Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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. |
| 4 | |
| 5 | // Test that Array builtins can be called on primitive values. |
| 6 | var values = [ 23, 4.2, true, false, 0/0 ]; |
| 7 | for (var i = 0; i < values.length; ++i) { |
| 8 | var v = values[i]; |
| 9 | Array.prototype.join.call(v); |
| 10 | Array.prototype.pop.call(v); |
| 11 | Array.prototype.push.call(v); |
| 12 | Array.prototype.reverse.call(v); |
| 13 | Array.prototype.shift.call(v); |
| 14 | Array.prototype.slice.call(v); |
| 15 | Array.prototype.splice.call(v); |
| 16 | Array.prototype.unshift.call(v); |
| 17 | } |
| 18 | |
| 19 | // Test that ToObject on primitive values is only called once. |
| 20 | var length_receiver, element_receiver; |
| 21 | function length() { length_receiver = this; return 2; } |
| 22 | function element() { element_receiver = this; return "x"; } |
| 23 | Object.defineProperty(Number.prototype, "length", { get:length, set:length }); |
| 24 | Object.defineProperty(Number.prototype, "0", { get:element, set:element }); |
| 25 | Object.defineProperty(Number.prototype, "1", { get:element, set:element }); |
| 26 | Object.defineProperty(Number.prototype, "2", { get:element, set:element }); |
| 27 | function test_receiver(expected, call_string) { |
| 28 | assertDoesNotThrow(call_string); |
| 29 | assertEquals(new Number(expected), length_receiver); |
| 30 | assertSame(length_receiver, element_receiver); |
| 31 | } |
| 32 | |
| 33 | test_receiver(11, "Array.prototype.join.call(11)") |
| 34 | test_receiver(23, "Array.prototype.pop.call(23)"); |
| 35 | test_receiver(42, "Array.prototype.push.call(42, 'y')"); |
| 36 | test_receiver(49, "Array.prototype.reverse.call(49)"); |
| 37 | test_receiver(65, "Array.prototype.shift.call(65)"); |
| 38 | test_receiver(77, "Array.prototype.slice.call(77, 1)"); |
| 39 | test_receiver(88, "Array.prototype.splice.call(88, 1, 1)"); |
| 40 | test_receiver(99, "Array.prototype.unshift.call(99, 'z')"); |