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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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42 } | 42 } |
43 TestNew() | 43 TestNew() |
44 | 44 |
45 | 45 |
46 function TestType() { | 46 function TestType() { |
47 for (var i in symbols) { | 47 for (var i in symbols) { |
48 assertEquals("symbol", typeof symbols[i]) | 48 assertEquals("symbol", typeof symbols[i]) |
49 assertTrue(typeof symbols[i] === "symbol") | 49 assertTrue(typeof symbols[i] === "symbol") |
50 assertTrue(%SymbolIsPrivate(symbols[i])) | 50 assertTrue(%SymbolIsPrivate(symbols[i])) |
51 assertEquals(null, %_ClassOf(symbols[i])) | 51 assertEquals(null, %_ClassOf(symbols[i])) |
52 assertEquals("Symbol", %_ClassOf(new Symbol(symbols[i]))) | |
53 assertEquals("Symbol", %_ClassOf(Object(symbols[i]))) | 52 assertEquals("Symbol", %_ClassOf(Object(symbols[i]))) |
54 } | 53 } |
55 } | 54 } |
56 TestType() | 55 TestType() |
57 | 56 |
58 | 57 |
59 function TestPrototype() { | 58 function TestPrototype() { |
60 for (var i in symbols) { | 59 for (var i in symbols) { |
61 assertSame(Symbol.prototype, symbols[i].__proto__) | 60 assertSame(Symbol.prototype, symbols[i].__proto__) |
62 } | 61 } |
63 } | 62 } |
64 TestPrototype() | 63 TestPrototype() |
65 | 64 |
66 | 65 |
67 function TestConstructor() { | 66 function TestConstructor() { |
68 for (var i in symbols) { | 67 for (var i in symbols) { |
69 assertSame(Symbol, symbols[i].__proto__.constructor) | 68 assertSame(Symbol, symbols[i].__proto__.constructor) |
69 assertSame(Symbol, Object(symbols[i]).__proto__.constructor) | |
70 } | 70 } |
71 } | 71 } |
72 TestConstructor() | 72 TestConstructor() |
73 | 73 |
74 | 74 |
75 function TestName() { | |
76 for (var i in symbols) { | |
77 var name = symbols[i].name | |
78 assertTrue(name === "66") | |
79 } | |
80 } | |
81 TestName() | |
82 | |
83 | |
84 function TestToString() { | 75 function TestToString() { |
85 for (var i in symbols) { | 76 for (var i in symbols) { |
86 assertThrows(function() { String(symbols[i]) }, TypeError) | 77 assertThrows(function() { String(symbols[i]) }, TypeError) |
87 assertThrows(function() { symbols[i] + "" }, TypeError) | 78 assertThrows(function() { symbols[i] + "" }, TypeError) |
88 assertThrows(function() { symbols[i].toString() }, TypeError) | 79 assertDoesNotThrow(function() { symbols[i].toString() }) |
rossberg
2014/02/14 10:55:30
We should check the actual results here, not just
sof
2014/02/14 14:20:02
Done, carrying over the predicate from symbols.js
| |
89 assertThrows(function() { (new Symbol(symbols[i])).toString() }, TypeError) | 80 assertDoesNotThrow(function() { Object(symbols[i]).toString() }) |
90 assertThrows(function() { Object(symbols[i]).toString() }, TypeError) | 81 assertDoesNotThrow(function() { Symbol.prototype.toString.call(symbols[i]) } ) |
rossberg
2014/02/14 10:55:30
Nit: line length
| |
91 assertEquals("[object Symbol]", Object.prototype.toString.call(symbols[i])) | 82 assertEquals("[object Symbol]", Object.prototype.toString.call(symbols[i])) |
92 } | 83 } |
93 } | 84 } |
94 TestToString() | 85 TestToString() |
95 | 86 |
96 | 87 |
97 function TestToBoolean() { | 88 function TestToBoolean() { |
98 for (var i in symbols) { | 89 for (var i in symbols) { |
99 assertTrue(Boolean(symbols[i]).valueOf()) | 90 assertTrue(Boolean(symbols[i]).valueOf()) |
100 assertFalse(!symbols[i]) | 91 assertFalse(!symbols[i]) |
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121 | 112 |
122 | 113 |
123 function TestEquality() { | 114 function TestEquality() { |
124 // Every symbol should equal itself, and non-strictly equal its wrapper. | 115 // Every symbol should equal itself, and non-strictly equal its wrapper. |
125 for (var i in symbols) { | 116 for (var i in symbols) { |
126 assertSame(symbols[i], symbols[i]) | 117 assertSame(symbols[i], symbols[i]) |
127 assertEquals(symbols[i], symbols[i]) | 118 assertEquals(symbols[i], symbols[i]) |
128 assertTrue(Object.is(symbols[i], symbols[i])) | 119 assertTrue(Object.is(symbols[i], symbols[i])) |
129 assertTrue(symbols[i] === symbols[i]) | 120 assertTrue(symbols[i] === symbols[i]) |
130 assertTrue(symbols[i] == symbols[i]) | 121 assertTrue(symbols[i] == symbols[i]) |
131 assertFalse(symbols[i] === new Symbol(symbols[i])) | 122 assertTrue(symbols[i] === symbols[i].valueOf()) |
rossberg
2014/02/14 10:55:30
We should keep the equivalent of the previous test
sof
2014/02/14 14:20:02
Done.
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132 assertFalse(new Symbol(symbols[i]) === symbols[i]) | 123 assertTrue(symbols[i].valueOf() === symbols[i]) |
133 assertTrue(symbols[i] == new Symbol(symbols[i])) | 124 assertTrue(symbols[i] == symbols[i].valueOf()) |
134 assertTrue(new Symbol(symbols[i]) == symbols[i]) | 125 assertTrue(symbols[i].valueOf() == symbols[i]) |
135 } | 126 } |
136 | 127 |
137 // All symbols should be distinct. | 128 // All symbols should be distinct. |
138 for (var i = 0; i < symbols.length; ++i) { | 129 for (var i = 0; i < symbols.length; ++i) { |
139 for (var j = i + 1; j < symbols.length; ++j) { | 130 for (var j = i + 1; j < symbols.length; ++j) { |
140 assertFalse(Object.is(symbols[i], symbols[j])) | 131 assertFalse(Object.is(symbols[i], symbols[j])) |
141 assertFalse(symbols[i] === symbols[j]) | 132 assertFalse(symbols[i] === symbols[j]) |
142 assertFalse(symbols[i] == symbols[j]) | 133 assertFalse(symbols[i] == symbols[j]) |
143 } | 134 } |
144 } | 135 } |
145 | 136 |
146 // Symbols should not be equal to any other value (and the test terminates). | 137 // Symbols should not be equal to any other value (and the test terminates). |
147 var values = [347, 1.275, NaN, "string", null, undefined, {}, function() {}] | 138 var values = [347, 1.275, NaN, "string", null, undefined, {}, function() {}] |
148 for (var i in symbols) { | 139 for (var i in symbols) { |
149 for (var j in values) { | 140 for (var j in values) { |
150 assertFalse(symbols[i] === values[j]) | 141 assertFalse(symbols[i] === values[j]) |
151 assertFalse(values[j] === symbols[i]) | 142 assertFalse(values[j] === symbols[i]) |
152 assertFalse(symbols[i] == values[j]) | 143 assertFalse(symbols[i] == values[j]) |
153 assertFalse(values[j] == symbols[i]) | 144 assertFalse(values[j] == symbols[i]) |
154 } | 145 } |
155 } | 146 } |
156 } | 147 } |
157 TestEquality() | 148 TestEquality() |
158 | 149 |
159 | 150 |
160 function TestGet() { | 151 function TestGet() { |
161 for (var i in symbols) { | 152 for (var i in symbols) { |
162 assertThrows(function() { symbols[i].toString() }, TypeError) | 153 assertDoesNotThrow(function() { symbols[i].toString() }) |
rossberg
2014/02/14 10:55:30
Check result.
sof
2014/02/14 14:20:02
Done.
| |
163 assertEquals(symbols[i], symbols[i].valueOf()) | 154 assertEquals(symbols[i], symbols[i].valueOf()) |
164 assertEquals(undefined, symbols[i].a) | 155 assertEquals(undefined, symbols[i].a) |
165 assertEquals(undefined, symbols[i]["a" + "b"]) | 156 assertEquals(undefined, symbols[i]["a" + "b"]) |
166 assertEquals(undefined, symbols[i]["" + "1"]) | 157 assertEquals(undefined, symbols[i]["" + "1"]) |
167 assertEquals(undefined, symbols[i][62]) | 158 assertEquals(undefined, symbols[i][62]) |
168 } | 159 } |
169 } | 160 } |
170 TestGet() | 161 TestGet() |
171 | 162 |
172 | 163 |
173 function TestSet() { | 164 function TestSet() { |
174 for (var i in symbols) { | 165 for (var i in symbols) { |
175 symbols[i].toString = 0 | 166 symbols[i].toString = 0 |
176 assertThrows(function() { symbols[i].toString() }, TypeError) | 167 assertDoesNotThrow(function() { symbols[i].toString() }) |
rossberg
2014/02/14 10:55:30
Check result.
sof
2014/02/14 14:20:02
Done.
| |
177 symbols[i].valueOf = 0 | 168 symbols[i].valueOf = 0 |
178 assertEquals(symbols[i], symbols[i].valueOf()) | 169 assertEquals(symbols[i], symbols[i].valueOf()) |
179 symbols[i].a = 0 | 170 symbols[i].a = 0 |
180 assertEquals(undefined, symbols[i].a) | 171 assertEquals(undefined, symbols[i].a) |
181 symbols[i]["a" + "b"] = 0 | 172 symbols[i]["a" + "b"] = 0 |
182 assertEquals(undefined, symbols[i]["a" + "b"]) | 173 assertEquals(undefined, symbols[i]["a" + "b"]) |
183 symbols[i][62] = 0 | 174 symbols[i][62] = 0 |
184 assertEquals(undefined, symbols[i][62]) | 175 assertEquals(undefined, symbols[i][62]) |
185 } | 176 } |
186 } | 177 } |
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315 // but not between scavenges. This must also apply for symbol keys. | 306 // but not between scavenges. This must also apply for symbol keys. |
316 var key = Symbol("key"); | 307 var key = Symbol("key"); |
317 var a = {}; | 308 var a = {}; |
318 a[key] = "abc"; | 309 a[key] = "abc"; |
319 | 310 |
320 for (var i = 0; i < 100000; i++) { | 311 for (var i = 0; i < 100000; i++) { |
321 a[key] += "a"; // Allocations cause a scavenge. | 312 a[key] += "a"; // Allocations cause a scavenge. |
322 } | 313 } |
323 } | 314 } |
324 TestCachedKeyAfterScavenge(); | 315 TestCachedKeyAfterScavenge(); |
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