Initial in-process implementation of some Mojo primitives.

mojo/system/core_test_base.cc

Index: mojo/system/core_test_base.cc
diff --git a/mojo/system/core_test_base.cc b/mojo/system/core_test_base.cc
new file mode 100644
index 0000000000000000000000000000000000000000..36241f8cf4a778539caa16d802834902538485d0
--- /dev/null
+++ b/mojo/system/core_test_base.cc
@@ -0,0 +1,227 @@
+// 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/system/core_test_base.h"
+
+#include <vector>
+
+#include "base/compiler_specific.h"
+#include "base/logging.h"
+#include "base/memory/ref_counted.h"
+#include "mojo/system/core_impl.h"
+#include "mojo/system/dispatcher.h"
+#include "mojo/system/memory.h"
+
+namespace mojo {
+namespace system {
+namespace test {
+
+namespace {
+
+// MockDispatcher --------------------------------------------------------------
+
+class MockDispatcher : public Dispatcher {
+ public:
+  explicit MockDispatcher(CoreTestBase::MockHandleInfo* info)
+      : info_(info) {
+    CHECK(info_);
+    info_->IncrementCtorCallCount();
+  }
+
+ private:
+  friend class base::RefCountedThreadSafe<MockDispatcher>;
+  virtual ~MockDispatcher() {
+    info_->IncrementDtorCallCount();
+  }
+
+  // |Dispatcher| implementation/overrides:
+  virtual MojoResult CloseImplNoLock() OVERRIDE {
+    info_->IncrementCloseCallCount();
+    lock().AssertAcquired();
+    return MOJO_RESULT_OK;
+  }
+
+  virtual MojoResult WriteMessageImplNoLock(
+      const void* bytes,
+      uint32_t num_bytes,
+      const MojoHandle* handles,
+      uint32_t num_handles,
+      MojoWriteMessageFlags /*flags*/) OVERRIDE {
+    info_->IncrementWriteMessageCallCount();
+    lock().AssertAcquired();
+
+    if (!VerifyUserPointer(bytes, num_bytes, 1))
+      return MOJO_RESULT_INVALID_ARGUMENT;
+    if (!VerifyUserPointer(handles, num_handles, sizeof(handles[0])))
+      return MOJO_RESULT_INVALID_ARGUMENT;
+
+    return MOJO_RESULT_OK;
+  }
+
+  virtual MojoResult ReadMessageImplNoLock(
+      void* bytes,
+      uint32_t* num_bytes,
+      MojoHandle* handles,
+      uint32_t* num_handles,
+      MojoReadMessageFlags /*flags*/) OVERRIDE {
+    info_->IncrementReadMessageCallCount();
+    lock().AssertAcquired();
+
+    if (num_bytes && !VerifyUserPointer(bytes, *num_bytes, 1))
+      return MOJO_RESULT_INVALID_ARGUMENT;
+    if (num_handles &&
+        !VerifyUserPointer(handles, *num_handles, sizeof(handles[0])))
+      return MOJO_RESULT_INVALID_ARGUMENT;
+
+    return MOJO_RESULT_OK;
+  }
+
+  virtual MojoResult AddWaiterImplNoLock(Waiter* /*waiter*/,
+                                         MojoWaitFlags /*flags*/,
+                                         MojoResult /*wake_result*/) OVERRIDE {
+    info_->IncrementAddWaiterCallCount();
+    lock().AssertAcquired();
+    return MOJO_RESULT_FAILED_PRECONDITION;
+  }
+
+  virtual void RemoveWaiterImplNoLock(Waiter* /*waiter*/) OVERRIDE {
+    info_->IncrementRemoveWaiterCallCount();
+    lock().AssertAcquired();
+  }
+
+  virtual void CancelAllWaitersNoLock() OVERRIDE {
+    info_->IncrementCancelAllWaitersCallCount();
+    lock().AssertAcquired();
+  }
+
+  CoreTestBase::MockHandleInfo* const info_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockDispatcher);
+};
+
+}  // namespace
+
+// CoreTestBase ----------------------------------------------------------------
+
+CoreTestBase::CoreTestBase() {
+}
+
+CoreTestBase::~CoreTestBase() {
+}
+
+void CoreTestBase::SetUp() {
+  core_ = new CoreImpl();
+}
+
+void CoreTestBase::TearDown() {
+  delete core_;
+  core_ = NULL;
+}
+
+MojoHandle CoreTestBase::CreateMockHandle(CoreTestBase::MockHandleInfo* info) {
+  CHECK(core_);
+  scoped_refptr<MockDispatcher> dispatcher(new MockDispatcher(info));
+  base::AutoLock locker(core_->handle_table_lock_);
+  return core_->AddDispatcherNoLock(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),
+      add_waiter_call_count_(0),
+      remove_waiter_call_count_(0),
+      cancel_all_waiters_call_count_(0) {
+}
+
+CoreTestBase_MockHandleInfo::~CoreTestBase_MockHandleInfo() {
+}
+
+unsigned CoreTestBase_MockHandleInfo::GetCtorCallCount() const {
+  base::AutoLock locker(lock_);
+  return ctor_call_count_;
+}
+
+unsigned CoreTestBase_MockHandleInfo::GetDtorCallCount() const {
+  base::AutoLock locker(lock_);
+  return dtor_call_count_;
+}
+
+unsigned CoreTestBase_MockHandleInfo::GetCloseCallCount() const {
+  base::AutoLock locker(lock_);
+  return close_call_count_;
+}
+
+unsigned CoreTestBase_MockHandleInfo::GetWriteMessageCallCount() const {
+  base::AutoLock locker(lock_);
+  return write_message_call_count_;
+}
+
+unsigned CoreTestBase_MockHandleInfo::GetReadMessageCallCount() const {
+  base::AutoLock locker(lock_);
+  return read_message_call_count_;
+}
+
+unsigned CoreTestBase_MockHandleInfo::GetAddWaiterCallCount() const {
+  base::AutoLock locker(lock_);
+  return add_waiter_call_count_;
+}
+
+unsigned CoreTestBase_MockHandleInfo::GetRemoveWaiterCallCount() const {
+  base::AutoLock locker(lock_);
+  return remove_waiter_call_count_;
+}
+
+unsigned CoreTestBase_MockHandleInfo::GetCancelAllWaitersCallCount() const {
+  base::AutoLock locker(lock_);
+  return cancel_all_waiters_call_count_;
+}
+
+void CoreTestBase_MockHandleInfo::IncrementCtorCallCount() {
+  base::AutoLock locker(lock_);
+  ctor_call_count_++;
+}
+
+void CoreTestBase_MockHandleInfo::IncrementDtorCallCount() {
+  base::AutoLock locker(lock_);
+  dtor_call_count_++;
+}
+
+void CoreTestBase_MockHandleInfo::IncrementCloseCallCount() {
+  base::AutoLock locker(lock_);
+  close_call_count_++;
+}
+
+void CoreTestBase_MockHandleInfo::IncrementWriteMessageCallCount() {
+  base::AutoLock locker(lock_);
+  write_message_call_count_++;
+}
+
+void CoreTestBase_MockHandleInfo::IncrementReadMessageCallCount() {
+  base::AutoLock locker(lock_);
+  read_message_call_count_++;
+}
+
+void CoreTestBase_MockHandleInfo::IncrementAddWaiterCallCount() {
+  base::AutoLock locker(lock_);
+  add_waiter_call_count_++;
+}
+
+void CoreTestBase_MockHandleInfo::IncrementRemoveWaiterCallCount() {
+  base::AutoLock locker(lock_);
+  remove_waiter_call_count_++;
+}
+
+void CoreTestBase_MockHandleInfo::IncrementCancelAllWaitersCallCount() {
+  base::AutoLock locker(lock_);
+  cancel_all_waiters_call_count_++;
+}
+
+}  // namespace test
+}  // namespace system
+}  // namespace mojo