| Index: test/base-unittests/platform/semaphore-unittest.cc
|
| diff --git a/test/base-unittests/platform/semaphore-unittest.cc b/test/base-unittests/platform/semaphore-unittest.cc
|
| deleted file mode 100644
|
| index 836e7192603367409604f37a401c11c6b8a7cc5a..0000000000000000000000000000000000000000
|
| --- a/test/base-unittests/platform/semaphore-unittest.cc
|
| +++ /dev/null
|
| @@ -1,145 +0,0 @@
|
| -// Copyright 2014 the V8 project authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include <cstring>
|
| -
|
| -#include "src/base/platform/platform.h"
|
| -#include "src/base/platform/semaphore.h"
|
| -#include "src/base/platform/time.h"
|
| -#include "testing/gtest/include/gtest/gtest.h"
|
| -
|
| -namespace v8 {
|
| -namespace base {
|
| -
|
| -namespace {
|
| -
|
| -static const char kAlphabet[] = "XKOAD";
|
| -static const size_t kAlphabetSize = sizeof(kAlphabet) - 1;
|
| -static const size_t kBufferSize = 987; // GCD(buffer size, alphabet size) = 1
|
| -static const size_t kDataSize = kBufferSize * kAlphabetSize * 10;
|
| -
|
| -
|
| -class ProducerThread V8_FINAL : public Thread {
|
| - public:
|
| - ProducerThread(char* buffer, Semaphore* free_space, Semaphore* used_space)
|
| - : Thread(Options("ProducerThread")),
|
| - buffer_(buffer),
|
| - free_space_(free_space),
|
| - used_space_(used_space) {}
|
| - virtual ~ProducerThread() {}
|
| -
|
| - virtual void Run() V8_OVERRIDE {
|
| - for (size_t n = 0; n < kDataSize; ++n) {
|
| - free_space_->Wait();
|
| - buffer_[n % kBufferSize] = kAlphabet[n % kAlphabetSize];
|
| - used_space_->Signal();
|
| - }
|
| - }
|
| -
|
| - private:
|
| - char* buffer_;
|
| - Semaphore* const free_space_;
|
| - Semaphore* const used_space_;
|
| -};
|
| -
|
| -
|
| -class ConsumerThread V8_FINAL : public Thread {
|
| - public:
|
| - ConsumerThread(const char* buffer, Semaphore* free_space,
|
| - Semaphore* used_space)
|
| - : Thread(Options("ConsumerThread")),
|
| - buffer_(buffer),
|
| - free_space_(free_space),
|
| - used_space_(used_space) {}
|
| - virtual ~ConsumerThread() {}
|
| -
|
| - virtual void Run() V8_OVERRIDE {
|
| - for (size_t n = 0; n < kDataSize; ++n) {
|
| - used_space_->Wait();
|
| - EXPECT_EQ(kAlphabet[n % kAlphabetSize], buffer_[n % kBufferSize]);
|
| - free_space_->Signal();
|
| - }
|
| - }
|
| -
|
| - private:
|
| - const char* buffer_;
|
| - Semaphore* const free_space_;
|
| - Semaphore* const used_space_;
|
| -};
|
| -
|
| -
|
| -class WaitAndSignalThread V8_FINAL : public Thread {
|
| - public:
|
| - explicit WaitAndSignalThread(Semaphore* semaphore)
|
| - : Thread(Options("WaitAndSignalThread")), semaphore_(semaphore) {}
|
| - virtual ~WaitAndSignalThread() {}
|
| -
|
| - virtual void Run() V8_OVERRIDE {
|
| - for (int n = 0; n < 100; ++n) {
|
| - semaphore_->Wait();
|
| - ASSERT_FALSE(semaphore_->WaitFor(TimeDelta::FromMicroseconds(1)));
|
| - semaphore_->Signal();
|
| - }
|
| - }
|
| -
|
| - private:
|
| - Semaphore* const semaphore_;
|
| -};
|
| -
|
| -} // namespace
|
| -
|
| -
|
| -TEST(Semaphore, ProducerConsumer) {
|
| - char buffer[kBufferSize];
|
| - std::memset(buffer, 0, sizeof(buffer));
|
| - Semaphore free_space(kBufferSize);
|
| - Semaphore used_space(0);
|
| - ProducerThread producer_thread(buffer, &free_space, &used_space);
|
| - ConsumerThread consumer_thread(buffer, &free_space, &used_space);
|
| - producer_thread.Start();
|
| - consumer_thread.Start();
|
| - producer_thread.Join();
|
| - consumer_thread.Join();
|
| -}
|
| -
|
| -
|
| -TEST(Semaphore, WaitAndSignal) {
|
| - Semaphore semaphore(0);
|
| - WaitAndSignalThread t1(&semaphore);
|
| - WaitAndSignalThread t2(&semaphore);
|
| -
|
| - t1.Start();
|
| - t2.Start();
|
| -
|
| - // Make something available.
|
| - semaphore.Signal();
|
| -
|
| - t1.Join();
|
| - t2.Join();
|
| -
|
| - semaphore.Wait();
|
| -
|
| - EXPECT_FALSE(semaphore.WaitFor(TimeDelta::FromMicroseconds(1)));
|
| -}
|
| -
|
| -
|
| -TEST(Semaphore, WaitFor) {
|
| - Semaphore semaphore(0);
|
| -
|
| - // Semaphore not signalled - timeout.
|
| - ASSERT_FALSE(semaphore.WaitFor(TimeDelta::FromMicroseconds(0)));
|
| - ASSERT_FALSE(semaphore.WaitFor(TimeDelta::FromMicroseconds(100)));
|
| - ASSERT_FALSE(semaphore.WaitFor(TimeDelta::FromMicroseconds(1000)));
|
| -
|
| - // Semaphore signalled - no timeout.
|
| - semaphore.Signal();
|
| - ASSERT_TRUE(semaphore.WaitFor(TimeDelta::FromMicroseconds(0)));
|
| - semaphore.Signal();
|
| - ASSERT_TRUE(semaphore.WaitFor(TimeDelta::FromMicroseconds(100)));
|
| - semaphore.Signal();
|
| - ASSERT_TRUE(semaphore.WaitFor(TimeDelta::FromMicroseconds(1000)));
|
| -}
|
| -
|
| -} // namespace base
|
| -} // namespace v8
|
|
|