1 /*
2 * Copyright 2016 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "sdk/media_constraints.h"
12
13 #include "test/gtest.h"
14
15 namespace webrtc {
16
17 namespace {
18
19 // Checks all settings touched by CopyConstraintsIntoRtcConfiguration,
20 // plus audio_jitter_buffer_max_packets.
Matches(const PeerConnectionInterface::RTCConfiguration & a,const PeerConnectionInterface::RTCConfiguration & b)21 bool Matches(const PeerConnectionInterface::RTCConfiguration& a,
22 const PeerConnectionInterface::RTCConfiguration& b) {
23 return a.audio_jitter_buffer_max_packets ==
24 b.audio_jitter_buffer_max_packets &&
25 a.screencast_min_bitrate == b.screencast_min_bitrate &&
26 a.combined_audio_video_bwe == b.combined_audio_video_bwe &&
27 a.media_config == b.media_config;
28 }
29
TEST(MediaConstraints,CopyConstraintsIntoRtcConfiguration)30 TEST(MediaConstraints, CopyConstraintsIntoRtcConfiguration) {
31 const MediaConstraints constraints_empty;
32 PeerConnectionInterface::RTCConfiguration old_configuration;
33 PeerConnectionInterface::RTCConfiguration configuration;
34
35 CopyConstraintsIntoRtcConfiguration(&constraints_empty, &configuration);
36 EXPECT_TRUE(Matches(old_configuration, configuration));
37
38 const MediaConstraints constraints_screencast(
39 {MediaConstraints::Constraint(MediaConstraints::kScreencastMinBitrate,
40 "27")},
41 {});
42 CopyConstraintsIntoRtcConfiguration(&constraints_screencast, &configuration);
43 EXPECT_TRUE(configuration.screencast_min_bitrate);
44 EXPECT_EQ(27, *(configuration.screencast_min_bitrate));
45
46 // An empty set of constraints will not overwrite
47 // values that are already present.
48 configuration = old_configuration;
49 configuration.audio_jitter_buffer_max_packets = 34;
50 CopyConstraintsIntoRtcConfiguration(&constraints_empty, &configuration);
51 EXPECT_EQ(34, configuration.audio_jitter_buffer_max_packets);
52 }
53
54 } // namespace
55
56 } // namespace webrtc
57