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submission report
Commit Description:
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node_modules/es-abstract/test/helpers/OwnPropertyKeys.js
| 42 lines
| 1.2 KiB
| application/javascript
| JavascriptLexer
|
| r789 | '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(); | ||||
| }); | ||||