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/*
* Copyright (c) 2022 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 "test/pc/e2e/analyzer/video/default_video_quality_analyzer_stream_state.h"
#include <set>
#include "api/units/timestamp.h"
#include "system_wrappers/include/clock.h"
#include "test/gtest.h"
namespace webrtc {
namespace {
TEST(StreamStateTest, PopFrontAndFrontIndependentForEachPeer) {
StreamState state(/*sender=*/0,
/*receivers=*/std::set<size_t>{1, 2}, Timestamp::Seconds(1),
Clock::GetRealTimeClock());
state.PushBack(/*frame_id=*/1);
state.PushBack(/*frame_id=*/2);
EXPECT_EQ(state.Front(/*peer=*/1), 1);
EXPECT_EQ(state.PopFront(/*peer=*/1), 1);
EXPECT_EQ(state.Front(/*peer=*/1), 2);
EXPECT_EQ(state.PopFront(/*peer=*/1), 2);
EXPECT_EQ(state.Front(/*peer=*/2), 1);
EXPECT_EQ(state.PopFront(/*peer=*/2), 1);
EXPECT_EQ(state.Front(/*peer=*/2), 2);
EXPECT_EQ(state.PopFront(/*peer=*/2), 2);
}
TEST(StreamStateTest, IsEmpty) {
StreamState state(/*sender=*/0,
/*receivers=*/std::set<size_t>{1, 2}, Timestamp::Seconds(1),
Clock::GetRealTimeClock());
state.PushBack(/*frame_id=*/1);
EXPECT_FALSE(state.IsEmpty(/*peer=*/1));
state.PopFront(/*peer=*/1);
EXPECT_TRUE(state.IsEmpty(/*peer=*/1));
}
TEST(StreamStateTest, PopFrontForOnlyOnePeerDontChangeAliveFramesCount) {
StreamState state(/*sender=*/0,
/*receivers=*/std::set<size_t>{1, 2}, Timestamp::Seconds(1),
Clock::GetRealTimeClock());
state.PushBack(/*frame_id=*/1);
state.PushBack(/*frame_id=*/2);
EXPECT_EQ(state.GetAliveFramesCount(), 2lu);
state.PopFront(/*peer=*/1);
state.PopFront(/*peer=*/1);
EXPECT_EQ(state.GetAliveFramesCount(), 2lu);
}
TEST(StreamStateTest, PopFrontForAllPeersReducesAliveFramesCount) {
StreamState state(/*sender=*/0,
/*receivers=*/std::set<size_t>{1, 2}, Timestamp::Seconds(1),
Clock::GetRealTimeClock());
state.PushBack(/*frame_id=*/1);
state.PushBack(/*frame_id=*/2);
EXPECT_EQ(state.GetAliveFramesCount(), 2lu);
state.PopFront(/*peer=*/1);
state.PopFront(/*peer=*/2);
EXPECT_EQ(state.GetAliveFramesCount(), 1lu);
}
TEST(StreamStateTest, RemovePeerForLastExpectedReceiverUpdatesAliveFrames) {
StreamState state(/*sender=*/0,
/*receivers=*/std::set<size_t>{1, 2}, Timestamp::Seconds(1),
Clock::GetRealTimeClock());
state.PushBack(/*frame_id=*/1);
state.PushBack(/*frame_id=*/2);
state.PopFront(/*peer=*/1);
EXPECT_EQ(state.GetAliveFramesCount(), 2lu);
state.RemovePeer(/*peer=*/2);
EXPECT_EQ(state.GetAliveFramesCount(), 1lu);
}
} // namespace
} // namespace webrtc
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