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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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