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1 // Copyright 2015 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Flags: --harmony-proxies --harmony-reflect | 5 // Flags: --harmony-proxies --harmony-reflect |
6 | 6 |
7 var target = { | 7 var target = { |
8 "target_one": 1 | 8 "target_one": 1 |
9 }; | 9 }; |
10 target.__proto__ = { | 10 target.__proto__ = { |
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49 assertEquals([], Reflect.ownKeys(proxy)); | 49 assertEquals([], Reflect.ownKeys(proxy)); |
50 keys.length = 1; | 50 keys.length = 1; |
51 assertEquals(["a"], Reflect.ownKeys(proxy)); | 51 assertEquals(["a"], Reflect.ownKeys(proxy)); |
52 keys.length = 3; | 52 keys.length = 3; |
53 assertEquals(["a", "b", "c"], Reflect.ownKeys(proxy)); | 53 assertEquals(["a", "b", "c"], Reflect.ownKeys(proxy)); |
54 // The spec wants to allow lengths up to 2^53, but we can't allocate arrays | 54 // The spec wants to allow lengths up to 2^53, but we can't allocate arrays |
55 // of that size, so we throw even for smaller values. | 55 // of that size, so we throw even for smaller values. |
56 keys.length = Math.pow(2, 33); | 56 keys.length = Math.pow(2, 33); |
57 assertThrows("Reflect.ownKeys(proxy)", RangeError); | 57 assertThrows("Reflect.ownKeys(proxy)", RangeError); |
58 | 58 |
| 59 // Check that we allow duplicated keys. |
| 60 keys = ['a', 'a', 'a'] |
| 61 assertEquals(keys, Reflect.ownKeys(proxy)); |
| 62 |
59 // Non-Name results throw. | 63 // Non-Name results throw. |
60 keys = [1]; | 64 keys = [1]; |
61 assertThrows("Reflect.ownKeys(proxy)", TypeError); | 65 assertThrows("Reflect.ownKeys(proxy)", TypeError); |
62 keys = [{}]; | 66 keys = [{}]; |
63 assertThrows("Reflect.ownKeys(proxy)", TypeError); | 67 assertThrows("Reflect.ownKeys(proxy)", TypeError); |
64 keys = [{toString: function() { return "foo"; }}]; | 68 keys = [{toString: function() { return "foo"; }}]; |
65 assertThrows("Reflect.ownKeys(proxy)", TypeError); | 69 assertThrows("Reflect.ownKeys(proxy)", TypeError); |
66 keys = [null]; | 70 keys = [null]; |
67 assertThrows("Reflect.ownKeys(proxy)", TypeError); | 71 assertThrows("Reflect.ownKeys(proxy)", TypeError); |
68 | 72 |
69 // Step 17a: The trap result must include all non-configurable keys. | 73 // Step 17a: The trap result must include all non-configurable keys. |
70 Object.defineProperty(target, "nonconf", {value: 1, configurable: false}); | 74 Object.defineProperty(target, "nonconf", {value: 1, configurable: false}); |
71 keys = ["foo"]; | 75 keys = ["foo"]; |
72 assertThrows("Reflect.ownKeys(proxy)", TypeError); | 76 assertThrows("Reflect.ownKeys(proxy)", TypeError); |
73 keys = ["nonconf"]; | 77 keys = ["nonconf"]; |
74 assertEquals(keys, Reflect.ownKeys(proxy)); | 78 assertEquals(keys, Reflect.ownKeys(proxy)); |
75 | 79 |
| 80 // Check that we allow duplicated keys. |
| 81 keys = ['nonconf', 'nonconf', 'nonconf'] |
| 82 assertEquals(keys, Reflect.ownKeys(proxy)); |
| 83 |
76 // Step 19a: The trap result must all keys of a non-extensible target. | 84 // Step 19a: The trap result must all keys of a non-extensible target. |
77 Object.preventExtensions(target); | 85 Object.preventExtensions(target); |
78 assertThrows("Reflect.ownKeys(proxy)", TypeError); | 86 assertThrows("Reflect.ownKeys(proxy)", TypeError); |
79 keys = ["nonconf", "target_one"]; | 87 keys = ["nonconf", "target_one"]; |
80 assertEquals(keys, Reflect.ownKeys(proxy)); | 88 assertEquals(keys, Reflect.ownKeys(proxy)); |
81 | 89 |
82 // Step 20: The trap result must not add keys to a non-extensible target. | 90 // Step 20: The trap result must not add keys to a non-extensible target. |
83 keys = ["nonconf", "target_one", "fantasy"]; | 91 keys = ["nonconf", "target_one", "fantasy"]; |
84 assertThrows("Reflect.ownKeys(proxy)", TypeError); | 92 assertThrows("Reflect.ownKeys(proxy)", TypeError); |
| 93 |
| 94 // Check that we allow duplicated keys. |
| 95 keys = ['nonconf', 'target_one', 'nonconf', 'nonconf', 'target_one',] |
| 96 assertEquals(keys, Reflect.ownKeys(proxy)); |
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