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78 lines
2.4 KiB
78 lines
2.4 KiB
/*
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* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "video/report_block_stats.h"
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#include "test/gtest.h"
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namespace webrtc {
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class ReportBlockStatsTest : public ::testing::Test {
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protected:
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ReportBlockStatsTest() {
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// kSsrc1: report 1-3.
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stats1_1_.packets_lost = 10;
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stats1_1_.extended_highest_sequence_number = 24000;
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stats1_2_.packets_lost = 15;
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stats1_2_.extended_highest_sequence_number = 24100;
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stats1_3_.packets_lost = 50;
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stats1_3_.extended_highest_sequence_number = 24200;
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// kSsrc2: report 1,2.
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stats2_1_.packets_lost = 111;
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stats2_1_.extended_highest_sequence_number = 8500;
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stats2_2_.packets_lost = 136;
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stats2_2_.extended_highest_sequence_number = 8800;
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}
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const uint32_t kSsrc1 = 123;
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const uint32_t kSsrc2 = 234;
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RtcpStatistics stats1_1_;
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RtcpStatistics stats1_2_;
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RtcpStatistics stats1_3_;
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RtcpStatistics stats2_1_;
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RtcpStatistics stats2_2_;
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};
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TEST_F(ReportBlockStatsTest, StoreAndGetFractionLost) {
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ReportBlockStats stats;
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EXPECT_EQ(-1, stats.FractionLostInPercent());
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// First report.
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stats.Store(kSsrc1, stats1_1_);
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EXPECT_EQ(-1, stats.FractionLostInPercent());
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// fl: 100 * (15-10) / (24100-24000) = 5%
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stats.Store(kSsrc1, stats1_2_);
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EXPECT_EQ(5, stats.FractionLostInPercent());
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// fl: 100 * (50-10) / (24200-24000) = 20%
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stats.Store(kSsrc1, stats1_3_);
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EXPECT_EQ(20, stats.FractionLostInPercent());
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}
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TEST_F(ReportBlockStatsTest, StoreAndGetFractionLost_TwoSsrcs) {
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ReportBlockStats stats;
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EXPECT_EQ(-1, stats.FractionLostInPercent());
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// First report.
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stats.Store(kSsrc1, stats1_1_);
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EXPECT_EQ(-1, stats.FractionLostInPercent());
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// fl: 100 * (15-10) / (24100-24000) = 5%
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stats.Store(kSsrc1, stats1_2_);
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EXPECT_EQ(5, stats.FractionLostInPercent());
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// First report, kSsrc2.
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stats.Store(kSsrc2, stats2_1_);
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EXPECT_EQ(5, stats.FractionLostInPercent());
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// fl: 100 * ((15-10) + (136-111)) / ((24100-24000) + (8800-8500)) = 7%
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stats.Store(kSsrc2, stats2_2_);
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EXPECT_EQ(7, stats.FractionLostInPercent());
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}
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} // namespace webrtc
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