Merge base unit tests into src to be in line with Chrome.

test/base-unittests/platform/mutex-unittest.cc

-// 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 "src/base/platform/mutex.h"
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace v8 {
-namespace base {
-
-TEST(Mutex, LockGuardMutex) {
-  Mutex mutex;
-  { LockGuard<Mutex> lock_guard(&mutex); }
-  { LockGuard<Mutex> lock_guard(&mutex); }
-}
-
-
-TEST(Mutex, LockGuardRecursiveMutex) {
-  RecursiveMutex recursive_mutex;
-  { LockGuard<RecursiveMutex> lock_guard(&recursive_mutex); }
-  {
-    LockGuard<RecursiveMutex> lock_guard1(&recursive_mutex);
-    LockGuard<RecursiveMutex> lock_guard2(&recursive_mutex);
-  }
-}
-
-
-TEST(Mutex, LockGuardLazyMutex) {
-  LazyMutex lazy_mutex = LAZY_MUTEX_INITIALIZER;
-  { LockGuard<Mutex> lock_guard(lazy_mutex.Pointer()); }
-  { LockGuard<Mutex> lock_guard(lazy_mutex.Pointer()); }
-}
-
-
-TEST(Mutex, LockGuardLazyRecursiveMutex) {
-  LazyRecursiveMutex lazy_recursive_mutex = LAZY_RECURSIVE_MUTEX_INITIALIZER;
-  { LockGuard<RecursiveMutex> lock_guard(lazy_recursive_mutex.Pointer()); }
-  {
-    LockGuard<RecursiveMutex> lock_guard1(lazy_recursive_mutex.Pointer());
-    LockGuard<RecursiveMutex> lock_guard2(lazy_recursive_mutex.Pointer());
-  }
-}
-
-
-TEST(Mutex, MultipleMutexes) {
-  Mutex mutex1;
-  Mutex mutex2;
-  Mutex mutex3;
-  // Order 1
-  mutex1.Lock();
-  mutex2.Lock();
-  mutex3.Lock();
-  mutex1.Unlock();
-  mutex2.Unlock();
-  mutex3.Unlock();
-  // Order 2
-  mutex1.Lock();
-  mutex2.Lock();
-  mutex3.Lock();
-  mutex3.Unlock();
-  mutex2.Unlock();
-  mutex1.Unlock();
-}
-
-
-TEST(Mutex, MultipleRecursiveMutexes) {
-  RecursiveMutex recursive_mutex1;
-  RecursiveMutex recursive_mutex2;
-  // Order 1
-  recursive_mutex1.Lock();
-  recursive_mutex2.Lock();
-  EXPECT_TRUE(recursive_mutex1.TryLock());
-  EXPECT_TRUE(recursive_mutex2.TryLock());
-  recursive_mutex1.Unlock();
-  recursive_mutex1.Unlock();
-  recursive_mutex2.Unlock();
-  recursive_mutex2.Unlock();
-  // Order 2
-  recursive_mutex1.Lock();
-  EXPECT_TRUE(recursive_mutex1.TryLock());
-  recursive_mutex2.Lock();
-  EXPECT_TRUE(recursive_mutex2.TryLock());
-  recursive_mutex2.Unlock();
-  recursive_mutex1.Unlock();
-  recursive_mutex2.Unlock();
-  recursive_mutex1.Unlock();
-}
-
-}  // namespace base
-}  // namespace v8