43 lines
811 B
JavaScript
43 lines
811 B
JavaScript
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// Copyright 2014 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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// Flags: --allow-natives-syntax
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function set_length(a, l) {
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a.length = l;
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}
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function test1() {
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var l = {};
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var a = Array(l);
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set_length(a, 3);
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set_length(a, 3);
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assertEquals(3, a.length);
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}
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function test2() {
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var a = [];
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set_length(a, 10);
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set_length(a, 10);
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Object.freeze(a);
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set_length(a, 3);
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set_length(a, 3);
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assertEquals(10, a.length);
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}
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function test3() {
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var a = [2];
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Object.defineProperty(a, "length", {value:2, writable: false});
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%ToFastProperties(a);
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set_length([], 10);
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set_length([], 10);
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set_length(a, 10);
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set_length(a, 10);
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assertEquals(2, a.length);
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}
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test1();
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test2();
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test3();
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