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1 // Copyright 2007-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2007-2009 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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8409 v8::String::Utf8Value value(try_catch.Exception()); | 8409 v8::String::Utf8Value value(try_catch.Exception()); |
8410 CHECK_EQ(0, strcmp(*value, "Hey!")); | 8410 CHECK_EQ(0, strcmp(*value, "Hey!")); |
8411 } | 8411 } |
8412 | 8412 |
8413 | 8413 |
8414 static int GetGlobalObjectsCount() { | 8414 static int GetGlobalObjectsCount() { |
8415 int count = 0; | 8415 int count = 0; |
8416 v8::internal::HeapIterator it; | 8416 v8::internal::HeapIterator it; |
8417 while (it.has_next()) { | 8417 while (it.has_next()) { |
8418 v8::internal::HeapObject* object = it.next(); | 8418 v8::internal::HeapObject* object = it.next(); |
8419 if (object->IsJSGlobalObject()) { | 8419 if (object->IsJSGlobalObject()) count++; |
8420 count++; | |
8421 } | |
8422 } | 8420 } |
8423 #ifdef DEBUG | |
8424 if (count > 0) v8::internal::Heap::TracePathToGlobal(); | |
8425 #endif | |
8426 return count; | 8421 return count; |
8427 } | 8422 } |
8428 | 8423 |
8429 | 8424 |
8430 TEST(Regress528) { | 8425 TEST(Regress528) { |
8431 v8::V8::Initialize(); | 8426 v8::V8::Initialize(); |
8432 | 8427 |
8433 v8::HandleScope scope; | 8428 v8::HandleScope scope; |
8434 v8::Persistent<Context> context; | 8429 v8::Persistent<Context> context; |
| 8430 v8::Persistent<Context> other_context; |
8435 int gc_count; | 8431 int gc_count; |
8436 | 8432 |
| 8433 // Create a context used to keep the code from aging in the compilation |
| 8434 // cache. |
| 8435 other_context = Context::New(); |
| 8436 |
8437 // Context-dependent context data creates reference from the compilation | 8437 // Context-dependent context data creates reference from the compilation |
8438 // cache to the global object. | 8438 // cache to the global object. |
| 8439 const char* source_simple = "1"; |
8439 context = Context::New(); | 8440 context = Context::New(); |
8440 { | 8441 { |
8441 v8::HandleScope scope; | 8442 v8::HandleScope scope; |
8442 | 8443 |
8443 context->Enter(); | 8444 context->Enter(); |
8444 Local<v8::String> obj = v8::String::New(""); | 8445 Local<v8::String> obj = v8::String::New(""); |
8445 context->SetData(obj); | 8446 context->SetData(obj); |
8446 CompileRun("1"); | 8447 CompileRun(source_simple); |
8447 context->Exit(); | 8448 context->Exit(); |
8448 } | 8449 } |
8449 context.Dispose(); | 8450 context.Dispose(); |
8450 for (gc_count = 1; gc_count < 10; gc_count++) { | 8451 for (gc_count = 1; gc_count < 10; gc_count++) { |
| 8452 other_context->Enter(); |
| 8453 CompileRun(source_simple); |
| 8454 other_context->Exit(); |
8451 v8::internal::Heap::CollectAllGarbage(false); | 8455 v8::internal::Heap::CollectAllGarbage(false); |
8452 if (GetGlobalObjectsCount() == 0) break; | 8456 if (GetGlobalObjectsCount() == 1) break; |
8453 } | 8457 } |
8454 CHECK_EQ(0, GetGlobalObjectsCount()); | 8458 CHECK_GE(2, gc_count); |
8455 CHECK_EQ(2, gc_count); | 8459 CHECK_EQ(1, GetGlobalObjectsCount()); |
8456 | 8460 |
8457 // Eval in a function creates reference from the compilation cache to the | 8461 // Eval in a function creates reference from the compilation cache to the |
8458 // global object. | 8462 // global object. |
| 8463 const char* source_eval = "function f(){eval('1')}; f()"; |
8459 context = Context::New(); | 8464 context = Context::New(); |
8460 { | 8465 { |
8461 v8::HandleScope scope; | 8466 v8::HandleScope scope; |
8462 | 8467 |
8463 context->Enter(); | 8468 context->Enter(); |
8464 CompileRun("function f(){eval('1')}; f()"); | 8469 CompileRun(source_eval); |
8465 context->Exit(); | 8470 context->Exit(); |
8466 } | 8471 } |
8467 context.Dispose(); | 8472 context.Dispose(); |
8468 for (gc_count = 1; gc_count < 10; gc_count++) { | 8473 for (gc_count = 1; gc_count < 10; gc_count++) { |
| 8474 other_context->Enter(); |
| 8475 CompileRun(source_eval); |
| 8476 other_context->Exit(); |
8469 v8::internal::Heap::CollectAllGarbage(false); | 8477 v8::internal::Heap::CollectAllGarbage(false); |
8470 if (GetGlobalObjectsCount() == 0) break; | 8478 if (GetGlobalObjectsCount() == 1) break; |
8471 } | 8479 } |
8472 CHECK_GE(2, gc_count); | 8480 CHECK(gc_count <= 2); |
8473 CHECK_EQ(1, GetGlobalObjectsCount()); | 8481 CHECK_EQ(1, GetGlobalObjectsCount()); |
8474 | 8482 |
8475 // Looking up the line number for an exception creates reference from the | 8483 // Looking up the line number for an exception creates reference from the |
8476 // compilation cache to the global object. | 8484 // compilation cache to the global object. |
| 8485 const char* source_exception = "function f(){throw 1;} f()"; |
8477 context = Context::New(); | 8486 context = Context::New(); |
8478 { | 8487 { |
8479 v8::HandleScope scope; | 8488 v8::HandleScope scope; |
8480 | 8489 |
8481 context->Enter(); | 8490 context->Enter(); |
8482 v8::TryCatch try_catch; | 8491 v8::TryCatch try_catch; |
8483 CompileRun("function f(){throw 1;}; f()"); | 8492 CompileRun(source_exception); |
8484 CHECK(try_catch.HasCaught()); | 8493 CHECK(try_catch.HasCaught()); |
8485 v8::Handle<v8::Message> message = try_catch.Message(); | 8494 v8::Handle<v8::Message> message = try_catch.Message(); |
8486 CHECK(!message.IsEmpty()); | 8495 CHECK(!message.IsEmpty()); |
8487 CHECK_EQ(1, message->GetLineNumber()); | 8496 CHECK_EQ(1, message->GetLineNumber()); |
8488 context->Exit(); | 8497 context->Exit(); |
8489 } | 8498 } |
8490 context.Dispose(); | 8499 context.Dispose(); |
8491 for (gc_count = 1; gc_count < 10; gc_count++) { | 8500 for (gc_count = 1; gc_count < 10; gc_count++) { |
| 8501 other_context->Enter(); |
| 8502 CompileRun(source_exception); |
| 8503 other_context->Exit(); |
8492 v8::internal::Heap::CollectAllGarbage(false); | 8504 v8::internal::Heap::CollectAllGarbage(false); |
8493 if (GetGlobalObjectsCount() == 0) break; | 8505 if (GetGlobalObjectsCount() == 1) break; |
8494 } | 8506 } |
8495 CHECK_EQ(0, GetGlobalObjectsCount()); | 8507 CHECK_GE(2, gc_count); |
8496 CHECK_EQ(2, gc_count); | 8508 CHECK_EQ(1, GetGlobalObjectsCount()); |
| 8509 |
| 8510 other_context.Dispose(); |
8497 } | 8511 } |
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