1 files changed, 64 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/video/test/video_bitrate_allocation_unittest.cc b/third_party/libwebrtc/api/video/test/video_bitrate_allocation_unittest.cc
new file mode 100644
index 0000000000..8e66d4b0a1
--- /dev/null
+++ b/third_party/libwebrtc/api/video/test/video_bitrate_allocation_unittest.cc
@@ -0,0 +1,64 @@
+/*
+ *  Copyright (c) 2018 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 "api/video/video_bitrate_allocation.h"
+
+#include <vector>
+
+#include "absl/types/optional.h"
+#include "test/gtest.h"
+
+namespace webrtc {
+TEST(VideoBitrateAllocation, SimulcastTargetBitrate) {
+  VideoBitrateAllocation bitrate;
+  bitrate.SetBitrate(0, 0, 10000);
+  bitrate.SetBitrate(0, 1, 20000);
+  bitrate.SetBitrate(1, 0, 40000);
+  bitrate.SetBitrate(1, 1, 80000);
+
+  VideoBitrateAllocation layer0_bitrate;
+  layer0_bitrate.SetBitrate(0, 0, 10000);
+  layer0_bitrate.SetBitrate(0, 1, 20000);
+
+  VideoBitrateAllocation layer1_bitrate;
+  layer1_bitrate.SetBitrate(0, 0, 40000);
+  layer1_bitrate.SetBitrate(0, 1, 80000);
+
+  std::vector<absl::optional<VideoBitrateAllocation>> layer_allocations =
+      bitrate.GetSimulcastAllocations();
+
+  EXPECT_EQ(layer0_bitrate, layer_allocations[0]);
+  EXPECT_EQ(layer1_bitrate, layer_allocations[1]);
+}
+
+TEST(VideoBitrateAllocation, SimulcastTargetBitrateWithInactiveStream) {
+  // Create bitrate allocation with bitrate only for the first and third stream.
+  VideoBitrateAllocation bitrate;
+  bitrate.SetBitrate(0, 0, 10000);
+  bitrate.SetBitrate(0, 1, 20000);
+  bitrate.SetBitrate(2, 0, 40000);
+  bitrate.SetBitrate(2, 1, 80000);
+
+  VideoBitrateAllocation layer0_bitrate;
+  layer0_bitrate.SetBitrate(0, 0, 10000);
+  layer0_bitrate.SetBitrate(0, 1, 20000);
+
+  VideoBitrateAllocation layer2_bitrate;
+  layer2_bitrate.SetBitrate(0, 0, 40000);
+  layer2_bitrate.SetBitrate(0, 1, 80000);
+
+  std::vector<absl::optional<VideoBitrateAllocation>> layer_allocations =
+      bitrate.GetSimulcastAllocations();
+
+  EXPECT_EQ(layer0_bitrate, layer_allocations[0]);
+  EXPECT_FALSE(layer_allocations[1]);
+  EXPECT_EQ(layer2_bitrate, layer_allocations[2]);
+}
+}  // namespace webrtc