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Diffstat (limited to 'third_party/libwebrtc/modules/video_coding/utility/decoded_frames_history_unittest.cc')
-rw-r--r-- | third_party/libwebrtc/modules/video_coding/utility/decoded_frames_history_unittest.cc | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/video_coding/utility/decoded_frames_history_unittest.cc b/third_party/libwebrtc/modules/video_coding/utility/decoded_frames_history_unittest.cc new file mode 100644 index 0000000000..ac09a42053 --- /dev/null +++ b/third_party/libwebrtc/modules/video_coding/utility/decoded_frames_history_unittest.cc @@ -0,0 +1,114 @@ +/* + * Copyright (c) 2019 The WebRTC 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 in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "modules/video_coding/utility/decoded_frames_history.h" + +#include "test/gtest.h" + +namespace webrtc { +namespace video_coding { +namespace { + +constexpr int kHistorySize = 1 << 13; + +TEST(DecodedFramesHistory, RequestOnEmptyHistory) { + DecodedFramesHistory history(kHistorySize); + EXPECT_EQ(history.WasDecoded(1234), false); +} + +TEST(DecodedFramesHistory, FindsLastDecodedFrame) { + DecodedFramesHistory history(kHistorySize); + history.InsertDecoded(1234, 0); + EXPECT_EQ(history.WasDecoded(1234), true); +} + +TEST(DecodedFramesHistory, FindsPreviousFrame) { + DecodedFramesHistory history(kHistorySize); + history.InsertDecoded(1234, 0); + history.InsertDecoded(1235, 0); + EXPECT_EQ(history.WasDecoded(1234), true); +} + +TEST(DecodedFramesHistory, ReportsMissingFrame) { + DecodedFramesHistory history(kHistorySize); + history.InsertDecoded(1234, 0); + history.InsertDecoded(1236, 0); + EXPECT_EQ(history.WasDecoded(1235), false); +} + +TEST(DecodedFramesHistory, ClearsHistory) { + DecodedFramesHistory history(kHistorySize); + history.InsertDecoded(1234, 0); + history.Clear(); + EXPECT_EQ(history.WasDecoded(1234), false); + EXPECT_EQ(history.GetLastDecodedFrameId(), absl::nullopt); + EXPECT_EQ(history.GetLastDecodedFrameTimestamp(), absl::nullopt); +} + +TEST(DecodedFramesHistory, HandlesBigJumpInPictureId) { + DecodedFramesHistory history(kHistorySize); + history.InsertDecoded(1234, 0); + history.InsertDecoded(1235, 0); + history.InsertDecoded(1236, 0); + history.InsertDecoded(1236 + kHistorySize / 2, 0); + EXPECT_EQ(history.WasDecoded(1234), true); + EXPECT_EQ(history.WasDecoded(1237), false); +} + +TEST(DecodedFramesHistory, ForgetsTooOldHistory) { + DecodedFramesHistory history(kHistorySize); + history.InsertDecoded(1234, 0); + history.InsertDecoded(1235, 0); + history.InsertDecoded(1236, 0); + history.InsertDecoded(1236 + kHistorySize * 2, 0); + EXPECT_EQ(history.WasDecoded(1234), false); + EXPECT_EQ(history.WasDecoded(1237), false); +} + +TEST(DecodedFramesHistory, ReturnsLastDecodedFrameId) { + DecodedFramesHistory history(kHistorySize); + EXPECT_EQ(history.GetLastDecodedFrameId(), absl::nullopt); + history.InsertDecoded(1234, 0); + EXPECT_EQ(history.GetLastDecodedFrameId(), 1234); + history.InsertDecoded(1235, 0); + EXPECT_EQ(history.GetLastDecodedFrameId(), 1235); +} + +TEST(DecodedFramesHistory, ReturnsLastDecodedFrameTimestamp) { + DecodedFramesHistory history(kHistorySize); + EXPECT_EQ(history.GetLastDecodedFrameTimestamp(), absl::nullopt); + history.InsertDecoded(1234, 12345); + EXPECT_EQ(history.GetLastDecodedFrameTimestamp(), 12345u); + history.InsertDecoded(1235, 12366); + EXPECT_EQ(history.GetLastDecodedFrameTimestamp(), 12366u); +} + +TEST(DecodedFramesHistory, NegativePictureIds) { + DecodedFramesHistory history(kHistorySize); + history.InsertDecoded(-1234, 12345); + history.InsertDecoded(-1233, 12366); + EXPECT_EQ(*history.GetLastDecodedFrameId(), -1233); + + history.InsertDecoded(-1, 12377); + history.InsertDecoded(0, 12388); + EXPECT_EQ(*history.GetLastDecodedFrameId(), 0); + + history.InsertDecoded(1, 12399); + EXPECT_EQ(*history.GetLastDecodedFrameId(), 1); + + EXPECT_EQ(history.WasDecoded(-1234), true); + EXPECT_EQ(history.WasDecoded(-1), true); + EXPECT_EQ(history.WasDecoded(0), true); + EXPECT_EQ(history.WasDecoded(1), true); +} + +} // namespace +} // namespace video_coding +} // namespace webrtc |