Index: test/cctest/test-semaphore.cc |
diff --git a/test/cctest/test-semaphore.cc b/test/cctest/test-semaphore.cc |
deleted file mode 100644 |
index c7fca519dcfdd8432e1fcb77b1a56501b1b4c310..0000000000000000000000000000000000000000 |
--- a/test/cctest/test-semaphore.cc |
+++ /dev/null |
@@ -1,156 +0,0 @@ |
-// Copyright 2013 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 <stdlib.h> |
- |
-#include "src/v8.h" |
- |
-#include "src/base/platform/platform.h" |
-#include "test/cctest/cctest.h" |
- |
- |
-using namespace ::v8::internal; |
- |
- |
-class WaitAndSignalThread V8_FINAL : public v8::base::Thread { |
- public: |
- explicit WaitAndSignalThread(v8::base::Semaphore* semaphore) |
- : Thread(Options("WaitAndSignalThread")), semaphore_(semaphore) {} |
- virtual ~WaitAndSignalThread() {} |
- |
- virtual void Run() V8_OVERRIDE { |
- for (int n = 0; n < 1000; ++n) { |
- semaphore_->Wait(); |
- bool result = |
- semaphore_->WaitFor(v8::base::TimeDelta::FromMicroseconds(1)); |
- DCHECK(!result); |
- USE(result); |
- semaphore_->Signal(); |
- } |
- } |
- |
- private: |
- v8::base::Semaphore* semaphore_; |
-}; |
- |
- |
-TEST(WaitAndSignal) { |
- v8::base::Semaphore semaphore(0); |
- WaitAndSignalThread t1(&semaphore); |
- WaitAndSignalThread t2(&semaphore); |
- |
- t1.Start(); |
- t2.Start(); |
- |
- // Make something available. |
- semaphore.Signal(); |
- |
- t1.Join(); |
- t2.Join(); |
- |
- semaphore.Wait(); |
- |
- bool result = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(1)); |
- DCHECK(!result); |
- USE(result); |
-} |
- |
- |
-TEST(WaitFor) { |
- bool ok; |
- v8::base::Semaphore semaphore(0); |
- |
- // Semaphore not signalled - timeout. |
- ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(0)); |
- CHECK(!ok); |
- ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(100)); |
- CHECK(!ok); |
- ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(1000)); |
- CHECK(!ok); |
- |
- // Semaphore signalled - no timeout. |
- semaphore.Signal(); |
- ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(0)); |
- CHECK(ok); |
- semaphore.Signal(); |
- ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(100)); |
- CHECK(ok); |
- semaphore.Signal(); |
- ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(1000)); |
- CHECK(ok); |
-} |
- |
- |
-static const char alphabet[] = "XKOAD"; |
-static const int kAlphabetSize = sizeof(alphabet) - 1; |
-static const int kBufferSize = 4096; // GCD(buffer size, alphabet size) = 1 |
-static char buffer[kBufferSize]; |
-static const int kDataSize = kBufferSize * kAlphabetSize * 10; |
- |
-static v8::base::Semaphore free_space(kBufferSize); |
-static v8::base::Semaphore used_space(0); |
- |
- |
-class ProducerThread V8_FINAL : public v8::base::Thread { |
- public: |
- ProducerThread() : Thread(Options("ProducerThread")) {} |
- virtual ~ProducerThread() {} |
- |
- virtual void Run() V8_OVERRIDE { |
- for (int n = 0; n < kDataSize; ++n) { |
- free_space.Wait(); |
- buffer[n % kBufferSize] = alphabet[n % kAlphabetSize]; |
- used_space.Signal(); |
- } |
- } |
-}; |
- |
- |
-class ConsumerThread V8_FINAL : public v8::base::Thread { |
- public: |
- ConsumerThread() : Thread(Options("ConsumerThread")) {} |
- virtual ~ConsumerThread() {} |
- |
- virtual void Run() V8_OVERRIDE { |
- for (int n = 0; n < kDataSize; ++n) { |
- used_space.Wait(); |
- DCHECK_EQ(static_cast<int>(alphabet[n % kAlphabetSize]), |
- static_cast<int>(buffer[n % kBufferSize])); |
- free_space.Signal(); |
- } |
- } |
-}; |
- |
- |
-TEST(ProducerConsumer) { |
- ProducerThread producer_thread; |
- ConsumerThread consumer_thread; |
- producer_thread.Start(); |
- consumer_thread.Start(); |
- producer_thread.Join(); |
- consumer_thread.Join(); |
-} |