| Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 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. |
| 4 | |
| 5 | var i = Math.pow(2, 31); |
| 6 | var a = []; |
| 7 | a[i] = 31; |
| 8 | var b = []; |
| 9 | b[i - 2] = 33; |
| 10 | try { |
| 11 | // This is supposed to throw a RangeError. |
| 12 | var c = a.concat(b); |
| 13 | // If it didn't, ObservableSetLength will detect the problem. |
| 14 | Object.observe(c, function() {}); |
| 15 | c.length = 1; |
| 16 | } catch(e) { |
| 17 | assertTrue(e instanceof RangeError); |
| 18 | } |