1 /*
2 * Copyright (C) 2021 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 //#define LOG_NDEBUG 0
18 #define LOG_TAG "AudioClientSerializationUnitTests"
19
20 #include <cstdint>
21 #include <cstdlib>
22 #include <ctime>
23
24 #include <gtest/gtest.h>
25
26 #include <android_audio_policy_configuration_V7_0-enums.h>
27 #include <xsdc/XsdcSupport.h>
28
29 #include "audio_test_utils.h"
30
31 using namespace android;
32 namespace xsd {
33 using namespace ::android::audio::policy::configuration::V7_0;
34 }
35
36 template <typename T, typename X, typename FUNC>
getFlags(const xsdc_enum_range<X> & range,const FUNC & func,const std::string & findString={})37 std::vector<T> getFlags(const xsdc_enum_range<X>& range, const FUNC& func,
38 const std::string& findString = {}) {
39 std::vector<T> vec;
40 for (const auto& xsdEnumVal : range) {
41 T enumVal;
42 std::string enumString = toString(xsdEnumVal);
43 if (enumString.find(findString) != std::string::npos &&
44 func(enumString.c_str(), &enumVal)) {
45 vec.push_back(enumVal);
46 }
47 }
48 return vec;
49 }
50
51 static const std::vector<audio_usage_t> kUsages =
52 getFlags<audio_usage_t, xsd::AudioUsage, decltype(audio_usage_from_string)>(
53 xsdc_enum_range<xsd::AudioUsage>{}, audio_usage_from_string);
54
55 static const std::vector<audio_content_type_t> kContentType =
56 getFlags<audio_content_type_t, xsd::AudioContentType,
57 decltype(audio_content_type_from_string)>(xsdc_enum_range<xsd::AudioContentType>{},
58 audio_content_type_from_string);
59
60 static const std::vector<audio_source_t> kInputSources =
61 getFlags<audio_source_t, xsd::AudioSource, decltype(audio_source_from_string)>(
62 xsdc_enum_range<xsd::AudioSource>{}, audio_source_from_string);
63
64 static const std::vector<audio_stream_type_t> kStreamtypes =
65 getFlags<audio_stream_type_t, xsd::AudioStreamType,
66 decltype(audio_stream_type_from_string)>(xsdc_enum_range<xsd::AudioStreamType>{},
67 audio_stream_type_from_string);
68
69 static const std::vector<uint32_t> kMixMatchRules = {RULE_MATCH_ATTRIBUTE_USAGE,
70 RULE_EXCLUDE_ATTRIBUTE_USAGE,
71 RULE_MATCH_ATTRIBUTE_CAPTURE_PRESET,
72 RULE_EXCLUDE_ATTRIBUTE_CAPTURE_PRESET,
73 RULE_MATCH_UID,
74 RULE_EXCLUDE_UID,
75 RULE_MATCH_USERID,
76 RULE_EXCLUDE_USERID,
77 RULE_MATCH_AUDIO_SESSION_ID,
78 RULE_EXCLUDE_AUDIO_SESSION_ID};
79
80 // Generates a random string.
CreateRandomString(size_t n)81 std::string CreateRandomString(size_t n) {
82 std::string data =
83 "abcdefghijklmnopqrstuvwxyz"
84 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
85 "0123456789";
86 srand(static_cast<unsigned int>(time(0)));
87 std::string s(n, ' ');
88 for (size_t i = 0; i < n; ++i) {
89 s[i] = data[rand() % data.size()];
90 }
91 return s;
92 }
93
94 class FillAudioAttributes {
95 public:
96 void fillAudioAttributes(audio_attributes_t& attr);
97
98 unsigned int mSeed;
99 };
100
fillAudioAttributes(audio_attributes_t & attr)101 void FillAudioAttributes::fillAudioAttributes(audio_attributes_t& attr) {
102 attr.content_type = kContentType[rand() % kContentType.size()];
103 attr.usage = kUsages[rand() % kUsages.size()];
104 attr.source = kInputSources[rand() % kInputSources.size()];
105 // attr.flags -> [0, (1 << (CAPTURE_PRIVATE + 1) - 1)]
106 attr.flags = static_cast<audio_flags_mask_t>(rand() & 0x3ffd); // exclude AUDIO_FLAG_SECURE
107 sprintf(attr.tags, "%s",
108 CreateRandomString((int)rand() % (AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1)).c_str());
109 }
110
111 class SerializationTest : public FillAudioAttributes, public ::testing::Test {
SetUp()112 void SetUp() override {
113 mSeed = static_cast<unsigned int>(time(0));
114 srand(mSeed);
115 }
116 };
117
118 // UNIT TESTS
TEST_F(SerializationTest,AudioProductStrategyBinderization)119 TEST_F(SerializationTest, AudioProductStrategyBinderization) {
120 for (int j = 0; j < 512; j++) {
121 const std::string name{"Test APSBinderization for seed::" + std::to_string(mSeed)};
122 SCOPED_TRACE(name);
123 std::vector<VolumeGroupAttributes> volumeGroupAttrVector;
124 for (auto i = 0; i < 16; i++) {
125 audio_attributes_t attributes;
126 fillAudioAttributes(attributes);
127 VolumeGroupAttributes volumeGroupAttr{static_cast<volume_group_t>(rand()),
128 kStreamtypes[rand() % kStreamtypes.size()],
129 attributes};
130 volumeGroupAttrVector.push_back(volumeGroupAttr);
131 }
132 product_strategy_t psId = static_cast<product_strategy_t>(rand());
133 AudioProductStrategy aps{name, volumeGroupAttrVector, psId};
134
135 Parcel p;
136 EXPECT_EQ(NO_ERROR, aps.writeToParcel(&p));
137
138 AudioProductStrategy apsCopy;
139 p.setDataPosition(0);
140 EXPECT_EQ(NO_ERROR, apsCopy.readFromParcel(&p));
141 EXPECT_EQ(apsCopy.getName(), name);
142 EXPECT_EQ(apsCopy.getId(), psId);
143 auto avec = apsCopy.getVolumeGroupAttributes();
144 EXPECT_EQ(avec.size(), volumeGroupAttrVector.size());
145 for (int i = 0; i < std::min(avec.size(), volumeGroupAttrVector.size()); i++) {
146 EXPECT_EQ(avec[i].getGroupId(), volumeGroupAttrVector[i].getGroupId());
147 EXPECT_EQ(avec[i].getStreamType(), volumeGroupAttrVector[i].getStreamType());
148 EXPECT_TRUE(avec[i].getAttributes() == volumeGroupAttrVector[i].getAttributes());
149 }
150 }
151 }
152
TEST_F(SerializationTest,AudioVolumeGroupBinderization)153 TEST_F(SerializationTest, AudioVolumeGroupBinderization) {
154 for (int j = 0; j < 512; j++) {
155 const std::string name{"Test AVGBinderization for seed::" + std::to_string(mSeed)};
156 volume_group_t groupId = static_cast<volume_group_t>(rand());
157 std::vector<audio_attributes_t> attributesvector;
158 for (auto i = 0; i < 16; i++) {
159 audio_attributes_t attributes;
160 fillAudioAttributes(attributes);
161 attributesvector.push_back(attributes);
162 }
163 std::vector<audio_stream_type_t> streamsvector;
164 for (auto i = 0; i < 8; i++) {
165 streamsvector.push_back(kStreamtypes[rand() % kStreamtypes.size()]);
166 }
167 AudioVolumeGroup avg{name, groupId, attributesvector, streamsvector};
168
169 Parcel p;
170 EXPECT_EQ(NO_ERROR, avg.writeToParcel(&p));
171
172 AudioVolumeGroup avgCopy;
173 p.setDataPosition(0);
174 EXPECT_EQ(NO_ERROR, avgCopy.readFromParcel(&p)) << name;
175 EXPECT_EQ(avgCopy.getName(), name) << name;
176 EXPECT_EQ(avgCopy.getId(), groupId) << name;
177 auto avec = avgCopy.getAudioAttributes();
178 EXPECT_EQ(avec.size(), attributesvector.size()) << name;
179 for (int i = 0; i < avec.size(); i++) {
180 EXPECT_TRUE(avec[i] == attributesvector[i]) << name;
181 }
182 StreamTypeVector svec = avgCopy.getStreamTypes();
183 EXPECT_EQ(svec.size(), streamsvector.size()) << name;
184 for (int i = 0; i < svec.size(); i++) {
185 EXPECT_EQ(svec[i], streamsvector[i]) << name;
186 }
187 }
188 }
189
TEST_F(SerializationTest,AudioMixBinderization)190 TEST_F(SerializationTest, AudioMixBinderization) {
191 for (int j = 0; j < 512; j++) {
192 const std::string msg{"Test AMBinderization for seed::" + std::to_string(mSeed)};
193 std::vector<AudioMixMatchCriterion> criteria;
194 criteria.reserve(16);
195 for (int i = 0; i < 16; i++) {
196 AudioMixMatchCriterion ammc{kUsages[rand() % kUsages.size()],
197 kInputSources[rand() % kInputSources.size()],
198 kMixMatchRules[rand() % kMixMatchRules.size()]};
199 criteria.push_back(ammc);
200 }
201 audio_config_t config{};
202 config.sample_rate = 48000;
203 config.channel_mask = AUDIO_CHANNEL_IN_MONO;
204 config.format = AUDIO_FORMAT_PCM_16_BIT;
205 config.offload_info = AUDIO_INFO_INITIALIZER;
206 config.frame_count = 4800;
207 AudioMix am{criteria,
208 static_cast<uint32_t>(rand()),
209 config,
210 static_cast<uint32_t>(rand()),
211 String8(msg.c_str()),
212 static_cast<uint32_t>(rand())};
213
214 Parcel p;
215 EXPECT_EQ(NO_ERROR, am.writeToParcel(&p)) << msg;
216
217 AudioMix amCopy;
218 p.setDataPosition(0);
219 EXPECT_EQ(NO_ERROR, amCopy.readFromParcel(&p)) << msg;
220 EXPECT_EQ(amCopy.mMixType, am.mMixType) << msg;
221 EXPECT_EQ(amCopy.mFormat.sample_rate, am.mFormat.sample_rate) << msg;
222 EXPECT_EQ(amCopy.mFormat.channel_mask, am.mFormat.channel_mask) << msg;
223 EXPECT_EQ(amCopy.mFormat.format, am.mFormat.format) << msg;
224 EXPECT_EQ(amCopy.mRouteFlags, am.mRouteFlags) << msg;
225 EXPECT_EQ(amCopy.mDeviceAddress, am.mDeviceAddress) << msg;
226 EXPECT_EQ(amCopy.mCbFlags, am.mCbFlags) << msg;
227 EXPECT_EQ(amCopy.mCriteria.size(), am.mCriteria.size()) << msg;
228 for (auto i = 0; i < amCopy.mCriteria.size(); i++) {
229 EXPECT_EQ(amCopy.mCriteria[i].mRule, am.mCriteria[i].mRule) << msg;
230 EXPECT_EQ(amCopy.mCriteria[i].mValue.mUserId, am.mCriteria[i].mValue.mUserId) << msg;
231 }
232 }
233 }
234
235 using MMCTestParams = std::tuple<audio_usage_t, audio_source_t, uint32_t>;
236
237 class MMCParameterizedTest : public FillAudioAttributes,
238 public ::testing::TestWithParam<MMCTestParams> {
239 public:
MMCParameterizedTest()240 MMCParameterizedTest()
241 : mAudioUsage(std::get<0>(GetParam())),
242 mAudioSource(std::get<1>(GetParam())),
243 mAudioMixMatchRules(std::get<2>(GetParam())){};
244
245 const audio_usage_t mAudioUsage;
246 const audio_source_t mAudioSource;
247 const uint32_t mAudioMixMatchRules;
248
SetUp()249 void SetUp() override {
250 mSeed = static_cast<unsigned int>(time(0));
251 srand(mSeed);
252 }
253 };
254
TEST_P(MMCParameterizedTest,AudioMixMatchCriterionBinderization)255 TEST_P(MMCParameterizedTest, AudioMixMatchCriterionBinderization) {
256 const std::string msg{"Test AMMCBinderization for seed::" + std::to_string(mSeed)};
257 AudioMixMatchCriterion ammc{mAudioUsage, mAudioSource, mAudioMixMatchRules};
258
259 Parcel p;
260 EXPECT_EQ(NO_ERROR, ammc.writeToParcel(&p)) << msg;
261
262 AudioMixMatchCriterion ammcCopy;
263 p.setDataPosition(0);
264 EXPECT_EQ(NO_ERROR, ammcCopy.readFromParcel(&p)) << msg;
265 EXPECT_EQ(ammcCopy.mRule, ammc.mRule) << msg;
266 EXPECT_EQ(ammcCopy.mValue.mUserId, ammc.mValue.mUserId) << msg;
267 }
268
269 // audioUsage, audioSource, audioMixMatchRules
270 INSTANTIATE_TEST_SUITE_P(SerializationParameterizedTests, MMCParameterizedTest,
271 ::testing::Combine(testing::ValuesIn(kUsages),
272 testing::ValuesIn(kInputSources),
273 testing::ValuesIn(kMixMatchRules)));
274
275 using AudioAttributesTestParams = std::tuple<audio_stream_type_t>;
276
277 class AudioAttributesParameterizedTest
278 : public FillAudioAttributes,
279 public ::testing::TestWithParam<AudioAttributesTestParams> {
280 public:
AudioAttributesParameterizedTest()281 AudioAttributesParameterizedTest() : mAudioStream(std::get<0>(GetParam())){};
282
283 const audio_stream_type_t mAudioStream;
284
SetUp()285 void SetUp() override {
286 mSeed = static_cast<unsigned int>(time(0));
287 srand(mSeed);
288 }
289 };
290
TEST_P(AudioAttributesParameterizedTest,AudioAttributesBinderization)291 TEST_P(AudioAttributesParameterizedTest, AudioAttributesBinderization) {
292 const std::string msg{"Test AABinderization for seed::" + std::to_string(mSeed)};
293 volume_group_t groupId = static_cast<volume_group_t>(rand());
294 audio_stream_type_t stream = mAudioStream;
295 audio_attributes_t attributes;
296 fillAudioAttributes(attributes);
297 VolumeGroupAttributes volumeGroupAttr{groupId, stream, attributes};
298
299 Parcel p;
300 EXPECT_EQ(NO_ERROR, volumeGroupAttr.writeToParcel(&p)) << msg;
301
302 VolumeGroupAttributes volumeGroupAttrCopy;
303 p.setDataPosition(0);
304 EXPECT_EQ(NO_ERROR, volumeGroupAttrCopy.readFromParcel(&p)) << msg;
305 EXPECT_EQ(volumeGroupAttrCopy.getGroupId(), volumeGroupAttr.getGroupId()) << msg;
306 EXPECT_EQ(volumeGroupAttrCopy.getStreamType(), volumeGroupAttr.getStreamType()) << msg;
307 EXPECT_TRUE(volumeGroupAttrCopy.getAttributes() == attributes) << msg;
308 }
309
310 // audioStream
311 INSTANTIATE_TEST_SUITE_P(SerializationParameterizedTests, AudioAttributesParameterizedTest,
312 ::testing::Combine(testing::ValuesIn(kStreamtypes)));
313