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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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69 array = [ | 69 array = [ |
70 "E", "LN10", "LN2", "LOG2E", "LOG10E", "PI", "SQRT1_2", "SQRT2"]; | 70 "E", "LN10", "LN2", "LOG2E", "LOG10E", "PI", "SQRT1_2", "SQRT2"]; |
71 CheckDontDelete(Math, array, "Math2"); | 71 CheckDontDelete(Math, array, "Math2"); |
72 | 72 |
73 array = [ | 73 array = [ |
74 "escape", "unescape", "decodeURI", "decodeURIComponent", "encodeURI", | 74 "escape", "unescape", "decodeURI", "decodeURIComponent", "encodeURI", |
75 "encodeURIComponent", "isNaN", "isFinite", "parseInt", "parseFloat", "eval", | 75 "encodeURIComponent", "isNaN", "isFinite", "parseInt", "parseFloat", "eval", |
76 "execScript"]; | 76 "execScript"]; |
77 CheckEcmaSemantics(this, array, "Global"); | 77 CheckEcmaSemantics(this, array, "Global"); |
78 CheckReadOnlyAttr(this, "Infinity"); | 78 CheckReadOnlyAttr(this, "Infinity"); |
| 79 CheckReadOnlyAttr(this, "NaN"); |
| 80 CheckReadOnlyAttr(this, "undefined"); |
79 | 81 |
80 array = ["exec", "test", "toString", "compile"]; | 82 array = ["exec", "test", "toString", "compile"]; |
81 CheckEcmaSemantics(RegExp.prototype, array, "RegExp prototype"); | 83 CheckEcmaSemantics(RegExp.prototype, array, "RegExp prototype"); |
82 | 84 |
83 array = [ | 85 array = [ |
84 "toString", "toLocaleString", "valueOf", "hasOwnProperty", | 86 "toString", "toLocaleString", "valueOf", "hasOwnProperty", |
85 "isPrototypeOf", "propertyIsEnumerable", "__defineGetter__", | 87 "isPrototypeOf", "propertyIsEnumerable", "__defineGetter__", |
86 "__lookupGetter__", "__defineSetter__", "__lookupSetter__"]; | 88 "__lookupGetter__", "__defineSetter__", "__lookupSetter__"]; |
87 CheckEcmaSemantics(Object.prototype, array, "Object prototype"); | 89 CheckEcmaSemantics(Object.prototype, array, "Object prototype"); |
88 | 90 |
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182 | 184 |
183 | 185 |
184 function CheckReadOnlyAttr(type, prop) { | 186 function CheckReadOnlyAttr(type, prop) { |
185 var old = type[prop]; | 187 var old = type[prop]; |
186 if (!type[prop]) return; | 188 if (!type[prop]) return; |
187 assertTrue(type.hasOwnProperty(prop), "inherited: " + prop); | 189 assertTrue(type.hasOwnProperty(prop), "inherited: " + prop); |
188 var deleted = delete type[prop]; | 190 var deleted = delete type[prop]; |
189 assertFalse(deleted, "delete operator returned true: " + prop); | 191 assertFalse(deleted, "delete operator returned true: " + prop); |
190 assertTrue(type.hasOwnProperty(prop), "not there after delete: " + prop); | 192 assertTrue(type.hasOwnProperty(prop), "not there after delete: " + prop); |
191 type[prop] = "foo"; | 193 type[prop] = "foo"; |
192 assertEquals("foo", type[prop], "overwritable: " + prop); | 194 assertEquals(old, type[prop], "overwritable: " + prop); |
193 } | 195 } |
194 | 196 |
195 print("OK"); | 197 print("OK"); |
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