1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // Flags: --allow-natives-syntax
7 Object.defineProperty(Array.prototype, "1", {
8 get: function() { return "element 1"; },
9 set: function(value) { }
11 function test(array) {
16 var result = test(["0",,2]);
17 assertEquals(["element 1","element 1"], result);
18 assertTrue(result.hasOwnProperty("0"));
19 assertFalse(result.hasOwnProperty("1"));
20 result = test([{},,{}]);
21 assertEquals(["element 1","element 1"], result);
22 assertTrue(result.hasOwnProperty("0"));
23 assertFalse(result.hasOwnProperty("1"));
24 %OptimizeFunctionOnNextCall(test);
25 result = test([{},,0]);
26 assertEquals(["element 1","element 1"], result);
27 assertTrue(result.hasOwnProperty("0"));
28 assertFalse(result.hasOwnProperty("1"));