Add a Mojo EDK for Chrome that uses one OS pipe per message pipe.

mojo/edk/system/core_test_base.cc

 // Copyright 2013 The Chromium 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 "mojo/edk/system/core_test_base.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "mojo/edk/system/configuration.h"
 #include "mojo/edk/system/core.h"
 #include "mojo/edk/system/dispatcher.h"
 #include "mojo/edk/system/memory.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
-namespace system {
+namespace edk {
 namespace test {
 
 namespace {
 
 // MockDispatcher --------------------------------------------------------------
 
 class MockDispatcher : public Dispatcher {
  public:
   static scoped_refptr<MockDispatcher> Create(
       CoreTestBase::MockHandleInfo* info) {
     return make_scoped_refptr(new MockDispatcher(info));
   }
 
   // |Dispatcher| private methods:
   Type GetType() const override { return Type::UNKNOWN; }
 
  private:
   explicit MockDispatcher(CoreTestBase::MockHandleInfo* info) : info_(info) {
     CHECK(info_);
     info_->IncrementCtorCallCount();
   }
 
   ~MockDispatcher() override { info_->IncrementDtorCallCount(); }
 
   // |Dispatcher| protected methods:
   void CloseImplNoLock() override {
     info_->IncrementCloseCallCount();
-    mutex().AssertHeld();
+    lock().AssertAcquired();
   }
 
   MojoResult WriteMessageImplNoLock(
       UserPointer<const void> bytes,
       uint32_t num_bytes,
       std::vector<DispatcherTransport>* transports,
       MojoWriteMessageFlags /*flags*/) override {
     info_->IncrementWriteMessageCallCount();
-    mutex().AssertHeld();
+    lock().AssertAcquired();
 
     if (num_bytes > GetConfiguration().max_message_num_bytes)
       return MOJO_RESULT_RESOURCE_EXHAUSTED;
 
     if (transports)
       return MOJO_RESULT_UNIMPLEMENTED;
 
     return MOJO_RESULT_OK;
   }
 
   MojoResult ReadMessageImplNoLock(UserPointer<void> bytes,
                                    UserPointer<uint32_t> num_bytes,
                                    DispatcherVector* dispatchers,
                                    uint32_t* num_dispatchers,
                                    MojoReadMessageFlags /*flags*/) override {
     info_->IncrementReadMessageCallCount();
-    mutex().AssertHeld();
+    lock().AssertAcquired();
 
     if (num_dispatchers) {
       *num_dispatchers = 1;
       if (dispatchers) {
         // Okay to leave an invalid dispatcher.
         dispatchers->resize(1);
       }
     }
 
     return MOJO_RESULT_OK;
   }
 
   MojoResult WriteDataImplNoLock(UserPointer<const void> /*elements*/,
                                  UserPointer<uint32_t> /*num_bytes*/,
                                  MojoWriteDataFlags /*flags*/) override {
     info_->IncrementWriteDataCallCount();
-    mutex().AssertHeld();
+    lock().AssertAcquired();
     return MOJO_RESULT_UNIMPLEMENTED;
   }
 
   MojoResult BeginWriteDataImplNoLock(
       UserPointer<void*> /*buffer*/,
       UserPointer<uint32_t> /*buffer_num_bytes*/,
       MojoWriteDataFlags /*flags*/) override {
     info_->IncrementBeginWriteDataCallCount();
-    mutex().AssertHeld();
+    lock().AssertAcquired();
     return MOJO_RESULT_UNIMPLEMENTED;
   }
 
   MojoResult EndWriteDataImplNoLock(uint32_t /*num_bytes_written*/) override {
     info_->IncrementEndWriteDataCallCount();
-    mutex().AssertHeld();
+    lock().AssertAcquired();
     return MOJO_RESULT_UNIMPLEMENTED;
   }
 
   MojoResult ReadDataImplNoLock(UserPointer<void> /*elements*/,
                                 UserPointer<uint32_t> /*num_bytes*/,
                                 MojoReadDataFlags /*flags*/) override {
     info_->IncrementReadDataCallCount();
-    mutex().AssertHeld();
+    lock().AssertAcquired();
     return MOJO_RESULT_UNIMPLEMENTED;
   }
 
   MojoResult BeginReadDataImplNoLock(UserPointer<const void*> /*buffer*/,
                                      UserPointer<uint32_t> /*buffer_num_bytes*/,
                                      MojoReadDataFlags /*flags*/) override {
     info_->IncrementBeginReadDataCallCount();
-    mutex().AssertHeld();
+    lock().AssertAcquired();
     return MOJO_RESULT_UNIMPLEMENTED;
   }
 
   MojoResult EndReadDataImplNoLock(uint32_t /*num_bytes_read*/) override {
     info_->IncrementEndReadDataCallCount();
-    mutex().AssertHeld();
+    lock().AssertAcquired();
     return MOJO_RESULT_UNIMPLEMENTED;
   }
 
   MojoResult AddAwakableImplNoLock(Awakable* awakable,
                                    MojoHandleSignals /*signals*/,
                                    uint32_t /*context*/,
                                    HandleSignalsState* signals_state) override {
     info_->IncrementAddAwakableCallCount();
-    mutex().AssertHeld();
+    lock().AssertAcquired();
     if (signals_state)
       *signals_state = HandleSignalsState();
     if (info_->IsAddAwakableAllowed()) {
       info_->AwakableWasAdded(awakable);
       return MOJO_RESULT_OK;
     }
 
     return MOJO_RESULT_FAILED_PRECONDITION;
   }
 
   void RemoveAwakableImplNoLock(Awakable* /*awakable*/,
                                 HandleSignalsState* signals_state) override {
     info_->IncrementRemoveAwakableCallCount();
-    mutex().AssertHeld();
+    lock().AssertAcquired();
     if (signals_state)
       *signals_state = HandleSignalsState();
   }
 
   void CancelAllAwakablesNoLock() override {
     info_->IncrementCancelAllAwakablesCallCount();
-    mutex().AssertHeld();
+    lock().AssertAcquired();
   }
 
   scoped_refptr<Dispatcher> CreateEquivalentDispatcherAndCloseImplNoLock()
       override {
     return Create(info_);
   }
 
   CoreTestBase::MockHandleInfo* const info_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(MockDispatcher);
 };
 
 }  // namespace
 
 // CoreTestBase ----------------------------------------------------------------
 
 CoreTestBase::CoreTestBase() {
 }
 
 CoreTestBase::~CoreTestBase() {
 }
 
-void CoreTestBase::SetUp() {
-  core_ = new Core(&platform_support_);
-}
-
-void CoreTestBase::TearDown() {
-  delete core_;
-  core_ = nullptr;
-}
-
 MojoHandle CoreTestBase::CreateMockHandle(CoreTestBase::MockHandleInfo* info) {
-  CHECK(core_);
   scoped_refptr<MockDispatcher> dispatcher = MockDispatcher::Create(info);
-  return core_->AddDispatcher(dispatcher);
+  return core()->AddDispatcher(dispatcher);
 }
 
 // CoreTestBase_MockHandleInfo -------------------------------------------------
 
 CoreTestBase_MockHandleInfo::CoreTestBase_MockHandleInfo()
     : ctor_call_count_(0),
       dtor_call_count_(0),
       close_call_count_(0),
       write_message_call_count_(0),
       read_message_call_count_(0),
       write_data_call_count_(0),
       begin_write_data_call_count_(0),
       end_write_data_call_count_(0),
       read_data_call_count_(0),
       begin_read_data_call_count_(0),
       end_read_data_call_count_(0),
       add_awakable_call_count_(0),
       remove_awakable_call_count_(0),
       cancel_all_awakables_call_count_(0),
       add_awakable_allowed_(false) {
 }
 
 CoreTestBase_MockHandleInfo::~CoreTestBase_MockHandleInfo() {
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetCtorCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return ctor_call_count_;
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetDtorCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return dtor_call_count_;
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetCloseCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return close_call_count_;
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetWriteMessageCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return write_message_call_count_;
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetReadMessageCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return read_message_call_count_;
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetWriteDataCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return write_data_call_count_;
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetBeginWriteDataCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return begin_write_data_call_count_;
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetEndWriteDataCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return end_write_data_call_count_;
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetReadDataCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return read_data_call_count_;
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetBeginReadDataCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return begin_read_data_call_count_;
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetEndReadDataCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return end_read_data_call_count_;
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetAddAwakableCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return add_awakable_call_count_;
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetRemoveAwakableCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return remove_awakable_call_count_;
 }
 
 unsigned CoreTestBase_MockHandleInfo::GetCancelAllAwakablesCallCount() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return cancel_all_awakables_call_count_;
 }
 
 size_t CoreTestBase_MockHandleInfo::GetAddedAwakableSize() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return added_awakables_.size();
 }
 
 Awakable* CoreTestBase_MockHandleInfo::GetAddedAwakableAt(unsigned i) const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return added_awakables_[i];
 }
 
 void CoreTestBase_MockHandleInfo::IncrementCtorCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   ctor_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::IncrementDtorCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   dtor_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::IncrementCloseCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   close_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::IncrementWriteMessageCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   write_message_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::IncrementReadMessageCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   read_message_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::IncrementWriteDataCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   write_data_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::IncrementBeginWriteDataCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   begin_write_data_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::IncrementEndWriteDataCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   end_write_data_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::IncrementReadDataCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   read_data_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::IncrementBeginReadDataCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   begin_read_data_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::IncrementEndReadDataCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   end_read_data_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::IncrementAddAwakableCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   add_awakable_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::IncrementRemoveAwakableCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   remove_awakable_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::IncrementCancelAllAwakablesCallCount() {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   cancel_all_awakables_call_count_++;
 }
 
 void CoreTestBase_MockHandleInfo::AllowAddAwakable(bool alllow) {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   add_awakable_allowed_ = alllow;
 }
 
 bool CoreTestBase_MockHandleInfo::IsAddAwakableAllowed() const {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   return add_awakable_allowed_;
 }
 
 void CoreTestBase_MockHandleInfo::AwakableWasAdded(Awakable* awakable) {
-  MutexLocker locker(&mutex_);
+  base::AutoLock locker(lock_);
   added_awakables_.push_back(awakable);
 }
 
 }  // namespace test
-}  // namespace system
+}  // namespace edk
 }  // namespace mojo