1 files changed, 57 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/pc/e2e/analyzer/video/video_frame_tracking_id_injector_unittest.cc b/third_party/libwebrtc/test/pc/e2e/analyzer/video/video_frame_tracking_id_injector_unittest.cc
new file mode 100644
index 0000000000..c7d453c4bb
--- /dev/null
+++ b/third_party/libwebrtc/test/pc/e2e/analyzer/video/video_frame_tracking_id_injector_unittest.cc
@@ -0,0 +1,57 @@
+/*
+ *  Copyright (c) 2021 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 "test/pc/e2e/analyzer/video/video_frame_tracking_id_injector.h"
+
+#include "api/video/encoded_image.h"
+#include "rtc_base/buffer.h"
+#include "test/gtest.h"
+
+namespace webrtc {
+namespace webrtc_pc_e2e {
+namespace {
+
+EncodedImage CreateEncodedImageOfSizeN(size_t n) {
+  EncodedImage image;
+  rtc::scoped_refptr<EncodedImageBuffer> buffer = EncodedImageBuffer::Create(n);
+  for (size_t i = 0; i < n; ++i) {
+    buffer->data()[i] = static_cast<uint8_t>(i);
+  }
+  image.SetEncodedData(buffer);
+  return image;
+}
+
+TEST(VideoFrameTrackingIdInjectorTest, InjectExtractDiscardFalse) {
+  VideoFrameTrackingIdInjector injector;
+  EncodedImage source = CreateEncodedImageOfSizeN(10);
+  EncodedImageExtractionResult out =
+      injector.ExtractData(injector.InjectData(512, false, source));
+
+  ASSERT_TRUE(out.id.has_value());
+  EXPECT_EQ(*out.id, 512);
+  EXPECT_FALSE(out.discard);
+  EXPECT_EQ(out.image.size(), 10ul);
+  for (int i = 0; i < 10; ++i) {
+    EXPECT_EQ(source.data()[i], out.image.data()[i]);
+  }
+}
+
+#if GTEST_HAS_DEATH_TEST
+TEST(VideoFrameTrackingIdInjectorTest, InjectExtractDiscardTrue) {
+  VideoFrameTrackingIdInjector injector;
+  EncodedImage source = CreateEncodedImageOfSizeN(10);
+
+  EXPECT_DEATH(injector.InjectData(512, true, source), "");
+}
+#endif  // GTEST_HAS_DEATH_TEST
+
+}  // namespace
+}  // namespace webrtc_pc_e2e
+}  // namespace webrtc