Simplify implementation of Mutex.

test/cctest/test-lock.cc

Index: test/cctest/test-lock.cc
diff --git a/test/cctest/test-lock.cc b/test/cctest/test-lock.cc
deleted file mode 100644
index d4387d0f906787ebf12195ad1a789448cfde5b3a..0000000000000000000000000000000000000000
--- a/test/cctest/test-lock.cc
+++ /dev/null
@@ -1,89 +0,0 @@
-// Copyright 2006-2008 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.
-//
-// Tests of the TokenLock class from lock.h
-
-#include <stdlib.h>
-
-#include "v8.h"
-
-#include "platform.h"
-#include "cctest.h"
-
-
-using namespace ::v8::internal;
-
-
-// Simple test of locking logic
-TEST(Simple) {
-  Mutex* mutex = OS::CreateMutex();
-  CHECK_EQ(0, mutex->Lock());  // acquire the lock with the right token
-  CHECK_EQ(0, mutex->Unlock());  // can unlock with the right token
-  delete mutex;
-}
-
-
-TEST(MultiLock) {
-  Mutex* mutex = OS::CreateMutex();
-  CHECK_EQ(0, mutex->Lock());
-  CHECK_EQ(0, mutex->Unlock());
-  delete mutex;
-}
-
-
-TEST(ShallowLock) {
-  Mutex* mutex = OS::CreateMutex();
-  CHECK_EQ(0, mutex->Lock());
-  CHECK_EQ(0, mutex->Unlock());
-  CHECK_EQ(0, mutex->Lock());
-  CHECK_EQ(0, mutex->Unlock());
-  delete mutex;
-}
-
-
-TEST(SemaphoreTimeout) {
-  bool ok;
-  Semaphore* sem = OS::CreateSemaphore(0);
-
-  // Semaphore not signalled - timeout.
-  ok = sem->Wait(0);
-  CHECK(!ok);
-  ok = sem->Wait(100);
-  CHECK(!ok);
-  ok = sem->Wait(1000);
-  CHECK(!ok);
-
-  // Semaphore signalled - no timeout.
-  sem->Signal();
-  ok = sem->Wait(0);
-  sem->Signal();
-  ok = sem->Wait(100);
-  sem->Signal();
-  ok = sem->Wait(1000);
-  CHECK(ok);
-  delete sem;
-}