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ea7474ee74
its content is duplicated in the report_block_data member Bug: webrtc:10678 Change-Id: I89421ae4ab5f727a233161924372105e222ed404 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/219080 Reviewed-by: Erik Språng <sprang@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34039}
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
/*
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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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namespace {
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constexpr uint32_t kSsrc1 = 123;
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constexpr uint32_t kSsrc2 = 234;
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TEST(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, /*packets_lost=*/10,
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/*extended_highest_sequence_number=*/24'000);
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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, /*packets_lost=*/15,
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/*extended_highest_sequence_number=*/24'100);
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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, /*packets_lost=*/50,
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/*extended_highest_sequence_number=*/24'200);
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EXPECT_EQ(20, stats.FractionLostInPercent());
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}
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TEST(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, /*packets_lost=*/10,
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/*extended_highest_sequence_number=*/24'000);
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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, /*packets_lost=*/15,
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/*extended_highest_sequence_number=*/24'100);
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EXPECT_EQ(5, stats.FractionLostInPercent());
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// First report, kSsrc2.
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stats.Store(kSsrc2, /*packets_lost=*/111,
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/*extended_highest_sequence_number=*/8'500);
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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, /*packets_lost=*/136,
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/*extended_highest_sequence_number=*/8'800);
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EXPECT_EQ(7, stats.FractionLostInPercent());
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}
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} // namespace
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} // namespace webrtc
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