| /* |
| * Any copyright is dedicated to the Public Domain. |
| * http://creativecommons.org/licenses/publicdomain/ |
| */ |
| |
| //----------------------------------------------------------------------------- |
| var BUGNUMBER = 614070; |
| var summary = 'Array.prototype.unshift without args'; |
| |
| print(BUGNUMBER + ": " + summary); |
| |
| /************** |
| * BEGIN TEST * |
| **************/ |
| |
| // ES6 ToLength clamps length values to 2^53 - 1. |
| // We currently clamp to 2^32 - 1 instead. See bug 924058. |
| var MAX_LENGTH = 0xffffffff; |
| |
| var a = {}; |
| a.length = MAX_LENGTH + 1; |
| assertEq([].unshift.call(a), MAX_LENGTH); |
| assertEq(a.length, MAX_LENGTH); |
| |
| function testGetSet(len, expected) { |
| var newlen; |
| var a = { get length() { return len; }, set length(v) { newlen = v; } }; |
| var res = [].unshift.call(a); |
| assertEq(res, expected); |
| assertEq(newlen, expected); |
| } |
| |
| testGetSet(0, 0); |
| testGetSet(10, 10); |
| testGetSet("1", 1); |
| testGetSet(null, 0); |
| testGetSet(MAX_LENGTH + 2, MAX_LENGTH); |
| testGetSet(-5, 0); |
| |
| /******************************************************************************/ |
| |
| if (typeof reportCompare === "function") |
| reportCompare(true, true); |
| |
| print("All tests passed!"); |