26 lines
639 B
JavaScript
26 lines
639 B
JavaScript
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// Copyright 2019 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_1() {
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var v = new Array();
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v[0] = 10;
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return v;
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}
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function test() {
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var setter_called = false;
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// Turn array to NumberDictionary
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Array.prototype[123456789] = 42;
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assertEquals(f_1().length, 1);
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// Reset to empty_slow_dictionary
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Array.prototype.length = 0;
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// This should reset the prototype validity cell.
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Array.prototype.__defineSetter__("0", function() {setter_called = true});
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f_1();
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assertEquals(setter_called, true);
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}
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test();
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