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27 lines
895 B
JavaScript
27 lines
895 B
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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* @path ch08/8.12/8.12.4/8.14.4-8-b_2.js
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* @description Non-writable property on a prototype written to in strict mode.
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* @onlyStrict
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*/
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function testcase() {
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"use strict";
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function foo() {};
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Object.defineProperty(foo.prototype, "bar", {value: "unwritable"});
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var o = new foo();
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try {
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o.bar = "overridden";
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return false;
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} catch(e) {
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return (e instanceof TypeError) && (o.bar==="unwritable");
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}
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}
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runTestCase(testcase);
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