43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
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'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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