Index: media/capture/webm_muxer_unittest.cc |
diff --git a/media/capture/webm_muxer_unittest.cc b/media/capture/webm_muxer_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6ae525c4ffd1c0b79e431371ab499ac7b800bbe7 |
--- /dev/null |
+++ b/media/capture/webm_muxer_unittest.cc |
@@ -0,0 +1,128 @@ |
+// Copyright 2015 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 "base/bind.h" |
+#include "base/location.h" |
+#include "base/macros.h" |
+#include "base/memory/ref_counted.h" |
+#include "base/memory/scoped_ptr.h" |
+#include "media/capture/webm_muxer.h" |
+#include "testing/gmock/include/gmock/gmock.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+using ::testing::_; |
+using ::testing::AtLeast; |
+using ::testing::Mock; |
+using ::testing::WithArgs; |
+ |
+namespace media { |
+ |
+// Dummy interface class to be able to MOCK its only function below. |
+class EventHandlerInterface { |
+ public: |
+ virtual void WriteCallback(const base::StringPiece& encoded_data) = 0; |
+ virtual ~EventHandlerInterface() {} |
+}; |
+ |
+class WebmMuxerTest : public testing::Test, public EventHandlerInterface { |
+ public: |
+ WebmMuxerTest() |
+ : webm_muxer_(base::Bind(&WebmMuxerTest::WriteCallback, |
+ base::Unretained(this))), |
+ last_encoded_length_(0), |
+ accumulated_position_(0) { |
+ EXPECT_EQ(webm_muxer_.Position(), 0); |
+ EXPECT_FALSE(webm_muxer_.Seekable()); |
+ EXPECT_EQ(webm_muxer_.segment_.mode(), mkvmuxer::Segment::kLive); |
+ } |
+ |
+ MOCK_METHOD1(WriteCallback, void(const base::StringPiece&)); |
+ |
+ void SaveEncodedDataLen(const base::StringPiece& encoded_data) { |
+ last_encoded_length_ = encoded_data.size(); |
+ accumulated_position_ += encoded_data.size(); |
+ } |
+ |
+ mkvmuxer::int64 GetWebmMuxerPosition() const { |
+ return webm_muxer_.Position(); |
+ } |
+ |
+ const mkvmuxer::Segment& GetWebmMuxerSegment() const { |
+ return webm_muxer_.segment_; |
+ } |
+ |
+ mkvmuxer::int32 WebmMuxerWrite(const void* buf, mkvmuxer::uint32 len) { |
+ return webm_muxer_.Write(buf, len); |
+ } |
+ |
+ WebmMuxer webm_muxer_; |
+ |
+ size_t last_encoded_length_; |
+ int64_t accumulated_position_; |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(WebmMuxerTest); |
+}; |
+ |
+// Checks that AddVideoTrack adds a Track. |
+TEST_F(WebmMuxerTest, AddVideoTrack) { |
+ const uint64_t track_number = webm_muxer_.AddVideoTrack(gfx::Size(320, 240), |
+ 30.0f); |
+ EXPECT_TRUE(GetWebmMuxerSegment().GetTrackByNumber(track_number)); |
+} |
+ |
+// Checks that the WriteCallback is called with appropriate params when |
+// WebmMuxer::Write() method is called. |
+TEST_F(WebmMuxerTest, Write) { |
+ const base::StringPiece encoded_data("abcdefghijklmnopqrstuvwxyz"); |
+ |
+ EXPECT_CALL(*this, WriteCallback(encoded_data)); |
+ WebmMuxerWrite(encoded_data.data(), encoded_data.size()); |
+ |
+ EXPECT_EQ(GetWebmMuxerPosition(), static_cast<int64_t>(encoded_data.size())); |
+} |
+ |
+// This test sends two frames and checks that the WriteCallback is called with |
+// appropriate params in both cases. |
+TEST_F(WebmMuxerTest, OnEncodedVideoNormalFrames) { |
+ const base::StringPiece encoded_data("abcdefghijklmnopqrstuvwxyz"); |
+ const uint64_t track_number = webm_muxer_.AddVideoTrack(gfx::Size(320, 240), |
+ 30.0f); |
+ |
+ EXPECT_CALL(*this, WriteCallback(_)) |
+ .Times(AtLeast(1)) |
+ .WillRepeatedly(WithArgs<0>( |
+ Invoke(this, &WebmMuxerTest::SaveEncodedDataLen))); |
+ webm_muxer_.OnEncodedVideo(track_number, |
+ encoded_data, |
+ base::TimeDelta::FromMicroseconds(0), |
+ false /* keyframe */); |
+ |
+ // First time around WriteCallback() is pinged a number of times to write the |
+ // Matroska header, but at the end it dumps |encoded_data|. |
+ EXPECT_EQ(last_encoded_length_, encoded_data.size()); |
+ EXPECT_EQ(GetWebmMuxerPosition(), accumulated_position_); |
+ EXPECT_GE(GetWebmMuxerPosition(), static_cast<int64_t>(last_encoded_length_)); |
+ |
+ const int64_t begin_of_second_block = accumulated_position_; |
+ EXPECT_CALL(*this, WriteCallback(_)) |
+ .Times(AtLeast(1)) |
+ .WillRepeatedly(WithArgs<0>( |
+ Invoke(this, &WebmMuxerTest::SaveEncodedDataLen))); |
+ webm_muxer_.OnEncodedVideo(track_number, |
+ encoded_data, |
+ base::TimeDelta::FromMicroseconds(1), |
+ false /* keyframe */); |
+ |
+ // The second time around the callbacks should include a SimpleBlock header, |
+ // namely the track index, a timestamp and a flags byte, for a total of 6B. |
+ EXPECT_EQ(last_encoded_length_, encoded_data.size()); |
+ EXPECT_EQ(GetWebmMuxerPosition(), accumulated_position_); |
+ const uint32_t kSimpleBlockSize = 6u; |
+ EXPECT_EQ(static_cast<int64_t>(begin_of_second_block + kSimpleBlockSize + |
+ encoded_data.size()), |
+ accumulated_position_); |
+} |
+ |
+} // namespace media |