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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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20920 | 20920 |
20921 { | 20921 { |
20922 v8::HandleScope handle_scope(isolate); | 20922 v8::HandleScope handle_scope(isolate); |
20923 | 20923 |
20924 // Should work | 20924 // Should work |
20925 v8::Local<v8::Object> obj = v8::Object::New(isolate); | 20925 v8::Local<v8::Object> obj = v8::Object::New(isolate); |
20926 | 20926 |
20927 USE(obj); | 20927 USE(obj); |
20928 } | 20928 } |
20929 } | 20929 } |
| 20930 |
| 20931 |
| 20932 TEST(CompatibleReceiverCheckOnCachedICHandler) { |
| 20933 v8::Isolate* isolate = CcTest::isolate(); |
| 20934 v8::HandleScope scope(isolate); |
| 20935 v8::Local<v8::FunctionTemplate> parent = FunctionTemplate::New(isolate); |
| 20936 v8::Local<v8::Signature> signature = v8::Signature::New(isolate, parent); |
| 20937 auto returns_42 = |
| 20938 v8::FunctionTemplate::New(isolate, Returns42, Local<Value>(), signature); |
| 20939 parent->PrototypeTemplate()->SetAccessorProperty(v8_str("age"), returns_42); |
| 20940 v8::Local<v8::FunctionTemplate> child = v8::FunctionTemplate::New(isolate); |
| 20941 child->Inherit(parent); |
| 20942 LocalContext env; |
| 20943 env->Global()->Set(v8_str("Child"), child->GetFunction()); |
| 20944 |
| 20945 // Make sure there's a compiled stub for "Child.prototype.age" in the cache. |
| 20946 CompileRun( |
| 20947 "var real = new Child();\n" |
| 20948 "for (var i = 0; i < 3; ++i) {\n" |
| 20949 " real.age;\n" |
| 20950 "}\n"); |
| 20951 |
| 20952 // Check that the cached stub is never used. |
| 20953 ExpectInt32( |
| 20954 "var fake = Object.create(Child.prototype);\n" |
| 20955 "var result = 0;\n" |
| 20956 "function test(d) {\n" |
| 20957 " if (d == 3) return;\n" |
| 20958 " try {\n" |
| 20959 " fake.age;\n" |
| 20960 " result = 1;\n" |
| 20961 " } catch (e) {\n" |
| 20962 " }\n" |
| 20963 " test(d+1);\n" |
| 20964 "}\n" |
| 20965 "test(0);\n" |
| 20966 "result;\n", |
| 20967 0); |
| 20968 } |
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