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52 lines
1.1 KiB
JavaScript
52 lines
1.1 KiB
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: 15.2.3.7-6-a-288
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description: >
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Object.defineProperties - 'O' is an Arguments object, 'P' is own
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accessor property of 'O' which is also defined in [[ParameterMap]]
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of 'O', test TypeError is thrown when updating the [[Enumerable]]
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attribute value of 'P' which is defined as non-configurable (10.6
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[[DefineOwnProperty]] step 4)
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includes: [propertyHelper.js]
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---*/
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var arg;
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(function fun(a, b, c) {
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arg = arguments;
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}(0, 1, 2));
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function get_func() {
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return 0;
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}
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Object.defineProperty(arg, "0", {
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get: get_func,
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enumerable: true,
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configurable: false
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});
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try {
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Object.defineProperties(arg, {
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"0": {
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enumerable: false
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}
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});
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$ERROR("Expected an exception.");
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} catch (e) {
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verifyEqualTo(arg, "0", get_func());
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verifyEnumerable(arg, "0");
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verifyNotConfigurable(arg, "0");
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if (!(e instanceof TypeError)) {
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$ERROR("Expected TypeError, got " + e);
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}
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}
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