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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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