Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 63 insertions, 0 deletions

diff --git a/third_party/libwebrtc/video/report_block_stats_unittest.cc b/third_party/libwebrtc/video/report_block_stats_unittest.cc
new file mode 100644
index 0000000000..bd66e571a0
--- /dev/null
+++ b/third_party/libwebrtc/video/report_block_stats_unittest.cc
@@ -0,0 +1,63 @@
+/*
+ *  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 "video/report_block_stats.h"
+
+#include "test/gtest.h"
+
+namespace webrtc {
+namespace {
+
+constexpr uint32_t kSsrc1 = 123;
+constexpr uint32_t kSsrc2 = 234;
+
+TEST(ReportBlockStatsTest, StoreAndGetFractionLost) {
+  ReportBlockStats stats;
+  EXPECT_EQ(-1, stats.FractionLostInPercent());
+
+  // First report.
+  stats.Store(kSsrc1, /*packets_lost=*/10,
+              /*extended_highest_sequence_number=*/24'000);
+  EXPECT_EQ(-1, stats.FractionLostInPercent());
+  // fl: 100 * (15-10) / (24100-24000) = 5%
+  stats.Store(kSsrc1, /*packets_lost=*/15,
+              /*extended_highest_sequence_number=*/24'100);
+  EXPECT_EQ(5, stats.FractionLostInPercent());
+  // fl: 100 * (50-10) / (24200-24000) = 20%
+  stats.Store(kSsrc1, /*packets_lost=*/50,
+              /*extended_highest_sequence_number=*/24'200);
+  EXPECT_EQ(20, stats.FractionLostInPercent());
+}
+
+TEST(ReportBlockStatsTest, StoreAndGetFractionLost_TwoSsrcs) {
+  ReportBlockStats stats;
+  EXPECT_EQ(-1, stats.FractionLostInPercent());
+
+  // First report.
+  stats.Store(kSsrc1, /*packets_lost=*/10,
+              /*extended_highest_sequence_number=*/24'000);
+  EXPECT_EQ(-1, stats.FractionLostInPercent());
+  // fl: 100 * (15-10) / (24100-24000) = 5%
+  stats.Store(kSsrc1, /*packets_lost=*/15,
+              /*extended_highest_sequence_number=*/24'100);
+  EXPECT_EQ(5, stats.FractionLostInPercent());
+
+  // First report, kSsrc2.
+  stats.Store(kSsrc2, /*packets_lost=*/111,
+              /*extended_highest_sequence_number=*/8'500);
+  EXPECT_EQ(5, stats.FractionLostInPercent());
+  // fl: 100 * ((15-10) + (136-111)) / ((24100-24000) + (8800-8500)) = 7%
+  stats.Store(kSsrc2, /*packets_lost=*/136,
+              /*extended_highest_sequence_number=*/8'800);
+  EXPECT_EQ(7, stats.FractionLostInPercent());
+}
+
+}  // namespace
+}  // namespace webrtc