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42 lines
1.2 KiB
42 lines
1.2 KiB
'use strict'; |
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var test = require('tape'); |
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var hasSymbols = require('has-symbols')(); |
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var OwnPropertyKeys = require('../../helpers/OwnPropertyKeys'); |
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var defineProperty = require('./defineProperty'); |
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test('OwnPropertyKeys', function (t) { |
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t.deepEqual(OwnPropertyKeys({ a: 1, b: 2 }).sort(), ['a', 'b'].sort(), 'returns own string keys'); |
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t.test('Symbols', { skip: !hasSymbols }, function (st) { |
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var o = { a: 1 }; |
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var sym = Symbol(); |
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o[sym] = 2; |
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st.deepEqual(OwnPropertyKeys(o), ['a', sym], 'returns own string and symbol keys'); |
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st.end(); |
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}); |
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t.test('non-enumerables', { skip: !defineProperty.oDP }, function (st) { |
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var o = { a: 1, b: 42, c: NaN }; |
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defineProperty(o, 'b', { enumerable: false, value: 42 }); |
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defineProperty(o, 'c', { enumerable: false, get: function () { return NaN; } }); |
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if (hasSymbols) { |
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defineProperty(o, 'd', { enumerable: false, value: true }); |
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defineProperty(o, 'e', { enumerable: false, get: function () { return true; } }); |
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} |
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st.deepEqual( |
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OwnPropertyKeys(o).sort(), |
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(hasSymbols ? ['a', 'b', 'c', 'd', 'e'] : ['a', 'b', 'c']).sort(), |
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'returns non-enumerable own keys, including accessors and symbols if available' |
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); |
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st.end(); |
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}); |
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t.end(); |
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});
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