1 /*
2 * Copyright (c) 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 "webrtc/common_audio/channel_buffer.h"
12 #include "webrtc/test/gtest.h"
13
14 namespace webrtc {
15
16 namespace {
17
18 const size_t kNumFrames = 480u;
19 const size_t kStereo = 2u;
20 const size_t kMono = 1u;
21
ExpectNumChannels(const IFChannelBuffer & ifchb,size_t num_channels)22 void ExpectNumChannels(const IFChannelBuffer& ifchb, size_t num_channels) {
23 EXPECT_EQ(ifchb.ibuf_const()->num_channels(), num_channels);
24 EXPECT_EQ(ifchb.fbuf_const()->num_channels(), num_channels);
25 EXPECT_EQ(ifchb.num_channels(), num_channels);
26 }
27
28 } // namespace
29
TEST(ChannelBufferTest,SetNumChannelsSetsNumChannels)30 TEST(ChannelBufferTest, SetNumChannelsSetsNumChannels) {
31 ChannelBuffer<float> chb(kNumFrames, kStereo);
32 EXPECT_EQ(chb.num_channels(), kStereo);
33 chb.set_num_channels(kMono);
34 EXPECT_EQ(chb.num_channels(), kMono);
35 }
36
TEST(IFChannelBufferTest,SetNumChannelsSetsChannelBuffersNumChannels)37 TEST(IFChannelBufferTest, SetNumChannelsSetsChannelBuffersNumChannels) {
38 IFChannelBuffer ifchb(kNumFrames, kStereo);
39 ExpectNumChannels(ifchb, kStereo);
40 ifchb.set_num_channels(kMono);
41 ExpectNumChannels(ifchb, kMono);
42 }
43
TEST(IFChannelBufferTest,SettingNumChannelsOfOneChannelBufferSetsTheOther)44 TEST(IFChannelBufferTest, SettingNumChannelsOfOneChannelBufferSetsTheOther) {
45 IFChannelBuffer ifchb(kNumFrames, kStereo);
46 ExpectNumChannels(ifchb, kStereo);
47 ifchb.ibuf()->set_num_channels(kMono);
48 ExpectNumChannels(ifchb, kMono);
49 ifchb.fbuf()->set_num_channels(kStereo);
50 ExpectNumChannels(ifchb, kStereo);
51 }
52
53 #if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
TEST(ChannelBufferTest,SetNumChannelsDeathTest)54 TEST(ChannelBufferTest, SetNumChannelsDeathTest) {
55 ChannelBuffer<float> chb(kNumFrames, kMono);
56 EXPECT_DEATH(chb.set_num_channels(kStereo), "num_channels");
57 }
58
TEST(IFChannelBufferTest,SetNumChannelsDeathTest)59 TEST(IFChannelBufferTest, SetNumChannelsDeathTest) {
60 IFChannelBuffer ifchb(kNumFrames, kMono);
61 EXPECT_DEATH(ifchb.ibuf()->set_num_channels(kStereo), "num_channels");
62 }
63 #endif
64
65 } // namespace webrtc
66