media/base/codec_list_unittest.cc

/*
 *  Copyright (c) 2025 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 "media/base/codec_list.h"

#include "api/video_codecs/sdp_video_format.h"
#include "test/gtest.h"

namespace cricket {
namespace {

TEST(CodecList, StoreAndRecall) {
  CodecList empty_list(std::vector<Codec>{});
  EXPECT_TRUE(empty_list.empty());
  EXPECT_TRUE(empty_list.codecs().empty());
  Codec video_codec = CreateVideoCodec({webrtc::SdpVideoFormat{"VP8"}});
  CodecList one_codec{{video_codec}};
  EXPECT_EQ(one_codec.size(), 1U);
  EXPECT_EQ(one_codec.codecs()[0], video_codec);
}

#if GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
TEST(CodecList, CrashOnIllegalConstructorArguments) {
  // This tests initializing a CodecList with a sequence that doesn't
  // satisfy its expected invariants. Those invariants are only checked
  // in debug mode.
  // See CodecList::CheckConsistency for what checks are enabled.
  // Checks that can't be enabled log things instead.
  // Note: DCHECK is on in some release builds, so we can't use
  // EXPECT_DEBUG_DEATH here.
  std::vector<Codec> apt_without_number{
      CreateVideoCodec({webrtc::SdpVideoFormat{
          "rtx", webrtc::CodecParameterMap{{"apt", "not-a-number"}}}})};
#if RTC_DCHECK_IS_ON
  EXPECT_DEATH(CodecList bad(apt_without_number), "FromString");
#else
  // Expect initialization to succeed.
  CodecList bad{apt_without_number};
  EXPECT_EQ(bad.size(), 1U);
#endif
}
#endif

}  // namespace
}  // namespace cricket