1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <memory>
18 #include <set>
19
20 #include <gtest/gtest.h>
21
22 #include "AudioPolicyTestClient.h"
23 #include "AudioPolicyTestManager.h"
24
25 using namespace android;
26
TEST(AudioPolicyManagerTestInit,Failure)27 TEST(AudioPolicyManagerTestInit, Failure) {
28 AudioPolicyTestClient client;
29 AudioPolicyTestManager manager(&client);
30 manager.getConfig().setDefault();
31 // Since the default client fails to open anything,
32 // APM should indicate that the initialization didn't succeed.
33 ASSERT_EQ(NO_INIT, manager.initialize());
34 ASSERT_EQ(NO_INIT, manager.initCheck());
35 }
36
37
38 class AudioPolicyManagerTestClient : public AudioPolicyTestClient {
39 public:
40 // AudioPolicyClientInterface implementation
loadHwModule(const char *)41 audio_module_handle_t loadHwModule(const char* /*name*/) override {
42 return mNextModuleHandle++;
43 }
44
openOutput(audio_module_handle_t module,audio_io_handle_t * output,audio_config_t *,audio_devices_t *,const String8 &,uint32_t *,audio_output_flags_t)45 status_t openOutput(audio_module_handle_t module,
46 audio_io_handle_t* output,
47 audio_config_t* /*config*/,
48 audio_devices_t* /*devices*/,
49 const String8& /*address*/,
50 uint32_t* /*latencyMs*/,
51 audio_output_flags_t /*flags*/) override {
52 if (module >= mNextModuleHandle) {
53 ALOGE("%s: Module handle %d has not been allocated yet (next is %d)",
54 __func__, module, mNextModuleHandle);
55 return BAD_VALUE;
56 }
57 *output = mNextIoHandle++;
58 return NO_ERROR;
59 }
60
openInput(audio_module_handle_t module,audio_io_handle_t * input,audio_config_t *,audio_devices_t *,const String8 &,audio_source_t,audio_input_flags_t)61 status_t openInput(audio_module_handle_t module,
62 audio_io_handle_t* input,
63 audio_config_t* /*config*/,
64 audio_devices_t* /*device*/,
65 const String8& /*address*/,
66 audio_source_t /*source*/,
67 audio_input_flags_t /*flags*/) override {
68 if (module >= mNextModuleHandle) {
69 ALOGE("%s: Module handle %d has not been allocated yet (next is %d)",
70 __func__, module, mNextModuleHandle);
71 return BAD_VALUE;
72 }
73 *input = mNextIoHandle++;
74 return NO_ERROR;
75 }
76
createAudioPatch(const struct audio_patch *,audio_patch_handle_t * handle,int)77 status_t createAudioPatch(const struct audio_patch* /*patch*/,
78 audio_patch_handle_t* handle,
79 int /*delayMs*/) override {
80 *handle = mNextPatchHandle++;
81 mActivePatches.insert(*handle);
82 return NO_ERROR;
83 }
84
releaseAudioPatch(audio_patch_handle_t handle,int)85 status_t releaseAudioPatch(audio_patch_handle_t handle,
86 int /*delayMs*/) override {
87 if (mActivePatches.erase(handle) != 1) {
88 if (handle >= mNextPatchHandle) {
89 ALOGE("%s: Patch handle %d has not been allocated yet (next is %d)",
90 __func__, handle, mNextPatchHandle);
91 } else {
92 ALOGE("%s: Attempt to release patch %d twice", __func__, handle);
93 }
94 return BAD_VALUE;
95 }
96 return NO_ERROR;
97 }
98
99 // Helper methods for tests
getActivePatchesCount() const100 size_t getActivePatchesCount() const { return mActivePatches.size(); }
101
102 private:
103 audio_module_handle_t mNextModuleHandle = AUDIO_MODULE_HANDLE_NONE + 1;
104 audio_io_handle_t mNextIoHandle = AUDIO_IO_HANDLE_NONE + 1;
105 audio_patch_handle_t mNextPatchHandle = AUDIO_PATCH_HANDLE_NONE + 1;
106 std::set<audio_patch_handle_t> mActivePatches;
107 };
108
109 class AudioPolicyManagerTest : public testing::Test {
110 protected:
111 virtual void SetUp();
112 virtual void TearDown();
113
114 std::unique_ptr<AudioPolicyManagerTestClient> mClient;
115 std::unique_ptr<AudioPolicyTestManager> mManager;
116 };
117
SetUp()118 void AudioPolicyManagerTest::SetUp() {
119 mClient.reset(new AudioPolicyManagerTestClient);
120 mManager.reset(new AudioPolicyTestManager(mClient.get()));
121 mManager->getConfig().setDefault();
122 ASSERT_EQ(NO_ERROR, mManager->initialize());
123 ASSERT_EQ(NO_ERROR, mManager->initCheck());
124 }
125
TearDown()126 void AudioPolicyManagerTest::TearDown() {
127 mManager.reset();
128 mClient.reset();
129 }
130
TEST_F(AudioPolicyManagerTest,InitSuccess)131 TEST_F(AudioPolicyManagerTest, InitSuccess) {
132 // SetUp must finish with no assertions.
133 }
134
TEST_F(AudioPolicyManagerTest,CreateAudioPatchFailure)135 TEST_F(AudioPolicyManagerTest, CreateAudioPatchFailure) {
136 audio_patch patch{};
137 audio_patch_handle_t handle = AUDIO_PATCH_HANDLE_NONE;
138 const size_t patchCountBefore = mClient->getActivePatchesCount();
139 ASSERT_EQ(BAD_VALUE, mManager->createAudioPatch(nullptr, &handle, 0));
140 ASSERT_EQ(BAD_VALUE, mManager->createAudioPatch(&patch, nullptr, 0));
141 ASSERT_EQ(BAD_VALUE, mManager->createAudioPatch(&patch, &handle, 0));
142 patch.num_sources = AUDIO_PATCH_PORTS_MAX + 1;
143 patch.num_sinks = 1;
144 ASSERT_EQ(BAD_VALUE, mManager->createAudioPatch(&patch, &handle, 0));
145 patch.num_sources = 1;
146 patch.num_sinks = AUDIO_PATCH_PORTS_MAX + 1;
147 ASSERT_EQ(BAD_VALUE, mManager->createAudioPatch(&patch, &handle, 0));
148 patch.num_sources = 2;
149 patch.num_sinks = 1;
150 ASSERT_EQ(INVALID_OPERATION, mManager->createAudioPatch(&patch, &handle, 0));
151 patch = {};
152 patch.num_sources = 1;
153 patch.sources[0].role = AUDIO_PORT_ROLE_SINK;
154 patch.num_sinks = 1;
155 patch.sinks[0].role = AUDIO_PORT_ROLE_SINK;
156 ASSERT_EQ(INVALID_OPERATION, mManager->createAudioPatch(&patch, &handle, 0));
157 patch = {};
158 patch.num_sources = 1;
159 patch.sources[0].role = AUDIO_PORT_ROLE_SOURCE;
160 patch.num_sinks = 1;
161 patch.sinks[0].role = AUDIO_PORT_ROLE_SOURCE;
162 ASSERT_EQ(INVALID_OPERATION, mManager->createAudioPatch(&patch, &handle, 0));
163 // Verify that the handle is left unchanged.
164 ASSERT_EQ(AUDIO_PATCH_HANDLE_NONE, handle);
165 ASSERT_EQ(patchCountBefore, mClient->getActivePatchesCount());
166 }
167
TEST_F(AudioPolicyManagerTest,CreateAudioPatchFromMix)168 TEST_F(AudioPolicyManagerTest, CreateAudioPatchFromMix) {
169 audio_patch patch{};
170 audio_patch_handle_t handle = AUDIO_PATCH_HANDLE_NONE;
171 uid_t uid = 42;
172 const size_t patchCountBefore = mClient->getActivePatchesCount();
173 patch.num_sources = 1;
174 {
175 auto& src = patch.sources[0];
176 src.role = AUDIO_PORT_ROLE_SOURCE;
177 src.type = AUDIO_PORT_TYPE_MIX;
178 src.id = mManager->getConfig().getAvailableInputDevices()[0]->getId();
179 // Note: these are the parameters of the output device.
180 src.sample_rate = 44100;
181 src.format = AUDIO_FORMAT_PCM_16_BIT;
182 src.channel_mask = AUDIO_CHANNEL_OUT_STEREO;
183 }
184 patch.num_sinks = 1;
185 {
186 auto& sink = patch.sinks[0];
187 sink.role = AUDIO_PORT_ROLE_SINK;
188 sink.type = AUDIO_PORT_TYPE_DEVICE;
189 sink.id = mManager->getConfig().getDefaultOutputDevice()->getId();
190 }
191 ASSERT_EQ(NO_ERROR, mManager->createAudioPatch(&patch, &handle, uid));
192 ASSERT_NE(AUDIO_PATCH_HANDLE_NONE, handle);
193 ASSERT_EQ(patchCountBefore + 1, mClient->getActivePatchesCount());
194 }
195
196 // TODO: Add patch creation tests that involve already existing patch
197