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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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1050 // Regression test: Ensure that growing dictionaries are not ignored. | 1050 // Regression test: Ensure that growing dictionaries are not ignored. |
1051 o = {}; | 1051 o = {}; |
1052 for (var i = 0; i < 1000; i++) { | 1052 for (var i = 0; i < 1000; i++) { |
1053 // Non-enumerable property forces dictionary mode. | 1053 // Non-enumerable property forces dictionary mode. |
1054 Object.defineProperty(o, i, {value: i, enumerable: false}); | 1054 Object.defineProperty(o, i, {value: i, enumerable: false}); |
1055 } | 1055 } |
1056 assertEquals(999, o[999]); | 1056 assertEquals(999, o[999]); |
1057 | 1057 |
1058 | 1058 |
1059 // Regression test: Bizzare behavior on non-strict arguments object. | 1059 // Regression test: Bizzare behavior on non-strict arguments object. |
| 1060 // TODO(mstarzinger): Tests disabled, see bug 2261 |
| 1061 /* |
1060 (function test(arg0) { | 1062 (function test(arg0) { |
1061 // Here arguments[0] is a fast alias on arg0. | 1063 // Here arguments[0] is a fast alias on arg0. |
1062 Object.defineProperty(arguments, "0", { | 1064 Object.defineProperty(arguments, "0", { |
1063 value:1, | 1065 value:1, |
1064 enumerable:false | 1066 enumerable:false |
1065 }); | 1067 }); |
1066 // Here arguments[0] is a slow alias on arg0. | 1068 // Here arguments[0] is a slow alias on arg0. |
1067 Object.defineProperty(arguments, "0", { | 1069 Object.defineProperty(arguments, "0", { |
1068 value:2, | 1070 value:2, |
1069 writable:false | 1071 writable:false |
1070 }); | 1072 }); |
1071 // Here arguments[0] is no alias at all. | 1073 // Here arguments[0] is no alias at all. |
1072 Object.defineProperty(arguments, "0", { | 1074 Object.defineProperty(arguments, "0", { |
1073 value:3 | 1075 value:3 |
1074 }); | 1076 }); |
1075 assertEquals(2, arg0); | 1077 assertEquals(2, arg0); |
1076 assertEquals(3, arguments[0]); | 1078 assertEquals(3, arguments[0]); |
1077 })(0); | 1079 })(0); |
1078 | 1080 */ |
1079 | 1081 |
1080 // Regression test: We should never observe the hole value. | 1082 // Regression test: We should never observe the hole value. |
1081 var objectWithGetter = {}; | 1083 var objectWithGetter = {}; |
1082 objectWithGetter.__defineGetter__('foo', function() {}); | 1084 objectWithGetter.__defineGetter__('foo', function() {}); |
1083 assertEquals(undefined, objectWithGetter.__lookupSetter__('foo')); | 1085 assertEquals(undefined, objectWithGetter.__lookupSetter__('foo')); |
1084 | 1086 |
1085 var objectWithSetter = {}; | 1087 var objectWithSetter = {}; |
1086 objectWithSetter.__defineSetter__('foo', function(x) {}); | 1088 objectWithSetter.__defineSetter__('foo', function(x) {}); |
1087 assertEquals(undefined, objectWithSetter.__lookupGetter__('foo')); | 1089 assertEquals(undefined, objectWithSetter.__lookupGetter__('foo')); |
1088 | 1090 |
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1181 o.blubb = 123; | 1183 o.blubb = 123; |
1182 } | 1184 } |
1183 | 1185 |
1184 function C() {} | 1186 function C() {} |
1185 | 1187 |
1186 Assign(new C); | 1188 Assign(new C); |
1187 Assign(new C); | 1189 Assign(new C); |
1188 %OptimizeFunctionOnNextCall(Assign); | 1190 %OptimizeFunctionOnNextCall(Assign); |
1189 Object.defineProperty(C.prototype, "blubb", {get: function() { return -42; }}); | 1191 Object.defineProperty(C.prototype, "blubb", {get: function() { return -42; }}); |
1190 Assign(new C); | 1192 Assign(new C); |
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