| // Copyright 2009 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "src/v8.h" |
| #include "test/cctest/cctest.h" |
| |
| #include "src/base/platform/platform.h" |
| |
| |
| v8::base::Semaphore* semaphore = NULL; |
| |
| |
| void Signal(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| semaphore->Signal(); |
| } |
| |
| |
| void TerminateCurrentThread(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate())); |
| v8::V8::TerminateExecution(args.GetIsolate()); |
| } |
| |
| |
| void Fail(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| CHECK(false); |
| } |
| |
| |
| void Loop(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate())); |
| v8::Handle<v8::String> source = v8::String::NewFromUtf8( |
| args.GetIsolate(), "try { doloop(); fail(); } catch(e) { fail(); }"); |
| v8::Handle<v8::Value> result = v8::Script::Compile(source)->Run(); |
| CHECK(result.IsEmpty()); |
| CHECK(v8::V8::IsExecutionTerminating(args.GetIsolate())); |
| } |
| |
| |
| void DoLoop(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| v8::TryCatch try_catch; |
| CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate())); |
| v8::Script::Compile(v8::String::NewFromUtf8(args.GetIsolate(), |
| "function f() {" |
| " var term = true;" |
| " try {" |
| " while(true) {" |
| " if (term) terminate();" |
| " term = false;" |
| " }" |
| " fail();" |
| " } catch(e) {" |
| " fail();" |
| " }" |
| "}" |
| "f()"))->Run(); |
| CHECK(try_catch.HasCaught()); |
| CHECK(try_catch.Exception()->IsNull()); |
| CHECK(try_catch.Message().IsEmpty()); |
| CHECK(!try_catch.CanContinue()); |
| CHECK(v8::V8::IsExecutionTerminating(args.GetIsolate())); |
| } |
| |
| |
| void DoLoopNoCall(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| v8::TryCatch try_catch; |
| CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate())); |
| v8::Script::Compile(v8::String::NewFromUtf8(args.GetIsolate(), |
| "var term = true;" |
| "while(true) {" |
| " if (term) terminate();" |
| " term = false;" |
| "}"))->Run(); |
| CHECK(try_catch.HasCaught()); |
| CHECK(try_catch.Exception()->IsNull()); |
| CHECK(try_catch.Message().IsEmpty()); |
| CHECK(!try_catch.CanContinue()); |
| CHECK(v8::V8::IsExecutionTerminating(args.GetIsolate())); |
| } |
| |
| |
| v8::Handle<v8::ObjectTemplate> CreateGlobalTemplate( |
| v8::Isolate* isolate, |
| v8::FunctionCallback terminate, |
| v8::FunctionCallback doloop) { |
| v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate); |
| global->Set(v8::String::NewFromUtf8(isolate, "terminate"), |
| v8::FunctionTemplate::New(isolate, terminate)); |
| global->Set(v8::String::NewFromUtf8(isolate, "fail"), |
| v8::FunctionTemplate::New(isolate, Fail)); |
| global->Set(v8::String::NewFromUtf8(isolate, "loop"), |
| v8::FunctionTemplate::New(isolate, Loop)); |
| global->Set(v8::String::NewFromUtf8(isolate, "doloop"), |
| v8::FunctionTemplate::New(isolate, doloop)); |
| return global; |
| } |
| |
| |
| // Test that a single thread of JavaScript execution can terminate |
| // itself. |
| TEST(TerminateOnlyV8ThreadFromThreadItself) { |
| v8::HandleScope scope(CcTest::isolate()); |
| v8::Handle<v8::ObjectTemplate> global = |
| CreateGlobalTemplate(CcTest::isolate(), TerminateCurrentThread, DoLoop); |
| v8::Handle<v8::Context> context = |
| v8::Context::New(CcTest::isolate(), NULL, global); |
| v8::Context::Scope context_scope(context); |
| CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate())); |
| // Run a loop that will be infinite if thread termination does not work. |
| v8::Handle<v8::String> source = v8::String::NewFromUtf8( |
| CcTest::isolate(), "try { loop(); fail(); } catch(e) { fail(); }"); |
| v8::Script::Compile(source)->Run(); |
| // Test that we can run the code again after thread termination. |
| CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate())); |
| v8::Script::Compile(source)->Run(); |
| } |
| |
| |
| // Test that a single thread of JavaScript execution can terminate |
| // itself in a loop that performs no calls. |
| TEST(TerminateOnlyV8ThreadFromThreadItselfNoLoop) { |
| v8::HandleScope scope(CcTest::isolate()); |
| v8::Handle<v8::ObjectTemplate> global = CreateGlobalTemplate( |
| CcTest::isolate(), TerminateCurrentThread, DoLoopNoCall); |
| v8::Handle<v8::Context> context = |
| v8::Context::New(CcTest::isolate(), NULL, global); |
| v8::Context::Scope context_scope(context); |
| CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate())); |
| // Run a loop that will be infinite if thread termination does not work. |
| v8::Handle<v8::String> source = v8::String::NewFromUtf8( |
| CcTest::isolate(), "try { loop(); fail(); } catch(e) { fail(); }"); |
| v8::Script::Compile(source)->Run(); |
| CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate())); |
| // Test that we can run the code again after thread termination. |
| v8::Script::Compile(source)->Run(); |
| } |
| |
| |
| class TerminatorThread : public v8::base::Thread { |
| public: |
| explicit TerminatorThread(i::Isolate* isolate) |
| : Thread(Options("TerminatorThread")), |
| isolate_(reinterpret_cast<v8::Isolate*>(isolate)) {} |
| void Run() { |
| semaphore->Wait(); |
| CHECK(!v8::V8::IsExecutionTerminating(isolate_)); |
| v8::V8::TerminateExecution(isolate_); |
| } |
| |
| private: |
| v8::Isolate* isolate_; |
| }; |
| |
| |
| // Test that a single thread of JavaScript execution can be terminated |
| // from the side by another thread. |
| TEST(TerminateOnlyV8ThreadFromOtherThread) { |
| semaphore = new v8::base::Semaphore(0); |
| TerminatorThread thread(CcTest::i_isolate()); |
| thread.Start(); |
| |
| v8::HandleScope scope(CcTest::isolate()); |
| v8::Handle<v8::ObjectTemplate> global = |
| CreateGlobalTemplate(CcTest::isolate(), Signal, DoLoop); |
| v8::Handle<v8::Context> context = |
| v8::Context::New(CcTest::isolate(), NULL, global); |
| v8::Context::Scope context_scope(context); |
| CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate())); |
| // Run a loop that will be infinite if thread termination does not work. |
| v8::Handle<v8::String> source = v8::String::NewFromUtf8( |
| CcTest::isolate(), "try { loop(); fail(); } catch(e) { fail(); }"); |
| v8::Script::Compile(source)->Run(); |
| |
| thread.Join(); |
| delete semaphore; |
| semaphore = NULL; |
| } |
| |
| |
| int call_count = 0; |
| |
| |
| void TerminateOrReturnObject(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| if (++call_count == 10) { |
| CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate())); |
| v8::V8::TerminateExecution(args.GetIsolate()); |
| return; |
| } |
| v8::Local<v8::Object> result = v8::Object::New(args.GetIsolate()); |
| result->Set(v8::String::NewFromUtf8(args.GetIsolate(), "x"), |
| v8::Integer::New(args.GetIsolate(), 42)); |
| args.GetReturnValue().Set(result); |
| } |
| |
| |
| void LoopGetProperty(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| v8::TryCatch try_catch; |
| CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate())); |
| v8::Script::Compile( |
| v8::String::NewFromUtf8(args.GetIsolate(), |
| "function f() {" |
| " try {" |
| " while(true) {" |
| " terminate_or_return_object().x;" |
| " }" |
| " fail();" |
| " } catch(e) {" |
| " fail();" |
| " }" |
| "}" |
| "f()"))->Run(); |
| CHECK(try_catch.HasCaught()); |
| CHECK(try_catch.Exception()->IsNull()); |
| CHECK(try_catch.Message().IsEmpty()); |
| CHECK(!try_catch.CanContinue()); |
| CHECK(v8::V8::IsExecutionTerminating(args.GetIsolate())); |
| } |
| |
| |
| // Test that we correctly handle termination exceptions if they are |
| // triggered by the creation of error objects in connection with ICs. |
| TEST(TerminateLoadICException) { |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::HandleScope scope(isolate); |
| v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate); |
| global->Set( |
| v8::String::NewFromUtf8(isolate, "terminate_or_return_object"), |
| v8::FunctionTemplate::New(isolate, TerminateOrReturnObject)); |
| global->Set(v8::String::NewFromUtf8(isolate, "fail"), |
| v8::FunctionTemplate::New(isolate, Fail)); |
| global->Set(v8::String::NewFromUtf8(isolate, "loop"), |
| v8::FunctionTemplate::New(isolate, LoopGetProperty)); |
| |
| v8::Handle<v8::Context> context = |
| v8::Context::New(isolate, NULL, global); |
| v8::Context::Scope context_scope(context); |
| CHECK(!v8::V8::IsExecutionTerminating(isolate)); |
| // Run a loop that will be infinite if thread termination does not work. |
| v8::Handle<v8::String> source = v8::String::NewFromUtf8( |
| isolate, "try { loop(); fail(); } catch(e) { fail(); }"); |
| call_count = 0; |
| v8::Script::Compile(source)->Run(); |
| // Test that we can run the code again after thread termination. |
| CHECK(!v8::V8::IsExecutionTerminating(isolate)); |
| call_count = 0; |
| v8::Script::Compile(source)->Run(); |
| } |
| |
| |
| void ReenterAfterTermination(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| v8::TryCatch try_catch; |
| CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate())); |
| v8::Script::Compile(v8::String::NewFromUtf8(args.GetIsolate(), |
| "function f() {" |
| " var term = true;" |
| " try {" |
| " while(true) {" |
| " if (term) terminate();" |
| " term = false;" |
| " }" |
| " fail();" |
| " } catch(e) {" |
| " fail();" |
| " }" |
| "}" |
| "f()"))->Run(); |
| CHECK(try_catch.HasCaught()); |
| CHECK(try_catch.Exception()->IsNull()); |
| CHECK(try_catch.Message().IsEmpty()); |
| CHECK(!try_catch.CanContinue()); |
| CHECK(v8::V8::IsExecutionTerminating(args.GetIsolate())); |
| v8::Script::Compile(v8::String::NewFromUtf8(args.GetIsolate(), |
| "function f() { fail(); } f()")) |
| ->Run(); |
| } |
| |
| |
| // Test that reentry into V8 while the termination exception is still pending |
| // (has not yet unwound the 0-level JS frame) does not crash. |
| TEST(TerminateAndReenterFromThreadItself) { |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::HandleScope scope(isolate); |
| v8::Handle<v8::ObjectTemplate> global = CreateGlobalTemplate( |
| isolate, TerminateCurrentThread, ReenterAfterTermination); |
| v8::Handle<v8::Context> context = |
| v8::Context::New(isolate, NULL, global); |
| v8::Context::Scope context_scope(context); |
| CHECK(!v8::V8::IsExecutionTerminating()); |
| v8::Handle<v8::String> source = v8::String::NewFromUtf8( |
| isolate, "try { loop(); fail(); } catch(e) { fail(); }"); |
| v8::Script::Compile(source)->Run(); |
| CHECK(!v8::V8::IsExecutionTerminating(isolate)); |
| // Check we can run JS again after termination. |
| CHECK(v8::Script::Compile( |
| v8::String::NewFromUtf8(isolate, |
| "function f() { return true; }" |
| "f()")) |
| ->Run() |
| ->IsTrue()); |
| } |
| |
| |
| void DoLoopCancelTerminate(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| v8::TryCatch try_catch; |
| CHECK(!v8::V8::IsExecutionTerminating()); |
| v8::Script::Compile(v8::String::NewFromUtf8(args.GetIsolate(), |
| "var term = true;" |
| "while(true) {" |
| " if (term) terminate();" |
| " term = false;" |
| "}" |
| "fail();"))->Run(); |
| CHECK(try_catch.HasCaught()); |
| CHECK(try_catch.Exception()->IsNull()); |
| CHECK(try_catch.Message().IsEmpty()); |
| CHECK(!try_catch.CanContinue()); |
| CHECK(v8::V8::IsExecutionTerminating()); |
| CHECK(try_catch.HasTerminated()); |
| v8::V8::CancelTerminateExecution(CcTest::isolate()); |
| CHECK(!v8::V8::IsExecutionTerminating()); |
| } |
| |
| |
| // Test that a single thread of JavaScript execution can terminate |
| // itself and then resume execution. |
| TEST(TerminateCancelTerminateFromThreadItself) { |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::HandleScope scope(isolate); |
| v8::Handle<v8::ObjectTemplate> global = CreateGlobalTemplate( |
| isolate, TerminateCurrentThread, DoLoopCancelTerminate); |
| v8::Handle<v8::Context> context = v8::Context::New(isolate, NULL, global); |
| v8::Context::Scope context_scope(context); |
| CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate())); |
| v8::Handle<v8::String> source = v8::String::NewFromUtf8( |
| isolate, "try { doloop(); } catch(e) { fail(); } 'completed';"); |
| // Check that execution completed with correct return value. |
| CHECK(v8::Script::Compile(source)->Run()->Equals(v8_str("completed"))); |
| } |
| |
| |
| void MicrotaskShouldNotRun(const v8::FunctionCallbackInfo<v8::Value>& info) { |
| CHECK(false); |
| } |
| |
| |
| void MicrotaskLoopForever(const v8::FunctionCallbackInfo<v8::Value>& info) { |
| v8::Isolate* isolate = info.GetIsolate(); |
| v8::HandleScope scope(isolate); |
| // Enqueue another should-not-run task to ensure we clean out the queue |
| // when we terminate. |
| isolate->EnqueueMicrotask(v8::Function::New(isolate, MicrotaskShouldNotRun)); |
| CompileRun("terminate(); while (true) { }"); |
| CHECK(v8::V8::IsExecutionTerminating()); |
| } |
| |
| |
| TEST(TerminateFromOtherThreadWhileMicrotaskRunning) { |
| semaphore = new v8::base::Semaphore(0); |
| TerminatorThread thread(CcTest::i_isolate()); |
| thread.Start(); |
| |
| v8::Isolate* isolate = CcTest::isolate(); |
| isolate->SetAutorunMicrotasks(false); |
| v8::HandleScope scope(isolate); |
| v8::Handle<v8::ObjectTemplate> global = |
| CreateGlobalTemplate(CcTest::isolate(), Signal, DoLoop); |
| v8::Handle<v8::Context> context = |
| v8::Context::New(CcTest::isolate(), NULL, global); |
| v8::Context::Scope context_scope(context); |
| isolate->EnqueueMicrotask(v8::Function::New(isolate, MicrotaskLoopForever)); |
| // The second task should never be run because we bail out if we're |
| // terminating. |
| isolate->EnqueueMicrotask(v8::Function::New(isolate, MicrotaskShouldNotRun)); |
| isolate->RunMicrotasks(); |
| |
| v8::V8::CancelTerminateExecution(isolate); |
| isolate->RunMicrotasks(); // should not run MicrotaskShouldNotRun |
| |
| thread.Join(); |
| delete semaphore; |
| semaphore = NULL; |
| } |
| |
| |
| static int callback_counter = 0; |
| |
| |
| static void CounterCallback(v8::Isolate* isolate, void* data) { |
| callback_counter++; |
| } |
| |
| |
| TEST(PostponeTerminateException) { |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::HandleScope scope(isolate); |
| v8::Handle<v8::ObjectTemplate> global = |
| CreateGlobalTemplate(CcTest::isolate(), TerminateCurrentThread, DoLoop); |
| v8::Handle<v8::Context> context = |
| v8::Context::New(CcTest::isolate(), NULL, global); |
| v8::Context::Scope context_scope(context); |
| |
| v8::TryCatch try_catch; |
| static const char* terminate_and_loop = |
| "terminate(); for (var i = 0; i < 10000; i++);"; |
| |
| { // Postpone terminate execution interrupts. |
| i::PostponeInterruptsScope p1(CcTest::i_isolate(), |
| i::StackGuard::TERMINATE_EXECUTION) ; |
| |
| // API interrupts should still be triggered. |
| CcTest::isolate()->RequestInterrupt(&CounterCallback, NULL); |
| CHECK_EQ(0, callback_counter); |
| CompileRun(terminate_and_loop); |
| CHECK(!try_catch.HasTerminated()); |
| CHECK_EQ(1, callback_counter); |
| |
| { // Postpone API interrupts as well. |
| i::PostponeInterruptsScope p2(CcTest::i_isolate(), |
| i::StackGuard::API_INTERRUPT); |
| |
| // None of the two interrupts should trigger. |
| CcTest::isolate()->RequestInterrupt(&CounterCallback, NULL); |
| CompileRun(terminate_and_loop); |
| CHECK(!try_catch.HasTerminated()); |
| CHECK_EQ(1, callback_counter); |
| } |
| |
| // Now the previously requested API interrupt should trigger. |
| CompileRun(terminate_and_loop); |
| CHECK(!try_catch.HasTerminated()); |
| CHECK_EQ(2, callback_counter); |
| } |
| |
| // Now the previously requested terminate execution interrupt should trigger. |
| CompileRun("for (var i = 0; i < 10000; i++);"); |
| CHECK(try_catch.HasTerminated()); |
| CHECK_EQ(2, callback_counter); |
| } |
| |
| |
| TEST(ErrorObjectAfterTermination) { |
| v8::Isolate* isolate = CcTest::isolate(); |
| v8::HandleScope scope(isolate); |
| v8::Handle<v8::Context> context = v8::Context::New(CcTest::isolate()); |
| v8::Context::Scope context_scope(context); |
| v8::V8::TerminateExecution(isolate); |
| v8::Local<v8::Value> error = v8::Exception::Error(v8_str("error")); |
| // TODO(yangguo): crbug/403509. Check for empty handle instead. |
| CHECK(error->IsUndefined()); |
| } |
