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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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96 a = makeRegexpInArray(); | 96 a = makeRegexpInArray(); |
97 var b = makeRegexpInArray(); | 97 var b = makeRegexpInArray(); |
98 assertTrue(a[0][0] === b[0][0]); | 98 assertTrue(a[0][0] === b[0][0]); |
99 assertFalse(a[0][1] === b[0][1]); | 99 assertFalse(a[0][1] === b[0][1]); |
100 | 100 |
101 function makeRegexpInObject() { return { a: { b: /b*/, c: {} } }; } | 101 function makeRegexpInObject() { return { a: { b: /b*/, c: {} } }; } |
102 a = makeRegexpInObject(); | 102 a = makeRegexpInObject(); |
103 b = makeRegexpInObject(); | 103 b = makeRegexpInObject(); |
104 assertTrue(a.a.b === b.a.b); | 104 assertTrue(a.a.b === b.a.b); |
105 assertFalse(a.a.c === b.a.c); | 105 assertFalse(a.a.c === b.a.c); |
| 106 |
| 107 |
| 108 // Test keywords valid as property names in initializers and dot-access. |
| 109 var keywords = [ |
| 110 "break", |
| 111 "case", |
| 112 "catch", |
| 113 "const", |
| 114 "continue", |
| 115 "debugger", |
| 116 "default", |
| 117 "delete", |
| 118 "do", |
| 119 "else", |
| 120 "false", |
| 121 "finally", |
| 122 "for", |
| 123 "function", |
| 124 "if", |
| 125 "in", |
| 126 "instanceof", |
| 127 "native", |
| 128 "new", |
| 129 "null", |
| 130 "return", |
| 131 "switch", |
| 132 "this", |
| 133 "throw", |
| 134 "true", |
| 135 "try", |
| 136 "typeof", |
| 137 "var", |
| 138 "void", |
| 139 "while", |
| 140 "with", |
| 141 ]; |
| 142 |
| 143 function testKeywordProperty(keyword) { |
| 144 try { |
| 145 // Sanity check that what we get is a keyword. |
| 146 eval("var " + keyword + " = 42;"); |
| 147 assertUnreachable("Not a keyword: " + keyword); |
| 148 } catch (e) { } |
| 149 |
| 150 // Simple property, read and write. |
| 151 var x = eval("({" + keyword + ": 42})"); |
| 152 assertEquals(42, x[keyword]); |
| 153 assertEquals(42, eval("x." + keyword)); |
| 154 eval("x." + keyword + " = 37"); |
| 155 assertEquals(37, x[keyword]); |
| 156 assertEquals(37, eval("x." + keyword)); |
| 157 |
| 158 // Getter/setter property, read and write. |
| 159 var y = eval("({value : 42, get " + keyword + "(){return this.value}," + |
| 160 " set " + keyword + "(v) { this.value = v; }})"); |
| 161 assertEquals(42, y[keyword]); |
| 162 assertEquals(42, eval("y." + keyword)); |
| 163 eval("y." + keyword + " = 37"); |
| 164 assertEquals(37, y[keyword]); |
| 165 assertEquals(37, eval("y." + keyword)); |
| 166 |
| 167 // Quoted keyword works is read back by unquoted as well. |
| 168 var z = eval("({\"" + keyword + "\": 42})"); |
| 169 assertEquals(42, z[keyword]); |
| 170 assertEquals(42, eval("z." + keyword)); |
| 171 |
| 172 // Function property, called. |
| 173 var was_called; |
| 174 function test_call() { this.was_called = true; was_called = true; } |
| 175 var w = eval("({" + keyword + ": test_call, was_called: false})"); |
| 176 eval("w." + keyword + "();"); |
| 177 assertTrue(was_called); |
| 178 assertTrue(w.was_called); |
| 179 |
| 180 // Function property, constructed. |
| 181 function construct() { this.constructed = true; } |
| 182 var v = eval("({" + keyword + ": construct})"); |
| 183 var vo = eval("new v." + keyword + "()"); |
| 184 assertTrue(vo instanceof construct); |
| 185 assertTrue(vo.constructed); |
| 186 } |
| 187 |
| 188 for (var i = 0; i < keywords.length; i++) { |
| 189 testKeywordProperty(keywords[i]); |
| 190 } |
| 191 |
| 192 // Test getter and setter properties with string/number literal names. |
| 193 |
| 194 var obj = {get 42() { return 42; }, |
| 195 get 3.14() { return "PI"; }, |
| 196 get "PI"() { return 3.14; }, |
| 197 readback: 0, |
| 198 set 37(v) { this.readback = v; }, |
| 199 set 1.44(v) { this.readback = v; }, |
| 200 set "Poo"(v) { this.readback = v; }} |
| 201 |
| 202 assertEquals(42, obj[42]); |
| 203 assertEquals("PI", obj[3.14]); |
| 204 assertEquals(3.14, obj["PI"]); |
| 205 obj[37] = "t1"; |
| 206 assertEquals("t1", obj.readback); |
| 207 obj[1.44] = "t2"; |
| 208 assertEquals("t2", obj.readback); |
| 209 obj["Poo"] = "t3"; |
| 210 assertEquals("t3", obj.readback); |
| 211 |
| 212 |
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