mirror of https://github.com/tc39/test262.git
47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
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// Ecma International makes this code available under the terms and conditions set
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// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
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// "Use Terms"). Any redistribution of this code must retain the above
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// copyright and this notice and otherwise comply with the Use Terms.
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/*---
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es5id: 15.2.3.7-6-a-239
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description: >
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Object.defineProperties - TypeError is thrown if 'O' is an Array,
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'P' is an array index named property that already exists on 'O' is
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data property with [[Configurable]], [[Writable]] false, 'desc'
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is data descriptor, [[Value]] field of 'desc' and the [[Value]]
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attribute value of 'P' are two booleans with different values
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(15.4.5.1 step 4.c)
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includes: [propertyHelper.js]
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---*/
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var arr = [];
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Object.defineProperty(arr, "1", {
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value: true
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});
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try {
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Object.defineProperties(arr, {
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"1": {
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value: false
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}
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});
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$ERROR("Expected an exception.");
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} catch (e) {
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verifyEqualTo(arr, "1", true);
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verifyNotWritable(arr, "1");
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verifyNotEnumerable(arr, "1");
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verifyNotConfigurable(arr, "1");
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if (!(e instanceof TypeError)) {
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$ERROR("Expected TypeError, got " + e);
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}
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}
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