| // Copyright 2019 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| function f_1() { |
| var v = new Array(); |
| v[0] = 10; |
| return v; |
| } |
| |
| function test() { |
| var setter_called = false; |
| // Turn array to NumberDictionary |
| Array.prototype[123456789] = 42; |
| assertEquals(f_1().length, 1); |
| |
| // Reset to empty_slow_dictionary |
| Array.prototype.length = 0; |
| |
| // This should reset the prototype validity cell. |
| Array.prototype.__defineSetter__("0", function() {setter_called = true}); |
| f_1(); |
| assertEquals(setter_called, true); |
| } |
| test(); |
