| // 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 "content/browser/device_orientation/device_motion_provider.h" |
| |
| #include "base/logging.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/synchronization/waitable_event.h" |
| #include "content/browser/device_orientation/data_fetcher_shared_memory.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace content { |
| |
| namespace { |
| |
| const int kPeriodInMilliseconds = 100; |
| |
| class FakeDataFetcherSharedMemory : public DataFetcherSharedMemory { |
| public: |
| FakeDataFetcherSharedMemory() |
| : start_fetching_data_(false, false), |
| stop_fetching_data_(false, false), |
| fetched_data_(false, false) { |
| } |
| virtual ~FakeDataFetcherSharedMemory() { } |
| |
| virtual bool NeedsPolling() OVERRIDE { |
| return true; |
| } |
| |
| virtual bool FetchDeviceMotionDataIntoBuffer() OVERRIDE { |
| buffer_->seqlock.WriteBegin(); |
| buffer_->data.interval = kPeriodInMilliseconds; |
| buffer_->seqlock.WriteEnd(); |
| fetched_data_.Signal(); |
| return true; |
| } |
| |
| virtual bool StartFetchingDeviceMotionData( |
| DeviceMotionHardwareBuffer* buffer) OVERRIDE { |
| buffer_ = buffer; |
| start_fetching_data_.Signal(); |
| return true; |
| } |
| |
| virtual void StopFetchingDeviceMotionData() OVERRIDE { |
| stop_fetching_data_.Signal(); |
| } |
| |
| void WaitForStart() { |
| start_fetching_data_.Wait(); |
| } |
| |
| void WaitForStop() { |
| stop_fetching_data_.Wait(); |
| } |
| |
| void WaitForDataFetch() { |
| fetched_data_.Wait(); |
| } |
| |
| DeviceMotionHardwareBuffer* GetBuffer() { |
| return buffer_; |
| } |
| |
| private: |
| base::WaitableEvent start_fetching_data_; |
| base::WaitableEvent stop_fetching_data_; |
| base::WaitableEvent fetched_data_; |
| DeviceMotionHardwareBuffer* buffer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FakeDataFetcherSharedMemory); |
| }; |
| |
| |
| TEST(DeviceMotionProviderTest, DoesPolling) { |
| FakeDataFetcherSharedMemory* mock_data_fetcher = |
| new FakeDataFetcherSharedMemory(); |
| EXPECT_TRUE(mock_data_fetcher->NeedsPolling()); |
| |
| scoped_ptr<DeviceMotionProvider> provider(new DeviceMotionProvider( |
| scoped_ptr<DataFetcherSharedMemory>(mock_data_fetcher))); |
| |
| provider->StartFetchingDeviceMotionData(); |
| mock_data_fetcher->WaitForStart(); |
| mock_data_fetcher->WaitForDataFetch(); |
| |
| EXPECT_EQ(kPeriodInMilliseconds, |
| mock_data_fetcher->GetBuffer()->data.interval); |
| |
| provider->StopFetchingDeviceMotionData(); |
| mock_data_fetcher->WaitForStop(); |
| } |
| |
| } // namespace |
| |
| } // namespace content |