mirror of https://github.com/tc39/test262.git
36 lines
993 B
JavaScript
36 lines
993 B
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es5id: 15.2.3.14-5-13
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description: >
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Object.keys - own enumerable indexed data property of sparse array
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'O' is defined in returned array
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---*/
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var obj = [1, , 3, , 5];
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Object.defineProperty(obj, 5, {
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value: 7,
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enumerable: false,
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configurable: true
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});
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Object.defineProperty(obj, 10000, {
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value: "ElementWithLargeIndex",
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enumerable: true,
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configurable: true
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});
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var arr = Object.keys(obj);
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var index;
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var initValue = 0;
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for (index = 0; index < 3; index++) {
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assert.sameValue(arr[index], initValue.toString(), 'Unexpected property at index: ' + index);
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initValue += 2;
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}
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assert.sameValue(arr.length, 4, 'arr.length');
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assert.sameValue(arr[3], "10000", 'arr[3]');
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