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/*
* Copyright 2016 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 "sdk/media_constraints.h"
#include "test/gtest.h"
namespace webrtc {
namespace {
// Checks all settings touched by CopyConstraintsIntoRtcConfiguration,
// plus audio_jitter_buffer_max_packets.
bool Matches(const PeerConnectionInterface::RTCConfiguration& a,
const PeerConnectionInterface::RTCConfiguration& b) {
return a.audio_jitter_buffer_max_packets ==
b.audio_jitter_buffer_max_packets &&
a.screencast_min_bitrate == b.screencast_min_bitrate &&
a.combined_audio_video_bwe == b.combined_audio_video_bwe &&
a.media_config == b.media_config;
}
TEST(MediaConstraints, CopyConstraintsIntoRtcConfiguration) {
const MediaConstraints constraints_empty;
PeerConnectionInterface::RTCConfiguration old_configuration;
PeerConnectionInterface::RTCConfiguration configuration;
CopyConstraintsIntoRtcConfiguration(&constraints_empty, &configuration);
EXPECT_TRUE(Matches(old_configuration, configuration));
const MediaConstraints constraints_screencast(
{MediaConstraints::Constraint(MediaConstraints::kScreencastMinBitrate,
"27")},
{});
CopyConstraintsIntoRtcConfiguration(&constraints_screencast, &configuration);
EXPECT_TRUE(configuration.screencast_min_bitrate);
EXPECT_EQ(27, *(configuration.screencast_min_bitrate));
// An empty set of constraints will not overwrite
// values that are already present.
configuration = old_configuration;
configuration.audio_jitter_buffer_max_packets = 34;
CopyConstraintsIntoRtcConfiguration(&constraints_empty, &configuration);
EXPECT_EQ(34, configuration.audio_jitter_buffer_max_packets);
}
} // namespace
} // namespace webrtc
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