| // Copyright 2008 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 "v8.h" |
| |
| #include "platform.h" |
| #include "isolate.h" |
| |
| #include "cctest.h" |
| |
| |
| TEST(Preemption) { |
| v8::Locker locker(CcTest::default_isolate()); |
| v8::V8::Initialize(); |
| v8::HandleScope scope(CcTest::default_isolate()); |
| v8::Context::Scope context_scope(v8::Context::New()); |
| |
| v8::Locker::StartPreemption(100); |
| |
| v8::Handle<v8::Script> script = v8::Script::Compile( |
| v8::String::New("var count = 0; var obj = new Object(); count++;\n")); |
| |
| script->Run(); |
| |
| v8::Locker::StopPreemption(); |
| v8::internal::OS::Sleep(500); // Make sure the timer fires. |
| |
| script->Run(); |
| } |
| |
| |
| enum Turn { |
| FILL_CACHE, |
| CLEAN_CACHE, |
| SECOND_TIME_FILL_CACHE, |
| DONE |
| }; |
| |
| static Turn turn = FILL_CACHE; |
| |
| |
| class ThreadA : public v8::internal::Thread { |
| public: |
| ThreadA() : Thread("ThreadA") { } |
| void Run() { |
| v8::Locker locker(CcTest::default_isolate()); |
| v8::HandleScope scope(CcTest::default_isolate()); |
| v8::Context::Scope context_scope(v8::Context::New()); |
| |
| CHECK_EQ(FILL_CACHE, turn); |
| |
| // Fill String.search cache. |
| v8::Handle<v8::Script> script = v8::Script::Compile( |
| v8::String::New( |
| "for (var i = 0; i < 3; i++) {" |
| " var result = \"a\".search(\"a\");" |
| " if (result != 0) throw \"result: \" + result + \" @\" + i;" |
| "};" |
| "true")); |
| CHECK(script->Run()->IsTrue()); |
| |
| turn = CLEAN_CACHE; |
| do { |
| { |
| v8::Unlocker unlocker(CcTest::default_isolate()); |
| Thread::YieldCPU(); |
| } |
| } while (turn != SECOND_TIME_FILL_CACHE); |
| |
| // Rerun the script. |
| CHECK(script->Run()->IsTrue()); |
| |
| turn = DONE; |
| } |
| }; |
| |
| |
| class ThreadB : public v8::internal::Thread { |
| public: |
| ThreadB() : Thread("ThreadB") { } |
| void Run() { |
| do { |
| { |
| v8::Locker locker(CcTest::default_isolate()); |
| if (turn == CLEAN_CACHE) { |
| v8::HandleScope scope(CcTest::default_isolate()); |
| v8::Context::Scope context_scope(v8::Context::New()); |
| |
| // Clear the caches by forcing major GC. |
| HEAP->CollectAllGarbage(v8::internal::Heap::kNoGCFlags); |
| turn = SECOND_TIME_FILL_CACHE; |
| break; |
| } |
| } |
| |
| Thread::YieldCPU(); |
| } while (true); |
| } |
| }; |
| |
| |
| TEST(JSFunctionResultCachesInTwoThreads) { |
| v8::V8::Initialize(); |
| |
| ThreadA threadA; |
| ThreadB threadB; |
| |
| threadA.Start(); |
| threadB.Start(); |
| |
| threadA.Join(); |
| threadB.Join(); |
| |
| CHECK_EQ(DONE, turn); |
| } |
| |
| class ThreadIdValidationThread : public v8::internal::Thread { |
| public: |
| ThreadIdValidationThread(i::Thread* thread_to_start, |
| i::List<i::ThreadId>* refs, |
| unsigned int thread_no, |
| i::Semaphore* semaphore) |
| : Thread("ThreadRefValidationThread"), |
| refs_(refs), thread_no_(thread_no), thread_to_start_(thread_to_start), |
| semaphore_(semaphore) { |
| } |
| |
| void Run() { |
| i::ThreadId thread_id = i::ThreadId::Current(); |
| for (int i = 0; i < thread_no_; i++) { |
| CHECK(!(*refs_)[i].Equals(thread_id)); |
| } |
| CHECK(thread_id.IsValid()); |
| (*refs_)[thread_no_] = thread_id; |
| if (thread_to_start_ != NULL) { |
| thread_to_start_->Start(); |
| } |
| semaphore_->Signal(); |
| } |
| |
| private: |
| i::List<i::ThreadId>* refs_; |
| int thread_no_; |
| i::Thread* thread_to_start_; |
| i::Semaphore* semaphore_; |
| }; |
| |
| TEST(ThreadIdValidation) { |
| const int kNThreads = 100; |
| i::List<ThreadIdValidationThread*> threads(kNThreads); |
| i::List<i::ThreadId> refs(kNThreads); |
| i::Semaphore* semaphore = i::OS::CreateSemaphore(0); |
| ThreadIdValidationThread* prev = NULL; |
| for (int i = kNThreads - 1; i >= 0; i--) { |
| ThreadIdValidationThread* newThread = |
| new ThreadIdValidationThread(prev, &refs, i, semaphore); |
| threads.Add(newThread); |
| prev = newThread; |
| refs.Add(i::ThreadId::Invalid()); |
| } |
| prev->Start(); |
| for (int i = 0; i < kNThreads; i++) { |
| semaphore->Wait(); |
| } |
| for (int i = 0; i < kNThreads; i++) { |
| delete threads[i]; |
| } |
| } |
| |
| |
| class ThreadC : public v8::internal::Thread { |
| public: |
| ThreadC() : Thread("ThreadC") { } |
| void Run() { |
| Join(); |
| } |
| }; |
| |
| |
| TEST(ThreadJoinSelf) { |
| ThreadC thread; |
| thread.Start(); |
| thread.Join(); |
| } |