diff options
Diffstat (limited to 'school/node_modules/call-bind/test')
-rw-r--r-- | school/node_modules/call-bind/test/callBound.js | 55 | ||||
-rw-r--r-- | school/node_modules/call-bind/test/index.js | 66 |
2 files changed, 121 insertions, 0 deletions
diff --git a/school/node_modules/call-bind/test/callBound.js b/school/node_modules/call-bind/test/callBound.js new file mode 100644 index 0000000..209ce3c --- /dev/null +++ b/school/node_modules/call-bind/test/callBound.js @@ -0,0 +1,55 @@ +'use strict'; + +var test = require('tape'); + +var callBound = require('../callBound'); + +test('callBound', function (t) { + // static primitive + t.equal(callBound('Array.length'), Array.length, 'Array.length yields itself'); + t.equal(callBound('%Array.length%'), Array.length, '%Array.length% yields itself'); + + // static non-function object + t.equal(callBound('Array.prototype'), Array.prototype, 'Array.prototype yields itself'); + t.equal(callBound('%Array.prototype%'), Array.prototype, '%Array.prototype% yields itself'); + t.equal(callBound('Array.constructor'), Array.constructor, 'Array.constructor yields itself'); + t.equal(callBound('%Array.constructor%'), Array.constructor, '%Array.constructor% yields itself'); + + // static function + t.equal(callBound('Date.parse'), Date.parse, 'Date.parse yields itself'); + t.equal(callBound('%Date.parse%'), Date.parse, '%Date.parse% yields itself'); + + // prototype primitive + t.equal(callBound('Error.prototype.message'), Error.prototype.message, 'Error.prototype.message yields itself'); + t.equal(callBound('%Error.prototype.message%'), Error.prototype.message, '%Error.prototype.message% yields itself'); + + // prototype function + t.notEqual(callBound('Object.prototype.toString'), Object.prototype.toString, 'Object.prototype.toString does not yield itself'); + t.notEqual(callBound('%Object.prototype.toString%'), Object.prototype.toString, '%Object.prototype.toString% does not yield itself'); + t.equal(callBound('Object.prototype.toString')(true), Object.prototype.toString.call(true), 'call-bound Object.prototype.toString calls into the original'); + t.equal(callBound('%Object.prototype.toString%')(true), Object.prototype.toString.call(true), 'call-bound %Object.prototype.toString% calls into the original'); + + t['throws']( + function () { callBound('does not exist'); }, + SyntaxError, + 'nonexistent intrinsic throws' + ); + t['throws']( + function () { callBound('does not exist', true); }, + SyntaxError, + 'allowMissing arg still throws for unknown intrinsic' + ); + + /* globals WeakRef: false */ + t.test('real but absent intrinsic', { skip: typeof WeakRef !== 'undefined' }, function (st) { + st['throws']( + function () { callBound('WeakRef'); }, + TypeError, + 'real but absent intrinsic throws' + ); + st.equal(callBound('WeakRef', true), undefined, 'allowMissing arg avoids exception'); + st.end(); + }); + + t.end(); +}); diff --git a/school/node_modules/call-bind/test/index.js b/school/node_modules/call-bind/test/index.js new file mode 100644 index 0000000..bf6769c --- /dev/null +++ b/school/node_modules/call-bind/test/index.js @@ -0,0 +1,66 @@ +'use strict'; + +var callBind = require('../'); +var bind = require('function-bind'); + +var test = require('tape'); + +/* + * older engines have length nonconfigurable + * in io.js v3, it is configurable except on bound functions, hence the .bind() + */ +var functionsHaveConfigurableLengths = !!( + Object.getOwnPropertyDescriptor + && Object.getOwnPropertyDescriptor(bind.call(function () {}), 'length').configurable +); + +test('callBind', function (t) { + var sentinel = { sentinel: true }; + var func = function (a, b) { + // eslint-disable-next-line no-invalid-this + return [this, a, b]; + }; + t.equal(func.length, 2, 'original function length is 2'); + t.deepEqual(func(), [undefined, undefined, undefined], 'unbound func with too few args'); + t.deepEqual(func(1, 2), [undefined, 1, 2], 'unbound func with right args'); + t.deepEqual(func(1, 2, 3), [undefined, 1, 2], 'unbound func with too many args'); + + var bound = callBind(func); + t.equal(bound.length, func.length + 1, 'function length is preserved', { skip: !functionsHaveConfigurableLengths }); + t.deepEqual(bound(), [undefined, undefined, undefined], 'bound func with too few args'); + t.deepEqual(bound(1, 2), [1, 2, undefined], 'bound func with right args'); + t.deepEqual(bound(1, 2, 3), [1, 2, 3], 'bound func with too many args'); + + var boundR = callBind(func, sentinel); + t.equal(boundR.length, func.length, 'function length is preserved', { skip: !functionsHaveConfigurableLengths }); + t.deepEqual(boundR(), [sentinel, undefined, undefined], 'bound func with receiver, with too few args'); + t.deepEqual(boundR(1, 2), [sentinel, 1, 2], 'bound func with receiver, with right args'); + t.deepEqual(boundR(1, 2, 3), [sentinel, 1, 2], 'bound func with receiver, with too many args'); + + var boundArg = callBind(func, sentinel, 1); + t.equal(boundArg.length, func.length - 1, 'function length is preserved', { skip: !functionsHaveConfigurableLengths }); + t.deepEqual(boundArg(), [sentinel, 1, undefined], 'bound func with receiver and arg, with too few args'); + t.deepEqual(boundArg(2), [sentinel, 1, 2], 'bound func with receiver and arg, with right arg'); + t.deepEqual(boundArg(2, 3), [sentinel, 1, 2], 'bound func with receiver and arg, with too many args'); + + t.test('callBind.apply', function (st) { + var aBound = callBind.apply(func); + st.deepEqual(aBound(sentinel), [sentinel, undefined, undefined], 'apply-bound func with no args'); + st.deepEqual(aBound(sentinel, [1], 4), [sentinel, 1, undefined], 'apply-bound func with too few args'); + st.deepEqual(aBound(sentinel, [1, 2], 4), [sentinel, 1, 2], 'apply-bound func with right args'); + + var aBoundArg = callBind.apply(func); + st.deepEqual(aBoundArg(sentinel, [1, 2, 3], 4), [sentinel, 1, 2], 'apply-bound func with too many args'); + st.deepEqual(aBoundArg(sentinel, [1, 2], 4), [sentinel, 1, 2], 'apply-bound func with right args'); + st.deepEqual(aBoundArg(sentinel, [1], 4), [sentinel, 1, undefined], 'apply-bound func with too few args'); + + var aBoundR = callBind.apply(func, sentinel); + st.deepEqual(aBoundR([1, 2, 3], 4), [sentinel, 1, 2], 'apply-bound func with receiver and too many args'); + st.deepEqual(aBoundR([1, 2], 4), [sentinel, 1, 2], 'apply-bound func with receiver and right args'); + st.deepEqual(aBoundR([1], 4), [sentinel, 1, undefined], 'apply-bound func with receiver and too few args'); + + st.end(); + }); + + t.end(); +}); |