22 lines
640 B
JavaScript
22 lines
640 B
JavaScript
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// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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function f(a, i, v) { a[i] = v; }
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f("make it generic", 0, 0);
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var a = new Array();
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Object.defineProperty(a, "length", {value: 3, writable: false});
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print(JSON.stringify(Object.getOwnPropertyDescriptor(a, "length")));
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assertEquals(3, a.length);
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f(a, 3, 3);
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assertFalse(Object.getOwnPropertyDescriptor(a, "length").writable);
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assertEquals(3, a.length);
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var b = new Array();
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b.length = 3;
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Object.freeze(b);
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assertEquals(3, b.length);
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f(b, 3, 3);
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assertEquals(3, b.length);
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