqual( + ES.CompletePropertyDescriptor(mutator), + { + '[[Set]]': mutator['[[Set]]'], + '[[Enumerable]]': !!mutator['[[Enumerable]]'], + '[[Configurable]]': !!mutator['[[Configurable]]'], + '[[Get]]': undefined + }, + 'completes a mutator Descriptor' + ); + + t['throws']( + function () { ES.CompletePropertyDescriptor(v.bothDescriptor()); }, + TypeError, + 'data and accessor descriptors are mutually exclusive' + ); + + t.end(); + }); + + test('Set', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.Set(primitive, '', null, false); }, + TypeError, + debug(primitive) + ' is not an Object' + ); + }); + + forEach(v.nonPropertyKeys, function (nonKey) { + t['throws']( + function () { ES.Set({}, nonKey, null, false); }, + TypeError, + debug(nonKey) + ' is not a Property Key' + ); + }); + + forEach(v.nonBooleans, function (nonBoolean) { + t['throws']( + function () { ES.Set({}, '', null, nonBoolean); }, + TypeError, + debug(nonBoolean) + ' is not a Boolean' + ); + }); + + var o = {}; + var value = {}; + ES.Set(o, 'key', value, true); + t.deepEqual(o, { key: value }, 'key is set'); + + t.test('nonwritable', { skip: !defineProperty.oDP }, function (st) { + var obj = { a: value }; + defineProperty(obj, 'a', { writable: false }); + + st['throws']( + function () { ES.Set(obj, 'a', {}, true); }, + TypeError, + 'can not Set nonwritable property' + ); + + st.doesNotThrow( + function () { + st.equal(ES.Set(obj, 'a', {}, false), false, 'unsuccessful Set returns false'); + }, + 'setting Throw to false prevents an exception' + ); + + st.end(); + }); + + t.test('nonconfigurable', { skip: !defineProperty.oDP }, function (st) { + var obj = { a: value }; + defineProperty(obj, 'a', { configurable: false }); + + st.equal(ES.Set(obj, 'a', value, true), true, 'successful Set returns true'); + st.deepEqual(obj, { a: value }, 'key is set'); + + st.end(); + }); + + t.test('doesn’t call [[Get]] in conforming strict mode environments', { skip: noThrowOnStrictViolation }, function (st) { + var getterCalled = false; + var setterCalls = 0; + var obj = {}; + defineProperty(obj, 'a', { + get: function () { + getterCalled = true; + }, + set: function () { + setterCalls += 1; + } + }); + + st.equal(ES.Set(obj, 'a', value, false), true, 'successful Set returns true'); + st.equal(setterCalls, 1, 'setter was called once'); + st.equal(getterCalled, false, 'getter was not called'); + + st.end(); + }); + + t.end(); + }); + + test('HasOwnProperty', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.HasOwnProperty(primitive, 'key'); }, + TypeError, + debug(primitive) + ' is not an Object' + ); + }); + + forEach(v.nonPropertyKeys, function (nonKey) { + t['throws']( + function () { ES.HasOwnProperty({}, nonKey); }, + TypeError, + debug(nonKey) + ' is not a Property Key' + ); + }); + + t.equal(ES.HasOwnProperty({}, 'toString'), false, 'inherited properties are not own'); + t.equal( + ES.HasOwnProperty({ toString: 1 }, 'toString'), + true, + 'shadowed inherited own properties are own' + ); + t.equal(ES.HasOwnProperty({ a: 1 }, 'a'), true, 'own properties are own'); + + t.end(); + }); + + test('HasProperty', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.HasProperty(primitive, 'key'); }, + TypeError, + debug(primitive) + ' is not an Object' + ); + }); + + forEach(v.nonPropertyKeys, function (nonKey) { + t['throws']( + function () { ES.HasProperty({}, nonKey); }, + TypeError, + debug(nonKey) + ' is not a Property Key' + ); + }); + + t.equal(ES.HasProperty({}, 'nope'), false, 'object does not have nonexistent properties'); + t.equal(ES.HasProperty({}, 'toString'), true, 'object has inherited properties'); + t.equal( + ES.HasProperty({ toString: 1 }, 'toString'), + true, + 'object has shadowed inherited own properties' + ); + t.equal(ES.HasProperty({ a: 1 }, 'a'), true, 'object has own properties'); + + t.end(); + }); + + test('IsConcatSpreadable', function (t) { + forEach(v.primitives, function (primitive) { + t.equal(ES.IsConcatSpreadable(primitive), false, debug(primitive) + ' is not an Object'); + }); + + var hasSymbolConcatSpreadable = v.hasSymbols && Symbol.isConcatSpreadable; + t.test('Symbol.isConcatSpreadable', { skip: !hasSymbolConcatSpreadable }, function (st) { + forEach(v.falsies, function (falsy) { + var obj = {}; + obj[Symbol.isConcatSpreadable] = falsy; + st.equal( + ES.IsConcatSpreadable(obj), + false, + 'an object with ' + debug(falsy) + ' as Symbol.isConcatSpreadable is not concat spreadable' + ); + }); + + forEach(v.truthies, function (truthy) { + var obj = {}; + obj[Symbol.isConcatSpreadable] = truthy; + st.equal( + ES.IsConcatSpreadable(obj), + true, + 'an object with ' + debug(truthy) + ' as Symbol.isConcatSpreadable is concat spreadable' + ); + }); + + st.end(); + }); + + forEach(v.objects, function (object) { + t.equal( + ES.IsConcatSpreadable(object), + false, + 'non-array without Symbol.isConcatSpreadable is not concat spreadable' + ); + }); + + t.equal(ES.IsConcatSpreadable([]), true, 'arrays are concat spreadable'); + + t.end(); + }); + + test('Invoke', function (t) { + forEach(v.nonPropertyKeys, function (nonKey) { + t['throws']( + function () { ES.Invoke({}, nonKey); }, + TypeError, + debug(nonKey) + ' is not a Property Key' + ); + }); + + t['throws'](function () { ES.Invoke({ o: false }, 'o'); }, TypeError, 'fails on a non-function'); + + t.test('invoked callback', function (st) { + var aValue = {}; + var bValue = {}; + var obj = { + f: function (a) { + st.equal(arguments.length, 2, '2 args passed'); + st.equal(a, aValue, 'first arg is correct'); + st.equal(arguments[1], bValue, 'second arg is correct'); + } + }; + st.plan(3); + ES.Invoke(obj, 'f', aValue, bValue); + }); + + t.end(); + }); + + test('GetIterator', function (t) { + var arr = [1, 2]; + testIterator(t, ES.GetIterator(arr), arr); + + testIterator(t, ES.GetIterator('abc'), 'abc'.split('')); + + t.test('Symbol.iterator', { skip: !v.hasSymbols }, function (st) { + var m = new Map(); + m.set(1, 'a'); + m.set(2, 'b'); + + testIterator(st, ES.GetIterator(m), [[1, 'a'], [2, 'b']]); + + st.end(); + }); + + t.end(); + }); + + test('IteratorNext', { skip: true }); + + test('IteratorComplete', { skip: true }); + + test('IteratorValue', { skip: true }); + + test('IteratorStep', { skip: true }); + + test('IteratorClose', { skip: true }); + + test('CreateIterResultObject', function (t) { + forEach(v.nonBooleans, function (nonBoolean) { + t['throws']( + function () { ES.CreateIterResultObject({}, nonBoolean); }, + TypeError, + '"done" argument must be a boolean; ' + debug(nonBoolean) + ' is not' + ); + }); + + var value = {}; + t.deepEqual( + ES.CreateIterResultObject(value, true), + { value: value, done: true }, + 'creates a "done" iteration result' + ); + t.deepEqual( + ES.CreateIterResultObject(value, false), + { value: value, done: false }, + 'creates a "not done" iteration result' + ); + + t.end(); + }); + + test('RegExpExec', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.RegExpExec(primitive); }, + TypeError, + '"R" argument must be an object; ' + debug(primitive) + ' is not' + ); + }); + + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.RegExpExec({}, nonString); }, + TypeError, + '"S" argument must be a String; ' + debug(nonString) + ' is not' + ); + }); + + t.test('gets and calls a callable "exec"', function (st) { + var str = '123'; + var o = { + exec: function (S) { + st.equal(this, o, '"exec" receiver is R'); + st.equal(S, str, '"exec" argument is S'); + + return null; + } + }; + st.plan(2); + ES.RegExpExec(o, str); + st.end(); + }); + + t.test('throws if a callable "exec" returns a non-null non-object', function (st) { + var str = '123'; + st.plan(v.nonNullPrimitives.length); + forEach(v.nonNullPrimitives, function (nonNullPrimitive) { + st['throws']( + function () { ES.RegExpExec({ exec: function () { return nonNullPrimitive; } }, str); }, + TypeError, + '"exec" method must return `null` or an Object; ' + debug(nonNullPrimitive) + ' is not' + ); + }); + st.end(); + }); + + t.test('actual regex that should match against a string', function (st) { + var S = 'aabc'; + var R = /a/g; + var match1 = ES.RegExpExec(R, S); + var expected1 = assign(['a'], kludgeMatch(R, { index: 0, input: S })); + var match2 = ES.RegExpExec(R, S); + var expected2 = assign(['a'], kludgeMatch(R, { index: 1, input: S })); + var match3 = ES.RegExpExec(R, S); + st.deepEqual(match1, expected1, 'match object 1 is as expected'); + st.deepEqual(match2, expected2, 'match object 2 is as expected'); + st.equal(match3, null, 'match 3 is null as expected'); + st.end(); + }); + + t.test('actual regex that should match against a string, with shadowed "exec"', function (st) { + var S = 'aabc'; + var R = /a/g; + defineProperty(R, 'exec', { value: undefined }); + var match1 = ES.RegExpExec(R, S); + var expected1 = assign(['a'], kludgeMatch(R, { index: 0, input: S })); + var match2 = ES.RegExpExec(R, S); + var expected2 = assign(['a'], kludgeMatch(R, { index: 1, input: S })); + var match3 = ES.RegExpExec(R, S); + st.deepEqual(match1, expected1, 'match object 1 is as expected'); + st.deepEqual(match2, expected2, 'match object 2 is as expected'); + st.equal(match3, null, 'match 3 is null as expected'); + st.end(); + }); + t.end(); + }); + + test('ArraySpeciesCreate', function (t) { + t.test('errors', function (st) { + var testNonNumber = function (nonNumber) { + st['throws']( + function () { ES.ArraySpeciesCreate([], nonNumber); }, + TypeError, + debug(nonNumber) + ' is not a number' + ); + }; + forEach(v.nonNumbers, testNonNumber); + + st['throws']( + function () { ES.ArraySpeciesCreate([], -1); }, + TypeError, + '-1 is not >= 0' + ); + st['throws']( + function () { ES.ArraySpeciesCreate([], -Infinity); }, + TypeError, + '-Infinity is not >= 0' + ); + + var testNonIntegers = function (nonInteger) { + st['throws']( + function () { ES.ArraySpeciesCreate([], nonInteger); }, + TypeError, + debug(nonInteger) + ' is not an integer' + ); + }; + forEach(v.nonIntegerNumbers, testNonIntegers); + + st.end(); + }); + + t.test('works with a non-array', function (st) { + forEach(v.objects.concat(v.primitives), function (nonArray) { + var arr = ES.ArraySpeciesCreate(nonArray, 0); + st.ok(ES.IsArray(arr), 'is an array'); + st.equal(arr.length, 0, 'length is correct'); + st.equal(arr.constructor, Array, 'constructor is correct'); + }); + + st.end(); + }); + + t.test('works with a normal array', function (st) { + var len = 2; + var orig = [1, 2, 3]; + var arr = ES.ArraySpeciesCreate(orig, len); + + st.ok(ES.IsArray(arr), 'is an array'); + st.equal(arr.length, len, 'length is correct'); + st.equal(arr.constructor, orig.constructor, 'constructor is correct'); + + st.end(); + }); + + t.test('-0 length produces +0 length', function (st) { + var len = -0; + st.ok(is(len, -0), '-0 is negative zero'); + st.notOk(is(len, 0), '-0 is not positive zero'); + + var orig = [1, 2, 3]; + var arr = ES.ArraySpeciesCreate(orig, len); + + st.equal(ES.IsArray(arr), true); + st.ok(is(arr.length, 0)); + st.equal(arr.constructor, orig.constructor); + + st.end(); + }); + + t.test('works with species construtor', { skip: !hasSpecies }, function (st) { + var sentinel = {}; + var Foo = function Foo(len) { + this.length = len; + this.sentinel = sentinel; + }; + var Bar = getArraySubclassWithSpeciesConstructor(Foo); + var bar = new Bar(); + + st.equal(ES.IsArray(bar), true, 'Bar instance is an array'); + + var arr = ES.ArraySpeciesCreate(bar, 3); + st.equal(arr.constructor, Foo, 'result used species constructor'); + st.equal(arr.length, 3, 'length property is correct'); + st.equal(arr.sentinel, sentinel, 'Foo constructor was exercised'); + + st.end(); + }); + + t.test('works with null species constructor', { skip: !hasSpecies }, function (st) { + var Bar = getArraySubclassWithSpeciesConstructor(null); + var bar = new Bar(); + + st.equal(ES.IsArray(bar), true, 'Bar instance is an array'); + + var arr = ES.ArraySpeciesCreate(bar, 3); + st.equal(arr.constructor, Array, 'result used default constructor'); + st.equal(arr.length, 3, 'length property is correct'); + + st.end(); + }); + + t.test('works with undefined species constructor', { skip: !hasSpecies }, function (st) { + var Bar = getArraySubclassWithSpeciesConstructor(); + var bar = new Bar(); + + st.equal(ES.IsArray(bar), true, 'Bar instance is an array'); + + var arr = ES.ArraySpeciesCreate(bar, 3); + st.equal(arr.constructor, Array, 'result used default constructor'); + st.equal(arr.length, 3, 'length property is correct'); + + st.end(); + }); + + t.test('throws with object non-construtor species constructor', { skip: !hasSpecies }, function (st) { + forEach(v.objects, function (obj) { + var Bar = getArraySubclassWithSpeciesConstructor(obj); + var bar = new Bar(); + + st.equal(ES.IsArray(bar), true, 'Bar instance is an array'); + + st['throws']( + function () { ES.ArraySpeciesCreate(bar, 3); }, + TypeError, + debug(obj) + ' is not a constructor' + ); + }); + + st.end(); + }); + + t.end(); + }); + + test('CreateDataProperty', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.CreateDataProperty(primitive); }, + TypeError, + debug(primitive) + ' is not an object' + ); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.CreateDataProperty({}, nonPropertyKey); }, + TypeError, + debug(nonPropertyKey) + ' is not a property key' + ); + }); + + var sentinel = { id: 'sentinel' }; + var secondSentinel = { id: 'second sentinel' }; + forEach(v.propertyKeys, function (propertyKey) { + var obj = {}; + var status = ES.CreateDataProperty(obj, propertyKey, sentinel); + t.equal(status, true, 'status is true'); + t.equal( + obj[propertyKey], + sentinel, + debug(sentinel) + ' is installed on "' + debug(propertyKey) + '" on the object' + ); + var secondStatus = ES.CreateDataProperty(obj, propertyKey, secondSentinel); + t.equal(secondStatus, true, 'second status is true'); + t.equal( + obj[propertyKey], + secondSentinel, + debug(secondSentinel) + ' is installed on "' + debug(propertyKey) + '" on the object' + ); + + t.test('with defineProperty', { skip: !defineProperty.oDP }, function (st) { + var nonWritable = defineProperty({}, propertyKey, { configurable: true, writable: false }); + + var nonWritableStatus = ES.CreateDataProperty(nonWritable, propertyKey, sentinel); + st.equal(nonWritableStatus, false, 'create data property failed'); + st.notEqual( + nonWritable[propertyKey], + sentinel, + debug(sentinel) + ' is not installed on "' + debug(propertyKey) + '" on the object when key is nonwritable' + ); + + var nonConfigurable = defineProperty({}, propertyKey, { configurable: false, writable: true }); + + var nonConfigurableStatus = ES.CreateDataProperty(nonConfigurable, propertyKey, sentinel); + st.equal(nonConfigurableStatus, false, 'create data property failed'); + st.notEqual( + nonConfigurable[propertyKey], + sentinel, + debug(sentinel) + ' is not installed on "' + debug(propertyKey) + '" on the object when key is nonconfigurable' + ); + st.end(); + }); + }); + + t.end(); + }); + + test('CreateDataPropertyOrThrow', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.CreateDataPropertyOrThrow(primitive); }, + TypeError, + debug(primitive) + ' is not an object' + ); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.CreateDataPropertyOrThrow({}, nonPropertyKey); }, + TypeError, + debug(nonPropertyKey) + ' is not a property key' + ); + }); + + var sentinel = {}; + forEach(v.propertyKeys, function (propertyKey) { + var obj = {}; + var status = ES.CreateDataPropertyOrThrow(obj, propertyKey, sentinel); + t.equal(status, true, 'status is true'); + t.equal( + obj[propertyKey], + sentinel, + debug(sentinel) + ' is installed on "' + debug(propertyKey) + '" on the object' + ); + + if (typeof Object.preventExtensions === 'function') { + var notExtensible = {}; + Object.preventExtensions(notExtensible); + + t['throws']( + function () { ES.CreateDataPropertyOrThrow(notExtensible, propertyKey, sentinel); }, + TypeError, + 'can not install ' + debug(propertyKey) + ' on non-extensible object' + ); + t.notEqual( + notExtensible[propertyKey], + sentinel, + debug(sentinel) + ' is not installed on "' + debug(propertyKey) + '" on the object' + ); + } + }); + + t.end(); + }); + + test('ObjectCreate', { skip: skips && skips.ObjectCreate }, function (t) { + forEach(v.nonNullPrimitives, function (value) { + t['throws']( + function () { ES.ObjectCreate(value); }, + TypeError, + debug(value) + ' is not null, or an object' + ); + }); + + t.test('proto arg', function (st) { + var Parent = function Parent() {}; + Parent.prototype.foo = {}; + var child = ES.ObjectCreate(Parent.prototype); + st.equal(child instanceof Parent, true, 'child is instanceof Parent'); + st.equal(child.foo, Parent.prototype.foo, 'child inherits properties from Parent.prototype'); + + st.end(); + }); + + t.test('internal slots arg', function (st) { + st.doesNotThrow(function () { ES.ObjectCreate({}, []); }, 'an empty slot list is valid'); + + st['throws']( + function () { ES.ObjectCreate({}, ['a']); }, + SyntaxError, + 'internal slots are not supported' + ); + + st.end(); + }); + + t.test('null proto', { skip: !Object.create && !$setProto }, function (st) { + st.equal('toString' in {}, true, 'normal objects have toString'); + st.equal('toString' in ES.ObjectCreate(null), false, 'makes a null object'); + + st.end(); + }); + + t.test('null proto when no native Object.create', { skip: Object.create || $setProto }, function (st) { + st['throws']( + function () { ES.ObjectCreate(null); }, + SyntaxError, + 'without a native Object.create, can not create null objects' + ); + + st.end(); + }); + + t.end(); + }); + + test('AdvanceStringIndex', function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.AdvanceStringIndex(nonString); }, + TypeError, + '"S" argument must be a String; ' + debug(nonString) + ' is not' + ); + }); + + var notInts = v.nonNumbers.concat( + v.nonIntegerNumbers, + v.infinities, + [NaN, [], new Date(), Math.pow(2, 53), -1] + ); + forEach(notInts, function (nonInt) { + t['throws']( + function () { ES.AdvanceStringIndex('abc', nonInt); }, + TypeError, + '"index" argument must be an integer, ' + debug(nonInt) + ' is not.' + ); + }); + + forEach(v.nonBooleans, function (nonBoolean) { + t['throws']( + function () { ES.AdvanceStringIndex('abc', 0, nonBoolean); }, + TypeError, + debug(nonBoolean) + ' is not a Boolean' + ); + }); + + var str = 'a' + wholePoo + 'c'; + + t.test('non-unicode mode', function (st) { + for (var i = 0; i < str.length + 2; i += 1) { + st.equal(ES.AdvanceStringIndex(str, i, false), i + 1, i + ' advances to ' + (i + 1)); + } + + st.end(); + }); + + t.test('unicode mode', function (st) { + st.equal(ES.AdvanceStringIndex(str, 0, true), 1, '0 advances to 1'); + st.equal(ES.AdvanceStringIndex(str, 1, true), 3, '1 advances to 3'); + st.equal(ES.AdvanceStringIndex(str, 2, true), 3, '2 advances to 3'); + st.equal(ES.AdvanceStringIndex(str, 3, true), 4, '3 advances to 4'); + st.equal(ES.AdvanceStringIndex(str, 4, true), 5, '4 advances to 5'); + + st.end(); + }); + + t.test('lone surrogates', function (st) { + var halfPoo = 'a' + leadingPoo + 'c'; + + st.equal(ES.AdvanceStringIndex(halfPoo, 0, true), 1, '0 advances to 1'); + st.equal(ES.AdvanceStringIndex(halfPoo, 1, true), 2, '1 advances to 2'); + st.equal(ES.AdvanceStringIndex(halfPoo, 2, true), 3, '2 advances to 3'); + st.equal(ES.AdvanceStringIndex(halfPoo, 3, true), 4, '3 advances to 4'); + + st.end(); + }); + + t.test('surrogate pairs', function (st) { + var lowestPair = String.fromCharCode('0xD800') + String.fromCharCode('0xDC00'); + var highestPair = String.fromCharCode('0xDBFF') + String.fromCharCode('0xDFFF'); + + st.equal(ES.AdvanceStringIndex(lowestPair, 0, true), 2, 'lowest surrogate pair, 0 -> 2'); + st.equal(ES.AdvanceStringIndex(highestPair, 0, true), 2, 'highest surrogate pair, 0 -> 2'); + st.equal(ES.AdvanceStringIndex(wholePoo, 0, true), 2, 'poop, 0 -> 2'); + + st.end(); + }); + + t.end(); + }); + + test('CreateMethodProperty', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.CreateMethodProperty(primitive, 'key'); }, + TypeError, + 'O must be an Object' + ); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.CreateMethodProperty({}, nonPropertyKey); }, + TypeError, + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + t.test('defines correctly', function (st) { + var obj = {}; + var key = 'the key'; + var value = { foo: 'bar' }; + + st.equal(ES.CreateMethodProperty(obj, key, value), true, 'defines property successfully'); + st.test('property descriptor', { skip: !getOwnPropertyDescriptor }, function (s2t) { + s2t.deepEqual( + getOwnPropertyDescriptor(obj, key), + { + configurable: true, + enumerable: false, + value: value, + writable: true + }, + 'sets the correct property descriptor' + ); + + s2t.end(); + }); + st.equal(obj[key], value, 'sets the correct value'); + + st.end(); + }); + + t.test('fails as expected on a frozen object', { skip: !Object.freeze }, function (st) { + var obj = Object.freeze({ foo: 'bar' }); + st['throws']( + function () { ES.CreateMethodProperty(obj, 'foo', { value: 'baz' }); }, + TypeError, + 'nonconfigurable key can not be defined' + ); + + st.end(); + }); + + t.test('fails as expected on a function with a nonconfigurable name', { skip: !functionsHaveNames || functionsHaveConfigurableNames }, function (st) { + st['throws']( + function () { ES.CreateMethodProperty(function () {}, 'name', { value: 'baz' }); }, + TypeError, + 'nonconfigurable function name can not be defined' + ); + st.end(); + }); + + t.end(); + }); + + test('DefinePropertyOrThrow', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.DefinePropertyOrThrow(primitive, 'key', {}); }, + TypeError, + 'O must be an Object' + ); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.DefinePropertyOrThrow({}, nonPropertyKey, {}); }, + TypeError, + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + t.test('defines correctly', function (st) { + var obj = {}; + var key = 'the key'; + var descriptor = { + configurable: true, + enumerable: false, + value: { foo: 'bar' }, + writable: true + }; + + st.equal(ES.DefinePropertyOrThrow(obj, key, descriptor), true, 'defines property successfully'); + st.test('property descriptor', { skip: !getOwnPropertyDescriptor }, function (s2t) { + s2t.deepEqual( + getOwnPropertyDescriptor(obj, key), + descriptor, + 'sets the correct property descriptor' + ); + + s2t.end(); + }); + st.deepEqual(obj[key], descriptor.value, 'sets the correct value'); + + st.end(); + }); + + t.test('fails as expected on a frozen object', { skip: !Object.freeze }, function (st) { + var obj = Object.freeze({ foo: 'bar' }); + st['throws']( + function () { + ES.DefinePropertyOrThrow(obj, 'foo', { configurable: true, value: 'baz' }); + }, + TypeError, + 'nonconfigurable key can not be defined' + ); + + st.end(); + }); + + t.test('fails as expected on a function with a nonconfigurable name', { skip: !functionsHaveNames || functionsHaveConfigurableNames }, function (st) { + st['throws']( + function () { + ES.DefinePropertyOrThrow(function () {}, 'name', { configurable: true, value: 'baz' }); + }, + TypeError, + 'nonconfigurable function name can not be defined' + ); + st.end(); + }); + + t.end(); + }); + + test('DeletePropertyOrThrow', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.DeletePropertyOrThrow(primitive, 'key', {}); }, + TypeError, + 'O must be an Object' + ); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.DeletePropertyOrThrow({}, nonPropertyKey, {}); }, + TypeError, + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + t.test('defines correctly', function (st) { + var obj = { 'the key': 42 }; + var key = 'the key'; + + st.equal(ES.DeletePropertyOrThrow(obj, key), true, 'deletes property successfully'); + st.equal(key in obj, false, 'key is no longer in the object'); + + st.end(); + }); + + t.test('fails as expected on a frozen object', { skip: !Object.freeze }, function (st) { + var obj = Object.freeze({ foo: 'bar' }); + st['throws']( + function () { ES.DeletePropertyOrThrow(obj, 'foo'); }, + TypeError, + 'nonconfigurable key can not be deleted' + ); + + st.end(); + }); + + t.test('fails as expected on a function with a nonconfigurable name', { skip: !functionsHaveNames || functionsHaveConfigurableNames }, function (st) { + st['throws']( + function () { ES.DeletePropertyOrThrow(function () {}, 'name'); }, + TypeError, + 'nonconfigurable function name can not be deleted' + ); + st.end(); + }); + + t.end(); + }); + + test('EnumerableOwnNames', { skip: skips && skips.EnumerableOwnNames }, function (t) { + var obj = testEnumerableOwnNames(t, function (O) { return ES.EnumerableOwnNames(O); }); + + t.deepEqual( + ES.EnumerableOwnNames(obj), + ['own'], + 'returns enumerable own names' + ); + + t.end(); + }); + + test('thisNumberValue', function (t) { + forEach(v.nonNumbers, function (nonNumber) { + t['throws']( + function () { ES.thisNumberValue(nonNumber); }, + TypeError, + debug(nonNumber) + ' is not a Number' + ); + }); + + forEach(v.numbers, function (number) { + t.equal(ES.thisNumberValue(number), number, debug(number) + ' is its own thisNumberValue'); + var obj = Object(number); + t.equal(ES.thisNumberValue(obj), number, debug(obj) + ' is the boxed thisNumberValue'); + }); + + t.end(); + }); + + test('thisBooleanValue', function (t) { + forEach(v.nonBooleans, function (nonBoolean) { + t['throws']( + function () { ES.thisBooleanValue(nonBoolean); }, + TypeError, + debug(nonBoolean) + ' is not a Boolean' + ); + }); + + forEach(v.booleans, function (boolean) { + t.equal(ES.thisBooleanValue(boolean), boolean, debug(boolean) + ' is its own thisBooleanValue'); + var obj = Object(boolean); + t.equal(ES.thisBooleanValue(obj), boolean, debug(obj) + ' is the boxed thisBooleanValue'); + }); + + t.end(); + }); + + test('thisStringValue', function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.thisStringValue(nonString); }, + TypeError, + debug(nonString) + ' is not a String' + ); + }); + + forEach(v.strings, function (string) { + t.equal(ES.thisStringValue(string), string, debug(string) + ' is its own thisStringValue'); + var obj = Object(string); + t.equal(ES.thisStringValue(obj), string, debug(obj) + ' is the boxed thisStringValue'); + }); + + t.end(); + }); + + test('thisTimeValue', function (t) { + forEach(v.primitives.concat(v.objects), function (nonDate) { + t['throws']( + function () { ES.thisTimeValue(nonDate); }, + TypeError, + debug(nonDate) + ' is not a Date' + ); + }); + + forEach(v.timestamps, function (timestamp) { + var date = new Date(timestamp); + + t.equal(ES.thisTimeValue(date), timestamp, debug(date) + ' is its own thisTimeValue'); + }); + + t.end(); + }); + + test('SetIntegrityLevel', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.SetIntegrityLevel(primitive); }, + TypeError, + debug(primitive) + ' is not an Object' + ); + }); + + t['throws']( + function () { ES.SetIntegrityLevel({}); }, + /^TypeError: Assertion failed: `level` must be `"sealed"` or `"frozen"`$/, + '`level` must be `"sealed"` or `"frozen"`' + ); + + var O = { a: 1 }; + t.test('sealed', { skip: !Object.preventExtensions || noThrowOnStrictViolation }, function (st) { + st.equal(ES.SetIntegrityLevel(O, 'sealed'), true); + st['throws']( + function () { O.b = 2; }, + /^TypeError: (Cannot|Can't) add property b, object is not extensible$/, + 'sealing prevent new properties from being added' + ); + O.a = 2; + st.equal(O.a, 2, 'pre-frozen, existing properties are mutable'); + st.end(); + }); + + t.test('frozen', { skip: !Object.freeze || noThrowOnStrictViolation }, function (st) { + st.equal(ES.SetIntegrityLevel(O, 'frozen'), true); + st['throws']( + function () { O.a = 3; }, + /^TypeError: Cannot assign to read only property 'a' of /, + 'freezing prevents existing properties from being mutated' + ); + st.end(); + }); + + t.end(); + }); + + test('TestIntegrityLevel', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.TestIntegrityLevel(primitive); }, + TypeError, + debug(primitive) + ' is not an Object' + ); + }); + + t['throws']( + function () { ES.TestIntegrityLevel({ a: 1 }); }, + /^TypeError: Assertion failed: `level` must be `"sealed"` or `"frozen"`$/, + '`level` must be `"sealed"` or `"frozen"`' + ); + + t.equal(ES.TestIntegrityLevel({ a: 1 }, 'sealed'), false, 'basic object is not sealed'); + t.equal(ES.TestIntegrityLevel({ a: 1 }, 'frozen'), false, 'basic object is not frozen'); + + t.test('preventExtensions', { skip: !Object.preventExtensions }, function (st) { + var o = Object.preventExtensions({ a: 1 }); + st.equal(ES.TestIntegrityLevel(o, 'sealed'), false, 'nonextensible object is not sealed'); + st.equal(ES.TestIntegrityLevel(o, 'frozen'), false, 'nonextensible object is not frozen'); + + var empty = Object.preventExtensions({}); + st.equal(ES.TestIntegrityLevel(empty, 'sealed'), true, 'empty nonextensible object is sealed'); + st.equal(ES.TestIntegrityLevel(empty, 'frozen'), true, 'empty nonextensible object is frozen'); + st.end(); + }); + + t.test('seal', { skip: !Object.seal }, function (st) { + var o = Object.seal({ a: 1 }); + st.equal(ES.TestIntegrityLevel(o, 'sealed'), true, 'sealed object is sealed'); + st.equal(ES.TestIntegrityLevel(o, 'frozen'), false, 'sealed object is not frozen'); + + var empty = Object.seal({}); + st.equal(ES.TestIntegrityLevel(empty, 'sealed'), true, 'empty sealed object is sealed'); + st.equal(ES.TestIntegrityLevel(empty, 'frozen'), true, 'empty sealed object is frozen'); + + st.end(); + }); + + t.test('freeze', { skip: !Object.freeze }, function (st) { + var o = Object.freeze({ a: 1 }); + st.equal(ES.TestIntegrityLevel(o, 'sealed'), true, 'frozen object is sealed'); + st.equal(ES.TestIntegrityLevel(o, 'frozen'), true, 'frozen object is frozen'); + + var empty = Object.freeze({}); + st.equal(ES.TestIntegrityLevel(empty, 'sealed'), true, 'empty frozen object is sealed'); + st.equal(ES.TestIntegrityLevel(empty, 'frozen'), true, 'empty frozen object is frozen'); + + st.end(); + }); + + t.end(); + }); + + test('OrdinaryHasInstance', function (t) { + forEach(v.nonFunctions, function (nonFunction) { + t.equal(ES.OrdinaryHasInstance(nonFunction, {}), false, debug(nonFunction) + ' is not callable'); + }); + + forEach(v.primitives, function (primitive) { + t.equal(ES.OrdinaryHasInstance(function () {}, primitive), false, debug(primitive) + ' is not an object'); + }); + + var C = function C() {}; + var D = function D() {}; + t.equal(ES.OrdinaryHasInstance(C, new C()), true, 'constructor function has an instance of itself'); + t.equal(ES.OrdinaryHasInstance(C, new D()), false, 'constructor/instance mismatch is false'); + t.equal(ES.OrdinaryHasInstance(D, new C()), false, 'instance/constructor mismatch is false'); + t.equal(ES.OrdinaryHasInstance(C, {}), false, 'plain object is not an instance of a constructor'); + t.equal(ES.OrdinaryHasInstance(Object, {}), true, 'plain object is an instance of Object'); + + t.end(); + }); + + test('OrdinaryHasProperty', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.OrdinaryHasProperty(primitive, ''); }, + TypeError, + debug(primitive) + ' is not an object' + ); + }); + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.OrdinaryHasProperty({}, nonPropertyKey); }, + TypeError, + 'P: ' + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + t.equal(ES.OrdinaryHasProperty({ a: 1 }, 'a'), true, 'own property is true'); + t.equal(ES.OrdinaryHasProperty({}, 'toString'), true, 'inherited property is true'); + t.equal(ES.OrdinaryHasProperty({}, 'nope'), false, 'absent property is false'); + + t.end(); + }); + + test('InstanceofOperator', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.InstanceofOperator(primitive, function () {}); }, + TypeError, + debug(primitive) + ' is not an object' + ); + }); + + forEach(v.nonFunctions, function (nonFunction) { + t['throws']( + function () { ES.InstanceofOperator({}, nonFunction); }, + TypeError, + debug(nonFunction) + ' is not callable' + ); + }); + + var C = function C() {}; + var D = function D() {}; + + t.equal(ES.InstanceofOperator(new C(), C), true, 'constructor function has an instance of itself'); + t.equal(ES.InstanceofOperator(new D(), C), false, 'constructor/instance mismatch is false'); + t.equal(ES.InstanceofOperator(new C(), D), false, 'instance/constructor mismatch is false'); + t.equal(ES.InstanceofOperator({}, C), false, 'plain object is not an instance of a constructor'); + t.equal(ES.InstanceofOperator({}, Object), true, 'plain object is an instance of Object'); + + t.test('Symbol.hasInstance', { skip: !v.hasSymbols || !Symbol.hasInstance }, function (st) { + st.plan(4); + + var O = {}; + var C2 = function () {}; + st.equal(ES.InstanceofOperator(O, C2), false, 'O is not an instance of C2'); + + defineProperty(C2, Symbol.hasInstance, { + value: function (obj) { + st.equal(this, C2, 'hasInstance receiver is C2'); + st.equal(obj, O, 'hasInstance argument is O'); + + return {}; // testing coercion to boolean + } + }); + + st.equal(ES.InstanceofOperator(O, C2), true, 'O is now an instance of C2'); + + st.end(); + }); + + t.end(); + }); + + test('Abstract Equality Comparison', function (t) { + t.test('same types use ===', function (st) { + forEach(v.primitives.concat(v.objects), function (value) { + st.equal(ES['Abstract Equality Comparison'](value, value), value === value, debug(value) + ' is abstractly equal to itself'); + }); + st.end(); + }); + + t.test('different types coerce', function (st) { + var pairs = [ + [null, undefined], + [3, '3'], + [true, '3'], + [true, 3], + [false, 0], + [false, '0'], + [3, [3]], + ['3', [3]], + [true, [1]], + [false, [0]], + [String(v.coercibleObject), v.coercibleObject], + [Number(String(v.coercibleObject)), v.coercibleObject], + [Number(v.coercibleObject), v.coercibleObject], + [String(Number(v.coercibleObject)), v.coercibleObject] + ]; + forEach(pairs, function (pair) { + var a = pair[0]; + var b = pair[1]; + // eslint-disable-next-line eqeqeq + st.equal(ES['Abstract Equality Comparison'](a, b), a == b, debug(a) + ' == ' + debug(b)); + // eslint-disable-next-line eqeqeq + st.equal(ES['Abstract Equality Comparison'](b, a), b == a, debug(b) + ' == ' + debug(a)); + }); + st.end(); + }); + + t.end(); + }); + + test('Strict Equality Comparison', function (t) { + t.test('same types use ===', function (st) { + forEach(v.primitives.concat(v.objects), function (value) { + st.equal(ES['Strict Equality Comparison'](value, value), value === value, debug(value) + ' is strictly equal to itself'); + }); + st.end(); + }); + + t.test('different types are not ===', function (st) { + var pairs = [ + [null, undefined], + [3, '3'], + [true, '3'], + [true, 3], + [false, 0], + [false, '0'], + [3, [3]], + ['3', [3]], + [true, [1]], + [false, [0]], + [String(v.coercibleObject), v.coercibleObject], + [Number(String(v.coercibleObject)), v.coercibleObject], + [Number(v.coercibleObject), v.coercibleObject], + [String(Number(v.coercibleObject)), v.coercibleObject] + ]; + forEach(pairs, function (pair) { + var a = pair[0]; + var b = pair[1]; + st.equal(ES['Strict Equality Comparison'](a, b), a === b, debug(a) + ' === ' + debug(b)); + st.equal(ES['Strict Equality Comparison'](b, a), b === a, debug(b) + ' === ' + debug(a)); + }); + st.end(); + }); + + t.end(); + }); + + test('Abstract Relational Comparison', function (t) { + t.test('at least one operand is NaN', function (st) { + st.equal(ES['Abstract Relational Comparison'](NaN, {}, true), undefined, 'LeftFirst: first is NaN, returns undefined'); + st.equal(ES['Abstract Relational Comparison']({}, NaN, true), undefined, 'LeftFirst: second is NaN, returns undefined'); + st.equal(ES['Abstract Relational Comparison'](NaN, {}, false), undefined, '!LeftFirst: first is NaN, returns undefined'); + st.equal(ES['Abstract Relational Comparison']({}, NaN, false), undefined, '!LeftFirst: second is NaN, returns undefined'); + st.end(); + }); + + t.equal(ES['Abstract Relational Comparison'](3, 4, true), true, 'LeftFirst: 3 is less than 4'); + t.equal(ES['Abstract Relational Comparison'](4, 3, true), false, 'LeftFirst: 3 is not less than 4'); + t.equal(ES['Abstract Relational Comparison'](3, 4, false), true, '!LeftFirst: 3 is less than 4'); + t.equal(ES['Abstract Relational Comparison'](4, 3, false), false, '!LeftFirst: 3 is not less than 4'); + + t.equal(ES['Abstract Relational Comparison']('3', '4', true), true, 'LeftFirst: "3" is less than "4"'); + t.equal(ES['Abstract Relational Comparison']('4', '3', true), false, 'LeftFirst: "3" is not less than "4"'); + t.equal(ES['Abstract Relational Comparison']('3', '4', false), true, '!LeftFirst: "3" is less than "4"'); + t.equal(ES['Abstract Relational Comparison']('4', '3', false), false, '!LeftFirst: "3" is not less than "4"'); + + t.equal(ES['Abstract Relational Comparison'](v.coercibleObject, 42, true), true, 'LeftFirst: coercible object is less than 42'); + t.equal(ES['Abstract Relational Comparison'](42, v.coercibleObject, true), false, 'LeftFirst: 42 is not less than coercible object'); + t.equal(ES['Abstract Relational Comparison'](v.coercibleObject, 42, false), true, '!LeftFirst: coercible object is less than 42'); + t.equal(ES['Abstract Relational Comparison'](42, v.coercibleObject, false), false, '!LeftFirst: 42 is not less than coercible object'); + + t.equal(ES['Abstract Relational Comparison'](v.coercibleObject, '3', true), false, 'LeftFirst: coercible object is not less than "3"'); + t.equal(ES['Abstract Relational Comparison']('3', v.coercibleObject, true), false, 'LeftFirst: "3" is not less than coercible object'); + t.equal(ES['Abstract Relational Comparison'](v.coercibleObject, '3', false), false, '!LeftFirst: coercible object is not less than "3"'); + t.equal(ES['Abstract Relational Comparison']('3', v.coercibleObject, false), false, '!LeftFirst: "3" is not less than coercible object'); + + t.end(); + }); + + test('ValidateAndApplyPropertyDescriptor', function (t) { + forEach(v.nonUndefinedPrimitives, function (nonUndefinedPrimitive) { + t['throws']( + function () { ES.ValidateAndApplyPropertyDescriptor(nonUndefinedPrimitive, '', false, v.genericDescriptor(), v.genericDescriptor()); }, + TypeError, + 'O: ' + debug(nonUndefinedPrimitive) + ' is not undefined or an Object' + ); + }); + + forEach(v.nonBooleans, function (nonBoolean) { + t['throws']( + function () { + return ES.ValidateAndApplyPropertyDescriptor( + undefined, + null, + nonBoolean, + v.genericDescriptor(), + v.genericDescriptor() + ); + }, + TypeError, + 'extensible: ' + debug(nonBoolean) + ' is not a Boolean' + ); + }); + + forEach(v.primitives, function (primitive) { + // Desc must be a Property Descriptor + t['throws']( + function () { + return ES.ValidateAndApplyPropertyDescriptor( + undefined, + null, + false, + primitive, + v.genericDescriptor() + ); + }, + TypeError, + 'Desc: ' + debug(primitive) + ' is not a Property Descriptor' + ); + }); + + forEach(v.nonUndefinedPrimitives, function (primitive) { + // current must be undefined or a Property Descriptor + t['throws']( + function () { + return ES.ValidateAndApplyPropertyDescriptor( + undefined, + null, + false, + v.genericDescriptor(), + primitive + ); + }, + TypeError, + 'current: ' + debug(primitive) + ' is not a Property Descriptor or undefined' + ); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + // if O is an object, P must be a property key + t['throws']( + function () { + return ES.ValidateAndApplyPropertyDescriptor( + {}, + nonPropertyKey, + false, + v.genericDescriptor(), + v.genericDescriptor() + ); + }, + TypeError, + 'P: ' + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + t.test('current is undefined', function (st) { + var propertyKey = 'howdy'; + + st.test('generic descriptor', function (s2t) { + var generic = v.genericDescriptor(); + generic['[[Enumerable]]'] = true; + var O = {}; + ES.ValidateAndApplyPropertyDescriptor(undefined, propertyKey, true, generic); + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, false, generic), + false, + 'when extensible is false, nothing happens' + ); + s2t.deepEqual(O, {}, 'no changes applied when O is undefined or extensible is false'); + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, true, generic), + true, + 'operation is successful' + ); + var expected = {}; + expected[propertyKey] = undefined; + s2t.deepEqual(O, expected, 'generic descriptor has been defined as an own data property'); + s2t.end(); + }); + + st.test('data descriptor', function (s2t) { + var data = v.dataDescriptor(); + data['[[Enumerable]]'] = true; + + var O = {}; + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(undefined, propertyKey, true, data), + true, + 'noop when O is undefined' + ); + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, false, data), + false, + 'when extensible is false, nothing happens' + ); + s2t.deepEqual(O, {}, 'no changes applied when O is undefined or extensible is false'); + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, true, data), + true, + 'operation is successful' + ); + var expected = {}; + expected[propertyKey] = data['[[Value]]']; + s2t.deepEqual(O, expected, 'data descriptor has been defined as an own data property'); + s2t.end(); + }); + + st.test('accessor descriptor', { skip: !defineProperty.oDP }, function (s2t) { + var count = 0; + var accessor = v.accessorDescriptor(); + accessor['[[Enumerable]]'] = true; + accessor['[[Get]]'] = function () { + count += 1; + return count; + }; + + var O = {}; + ES.ValidateAndApplyPropertyDescriptor(undefined, propertyKey, true, accessor); + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, false, accessor), + false, + 'when extensible is false, nothing happens' + ); + s2t.deepEqual(O, {}, 'no changes applied when O is undefined or extensible is false'); + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, true, accessor), + true, + 'operation is successful' + ); + var expected = {}; + expected[propertyKey] = accessor['[[Get]]']() + 1; + s2t.deepEqual(O, expected, 'accessor descriptor has been defined as an own accessor property'); + s2t.end(); + }); + + st.end(); + }); + + t.test('every field in Desc is absent', { skip: 'it is unclear if having no fields qualifies Desc to be a Property Descriptor' }); + + forEach([v.dataDescriptor, v.accessorDescriptor, v.mutatorDescriptor], function (getDescriptor) { + t.equal( + ES.ValidateAndApplyPropertyDescriptor(undefined, 'property key', true, getDescriptor(), getDescriptor()), + true, + 'when Desc and current are the same, early return true' + ); + }); + + t.test('current is nonconfigurable', function (st) { + // note: these must not be generic descriptors, or else the algorithm returns an early true + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.configurable(v.dataDescriptor()), + v.descriptors.nonConfigurable(v.dataDescriptor()) + ), + false, + 'false if Desc is configurable' + ); + + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.enumerable(v.dataDescriptor()), + v.descriptors.nonEnumerable(v.dataDescriptor()) + ), + false, + 'false if Desc is Enumerable and current is not' + ); + + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.nonEnumerable(v.dataDescriptor()), + v.descriptors.enumerable(v.dataDescriptor()) + ), + false, + 'false if Desc is not Enumerable and current is' + ); + + var descLackingEnumerable = v.accessorDescriptor(); + delete descLackingEnumerable['[[Enumerable]]']; + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + descLackingEnumerable, + v.descriptors.enumerable(v.accessorDescriptor()) + ), + true, + 'not false if Desc lacks Enumerable' + ); + + st.end(); + }); + + t.test('Desc and current: one is a data descriptor, one is not', { skip: !defineProperty || !getOwnPropertyDescriptor }, function (st) { + // note: Desc must be configurable if current is nonconfigurable, to hit this branch + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.configurable(v.accessorDescriptor()), + v.descriptors.nonConfigurable(v.dataDescriptor()) + ), + false, + 'false if current (data) is nonconfigurable' + ); + + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.configurable(v.dataDescriptor()), + v.descriptors.nonConfigurable(v.accessorDescriptor()) + ), + false, + 'false if current (not data) is nonconfigurable' + ); + + // one is data and one is not, + // // if current is data, convert to accessor + // // else convert to data + + var startsWithData = { + 'property key': 42 + }; + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + startsWithData, + 'property key', + true, + v.descriptors.enumerable(v.descriptors.configurable(v.accessorDescriptor())), + v.descriptors.enumerable(v.descriptors.configurable(v.dataDescriptor())) + ), + true, + 'operation is successful: current is data, Desc is accessor' + ); + var shouldBeAccessor = getOwnPropertyDescriptor(startsWithData, 'property key'); + st.equal(typeof shouldBeAccessor.get, 'function', 'has a getter'); + + var key = 'property key'; + var startsWithAccessor = {}; + defineProperty(startsWithAccessor, key, { + configurable: true, + enumerable: true, + get: function get() { return 42; } + }); + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + startsWithAccessor, + key, + true, + v.descriptors.enumerable(v.descriptors.configurable(v.dataDescriptor())), + v.descriptors.enumerable(v.descriptors.configurable(v.accessorDescriptor(42))) + ), + true, + 'operation is successful: current is accessor, Desc is data' + ); + var shouldBeData = getOwnPropertyDescriptor(startsWithAccessor, 'property key'); + st.deepEqual(shouldBeData, { configurable: true, enumerable: true, value: 42, writable: false }, 'is a data property'); + + st.end(); + }); + + t.test('Desc and current are both data descriptors', function (st) { + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.writable(v.dataDescriptor()), + v.descriptors.nonWritable(v.descriptors.nonConfigurable(v.dataDescriptor())) + ), + false, + 'false if frozen current and writable Desc' + ); + + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.configurable({ '[[Value]]': 42 }), + v.descriptors.nonWritable({ '[[Value]]': 7 }) + ), + false, + 'false if nonwritable current has a different value than Desc' + ); + + st.end(); + }); + + t.test('current is nonconfigurable; Desc and current are both accessor descriptors', function (st) { + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.mutatorDescriptor(), + v.descriptors.nonConfigurable(v.mutatorDescriptor()) + ), + false, + 'false if both Sets are not equal' + ); + + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.accessorDescriptor(), + v.descriptors.nonConfigurable(v.accessorDescriptor()) + ), + false, + 'false if both Gets are not equal' + ); + + st.end(); + }); + + t.end(); + }); + + test('OrdinaryGetOwnProperty', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.OrdinaryGetOwnProperty(primitive, ''); }, + TypeError, + 'O: ' + debug(primitive) + ' is not an Object' + ); + }); + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.OrdinaryGetOwnProperty({}, nonPropertyKey); }, + TypeError, + 'P: ' + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + t.equal(ES.OrdinaryGetOwnProperty({}, 'not in the object'), undefined, 'missing property yields undefined'); + t.equal(ES.OrdinaryGetOwnProperty({}, 'toString'), undefined, 'inherited non-own property yields undefined'); + + t.deepEqual( + ES.OrdinaryGetOwnProperty({ a: 1 }, 'a'), + ES.ToPropertyDescriptor({ + configurable: true, + enumerable: true, + value: 1, + writable: true + }), + 'own assigned data property yields expected descriptor' + ); + + t.deepEqual( + ES.OrdinaryGetOwnProperty(/a/, 'lastIndex'), + ES.ToPropertyDescriptor({ + configurable: false, + enumerable: false, + value: 0, + writable: true + }), + 'regex lastIndex yields expected descriptor' + ); + + t.deepEqual( + ES.OrdinaryGetOwnProperty([], 'length'), + ES.ToPropertyDescriptor({ + configurable: false, + enumerable: false, + value: 0, + writable: true + }), + 'array length yields expected descriptor' + ); + + if (!Object.isFrozen || !Object.isFrozen(Object.prototype)) { + t.deepEqual( + ES.OrdinaryGetOwnProperty(Object.prototype, 'toString'), + ES.ToPropertyDescriptor({ + configurable: true, + enumerable: false, + value: Object.prototype.toString, + writable: true + }), + 'own non-enumerable data property yields expected descriptor' + ); + } + + t.test('ES5+', { skip: !defineProperty.oDP }, function (st) { + var O = {}; + defineProperty(O, 'foo', { + configurable: false, + enumerable: false, + value: O, + writable: true + }); + + st.deepEqual( + ES.OrdinaryGetOwnProperty(O, 'foo'), + ES.ToPropertyDescriptor({ + configurable: false, + enumerable: false, + value: O, + writable: true + }), + 'defined own property yields expected descriptor' + ); + + st.end(); + }); + + t.end(); + }); + + test('OrdinaryDefineOwnProperty', { skip: !getOwnPropertyDescriptor }, function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.CopyDataProperties(primitive, {}, []); }, + TypeError, + 'O: ' + debug(primitive) + ' is not an Object' + ); + }); + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.OrdinaryDefineOwnProperty({}, nonPropertyKey, v.genericDescriptor()); }, + TypeError, + 'P: ' + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.OrdinaryDefineOwnProperty(primitive, '', v.genericDescriptor()); }, + TypeError, + 'Desc: ' + debug(primitive) + ' is not a Property Descriptor' + ); + }); + + var O = {}; + var P = 'property key'; + var Desc = v.accessorDescriptor(); + t.equal( + ES.OrdinaryDefineOwnProperty(O, P, Desc), + true, + 'operation is successful' + ); + t.deepEqual( + getOwnPropertyDescriptor(O, P), + ES.FromPropertyDescriptor(ES.CompletePropertyDescriptor(Desc)), + 'expected property descriptor is defined' + ); + + t.end(); + }); + + test('ArrayCreate', function (t) { + forEach(v.nonIntegerNumbers.concat([-1]), function (nonIntegerNumber) { + t['throws']( + function () { ES.ArrayCreate(nonIntegerNumber); }, + TypeError, + 'length must be an integer number >= 0' + ); + }); + + t['throws']( + function () { ES.ArrayCreate(Math.pow(2, 32)); }, + RangeError, + 'length must be < 2**32' + ); + + t.deepEqual(ES.ArrayCreate(-0), [], 'length of -0 creates an empty array'); + t.deepEqual(ES.ArrayCreate(0), [], 'length of +0 creates an empty array'); + // eslint-disable-next-line no-sparse-arrays, comma-spacing + t.deepEqual(ES.ArrayCreate(1), [,], 'length of 1 creates a sparse array of length 1'); + // eslint-disable-next-line no-sparse-arrays, comma-spacing + t.deepEqual(ES.ArrayCreate(2), [,,], 'length of 2 creates a sparse array of length 2'); + + t.test('proto argument', { skip: !$setProto }, function (st) { + var fakeProto = { + push: { toString: function () { return 'not array push'; } } + }; + st.equal(ES.ArrayCreate(0, fakeProto).push, fakeProto.push, 'passing the proto argument works'); + st.end(); + }); + + t.end(); + }); + + test('ArraySetLength', function (t) { + forEach(v.primitives.concat(v.objects), function (nonArray) { + t['throws']( + function () { ES.ArraySetLength(nonArray, 0); }, + TypeError, + 'A: ' + debug(nonArray) + ' is not an Array' + ); + }); + + forEach(v.nonUndefinedPrimitives, function (primitive) { + t['throws']( + function () { ES.ArraySetLength([], primitive); }, + TypeError, + 'Desc: ' + debug(primitive) + ' is not a Property Descriptor' + ); + }); + + t.test('making length nonwritable', { skip: !getOwnPropertyDescriptor }, function (st) { + var a = []; + ES.ArraySetLength(a, { '[[Writable]]': false }); + st.deepEqual( + getOwnPropertyDescriptor(a, 'length'), + { + configurable: false, + enumerable: false, + value: 0, + writable: false + }, + 'without a value, length becomes nonwritable' + ); + st.end(); + }); + + var arr = []; + ES.ArraySetLength(arr, { '[[Value]]': 7 }); + t.equal(arr.length, 7, 'array now has a length of 7'); + + t.end(); + }); + + test('CreateHTML', function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.CreateHTML('', nonString, '', ''); }, + TypeError, + 'tag: ' + debug(nonString) + ' is not a String' + ); + t['throws']( + function () { ES.CreateHTML('', '', nonString, ''); }, + TypeError, + 'attribute: ' + debug(nonString) + ' is not a String' + ); + }); + + t.equal( + ES.CreateHTML( + { toString: function () { return 'the string'; } }, + 'some HTML tag!', + '' + ), + '<some HTML tag!>the string</some HTML tag!>', + 'works with an empty string attribute value' + ); + + t.equal( + ES.CreateHTML( + { toString: function () { return 'the string'; } }, + 'some HTML tag!', + 'attr', + 'value "with quotes"' + ), + '<some HTML tag! attr="value "with quotes"">the string</some HTML tag!>', + 'works with an attribute, and a value with quotes' + ); + + t.end(); + }); + + test('GetOwnPropertyKeys', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.GetOwnPropertyKeys(primitive, 'String'); }, + TypeError, + 'O: ' + debug(primitive) + ' is not an Object' + ); + }); + + t['throws']( + function () { ES.GetOwnPropertyKeys({}, 'not string or symbol'); }, + TypeError, + 'Type: must be "String" or "Symbol"' + ); + + t.test('Symbols', { skip: !v.hasSymbols }, function (st) { + var O = { a: 1 }; + O[Symbol.iterator] = true; + var s = Symbol('test'); + defineProperty(O, s, { enumerable: false, value: true }); + + st.deepEqual( + ES.GetOwnPropertyKeys(O, 'Symbol'), + [Symbol.iterator, s], + 'works with Symbols, enumerable or not' + ); + + st.end(); + }); + + t.test('non-enumerable names', { skip: !defineProperty.oDP }, function (st) { + var O = { a: 1 }; + defineProperty(O, 'b', { enumerable: false, value: 2 }); + if (v.hasSymbols) { + O[Symbol.iterator] = true; + } + + st.deepEqual( + ES.GetOwnPropertyKeys(O, 'String').sort(), + ['a', 'b'].sort(), + 'works with Strings, enumerable or not' + ); + + st.end(); + }); + + t.deepEqual( + ES.GetOwnPropertyKeys({ a: 1, b: 2 }, 'String').sort(), + ['a', 'b'].sort(), + 'works with enumerable keys' + ); + + t.end(); + }); + + test('SymbolDescriptiveString', function (t) { + forEach(v.nonSymbolPrimitives.concat(v.objects), function (nonSymbol) { + t['throws']( + function () { ES.SymbolDescriptiveString(nonSymbol); }, + TypeError, + debug(nonSymbol) + ' is not a Symbol' + ); + }); + + t.test('Symbols', { skip: !v.hasSymbols }, function (st) { + st.equal(ES.SymbolDescriptiveString(Symbol()), 'Symbol()', 'undefined description'); + st.equal(ES.SymbolDescriptiveString(Symbol('')), 'Symbol()', 'empty string description'); + st.equal(ES.SymbolDescriptiveString(Symbol.iterator), 'Symbol(Symbol.iterator)', 'well-known symbol'); + st.equal(ES.SymbolDescriptiveString(Symbol('foo')), 'Symbol(foo)', 'string description'); + + st.end(); + }); + + t.end(); + }); + + test('GetSubstitution', { skip: skips && skips.GetSubstitution }, function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.GetSubstitution(nonString, '', 0, [], ''); }, + TypeError, + '`matched`: ' + debug(nonString) + ' is not a String' + ); + + t['throws']( + function () { ES.GetSubstitution('', nonString, 0, [], ''); }, + TypeError, + '`str`: ' + debug(nonString) + ' is not a String' + ); + + t['throws']( + function () { ES.GetSubstitution('', '', 0, [], nonString); }, + TypeError, + '`replacement`: ' + debug(nonString) + ' is not a String' + ); + + if (canDistinguishSparseFromUndefined || typeof nonString !== 'undefined') { + t['throws']( + function () { ES.GetSubstitution('', '', 0, [nonString], ''); }, + TypeError, + '`captures`: ' + debug([nonString]) + ' is not an Array of strings' + ); + } + }); + + forEach(v.nonIntegerNumbers.concat([-1, -42, -Infinity]), function (nonNonNegativeInteger) { + t['throws']( + function () { ES.GetSubstitution('', '', nonNonNegativeInteger, [], ''); }, + TypeError, + '`position`: ' + debug(nonNonNegativeInteger) + ' is not a non-negative integer' + ); + }); + + forEach(v.nonArrays, function (nonArray) { + t['throws']( + function () { ES.GetSubstitution('', '', 0, nonArray, ''); }, + TypeError, + '`captures`: ' + debug(nonArray) + ' is not an Array' + ); + }); + + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 3, [], '123'), + '123', + 'returns the substitution' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '$$2$'), + '$2$', + 'supports $$, and trailing $' + ); + + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$&<'), + '>abcdef<', + 'supports $&' + ); + + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$`<'), + '><', + 'supports $` at position 0' + ); + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 3, [], '>$`<'), + '>ab<', + 'supports $` at position > 0' + ); + + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 7, [], ">$'<"), + '><', + "supports $' at a position where there's less than `matched.length` chars left" + ); + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 3, [], ">$'<"), + '>ghi<', + "supports $' at a position where there's more than `matched.length` chars left" + ); + + for (var i = 0; i < 100; i += 1) { + var captures = []; + captures[i] = 'test'; + if (i > 0) { + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$' + i + '<'), + '>undefined<', + 'supports $' + i + ' with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$' + i), + '>undefined', + 'supports $' + i + ' at the end of the replacement, with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, '>$' + i + '<'), + '><', + 'supports $' + i + ' with a capture at that index' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, '>$' + i), + '>', + 'supports $' + i + ' at the end of the replacement, with a capture at that index' + ); + } + if (i < 10) { + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$0' + i + '<'), + i === 0 ? '><' : '>undefined<', + 'supports $0' + i + ' with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$0' + i), + i === 0 ? '>' : '>undefined', + 'supports $0' + i + ' at the end of the replacement, with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, '>$0' + i + '<'), + '><', + 'supports $0' + i + ' with a capture at that index' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, '>$0' + i), + '>', + 'supports $0' + i + ' at the end of the replacement, with a capture at that index' + ); + } + } + + t.end(); + }); + + test('SecFromTime', function (t) { + var now = new Date(); + t.equal(ES.SecFromTime(now.getTime()), now.getUTCSeconds(), 'second from Date timestamp matches getUTCSeconds'); + t.end(); + }); + + test('MinFromTime', function (t) { + var now = new Date(); + t.equal(ES.MinFromTime(now.getTime()), now.getUTCMinutes(), 'minute from Date timestamp matches getUTCMinutes'); + t.end(); + }); + + test('HourFromTime', function (t) { + var now = new Date(); + t.equal(ES.HourFromTime(now.getTime()), now.getUTCHours(), 'hour from Date timestamp matches getUTCHours'); + t.end(); + }); + + test('msFromTime', function (t) { + var now = new Date(); + t.equal(ES.msFromTime(now.getTime()), now.getUTCMilliseconds(), 'ms from Date timestamp matches getUTCMilliseconds'); + t.end(); + }); + + var msPerSecond = 1e3; + var msPerMinute = 60 * msPerSecond; + var msPerHour = 60 * msPerMinute; + var msPerDay = 24 * msPerHour; + + test('Day', function (t) { + var time = Date.UTC(2019, 8, 10, 2, 3, 4, 5); + var add = 2.5; + var later = new Date(time + (add * msPerDay)); + + t.equal(ES.Day(later.getTime()), ES.Day(time) + Math.floor(add), 'adding 2.5 days worth of ms, gives a Day delta of 2'); + t.end(); + }); + + test('TimeWithinDay', function (t) { + var time = Date.UTC(2019, 8, 10, 2, 3, 4, 5); + var add = 2.5; + var later = new Date(time + (add * msPerDay)); + + t.equal(ES.TimeWithinDay(later.getTime()), ES.TimeWithinDay(time) + (0.5 * msPerDay), 'adding 2.5 days worth of ms, gives a TimeWithinDay delta of +0.5'); + t.end(); + }); + + test('DayFromYear', function (t) { + t.equal(ES.DayFromYear(2021) - ES.DayFromYear(2020), 366, '2021 is a leap year, has 366 days'); + t.equal(ES.DayFromYear(2020) - ES.DayFromYear(2019), 365, '2020 is not a leap year, has 365 days'); + t.equal(ES.DayFromYear(2019) - ES.DayFromYear(2018), 365, '2019 is not a leap year, has 365 days'); + t.equal(ES.DayFromYear(2018) - ES.DayFromYear(2017), 365, '2018 is not a leap year, has 365 days'); + t.equal(ES.DayFromYear(2017) - ES.DayFromYear(2016), 366, '2017 is a leap year, has 366 days'); + + t.end(); + }); + + test('TimeFromYear', function (t) { + for (var i = 1900; i < 2100; i += 1) { + t.equal(ES.TimeFromYear(i), Date.UTC(i, 0, 1), 'TimeFromYear matches a Date object’s year: ' + i); + } + t.end(); + }); + + test('YearFromTime', function (t) { + for (var i = 1900; i < 2100; i += 1) { + t.equal(ES.YearFromTime(Date.UTC(i, 0, 1)), i, 'YearFromTime matches a Date object’s year on 1/1: ' + i); + t.equal(ES.YearFromTime(Date.UTC(i, 10, 1)), i, 'YearFromTime matches a Date object’s year on 10/1: ' + i); + } + t.end(); + }); + + test('WeekDay', function (t) { + var now = new Date(); + var today = now.getUTCDay(); + for (var i = 0; i < 7; i += 1) { + var weekDay = ES.WeekDay(now.getTime() + (i * msPerDay)); + t.equal(weekDay, (today + i) % 7, i + ' days after today (' + today + '), WeekDay is ' + weekDay); + } + t.end(); + }); + + test('DaysInYear', function (t) { + t.equal(ES.DaysInYear(2021), 365, '2021 is not a leap year'); + t.equal(ES.DaysInYear(2020), 366, '2020 is a leap year'); + t.equal(ES.DaysInYear(2019), 365, '2019 is not a leap year'); + t.equal(ES.DaysInYear(2018), 365, '2018 is not a leap year'); + t.equal(ES.DaysInYear(2017), 365, '2017 is not a leap year'); + t.equal(ES.DaysInYear(2016), 366, '2016 is a leap year'); + + t.end(); + }); + + test('InLeapYear', function (t) { + t.equal(ES.InLeapYear(Date.UTC(2021, 0, 1)), 0, '2021 is not a leap year'); + t.equal(ES.InLeapYear(Date.UTC(2020, 0, 1)), 1, '2020 is a leap year'); + t.equal(ES.InLeapYear(Date.UTC(2019, 0, 1)), 0, '2019 is not a leap year'); + t.equal(ES.InLeapYear(Date.UTC(2018, 0, 1)), 0, '2018 is not a leap year'); + t.equal(ES.InLeapYear(Date.UTC(2017, 0, 1)), 0, '2017 is not a leap year'); + t.equal(ES.InLeapYear(Date.UTC(2016, 0, 1)), 1, '2016 is a leap year'); + + t.end(); + }); + + test('DayWithinYear', function (t) { + t.equal(ES.DayWithinYear(Date.UTC(2019, 0, 1)), 0, '1/1 is the 1st day'); + t.equal(ES.DayWithinYear(Date.UTC(2019, 11, 31)), 364, '12/31 is the 365th day in a non leap year'); + t.equal(ES.DayWithinYear(Date.UTC(2016, 11, 31)), 365, '12/31 is the 366th day in a leap year'); + + t.end(); + }); + + test('MonthFromTime', function (t) { + t.equal(ES.MonthFromTime(Date.UTC(2019, 0, 1)), 0, 'non-leap: 1/1 gives January'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 0, 31)), 0, 'non-leap: 1/31 gives January'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 1, 1)), 1, 'non-leap: 2/1 gives February'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 1, 28)), 1, 'non-leap: 2/28 gives February'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 1, 29)), 2, 'non-leap: 2/29 gives March'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 2, 1)), 2, 'non-leap: 3/1 gives March'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 2, 31)), 2, 'non-leap: 3/31 gives March'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 3, 1)), 3, 'non-leap: 4/1 gives April'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 3, 30)), 3, 'non-leap: 4/30 gives April'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 4, 1)), 4, 'non-leap: 5/1 gives May'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 4, 31)), 4, 'non-leap: 5/31 gives May'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 5, 1)), 5, 'non-leap: 6/1 gives June'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 5, 30)), 5, 'non-leap: 6/30 gives June'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 6, 1)), 6, 'non-leap: 7/1 gives July'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 6, 31)), 6, 'non-leap: 7/31 gives July'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 7, 1)), 7, 'non-leap: 8/1 gives August'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 7, 30)), 7, 'non-leap: 8/30 gives August'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 8, 1)), 8, 'non-leap: 9/1 gives September'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 8, 30)), 8, 'non-leap: 9/30 gives September'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 9, 1)), 9, 'non-leap: 10/1 gives October'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 9, 31)), 9, 'non-leap: 10/31 gives October'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 10, 1)), 10, 'non-leap: 11/1 gives November'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 10, 30)), 10, 'non-leap: 11/30 gives November'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 11, 1)), 11, 'non-leap: 12/1 gives December'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 11, 31)), 11, 'non-leap: 12/31 gives December'); + + t.equal(ES.MonthFromTime(Date.UTC(2016, 0, 1)), 0, 'leap: 1/1 gives January'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 0, 31)), 0, 'leap: 1/31 gives January'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 1, 1)), 1, 'leap: 2/1 gives February'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 1, 28)), 1, 'leap: 2/28 gives February'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 1, 29)), 1, 'leap: 2/29 gives February'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 2, 1)), 2, 'leap: 3/1 gives March'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 2, 31)), 2, 'leap: 3/31 gives March'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 3, 1)), 3, 'leap: 4/1 gives April'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 3, 30)), 3, 'leap: 4/30 gives April'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 4, 1)), 4, 'leap: 5/1 gives May'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 4, 31)), 4, 'leap: 5/31 gives May'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 5, 1)), 5, 'leap: 6/1 gives June'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 5, 30)), 5, 'leap: 6/30 gives June'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 6, 1)), 6, 'leap: 7/1 gives July'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 6, 31)), 6, 'leap: 7/31 gives July'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 7, 1)), 7, 'leap: 8/1 gives August'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 7, 30)), 7, 'leap: 8/30 gives August'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 8, 1)), 8, 'leap: 9/1 gives September'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 8, 30)), 8, 'leap: 9/30 gives September'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 9, 1)), 9, 'leap: 10/1 gives October'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 9, 31)), 9, 'leap: 10/31 gives October'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 10, 1)), 10, 'leap: 11/1 gives November'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 10, 30)), 10, 'leap: 11/30 gives November'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 11, 1)), 11, 'leap: 12/1 gives December'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 11, 31)), 11, 'leap: 12/31 gives December'); + t.end(); + }); + + test('DateFromTime', function (t) { + var i; + for (i = 1; i <= 28; i += 1) { + t.equal(ES.DateFromTime(Date.UTC(2019, 1, i)), i, '2019.02.' + i + ' is date ' + i); + } + for (i = 1; i <= 29; i += 1) { + t.equal(ES.DateFromTime(Date.UTC(2016, 1, i)), i, '2016.02.' + i + ' is date ' + i); + } + for (i = 1; i <= 30; i += 1) { + t.equal(ES.DateFromTime(Date.UTC(2019, 8, i)), i, '2019.09.' + i + ' is date ' + i); + } + for (i = 1; i <= 31; i += 1) { + t.equal(ES.DateFromTime(Date.UTC(2019, 9, i)), i, '2019.10.' + i + ' is date ' + i); + } + t.end(); + }); + + test('MakeDay', function (t) { + var day2015 = 16687; + t.equal(ES.MakeDay(2015, 8, 9), day2015, '2015.09.09 is day 16687'); + var day2016 = day2015 + 366; // 2016 is a leap year + t.equal(ES.MakeDay(2016, 8, 9), day2016, '2015.09.09 is day 17053'); + var day2017 = day2016 + 365; + t.equal(ES.MakeDay(2017, 8, 9), day2017, '2017.09.09 is day 17418'); + var day2018 = day2017 + 365; + t.equal(ES.MakeDay(2018, 8, 9), day2018, '2018.09.09 is day 17783'); + var day2019 = day2018 + 365; + t.equal(ES.MakeDay(2019, 8, 9), day2019, '2019.09.09 is day 18148'); + t.end(); + }); + + test('MakeDate', function (t) { + forEach(v.infinities.concat(NaN), function (nonFiniteNumber) { + t.ok(is(ES.MakeDate(nonFiniteNumber, 0), NaN), debug(nonFiniteNumber) + ' is not a finite `day`'); + t.ok(is(ES.MakeDate(0, nonFiniteNumber), NaN), debug(nonFiniteNumber) + ' is not a finite `time`'); + }); + t.equal(ES.MakeDate(0, 0), 0, 'zero day and zero time is zero date'); + t.equal(ES.MakeDate(0, 123), 123, 'zero day and nonzero time is a date of the "time"'); + t.equal(ES.MakeDate(1, 0), msPerDay, 'day of 1 and zero time is a date of "ms per day"'); + t.equal(ES.MakeDate(3, 0), 3 * msPerDay, 'day of 3 and zero time is a date of thrice "ms per day"'); + t.equal(ES.MakeDate(1, 123), msPerDay + 123, 'day of 1 and nonzero time is a date of "ms per day" plus the "time"'); + t.equal(ES.MakeDate(3, 123), (3 * msPerDay) + 123, 'day of 3 and nonzero time is a date of thrice "ms per day" plus the "time"'); + + t.end(); + }); + + test('MakeTime', function (t) { + forEach(v.infinities.concat(NaN), function (nonFiniteNumber) { + t.ok(is(ES.MakeTime(nonFiniteNumber, 0, 0, 0), NaN), debug(nonFiniteNumber) + ' is not a finite `hour`'); + t.ok(is(ES.MakeTime(0, nonFiniteNumber, 0, 0), NaN), debug(nonFiniteNumber) + ' is not a finite `min`'); + t.ok(is(ES.MakeTime(0, 0, nonFiniteNumber, 0), NaN), debug(nonFiniteNumber) + ' is not a finite `sec`'); + t.ok(is(ES.MakeTime(0, 0, 0, nonFiniteNumber), NaN), debug(nonFiniteNumber) + ' is not a finite `ms`'); + }); + + t.equal( + ES.MakeTime(1.2, 2.3, 3.4, 4.5), + (1 * msPerHour) + (2 * msPerMinute) + (3 * msPerSecond) + 4, + 'all numbers are converted to integer, multiplied by the right number of ms, and summed' + ); + + t.end(); + }); + + test('TimeClip', function (t) { + forEach(v.infinities.concat(NaN), function (nonFiniteNumber) { + t.ok(is(ES.TimeClip(nonFiniteNumber), NaN), debug(nonFiniteNumber) + ' is not a finite `time`'); + }); + t.ok(is(ES.TimeClip(8.64e15 + 1), NaN), '8.64e15 is the largest magnitude considered "finite"'); + t.ok(is(ES.TimeClip(-8.64e15 - 1), NaN), '-8.64e15 is the largest magnitude considered "finite"'); + + forEach(v.zeroes.concat([-10, 10, +new Date()]), function (time) { + t.looseEqual(ES.TimeClip(time), time, debug(time) + ' is a time of ' + debug(time)); + }); + + t.end(); + }); + + test('modulo', function (t) { + t.equal(3 % 2, 1, '+3 % 2 is +1'); + t.equal(ES.modulo(3, 2), 1, '+3 mod 2 is +1'); + + t.equal(-3 % 2, -1, '-3 % 2 is -1'); + t.equal(ES.modulo(-3, 2), 1, '-3 mod 2 is +1'); + t.end(); + }); + + test('ToDateString', function (t) { + forEach(v.nonNumbers, function (nonNumber) { + t['throws']( + function () { ES.ToDateString(nonNumber); }, + TypeError, + debug(nonNumber) + ' is not a Number' + ); + }); + + t.equal(ES.ToDateString(NaN), 'Invalid Date', 'NaN becomes "Invalid Date"'); + var now = +new Date(); + t.equal(ES.ToDateString(now), Date(now), 'any timestamp becomes `Date(timestamp)`'); + t.end(); + }); + + test('CreateListFromArrayLike', function (t) { + forEach(v.primitives, function (nonObject) { + t['throws']( + function () { ES.CreateListFromArrayLike(nonObject); }, + TypeError, + debug(nonObject) + ' is not an Object' + ); + }); + forEach(v.nonArrays, function (nonArray) { + t['throws']( + function () { ES.CreateListFromArrayLike({}, nonArray); }, + TypeError, + debug(nonArray) + ' is not an Array' + ); + }); + + t.deepEqual( + ES.CreateListFromArrayLike({ length: 2, 0: 'a', 1: 'b', 2: 'c' }), + ['a', 'b'], + 'arraylike stops at the length' + ); + + t.end(); + }); + + test('GetPrototypeFromConstructor', function (t) { + forEach(v.nonFunctions, function (nonFunction) { + t['throws']( + function () { ES.GetPrototypeFromConstructor(nonFunction, '%Array%'); }, + TypeError, + debug(nonFunction) + ' is not a constructor' + ); + }); + + forEach(arrowFns, function (arrowFn) { + t['throws']( + function () { ES.GetPrototypeFromConstructor(arrowFn, '%Array%'); }, + TypeError, + debug(arrowFn) + ' is not a constructor' + ); + }); + + var f = function () {}; + t.equal( + ES.GetPrototypeFromConstructor(f, '%Array.prototype%'), + f.prototype, + 'function with normal `prototype` property returns it' + ); + forEach([true, 'foo', 42], function (truthyPrimitive) { + f.prototype = truthyPrimitive; + t.equal( + ES.GetPrototypeFromConstructor(f, '%Array.prototype%'), + Array.prototype, + 'function with non-object `prototype` property (' + debug(truthyPrimitive) + ') returns default intrinsic' + ); + }); + + t.end(); + }); + + var getNamelessFunction = function () { + var f = Object(function () {}); + try { + delete f.name; + } catch (e) { /**/ } + return f; + }; + + test('SetFunctionName', function (t) { + t.test('non-extensible function', { skip: !Object.preventExtensions }, function (st) { + var f = getNamelessFunction(); + Object.preventExtensions(f); + st['throws']( + function () { ES.SetFunctionName(f, ''); }, + TypeError, + 'throws on a non-extensible function' + ); + st.end(); + }); + + t.test('has an own name property', { skip: !functionsHaveNames }, function (st) { + st['throws']( + function () { ES.SetFunctionName(function g() {}, ''); }, + TypeError, + 'throws if function has an own `name` property' + ); + st.end(); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.SetFunctionName(getNamelessFunction(), nonPropertyKey); }, + TypeError, + debug(nonPropertyKey) + ' is not a Symbol or String' + ); + }); + + t.test('symbols', { skip: !v.hasSymbols || has(getNamelessFunction(), 'name') }, function (st) { + var pairs = [ + [Symbol(), ''], + [Symbol(undefined), ''], + [Symbol(null), '[null]'], + [Symbol(''), getInferredName ? '[]' : ''], + [Symbol.iterator, '[Symbol.iterator]'], + [Symbol('foo'), '[foo]'] + ]; + forEach(pairs, function (pair) { + var sym = pair[0]; + var desc = pair[1]; + var f = getNamelessFunction(); + ES.SetFunctionName(f, sym); + st.equal(f.name, desc, debug(sym) + ' yields a name of ' + debug(desc)); + }); + + st.end(); + }); + + var f = getNamelessFunction(); + t.test('when names are configurable', { skip: !functionsHaveConfigurableNames || has(f, 'name') }, function (st) { + // without prefix + st.notEqual(f.name, 'foo', 'precondition'); + ES.SetFunctionName(f, 'foo'); + st.equal(f.name, 'foo', 'function name is set without a prefix'); + + // with prefix + var g = getNamelessFunction(); + st.notEqual(g.name, 'pre- foo', 'precondition'); + ES.SetFunctionName(g, 'foo', 'pre-'); + st.equal(g.name, 'pre- foo', 'function name is set with a prefix'); + + st.end(); + }); + + t.end(); + }); + + test('OrdinaryCreateFromConstructor', function (t) { + forEach(v.nonFunctions, function (nonFunction) { + t['throws']( + function () { ES.OrdinaryCreateFromConstructor(nonFunction, '%Array.prototype%'); }, + TypeError, + debug(nonFunction) + ' is not a constructor' + ); + }); + + forEach(arrowFns, function (arrowFn) { + t['throws']( + function () { ES.OrdinaryCreateFromConstructor(arrowFn, '%Array.prototype%'); }, + TypeError, + debug(arrowFn) + ' is not a constructor' + ); + }); + + t.test('proto arg', function (st) { + var Parent = function Parent() {}; + Parent.prototype.foo = {}; + var child = ES.OrdinaryCreateFromConstructor(Parent, '%Array.prototype%'); + st.equal(child instanceof Parent, true, 'child is instanceof Parent'); + st.equal(child instanceof Array, false, 'child is not instanceof Array'); + st.equal(child.foo, Parent.prototype.foo, 'child inherits properties from Parent.prototype'); + + st.end(); + }); + + t.test('internal slots arg', function (st) { + st.doesNotThrow( + function () { ES.OrdinaryCreateFromConstructor(function () {}, '%Array.prototype%', []); }, + 'an empty slot list is valid' + ); + + st['throws']( + function () { ES.OrdinaryCreateFromConstructor(function () {}, '%Array.prototype%', ['a']); }, + SyntaxError, + 'internal slots are not supported' + ); + + st.end(); + }); + + t.end(); + }); +}; + +var es2016 = function ES2016(ES, ops, expectedMissing, skips) { + es2015(ES, ops, expectedMissing, skips); + + test('SameValueNonNumber', { skip: skips && skips.SameValueNonNumber }, function (t) { + var willThrow = [ + [3, 4], + [NaN, 4], + [4, ''], + ['abc', true], + [{}, false] + ]; + forEach(willThrow, function (nums) { + t['throws'](function () { return ES.SameValueNonNumber.apply(ES, nums); }, TypeError, 'value must be same type and non-number'); + }); + + forEach(v.objects.concat(v.nonNumberPrimitives), function (val) { + t.equal(val === val, ES.SameValueNonNumber(val, val), debug(val) + ' is SameValueNonNumber to itself'); + }); + + t.end(); + }); + + test('IterableToArrayLike', { skip: skips && skips.IterableToArrayLike }, function (t) { + t.test('custom iterables', { skip: !v.hasSymbols }, function (st) { + var O = {}; + O[Symbol.iterator] = function () { + var i = -1; + return { + next: function () { + i += 1; + return { + done: i >= 5, + value: i + }; + } + }; + }; + st.deepEqual( + ES.IterableToArrayLike(O), + [0, 1, 2, 3, 4], + 'Symbol.iterator method is called and values collected' + ); + + st.end(); + }); + + t.deepEqual(ES.IterableToArrayLike('abc'), ['a', 'b', 'c'], 'a string of code units spreads'); + t.deepEqual(ES.IterableToArrayLike('💩'), ['💩'], 'a string of code points spreads'); + t.deepEqual(ES.IterableToArrayLike('a💩c'), ['a', '💩', 'c'], 'a string of code points and units spreads'); + + var arr = [1, 2, 3]; + t.deepEqual(ES.IterableToArrayLike(arr), arr, 'an array becomes a similar array'); + t.notEqual(ES.IterableToArrayLike(arr), arr, 'an array becomes a different, but similar, array'); + + var O = {}; + t.equal(ES.IterableToArrayLike(O), O, 'a non-iterable non-array non-string object is returned directly'); + + t.end(); + }); + + test('OrdinaryGetPrototypeOf', function (t) { + t.test('values', { skip: !$getProto }, function (st) { + st.equal(ES.OrdinaryGetPrototypeOf([]), Array.prototype, 'array [[Prototype]] is Array.prototype'); + st.equal(ES.OrdinaryGetPrototypeOf({}), Object.prototype, 'object [[Prototype]] is Object.prototype'); + st.equal(ES.OrdinaryGetPrototypeOf(/a/g), RegExp.prototype, 'regex [[Prototype]] is RegExp.prototype'); + st.equal(ES.OrdinaryGetPrototypeOf(Object('')), String.prototype, 'boxed string [[Prototype]] is String.prototype'); + st.equal(ES.OrdinaryGetPrototypeOf(Object(42)), Number.prototype, 'boxed number [[Prototype]] is Number.prototype'); + st.equal(ES.OrdinaryGetPrototypeOf(Object(true)), Boolean.prototype, 'boxed boolean [[Prototype]] is Boolean.prototype'); + if (v.hasSymbols) { + st.equal(ES.OrdinaryGetPrototypeOf(Object(Symbol.iterator)), Symbol.prototype, 'boxed symbol [[Prototype]] is Symbol.prototype'); + } + st.end(); + }); + + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.OrdinaryGetPrototypeOf(primitive); }, + TypeError, + debug(primitive) + ' is not an Object' + ); + }); + t.end(); + }); + + test('OrdinarySetPrototypeOf', { skip: !$getProto || !$setProto }, function (t) { + var a = []; + var proto = {}; + + t.equal(ES.OrdinaryGetPrototypeOf(a), Array.prototype, 'precondition'); + t.equal(ES.OrdinarySetPrototypeOf(a, proto), true, 'setting prototype is successful'); + t.equal(ES.OrdinaryGetPrototypeOf(a), proto, 'postcondition'); + + t.end(); + }); + + test('UTF16Encoding', function (t) { + forEach(v.nonNumbers, function (nonNumber) { + t['throws']( + function () { ES.UTF16Encoding(nonNumber); }, + TypeError, + debug(nonNumber) + ' is not a Number' + ); + }); + + t['throws']( + function () { ES.UTF16Encoding(-1); }, + TypeError, + '-1 is < 0' + ); + + t['throws']( + function () { ES.UTF16Encoding(0x10FFFF + 1); }, + TypeError, + '0x10FFFF + 1 is > 0x10FFFF' + ); + + t.equal(ES.UTF16Encoding(0xd83d), leadingPoo.charCodeAt(0), '0xD83D is the first half of ' + wholePoo); + t.equal(ES.UTF16Encoding(0xdca9), trailingPoo.charCodeAt(0), '0xD83D is the last half of ' + wholePoo); + + t.end(); + }); + + test('QuoteJSONString', function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.QuoteJSONString(nonString); }, + TypeError, + debug(nonString) + ' is not a String' + ); + }); + + t.equal(ES.QuoteJSONString(''), '""', '"" gets properly JSON-quoted'); + t.equal(ES.QuoteJSONString('a'), '"a"', '"a" gets properly JSON-quoted'); + t.equal(ES.QuoteJSONString('"'), '"\\""', '"\\"" gets properly JSON-quoted'); + t.equal(ES.QuoteJSONString('\b'), '"\\b"', '"\\b" gets properly JSON-quoted'); + t.equal(ES.QuoteJSONString('\t'), '"\\t"', '"\\t" gets properly JSON-quoted'); + t.equal(ES.QuoteJSONString('\n'), '"\\n"', '"\\n" gets properly JSON-quoted'); + t.equal(ES.QuoteJSONString('\f'), '"\\f"', '"\\f" gets properly JSON-quoted'); + t.equal(ES.QuoteJSONString('\r'), '"\\r"', '"\\r" gets properly JSON-quoted'); + t.equal(ES.QuoteJSONString('\\'), '"\\\\"', '"\\\\" gets properly JSON-quoted'); + t.equal(ES.QuoteJSONString('\\'), '"\\\\"', '"\\\\" gets properly JSON-quoted'); + + t.end(); + }); +}; + +var es2017 = function ES2017(ES, ops, expectedMissing, skips) { + es2016(ES, ops, expectedMissing, assign({}, skips, { + EnumerableOwnNames: true, + IterableToArrayLike: true + })); + + test('ToIndex', function (t) { + t.ok(is(ES.ToIndex(), 0), 'no value gives 0'); + t.ok(is(ES.ToIndex(undefined), 0), 'undefined value gives 0'); + + t['throws'](function () { ES.ToIndex(-1); }, RangeError, 'negative numbers throw'); + + t['throws'](function () { ES.ToIndex(MAX_SAFE_INTEGER + 1); }, RangeError, 'too large numbers throw'); + + t.equal(ES.ToIndex(3), 3, 'numbers work'); + t.equal(ES.ToIndex(v.valueOfOnlyObject), 4, 'coercible objects are coerced'); + + t.end(); + }); + + test('EnumerableOwnProperties', { skip: skips && skips.EnumerableOwnProperties }, function (t) { + var obj = testEnumerableOwnNames(t, function (O) { + return ES.EnumerableOwnProperties(O, 'key'); + }); + + t.deepEqual( + ES.EnumerableOwnProperties(obj, 'value'), + [obj.own], + 'returns enumerable own values' + ); + + t.deepEqual( + ES.EnumerableOwnProperties(obj, 'key+value'), + [['own', obj.own]], + 'returns enumerable own entries' + ); + + t.end(); + }); + + test('IterableToList', function (t) { + var customIterator = function () { + var i = -1; + return { + next: function () { + i += 1; + return { + done: i >= 5, + value: i + }; + } + }; + }; + + t.deepEqual( + ES.IterableToList({}, customIterator), + [0, 1, 2, 3, 4], + 'iterator method is called and values collected' + ); + + t.test('Symbol support', { skip: !v.hasSymbols }, function (st) { + st.deepEqual(ES.IterableToList('abc', String.prototype[Symbol.iterator]), ['a', 'b', 'c'], 'a string of code units spreads'); + st.deepEqual(ES.IterableToList('☃', String.prototype[Symbol.iterator]), ['☃'], 'a string of code points spreads'); + + var arr = [1, 2, 3]; + st.deepEqual(ES.IterableToList(arr, arr[Symbol.iterator]), arr, 'an array becomes a similar array'); + st.notEqual(ES.IterableToList(arr, arr[Symbol.iterator]), arr, 'an array becomes a different, but similar, array'); + + st.end(); + }); + + t['throws']( + function () { ES.IterableToList({}, void 0); }, + TypeError, + 'non-function iterator method' + ); + + t.end(); + }); + + test('StringGetOwnProperty', function (t) { + forEach(v.nonStrings.concat(v.strings), function (nonBoxedString) { + t['throws']( + function () { ES.StringGetOwnProperty(nonBoxedString, '0'); }, + TypeError, + debug(nonBoxedString) + ' is not a boxed String' + ); + }); + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.StringGetOwnProperty(Object(''), nonPropertyKey); }, + TypeError, + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + t.equal(ES.StringGetOwnProperty(Object(''), '0'), undefined, 'empty boxed string yields undefined'); + + forEach(v.strings, function (string) { + if (string) { + var S = Object(string); + for (var i = 0; i < string.length; i += 1) { + var descriptor = ES.StringGetOwnProperty(S, String(i)); + t.deepEqual( + descriptor, + { + '[[Configurable]]': false, + '[[Enumerable]]': true, + '[[Value]]': string.charAt(i), + '[[Writable]]': false + }, + debug(string) + ': property ' + debug(String(i)) + ': returns expected descriptor' + ); + } + } + }); + + t.end(); + }); +}; + +var es2018 = function ES2018(ES, ops, expectedMissing, skips) { + es2017(ES, ops, expectedMissing, assign({}, skips, { + EnumerableOwnProperties: true, + GetSubstitution: true, + IsPropertyDescriptor: true + })); + + test('thisSymbolValue', function (t) { + forEach(v.nonSymbolPrimitives.concat(v.objects), function (nonSymbol) { + t['throws']( + function () { ES.thisSymbolValue(nonSymbol); }, + v.hasSymbols ? TypeError : SyntaxError, + debug(nonSymbol) + ' is not a Symbol' + ); + }); + + t.test('no native Symbols', { skip: v.hasSymbols }, function (st) { + forEach(v.objects.concat(v.primitives), function (value) { + st['throws']( + function () { ES.thisSymbolValue(value); }, + SyntaxError, + 'Symbols are not supported' + ); + }); + st.end(); + }); + + t.test('symbol values', { skip: !v.hasSymbols }, function (st) { + forEach(v.symbols, function (symbol) { + st.equal(ES.thisSymbolValue(symbol), symbol, 'Symbol value of ' + debug(symbol) + ' is same symbol'); + + st.equal( + ES.thisSymbolValue(Object(symbol)), + symbol, + 'Symbol value of ' + debug(Object(symbol)) + ' is ' + debug(symbol) + ); + }); + + st.end(); + }); + + t.end(); + }); + + test('IsStringPrefix', function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.IsStringPrefix(nonString, 'a'); }, + TypeError, + 'first arg: ' + debug(nonString) + ' is not a string' + ); + t['throws']( + function () { ES.IsStringPrefix('a', nonString); }, + TypeError, + 'second arg: ' + debug(nonString) + ' is not a string' + ); + }); + + forEach(v.strings, function (string) { + t.equal(ES.IsStringPrefix(string, string), true, debug(string) + ' is a prefix of itself'); + + t.equal(ES.IsStringPrefix('', string), true, 'the empty string is a prefix of everything'); + }); + + t.equal(ES.IsStringPrefix('abc', 'abcd'), true, '"abc" is a prefix of "abcd"'); + t.equal(ES.IsStringPrefix('abcd', 'abc'), false, '"abcd" is not a prefix of "abc"'); + + t.equal(ES.IsStringPrefix('a', 'bc'), false, '"a" is not a prefix of "bc"'); + + t.end(); + }); + + test('NumberToString', { skip: skips && skips.NumberToString }, function (t) { + forEach(v.nonNumbers, function (nonNumber) { + t['throws']( + function () { ES.NumberToString(nonNumber); }, + TypeError, + debug(nonNumber) + ' is not a Number' + ); + }); + + forEach(v.numbers, function (number) { + t.equal(ES.NumberToString(number), String(number), debug(number) + ' stringifies to ' + number); + }); + + t.end(); + }); + + test('CopyDataProperties', function (t) { + t.test('first argument: target', function (st) { + forEach(v.primitives, function (primitive) { + st['throws']( + function () { ES.CopyDataProperties(primitive, {}, []); }, + TypeError, + debug(primitive) + ' is not an Object' + ); + }); + st.end(); + }); + + t.test('second argument: source', function (st) { + var frozenTarget = Object.freeze ? Object.freeze({}) : {}; + forEach(v.nullPrimitives, function (nullish) { + st.equal( + ES.CopyDataProperties(frozenTarget, nullish, []), + frozenTarget, + debug(nullish) + ' "source" yields identical, unmodified target' + ); + }); + + forEach(v.nonNullPrimitives, function (objectCoercible) { + var target = {}; + var result = ES.CopyDataProperties(target, objectCoercible, []); + st.equal(result, target, 'result === target'); + st.deepEqual(keys(result), keys(Object(objectCoercible)), 'target ends up with keys of ' + debug(objectCoercible)); + }); + + st.test('enumerable accessor property', { skip: !defineProperty.oDP }, function (s2t) { + var target = {}; + var source = {}; + defineProperty(source, 'a', { + enumerable: true, + get: function () { return 42; } + }); + var result = ES.CopyDataProperties(target, source, []); + s2t.equal(result, target, 'result === target'); + s2t.deepEqual(result, { a: 42 }, 'target ends up with enumerable accessor of source'); + s2t.end(); + }); + + st.end(); + }); + + t.test('third argument: excludedItems', function (st) { + forEach(v.objects.concat(v.primitives), function (nonArray) { + st['throws']( + function () { ES.CopyDataProperties({}, {}, nonArray); }, + TypeError, + debug(nonArray) + ' is not an Array' + ); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + st['throws']( + function () { ES.CopyDataProperties({}, {}, [nonPropertyKey]); }, + TypeError, + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + var result = ES.CopyDataProperties({}, { a: 1, b: 2, c: 3 }, ['b']); + st.deepEqual(keys(result).sort(), ['a', 'c'].sort(), 'excluded string keys are excluded'); + + st.test('excluding symbols', { skip: !v.hasSymbols }, function (s2t) { + var source = {}; + forEach(v.symbols, function (symbol) { + source[symbol] = true; + }); + + var includedSymbols = v.symbols.slice(1); + var excludedSymbols = v.symbols.slice(0, 1); + var target = ES.CopyDataProperties({}, source, excludedSymbols); + + forEach(includedSymbols, function (symbol) { + s2t.equal(has(target, symbol), true, debug(symbol) + ' is included'); + }); + + forEach(excludedSymbols, function (symbol) { + s2t.equal(has(target, symbol), false, debug(symbol) + ' is excluded'); + }); + + s2t.end(); + }); + + st.end(); + }); + + t.end(); + }); + + test('PromiseResolve', function (t) { + t.test('Promises unsupported', { skip: typeof Promise === 'function' }, function (st) { + st['throws']( + function () { ES.PromiseResolve(); }, + SyntaxError, + 'Promises are not supported' + ); + st.end(); + }); + + t.test('Promises supported', { skip: typeof Promise !== 'function' }, function (st) { + st.plan(2); + + var a = {}; + var b = {}; + var fulfilled = Promise.resolve(a); + var rejected = Promise.reject(b); + + ES.PromiseResolve(Promise, fulfilled).then(function (x) { + st.equal(x, a, 'fulfilled promise resolves to fulfilled'); + }); + + ES.PromiseResolve(Promise, rejected)['catch'](function (e) { + st.equal(e, b, 'rejected promise resolves to rejected'); + }); + }); + + t.end(); + }); + + test('EnumerableOwnPropertyNames', { skip: skips && skips.EnumerableOwnPropertyNames }, function (t) { + var obj = testEnumerableOwnNames(t, function (O) { + return ES.EnumerableOwnPropertyNames(O, 'key'); + }); + + t.deepEqual( + ES.EnumerableOwnPropertyNames(obj, 'value'), + [obj.own], + 'returns enumerable own values' + ); + + t.deepEqual( + ES.EnumerableOwnPropertyNames(obj, 'key+value'), + [['own', obj.own]], + 'returns enumerable own entries' + ); + + t.end(); + }); + + test('IsPromise', { skip: typeof Promise !== 'function' }, function (t) { + forEach(v.objects.concat(v.primitives), function (nonPromise) { + t.equal(ES.IsPromise(nonPromise), false, debug(nonPromise) + ' is not a Promise'); + }); + + var thenable = { then: Promise.prototype.then }; + t.equal(ES.IsPromise(thenable), false, 'generic thenable is not a Promise'); + + t.equal(ES.IsPromise(Promise.resolve()), true, 'Promise is a Promise'); + + t.end(); + }); + + test('GetSubstitution (ES2018+)', function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.GetSubstitution(nonString, '', 0, [], undefined, ''); }, + TypeError, + '`matched`: ' + debug(nonString) + ' is not a String' + ); + + t['throws']( + function () { ES.GetSubstitution('', nonString, 0, [], undefined, ''); }, + TypeError, + '`str`: ' + debug(nonString) + ' is not a String' + ); + + t['throws']( + function () { ES.GetSubstitution('', '', 0, [], undefined, nonString); }, + TypeError, + '`replacement`: ' + debug(nonString) + ' is not a String' + ); + + t['throws']( + function () { ES.GetSubstitution('', '', 0, [nonString], undefined, ''); }, + TypeError, + '`captures`: ' + debug([nonString]) + ' is not an Array of strings' + ); + }); + + forEach(v.nonIntegerNumbers.concat([-1, -42, -Infinity]), function (nonNonNegativeInteger) { + t['throws']( + function () { ES.GetSubstitution('', '', nonNonNegativeInteger, [], undefined, ''); }, + TypeError, + '`position`: ' + debug(nonNonNegativeInteger) + ' is not a non-negative integer' + ); + }); + + forEach(v.nonArrays, function (nonArray) { + t['throws']( + function () { ES.GetSubstitution('', '', 0, nonArray, undefined, ''); }, + TypeError, + '`captures`: ' + debug(nonArray) + ' is not an Array' + ); + }); + + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 3, [], undefined, '123'), + '123', + 'returns the substitution' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '$$2$'), + '$2$', + 'supports $$, and trailing $' + ); + + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$&<'), + '>abcdef<', + 'supports $&' + ); + + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$`<'), + '><', + 'supports $` at position 0' + ); + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 3, [], undefined, '>$`<'), + '>ab<', + 'supports $` at position > 0' + ); + + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 7, [], undefined, ">$'<"), + '><', + "supports $' at a position where there's less than `matched.length` chars left" + ); + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 3, [], undefined, ">$'<"), + '>ghi<', + "supports $' at a position where there's more than `matched.length` chars left" + ); + + for (var i = 0; i < 100; i += 1) { + var captures = []; + captures[i] = 'test'; + if (i > 0) { + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$' + i + '<'), + '>undefined<', + 'supports $' + i + ' with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$' + i), + '>undefined', + 'supports $' + i + ' at the end of the replacement, with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, undefined, '>$' + i + '<'), + '><', + 'supports $' + i + ' with a capture at that index' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, undefined, '>$' + i), + '>', + 'supports $' + i + ' at the end of the replacement, with a capture at that index' + ); + } + if (i < 10) { + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$0' + i + '<'), + i === 0 ? '><' : '>undefined<', + 'supports $0' + i + ' with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$0' + i), + i === 0 ? '>' : '>undefined', + 'supports $0' + i + ' at the end of the replacement, with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, undefined, '>$0' + i + '<'), + '><', + 'supports $0' + i + ' with a capture at that index' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, undefined, '>$0' + i), + '>', + 'supports $0' + i + ' at the end of the replacement, with a capture at that index' + ); + } + } + + t.end(); + }); + + test('DateString', function (t) { + forEach(v.nonNumbers.concat(NaN), function (nonNumberOrNaN) { + t['throws']( + function () { ES.DateString(nonNumberOrNaN); }, + TypeError, + debug(nonNumberOrNaN) + ' is not a non-NaN Number' + ); + }); + + t.equal(ES.DateString(Date.UTC(2019, 8, 10, 7, 8, 9)), 'Tue Sep 10 2019'); + t.equal(ES.DateString(Date.UTC(2016, 1, 29, 7, 8, 9)), 'Mon Feb 29 2016'); // leap day + t.end(); + }); + + test('TimeString', function (t) { + forEach(v.nonNumbers.concat(NaN), function (nonNumberOrNaN) { + t['throws']( + function () { ES.TimeString(nonNumberOrNaN); }, + TypeError, + debug(nonNumberOrNaN) + ' is not a non-NaN Number' + ); + }); + + var tv = Date.UTC(2019, 8, 10, 7, 8, 9); + t.equal(ES.TimeString(tv), '07:08:09 GMT'); + t.end(); + }); + + test('SetFunctionLength', function (t) { + forEach(v.nonFunctions, function (nonFunction) { + t['throws']( + function () { ES.SetFunctionLength(nonFunction, 0); }, + TypeError, + debug(nonFunction) + ' is not a Function' + ); + }); + + t.test('non-extensible function', { skip: !Object.preventExtensions }, function (st) { + var F = function F() {}; + Object.preventExtensions(F); + + st['throws']( + function () { ES.SetFunctionLength(F, 0); }, + TypeError, + 'non-extensible function throws' + ); + st.end(); + }); + + var HasLength = function HasLength(_) { return _; }; + t.equal(has(HasLength, 'length'), true, 'precondition: `HasLength` has own length'); + t['throws']( + function () { ES.SetFunctionLength(HasLength, 0); }, + TypeError, + 'function with own length throws' + ); + + t.test('no length', { skip: !functionsHaveConfigurableNames }, function (st) { + var HasNoLength = function HasNoLength() {}; + delete HasNoLength.length; + + st.equal(has(HasNoLength, 'length'), false, 'precondition: `HasNoLength` has no own length'); + + forEach(v.nonNumbers, function (nonNumber) { + st['throws']( + function () { ES.SetFunctionLength(HasNoLength, nonNumber); }, + TypeError, + debug(nonNumber) + ' is not a Number' + ); + }); + + forEach([-1, -42].concat(v.nonIntegerNumbers), function (nonPositiveInteger) { + st['throws']( + function () { ES.SetFunctionLength(HasNoLength, nonPositiveInteger); }, + TypeError, + debug(nonPositiveInteger) + ' is not a positive integer Number' + ); + }); + + st.end(); + }); + + // defines an own configurable non-enum non-write length property + + t.end(); + }); + + test('UnicodeEscape', function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.UnicodeEscape(nonString); }, + TypeError, + debug(nonString) + ' is not a String' + ); + }); + t['throws']( + function () { ES.UnicodeEscape(''); }, + TypeError, + 'empty string does not have length 1' + ); + t['throws']( + function () { ES.UnicodeEscape('ab'); }, + TypeError, + '2-char string does not have length 1' + ); + + t.equal(ES.UnicodeEscape(' '), '\\u0020'); + t.equal(ES.UnicodeEscape('a'), '\\u0061'); + t.equal(ES.UnicodeEscape(leadingPoo), '\\ud83d'); + t.equal(ES.UnicodeEscape(trailingPoo), '\\udca9'); + + t.end(); + }); +}; + +var es2019 = function ES2018(ES, ops, expectedMissing, skips) { + es2018(ES, ops, expectedMissing, assign({}, skips, { + })); + + test('AddEntriesFromIterable', function (t) { + t['throws']( + function () { ES.AddEntriesFromIterable({}, undefined, function () {}); }, + TypeError, + 'iterable must not be undefined' + ); + t['throws']( + function () { ES.AddEntriesFromIterable({}, null, function () {}); }, + TypeError, + 'iterable must not be null' + ); + forEach(v.nonFunctions, function (nonFunction) { + t['throws']( + function () { ES.AddEntriesFromIterable({}, {}, nonFunction); }, + TypeError, + debug(nonFunction) + ' is not a function' + ); + }); + + t.test('Symbol support', { skip: !v.hasSymbols }, function (st) { + st.plan(4); + + var O = {}; + st.equal(ES.AddEntriesFromIterable(O, [], function () {}), O, 'returns the target'); + + var adder = function (key, value) { + st.equal(this, O, 'adder gets proper receiver'); + st.equal(key, 0, 'k is key'); + st.equal(value, 'a', 'v is value'); + }; + ES.AddEntriesFromIterable(O, ['a'].entries(), adder); + + st.end(); + }); + + t.end(); + }); + + test('FlattenIntoArray', function (t) { + t.test('no mapper function', function (st) { + var testDepth = function testDepth(tt, depth, expected) { + var a = []; + var o = [[1], 2, , [[3]], [], 4, [[[[5]]]]]; // eslint-disable-line no-sparse-arrays + ES.FlattenIntoArray(a, o, o.length, 0, depth); + tt.deepEqual(a, expected, 'depth: ' + depth); + }; + + testDepth(st, 1, [1, 2, [3], 4, [[[5]]]]); + testDepth(st, 2, [1, 2, 3, 4, [[5]]]); + testDepth(st, 3, [1, 2, 3, 4, [5]]); + testDepth(st, 4, [1, 2, 3, 4, 5]); + testDepth(st, Infinity, [1, 2, 3, 4, 5]); + st.end(); + }); + + t.test('mapper function', function (st) { + var testMapper = function testMapper(tt, mapper, expected, thisArg) { + var a = []; + var o = [[1], 2, , [[3]], [], 4, [[[[5]]]]]; // eslint-disable-line no-sparse-arrays + ES.FlattenIntoArray(a, o, o.length, 0, 1, mapper, thisArg); + tt.deepEqual(a, expected); + }; + + var double = function double(x) { + return typeof x === 'number' ? 2 * x : x; + }; + testMapper( + st, + double, + [1, 4, [3], 8, [[[5]]]] + ); + var receiver = hasStrictMode ? 42 : Object(42); + testMapper( + st, + function (x) { return [this, double(x)]; }, + [receiver, [1], receiver, 4, receiver, [[3]], receiver, [], receiver, 8, receiver, [[[[5]]]]], + 42 + ); + st.end(); + }); + + t.end(); + }); + + test('TrimString', function (t) { + t.test('non-object string', function (st) { + forEach(v.nullPrimitives, function (nullish) { + st['throws']( + function () { ES.TrimString(nullish); }, + debug(nullish) + ' is not an Object' + ); + }); + st.end(); + }); + + var string = ' \n abc \n '; + t.equal(ES.TrimString(string, 'start'), string.slice(string.indexOf('a'))); + t.equal(ES.TrimString(string, 'end'), string.slice(0, string.lastIndexOf('c') + 1)); + t.equal(ES.TrimString(string, 'start+end'), string.slice(string.indexOf('a'), string.lastIndexOf('c') + 1)); + + t.end(); + }); +}; + +var es2020 = function ES2019(ES, ops, expectedMissing, skips) { + es2019(ES, ops, expectedMissing, assign({}, skips, { + NumberToString: true, + ObjectCreate: true, + SameValueNonNumber: true, + ToInteger: true + })); + + test('ToInteger', function (t) { + forEach([0, -0, NaN], function (num) { + t.ok(is(0, ES.ToInteger(num)), debug(num) + ' returns +0'); + }); + forEach([Infinity, 42], function (num) { + t.ok(is(num, ES.ToInteger(num)), debug(num) + ' returns itself'); + t.ok(is(-num, ES.ToInteger(-num)), '-' + debug(num) + ' returns itself'); + }); + t.equal(3, ES.ToInteger(Math.PI), 'pi returns 3'); + t['throws'](function () { return ES.ToInteger(v.uncoercibleObject); }, TypeError, 'uncoercibleObject throws'); + t.end(); + }); + + test('BinaryAnd', function (t) { + t.equal(ES.BinaryAnd(0, 0), 0); + t.equal(ES.BinaryAnd(0, 1), 0); + t.equal(ES.BinaryAnd(1, 0), 0); + t.equal(ES.BinaryAnd(1, 1), 1); + + forEach(v.nonIntegerNumbers.concat(v.nonNumberPrimitives, v.objects), function (nonBit) { + t['throws']( + function () { ES.BinaryAnd(0, nonBit); }, + TypeError + ); + t['throws']( + function () { ES.BinaryAnd(nonBit, 1); }, + TypeError + ); + }); + t.end(); + }); + + test('BinaryOr', function (t) { + t.equal(ES.BinaryOr(0, 0), 0); + t.equal(ES.BinaryOr(0, 1), 1); + t.equal(ES.BinaryOr(1, 0), 1); + t.equal(ES.BinaryOr(1, 1), 1); + + forEach(v.nonIntegerNumbers.concat(v.nonNumberPrimitives, v.objects), function (nonBit) { + t['throws']( + function () { ES.BinaryOr(0, nonBit); }, + TypeError + ); + t['throws']( + function () { ES.BinaryOr(nonBit, 1); }, + TypeError + ); + }); + t.end(); + }); + + test('BinaryXor', function (t) { + t.equal(ES.BinaryXor(0, 0), 0); + t.equal(ES.BinaryXor(0, 1), 1); + t.equal(ES.BinaryXor(1, 0), 1); + t.equal(ES.BinaryXor(1, 1), 0); + + forEach(v.nonIntegerNumbers.concat(v.nonNumberPrimitives, v.objects), function (nonBit) { + t['throws']( + function () { ES.BinaryXor(0, nonBit); }, + TypeError + ); + t['throws']( + function () { ES.BinaryXor(nonBit, 1); }, + TypeError + ); + }); + t.end(); + }); + + test('OrdinaryObjectCreate', function (t) { + forEach(v.nonNullPrimitives, function (value) { + t['throws']( + function () { ES.OrdinaryObjectCreate(value); }, + TypeError, + debug(value) + ' is not null, or an object' + ); + }); + + t.test('proto arg', function (st) { + var Parent = function Parent() {}; + Parent.prototype.foo = {}; + var child = ES.OrdinaryObjectCreate(Parent.prototype); + st.equal(child instanceof Parent, true, 'child is instanceof Parent'); + st.equal(child.foo, Parent.prototype.foo, 'child inherits properties from Parent.prototype'); + + st.end(); + }); + + t.test('internal slots arg', function (st) { + st.doesNotThrow(function () { ES.OrdinaryObjectCreate({}, []); }, 'an empty slot list is valid'); + + st['throws']( + function () { ES.OrdinaryObjectCreate({}, ['a']); }, + SyntaxError, + 'internal slots are not supported' + ); + + st.end(); + }); + + t.test('null proto', { skip: !$setProto }, function (st) { + st.equal('toString' in {}, true, 'normal objects have toString'); + st.equal('toString' in ES.OrdinaryObjectCreate(null), false, 'makes a null object'); + + st.end(); + }); + + t.test('null proto when no native Object.create', { skip: $setProto }, function (st) { + st['throws']( + function () { ES.OrdinaryObjectCreate(null); }, + SyntaxError, + 'without a native Object.create, can not create null objects' + ); + + st.end(); + }); + + t.end(); + }); + + test('SameValueNonNumeric', function (t) { + var willThrow = [ + [3, 4], + [NaN, 4], + [4, ''], + ['abc', true], + [{}, false] + ]; + forEach(willThrow, function (nums) { + t['throws'](function () { return ES.SameValueNonNumeric.apply(ES, nums); }, TypeError, 'value must be same type and non-number'); + }); + + forEach(v.objects.concat(v.nonNumberPrimitives), function (val) { + t.equal(val === val, ES.SameValueNonNumeric(val, val), debug(val) + ' is SameValueNonNumeric to itself'); + }); + + t.end(); + }); + + test('StringPad', function (t) { + t.equal(ES.StringPad('a', 3, undefined, 'start'), ' a'); + t.equal(ES.StringPad('a', 3, undefined, 'end'), 'a '); + t.equal(ES.StringPad('a', 3, '0', 'start'), '00a'); + t.equal(ES.StringPad('a', 3, '0', 'end'), 'a00'); + t.equal(ES.StringPad('a', 3, '012', 'start'), '01a'); + t.equal(ES.StringPad('a', 3, '012', 'end'), 'a01'); + t.equal(ES.StringPad('a', 7, '012', 'start'), '012012a'); + t.equal(ES.StringPad('a', 7, '012', 'end'), 'a012012'); + + t.end(); + }); + + test('thisBigIntValue', { skip: !hasBigInts }, function (t) { + t.equal(ES.thisBigIntValue(BigInt(42)), BigInt(42)); + t.equal(ES.thisBigIntValue(Object(BigInt(42))), BigInt(42)); + + forEach(v.nonBigInts, function (nonBigInt) { + t['throws']( + function () { ES.thisBigIntValue(nonBigInt); }, + TypeError, + debug(nonBigInt) + ' is not a BigInt' + ); + }); + + t.end(); + }); + + test('CodePointAt', function (t) { + t['throws']( + function () { ES.CodePointAt('abc', -1); }, + TypeError, + 'requires an index >= 0' + ); + t['throws']( + function () { ES.CodePointAt('abc', 3); }, + TypeError, + 'requires an index < string length' + ); + + t.deepEqual(ES.CodePointAt('abc', 0), { + '[[CodePoint]]': 'a', + '[[CodeUnitCount]]': 1, + '[[IsUnpairedSurrogate]]': false + }); + t.deepEqual(ES.CodePointAt('abc', 1), { + '[[CodePoint]]': 'b', + '[[CodeUnitCount]]': 1, + '[[IsUnpairedSurrogate]]': false + }); + t.deepEqual(ES.CodePointAt('abc', 2), { + '[[CodePoint]]': 'c', + '[[CodeUnitCount]]': 1, + '[[IsUnpairedSurrogate]]': false + }); + + var strWithHalfPoo = 'a' + leadingPoo + 'c'; + var strWithWholePoo = 'a' + wholePoo + 'd'; + + t.deepEqual(ES.CodePointAt(strWithHalfPoo, 0), { + '[[CodePoint]]': 'a', + '[[CodeUnitCount]]': 1, + '[[IsUnpairedSurrogate]]': false + }); + t.deepEqual(ES.CodePointAt(strWithHalfPoo, 1), { + '[[CodePoint]]': leadingPoo, + '[[CodeUnitCount]]': 1, + '[[IsUnpairedSurrogate]]': true + }); + t.deepEqual(ES.CodePointAt(strWithHalfPoo, 2), { + '[[CodePoint]]': 'c', + '[[CodeUnitCount]]': 1, + '[[IsUnpairedSurrogate]]': false + }); + + t.deepEqual(ES.CodePointAt(strWithWholePoo, 0), { + '[[CodePoint]]': 'a', + '[[CodeUnitCount]]': 1, + '[[IsUnpairedSurrogate]]': false + }); + t.deepEqual(ES.CodePointAt(strWithWholePoo, 1), { + '[[CodePoint]]': wholePoo, + '[[CodeUnitCount]]': 2, + '[[IsUnpairedSurrogate]]': false + }); + t.deepEqual(ES.CodePointAt(strWithWholePoo, 2), { + '[[CodePoint]]': trailingPoo, + '[[CodeUnitCount]]': 1, + '[[IsUnpairedSurrogate]]': true + }); + t.deepEqual(ES.CodePointAt(strWithWholePoo, 3), { + '[[CodePoint]]': 'd', + '[[CodeUnitCount]]': 1, + '[[IsUnpairedSurrogate]]': false + }); + + t.end(); + }); + + test('UTF16DecodeSurrogatePair', function (t) { + t['throws']( + function () { ES.UTF16DecodeSurrogatePair('a'.charCodeAt(0), trailingPoo.charCodeAt(0)); }, + TypeError, + '"a" is not a leading surrogate' + ); + t['throws']( + function () { ES.UTF16DecodeSurrogatePair(leadingPoo.charCodeAt(0), 'b'.charCodeAt(0)); }, + TypeError, + '"b" is not a trailing surrogate' + ); + + t.equal(ES.UTF16DecodeSurrogatePair(leadingPoo.charCodeAt(0), trailingPoo.charCodeAt(0)), wholePoo); + + t.end(); + }); + + test('LengthOfArrayLike', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.LengthOfArrayLike(primitive); }, + TypeError, + debug(primitive) + ' is not an Object' + ); + }); + + t.equal(ES.LengthOfArrayLike([]), 0); + t.equal(ES.LengthOfArrayLike([1]), 1); + t.equal(ES.LengthOfArrayLike({ length: 42 }), 42); + + t.end(); + }); + + test('IsNonNegativeInteger', function (t) { + forEach(v.nonNumbers, function (nonNumber) { + t.equal( + ES.IsNonNegativeInteger(nonNumber), + false, + debug(nonNumber) + ' is not a non-negative integer' + ); + }); + + forEach(v.nonIntegerNumbers, function (nonIntegerNumber) { + t.equal( + ES.IsNonNegativeInteger(nonIntegerNumber), + false, + debug(nonIntegerNumber) + ' is not a non-negative integer' + ); + }); + + forEach(v.zeroes.concat(v.integerNumbers), function (nonNegativeInteger) { + t.equal( + ES.IsNonNegativeInteger(nonNegativeInteger), + true, + debug(nonNegativeInteger) + ' is a non-negative integer' + ); + }); + + t.end(); + }); + + var unclampedUnsignedIntegerTypes = [ + 'Int8', + 'Int16', + 'Int32' + ]; + var clampedTypes = [ + 'Uint8C' + ]; + var unclampedSignedIntegerTypes = [ + 'Uint8', + 'Uint16', + 'Uint32' + ]; + var unclampedIntegerTypes = unclampedUnsignedIntegerTypes.concat(unclampedSignedIntegerTypes); + var floatTypes = [ + 'Float32', + 'Float64' + ]; + var integerTypes = unclampedIntegerTypes.concat(clampedTypes, floatTypes); + var bigIntTypes = [ + 'BigInt64', + 'BigUint64' + ]; + var numberTypes = floatTypes.concat(integerTypes); + var nonIntegerTypes = floatTypes.concat(bigIntTypes); + var unsignedElementTypes = unclampedSignedIntegerTypes.concat([ + 'BigUint64' + ]); + var signedElementTypes = unclampedUnsignedIntegerTypes; + + test('IsBigIntElementType', function (t) { + forEach(bigIntTypes, function (type) { + t.equal( + ES.IsBigIntElementType(type), + true, + debug(type) + ' is a BigInt element type' + ); + }); + + forEach(numberTypes, function (type) { + t.equal( + ES.IsBigIntElementType(type), + false, + debug(type) + ' is not a BigInt element type' + ); + }); + + t.end(); + }); + + test('IsUnsignedElementType', function (t) { + forEach(unsignedElementTypes, function (type) { + t.equal( + ES.IsUnsignedElementType(type), + true, + debug(type) + ' is an unsigned element type' + ); + }); + + forEach(signedElementTypes, function (type) { + t.equal( + ES.IsUnsignedElementType(type), + false, + debug(type) + ' is not an unsigned element type' + ); + }); + + t.end(); + }); + + test('IsUnclampedIntegerElementType', function (t) { + forEach(unclampedIntegerTypes, function (type) { + t.equal( + ES.IsUnclampedIntegerElementType(type), + true, + debug(type) + ' is an unclamped integer element type' + ); + }); + + forEach(clampedTypes.concat(nonIntegerTypes), function (type) { + t.equal( + ES.IsUnclampedIntegerElementType(type), + false, + debug(type) + ' is not an unclamped integer element type' + ); + }); + + t.end(); + }); + + test('IsNoTearConfiguration', function (t) { + forEach(unclampedIntegerTypes, function (type) { + t.equal( + ES.IsNoTearConfiguration(type), + true, + debug(type) + ' with any order is a no-tear configuration' + ); + }); + + forEach(bigIntTypes, function (type) { + t.equal( + ES.IsNoTearConfiguration(type, 'Init'), + false, + debug(type) + ' with ' + debug('Init') + ' is not a no-tear configuration' + ); + + t.equal( + ES.IsNoTearConfiguration(type, 'Unordered'), + false, + debug(type) + ' with ' + debug('Unordered') + ' is not a no-tear configuration' + ); + + t.equal( + ES.IsNoTearConfiguration(type), + true, + debug(type) + ' with any other order is a no-tear configuration' + ); + }); + + forEach(clampedTypes, function (type) { + t.equal( + ES.IsNoTearConfiguration(type), + false, + debug(type) + ' with any order is not a no-tear configuration' + ); + }); + + t.end(); + }); + + test('NumberBitwiseOp', function (t) { + t['throws']( + function () { ES.NumberBitwiseOp('invalid', 0, 0); }, + TypeError, + 'throws with an invalid op' + ); + + t.equal(ES.NumberBitwiseOp('&', 1, 2), 1 & 2); + t.equal(ES.NumberBitwiseOp('|', 1, 2), 1 | 2); + t.equal(ES.NumberBitwiseOp('^', 1, 2), 1 ^ 2); + + t.end(); + }); + + test('ToNumeric', function (t) { + testToNumber(t, ES, ES.ToNumeric); + + t.test('BigInts', { skip: !hasBigInts }, function (st) { + st.equal(ES.ToNumeric(BigInt(42)), BigInt(42), debug(BigInt(42)) + ' is ' + debug(BigInt(42))); + st.equal(ES.ToNumeric(Object(BigInt(42))), BigInt(42), debug(Object(BigInt(42))) + ' is ' + debug(BigInt(42))); + + var valueOf = { valueOf: function () { return BigInt(7); } }; + st.equal(ES.ToNumeric(valueOf), valueOf.valueOf(), debug(valueOf) + ' is ' + debug(valueOf.valueOf())); + + var toPrimitive = {}; + var value = BigInt(-2); + toPrimitive[Symbol.toPrimitive] = function () { return value; }; + st.equal(ES.ToNumeric(toPrimitive), value, debug(toPrimitive) + ' is ' + debug(value)); + + st.end(); + }); + + t.end(); + }); + + test('UTF16DecodeString', function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.UTF16DecodeString(nonString); }, + TypeError, + debug(nonString) + ' is not a String' + ); + }); + + t.deepEqual(ES.UTF16DecodeString('abc'), ['a', 'b', 'c'], 'code units get split'); + t.deepEqual(ES.UTF16DecodeString('a' + wholePoo + 'c'), ['a', wholePoo, 'c'], 'code points get split too'); + + t.end(); + }); + + test('BigIntBitwiseOp', { skip: !hasBigInts }, function (t) { + t['throws']( + function () { ES.BigIntBitwiseOp('invalid', BigInt(0), BigInt(0)); }, + TypeError, + 'throws with an invalid op' + ); + + t.equal(ES.BigIntBitwiseOp('&', BigInt(1), BigInt(2)), BigInt(1) & BigInt(2)); + t.equal(ES.BigIntBitwiseOp('|', BigInt(1), BigInt(2)), BigInt(1) | BigInt(2)); + t.equal(ES.BigIntBitwiseOp('^', BigInt(1), BigInt(2)), BigInt(1) ^ BigInt(2)); + + t.end(); + }); +}; + +module.exports = { + es2015: es2015, + es2016: es2016, + es2017: es2017, + es2018: es2018, + es2019: es2019, + es2020: es2020 +}; |