diff options
Diffstat (limited to 'src/node_modules/es-abstract/test/helpers/OwnPropertyKeys.js')
-rw-r--r-- | src/node_modules/es-abstract/test/helpers/OwnPropertyKeys.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/node_modules/es-abstract/test/helpers/OwnPropertyKeys.js b/src/node_modules/es-abstract/test/helpers/OwnPropertyKeys.js new file mode 100644 index 0000000..9c2b4fc --- /dev/null +++ b/src/node_modules/es-abstract/test/helpers/OwnPropertyKeys.js @@ -0,0 +1,42 @@ +'use strict'; + +var test = require('tape'); +var hasSymbols = require('has-symbols')(); + +var OwnPropertyKeys = require('../../helpers/OwnPropertyKeys'); +var defineProperty = require('./defineProperty'); + +test('OwnPropertyKeys', function (t) { + t.deepEqual(OwnPropertyKeys({ a: 1, b: 2 }).sort(), ['a', 'b'].sort(), 'returns own string keys'); + + t.test('Symbols', { skip: !hasSymbols }, function (st) { + var o = { a: 1 }; + var sym = Symbol(); + o[sym] = 2; + + st.deepEqual(OwnPropertyKeys(o), ['a', sym], 'returns own string and symbol keys'); + + st.end(); + }); + + t.test('non-enumerables', { skip: !defineProperty.oDP }, function (st) { + var o = { a: 1, b: 42, c: NaN }; + defineProperty(o, 'b', { enumerable: false, value: 42 }); + defineProperty(o, 'c', { enumerable: false, get: function () { return NaN; } }); + + if (hasSymbols) { + defineProperty(o, 'd', { enumerable: false, value: true }); + defineProperty(o, 'e', { enumerable: false, get: function () { return true; } }); + } + + st.deepEqual( + OwnPropertyKeys(o).sort(), + (hasSymbols ? ['a', 'b', 'c', 'd', 'e'] : ['a', 'b', 'c']).sort(), + 'returns non-enumerable own keys, including accessors and symbols if available' + ); + + st.end(); + }); + + t.end(); +}); |