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Edit File: test-platform-tls.cc
// Copyright 2011 the V8 project authors. All rights reserved. // // Tests of fast TLS support. #include "v8.h" #include "cctest.h" #include "checks.h" #include "platform.h" using v8::internal::Thread; static const int kValueCount = 128; static Thread::LocalStorageKey keys[kValueCount]; static void* GetValue(int num) { return reinterpret_cast<void*>(static_cast<intptr_t>(num + 1)); } static void DoTest() { for (int i = 0; i < kValueCount; i++) { CHECK(!Thread::HasThreadLocal(keys[i])); } for (int i = 0; i < kValueCount; i++) { Thread::SetThreadLocal(keys[i], GetValue(i)); } for (int i = 0; i < kValueCount; i++) { CHECK(Thread::HasThreadLocal(keys[i])); } for (int i = 0; i < kValueCount; i++) { CHECK_EQ(GetValue(i), Thread::GetThreadLocal(keys[i])); CHECK_EQ(GetValue(i), Thread::GetExistingThreadLocal(keys[i])); } for (int i = 0; i < kValueCount; i++) { Thread::SetThreadLocal(keys[i], GetValue(kValueCount - i - 1)); } for (int i = 0; i < kValueCount; i++) { CHECK(Thread::HasThreadLocal(keys[i])); } for (int i = 0; i < kValueCount; i++) { CHECK_EQ(GetValue(kValueCount - i - 1), Thread::GetThreadLocal(keys[i])); CHECK_EQ(GetValue(kValueCount - i - 1), Thread::GetExistingThreadLocal(keys[i])); } } class TestThread : public Thread { public: TestThread() : Thread("TestThread") {} virtual void Run() { DoTest(); } }; TEST(FastTLS) { for (int i = 0; i < kValueCount; i++) { keys[i] = Thread::CreateThreadLocalKey(); } DoTest(); TestThread thread; thread.Start(); thread.Join(); }