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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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51 | 51 |
52 assertEquals(7, a.pop(), "7th pop"); | 52 assertEquals(7, a.pop(), "7th pop"); |
53 assertEquals(0, a.length, "length 7th pop"); | 53 assertEquals(0, a.length, "length 7th pop"); |
54 | 54 |
55 assertEquals(undefined, a.pop(), "8th pop"); | 55 assertEquals(undefined, a.pop(), "8th pop"); |
56 assertEquals(0, a.length, "length 8th pop"); | 56 assertEquals(0, a.length, "length 8th pop"); |
57 | 57 |
58 assertEquals(undefined, a.pop(1, 2, 3), "9th pop"); | 58 assertEquals(undefined, a.pop(1, 2, 3), "9th pop"); |
59 assertEquals(0, a.length, "length 9th pop"); | 59 assertEquals(0, a.length, "length 9th pop"); |
60 } | 60 } |
| 61 |
| 62 // Check that pop works on inherited properties. |
| 63 for (var i = 0; i < 10 ;i++) { // Ensure ICs are stabilized. |
| 64 Array.prototype[1] = 1; |
| 65 Array.prototype[3] = 3; |
| 66 Array.prototype[5] = 5; |
| 67 Array.prototype[7] = 7; |
| 68 Array.prototype[9] = 9; |
| 69 a = [0,1,2,,4,,6,7,8,,]; |
| 70 assertEquals(10, a.length, "inherit-initial-length"); |
| 71 for (var j = 9; j >= 0; j--) { |
| 72 assertEquals(j + 1, a.length, "inherit-pre-length-" + j); |
| 73 assertTrue(j in a, "has property " + j); |
| 74 var own = a.hasOwnProperty(j); |
| 75 var inherited = Array.prototype.hasOwnProperty(j); |
| 76 assertEquals(j, a.pop(), "inherit-pop"); |
| 77 assertEquals(j, a.length, "inherit-post-length"); |
| 78 assertFalse(a.hasOwnProperty(j), "inherit-deleted-own-" + j); |
| 79 assertEquals(inherited, Array.prototype.hasOwnProperty(j), |
| 80 "inherit-not-deleted-inherited" + j); |
| 81 } |
| 82 Array.prototype.length = 0; // Clean-up. |
| 83 } |
61 })(); | 84 })(); |
62 | 85 |
63 // Test the case of not JSArray receiver. | 86 // Test the case of not JSArray receiver. |
64 // Regression test for custom call generators, see issue 684. | 87 // Regression test for custom call generators, see issue 684. |
65 (function() { | 88 (function() { |
66 var a = []; | 89 var a = []; |
67 for (var i = 0; i < 100; i++) a.push(i); | 90 for (var i = 0; i < 100; i++) a.push(i); |
68 var x = {__proto__: a}; | 91 var x = {__proto__: a}; |
69 for (var i = 0; i < 100; i++) { | 92 for (var i = 0; i < 100; i++) { |
70 assertEquals(99 - i, x.pop(), i + 'th iteration'); | 93 assertEquals(99 - i, x.pop(), i + 'th iteration'); |
71 } | 94 } |
72 })(); | 95 })(); |
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