Revert of Merge webrtc/video_engine/ into webrtc/video/

webrtc/video/report_block_stats_unittest.cc

-/*
- *  Copyright (c) 2014 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 "testing/gtest/include/gtest/gtest.h"
-
-#include "webrtc/video/report_block_stats.h"
-
-namespace webrtc {
-
-class ReportBlockStatsTest : public ::testing::Test {
- protected:
-  ReportBlockStatsTest() : kSsrc1(0x12345), kSsrc2(0x23456) {}
-
-  void SetUp() override {
-    // kSsrc1: block 1-3.
-    block1_1_.cumulativeLost = 10;
-    block1_1_.fractionLost = 123;
-    block1_1_.extendedHighSeqNum = 24000;
-    block1_1_.jitter = 777;
-    block1_1_.sourceSSRC = kSsrc1;
-    block1_2_.cumulativeLost = 15;
-    block1_2_.fractionLost = 0;
-    block1_2_.extendedHighSeqNum = 24100;
-    block1_2_.jitter = 222;
-    block1_2_.sourceSSRC = kSsrc1;
-    block1_3_.cumulativeLost = 50;
-    block1_3_.fractionLost = 0;
-    block1_3_.extendedHighSeqNum = 24200;
-    block1_3_.jitter = 333;
-    block1_3_.sourceSSRC = kSsrc1;
-    // kSsrc2: block 1,2.
-    block2_1_.cumulativeLost = 111;
-    block2_1_.fractionLost = 222;
-    block2_1_.extendedHighSeqNum = 8500;
-    block2_1_.jitter = 555;
-    block2_1_.sourceSSRC = kSsrc2;
-    block2_2_.cumulativeLost = 136;
-    block2_2_.fractionLost = 0;
-    block2_2_.extendedHighSeqNum = 8800;
-    block2_2_.jitter = 888;
-    block2_2_.sourceSSRC = kSsrc2;
-
-    ssrc1block1_.push_back(block1_1_);
-    ssrc1block2_.push_back(block1_2_);
-    ssrc12block1_.push_back(block1_1_);
-    ssrc12block1_.push_back(block2_1_);
-    ssrc12block2_.push_back(block1_2_);
-    ssrc12block2_.push_back(block2_2_);
-  }
-
-  RtcpStatistics RtcpReportBlockToRtcpStatistics(
-      const RTCPReportBlock& stats) {
-    RtcpStatistics block;
-    block.cumulative_lost = stats.cumulativeLost;
-    block.fraction_lost = stats.fractionLost;
-    block.extended_max_sequence_number = stats.extendedHighSeqNum;
-    block.jitter = stats.jitter;
-    return block;
-  }
-
-  const uint32_t kSsrc1;
-  const uint32_t kSsrc2;
-  RTCPReportBlock block1_1_;
-  RTCPReportBlock block1_2_;
-  RTCPReportBlock block1_3_;
-  RTCPReportBlock block2_1_;
-  RTCPReportBlock block2_2_;
-  std::vector<RTCPReportBlock> ssrc1block1_;
-  std::vector<RTCPReportBlock> ssrc1block2_;
-  std::vector<RTCPReportBlock> ssrc12block1_;
-  std::vector<RTCPReportBlock> ssrc12block2_;
-};
-
-TEST_F(ReportBlockStatsTest, AggregateAndStore_NoSsrc) {
-  ReportBlockStats stats;
-  std::vector<RTCPReportBlock> empty;
-  RTCPReportBlock aggregated = stats.AggregateAndStore(empty);
-  EXPECT_EQ(0U, aggregated.fractionLost);
-  EXPECT_EQ(0U, aggregated.cumulativeLost);
-  EXPECT_EQ(0U, aggregated.jitter);
-  EXPECT_EQ(0U, aggregated.extendedHighSeqNum);
-}
-
-TEST_F(ReportBlockStatsTest, AggregateAndStore_OneSsrc) {
-  ReportBlockStats stats;
-  RTCPReportBlock aggregated = stats.AggregateAndStore(ssrc1block1_);
-  // One ssrc, no aggregation done.
-  EXPECT_EQ(123U, aggregated.fractionLost);
-  EXPECT_EQ(10U, aggregated.cumulativeLost);
-  EXPECT_EQ(777U, aggregated.jitter);
-  EXPECT_EQ(24000U, aggregated.extendedHighSeqNum);
-
-  aggregated = stats.AggregateAndStore(ssrc1block2_);
-  EXPECT_EQ(0U, aggregated.fractionLost);
-  EXPECT_EQ(15U, aggregated.cumulativeLost);
-  EXPECT_EQ(222U, aggregated.jitter);
-  EXPECT_EQ(24100U, aggregated.extendedHighSeqNum);
-
-  // fl: 100 * (15-10) / (24100-24000) = 5%
-  EXPECT_EQ(5, stats.FractionLostInPercent());
-}
-
-TEST_F(ReportBlockStatsTest, AggregateAndStore_TwoSsrcs) {
-  ReportBlockStats stats;
-  RTCPReportBlock aggregated = stats.AggregateAndStore(ssrc12block1_);
-  EXPECT_EQ(0U, aggregated.fractionLost);
-  EXPECT_EQ(10U + 111U, aggregated.cumulativeLost);
-  EXPECT_EQ((777U + 555U) / 2, aggregated.jitter);
-  EXPECT_EQ(0U, aggregated.extendedHighSeqNum);
-
-  aggregated = stats.AggregateAndStore(ssrc12block2_);
-  // fl: 255 * ((15-10) + (136-111)) / ((24100-24000) + (8800-8500)) = 19
-  EXPECT_EQ(19U, aggregated.fractionLost);
-  EXPECT_EQ(15U + 136U, aggregated.cumulativeLost);
-  EXPECT_EQ((222U + 888U) / 2, aggregated.jitter);
-  EXPECT_EQ(0U, aggregated.extendedHighSeqNum);
-
-  // fl: 100 * ((15-10) + (136-111)) / ((24100-24000) + (8800-8500)) = 7%
-  EXPECT_EQ(7, stats.FractionLostInPercent());
-}
-
-TEST_F(ReportBlockStatsTest, StoreAndGetFractionLost) {
-  const uint32_t kRemoteSsrc = 1;
-  ReportBlockStats stats;
-  EXPECT_EQ(-1, stats.FractionLostInPercent());
-
-  // First block.
-  stats.Store(RtcpReportBlockToRtcpStatistics(block1_1_), kRemoteSsrc, kSsrc1);
-  EXPECT_EQ(-1, stats.FractionLostInPercent());
-  // fl: 100 * (15-10) / (24100-24000) = 5%
-  stats.Store(RtcpReportBlockToRtcpStatistics(block1_2_), kRemoteSsrc, kSsrc1);
-  EXPECT_EQ(5, stats.FractionLostInPercent());
-  // fl: 100 * (50-10) / (24200-24000) = 20%
-  stats.Store(RtcpReportBlockToRtcpStatistics(block1_3_), kRemoteSsrc, kSsrc1);
-  EXPECT_EQ(20, stats.FractionLostInPercent());
-}
-
-}  // namespace webrtc
-