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1 /*
2  * Copyright (C) 2018 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 #ifndef ANDROID_SENSORS_HIDL_TEST_BASE_H
18 #define ANDROID_SENSORS_HIDL_TEST_BASE_H
19 
20 #include "sensors-vts-utils/SensorEventsChecker.h"
21 #include "sensors-vts-utils/SensorsTestSharedMemory.h"
22 #include "sensors-vts-utils/SensorsVtsEnvironmentBase.h"
23 
24 #include <android/hardware/sensors/1.0/ISensors.h>
25 #include <android/hardware/sensors/1.0/types.h>
26 #include <gtest/gtest.h>
27 #include <hardware/sensors.h>
28 #include <log/log.h>
29 
30 #include <cinttypes>
31 #include <unordered_set>
32 #include <vector>
33 
34 using ::android::sp;
35 using ::android::hardware::hidl_string;
36 using ::android::hardware::Return;
37 using ::android::hardware::Void;
38 
39 using ::android::sp;
40 using ::android::hardware::hidl_string;
41 using ::android::hardware::sensors::V1_0::RateLevel;
42 using ::android::hardware::sensors::V1_0::Result;
43 using ::android::hardware::sensors::V1_0::SensorFlagBits;
44 using ::android::hardware::sensors::V1_0::SensorFlagShift;
45 using ::android::hardware::sensors::V1_0::SensorsEventFormatOffset;
46 using ::android::hardware::sensors::V1_0::SharedMemInfo;
47 using ::android::hardware::sensors::V1_0::SharedMemType;
48 
49 template <class SensorTypeT>
assertTypeMatchStringType(SensorTypeT type,const hidl_string & stringType)50 static void assertTypeMatchStringType(SensorTypeT type, const hidl_string& stringType) {
51     if (type >= SensorTypeT::DEVICE_PRIVATE_BASE) {
52         return;
53     }
54 
55     switch (type) {
56 #define CHECK_TYPE_STRING_FOR_SENSOR_TYPE(type)                      \
57     case SensorTypeT::type:                                          \
58         ASSERT_STREQ(SENSOR_STRING_TYPE_##type, stringType.c_str()); \
59         break;
60         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(ACCELEROMETER);
61         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(ACCELEROMETER_UNCALIBRATED);
62         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(ADDITIONAL_INFO);
63         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(AMBIENT_TEMPERATURE);
64         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(DEVICE_ORIENTATION);
65         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(DYNAMIC_SENSOR_META);
66         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(GAME_ROTATION_VECTOR);
67         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(GEOMAGNETIC_ROTATION_VECTOR);
68         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(GLANCE_GESTURE);
69         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(GRAVITY);
70         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(GYROSCOPE);
71         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(GYROSCOPE_UNCALIBRATED);
72         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(HEART_BEAT);
73         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(HEART_RATE);
74         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(LIGHT);
75         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(LINEAR_ACCELERATION);
76         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(LOW_LATENCY_OFFBODY_DETECT);
77         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(MAGNETIC_FIELD);
78         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(MAGNETIC_FIELD_UNCALIBRATED);
79         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(MOTION_DETECT);
80         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(ORIENTATION);
81         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(PICK_UP_GESTURE);
82         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(POSE_6DOF);
83         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(PRESSURE);
84         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(PROXIMITY);
85         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(RELATIVE_HUMIDITY);
86         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(ROTATION_VECTOR);
87         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(SIGNIFICANT_MOTION);
88         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(STATIONARY_DETECT);
89         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(STEP_COUNTER);
90         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(STEP_DETECTOR);
91         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(TEMPERATURE);
92         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(TILT_DETECTOR);
93         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(WAKE_GESTURE);
94         CHECK_TYPE_STRING_FOR_SENSOR_TYPE(WRIST_TILT_GESTURE);
95         default:
96             FAIL() << "Type " << static_cast<int>(type)
97                    << " in android defined range is not checked, "
98                    << "stringType = " << stringType;
99 #undef CHECK_TYPE_STRING_FOR_SENSOR_TYPE
100     }
101 }
102 
103 template <class SensorTypeT>
expectedReportModeForType(SensorTypeT type)104 static SensorFlagBits expectedReportModeForType(SensorTypeT type) {
105     switch (type) {
106         case SensorTypeT::ACCELEROMETER:
107         case SensorTypeT::ACCELEROMETER_UNCALIBRATED:
108         case SensorTypeT::GYROSCOPE:
109         case SensorTypeT::MAGNETIC_FIELD:
110         case SensorTypeT::ORIENTATION:
111         case SensorTypeT::PRESSURE:
112         case SensorTypeT::GRAVITY:
113         case SensorTypeT::LINEAR_ACCELERATION:
114         case SensorTypeT::ROTATION_VECTOR:
115         case SensorTypeT::MAGNETIC_FIELD_UNCALIBRATED:
116         case SensorTypeT::GAME_ROTATION_VECTOR:
117         case SensorTypeT::GYROSCOPE_UNCALIBRATED:
118         case SensorTypeT::GEOMAGNETIC_ROTATION_VECTOR:
119         case SensorTypeT::POSE_6DOF:
120         case SensorTypeT::HEART_BEAT:
121             return SensorFlagBits::CONTINUOUS_MODE;
122 
123         case SensorTypeT::LIGHT:
124         case SensorTypeT::PROXIMITY:
125         case SensorTypeT::RELATIVE_HUMIDITY:
126         case SensorTypeT::AMBIENT_TEMPERATURE:
127         case SensorTypeT::HEART_RATE:
128         case SensorTypeT::DEVICE_ORIENTATION:
129         case SensorTypeT::STEP_COUNTER:
130         case SensorTypeT::LOW_LATENCY_OFFBODY_DETECT:
131             return SensorFlagBits::ON_CHANGE_MODE;
132 
133         case SensorTypeT::SIGNIFICANT_MOTION:
134         case SensorTypeT::WAKE_GESTURE:
135         case SensorTypeT::GLANCE_GESTURE:
136         case SensorTypeT::PICK_UP_GESTURE:
137         case SensorTypeT::MOTION_DETECT:
138         case SensorTypeT::STATIONARY_DETECT:
139             return SensorFlagBits::ONE_SHOT_MODE;
140 
141         case SensorTypeT::STEP_DETECTOR:
142         case SensorTypeT::TILT_DETECTOR:
143         case SensorTypeT::WRIST_TILT_GESTURE:
144         case SensorTypeT::DYNAMIC_SENSOR_META:
145             return SensorFlagBits::SPECIAL_REPORTING_MODE;
146 
147         case SensorTypeT::TEMPERATURE:
148             ALOGW("Device temperature sensor is deprecated, ignoring for test");
149             return (SensorFlagBits)-1;
150 
151         default:
152             ALOGW("Type %d is not implemented in expectedReportModeForType", (int)type);
153             return (SensorFlagBits)-1;
154     }
155 }
156 
157 template <class SensorTypeVersion, class EventType, class SensorInfoType>
158 class SensorsHidlTestBase : public testing::TestWithParam<std::string> {
159   public:
160     using ISensors = ::android::hardware::sensors::V1_0::ISensors;
161 
SensorsHidlTestBase()162     SensorsHidlTestBase()
163         : mAccelNormChecker(Vec3NormChecker<EventType>::byNominal(GRAVITY_EARTH, 1.0f /*m/s^2*/)),
164           mGyroNormChecker(Vec3NormChecker<EventType>::byNominal(0.f, 0.1f /*rad/s*/)) {}
165 
166     virtual SensorsVtsEnvironmentBase<EventType>* getEnvironment() = 0;
167 
SetUp()168     virtual void SetUp() override {}
169 
TearDown()170     virtual void TearDown() override {
171         // stop all sensors
172         for (auto s : mSensorHandles) {
173             activate(s, false);
174         }
175         mSensorHandles.clear();
176 
177         // stop all direct report and channels
178         for (auto c : mDirectChannelHandles) {
179             // disable all reports
180             configDirectReport(-1, c, RateLevel::STOP, [](auto, auto) {});
181             unregisterDirectChannel(c);
182         }
183         mDirectChannelHandles.clear();
184     }
185 
186     // implementation wrapper
187     virtual SensorInfoType defaultSensorByType(SensorTypeVersion type) = 0;
188     virtual Return<void> getSensorsList(ISensors::getSensorsList_cb _hidl_cb) = 0;
189     virtual Return<Result> injectSensorData(const EventType& event) = 0;
190     virtual Return<Result> activate(int32_t sensorHandle, bool enabled) = 0;
191     virtual Return<Result> batch(int32_t sensorHandle, int64_t samplingPeriodNs,
192                                  int64_t maxReportLatencyNs) = 0;
193     virtual Return<Result> flush(int32_t sensorHandle) = 0;
194     virtual Return<void> registerDirectChannel(const SharedMemInfo& mem,
195                                                ISensors::registerDirectChannel_cb _hidl_cb) = 0;
196     virtual Return<Result> unregisterDirectChannel(int32_t channelHandle) = 0;
197     virtual Return<void> configDirectReport(int32_t sensorHandle, int32_t channelHandle,
198                                             RateLevel rate,
199                                             ISensors::configDirectReport_cb _hidl_cb) = 0;
200 
testStreamingOperation(SensorTypeVersion type,std::chrono::nanoseconds samplingPeriod,std::chrono::seconds duration,const SensorEventsChecker<EventType> & checker)201     void testStreamingOperation(SensorTypeVersion type, std::chrono::nanoseconds samplingPeriod,
202                                 std::chrono::seconds duration,
203                                 const SensorEventsChecker<EventType>& checker) {
204         std::vector<EventType> events;
205         std::vector<EventType> sensorEvents;
206 
207         const int64_t samplingPeriodInNs = samplingPeriod.count();
208         const int64_t batchingPeriodInNs = 0;  // no batching
209         const useconds_t minTimeUs = std::chrono::microseconds(duration).count();
210         const size_t minNEvent = duration / samplingPeriod;
211 
212         SensorInfoType sensor = defaultSensorByType(type);
213 
214         if (!isValidType(sensor.type)) {
215             // no default sensor of this type
216             return;
217         }
218 
219         if (std::chrono::microseconds(sensor.minDelay) > samplingPeriod) {
220             // rate not supported
221             return;
222         }
223 
224         int32_t handle = sensor.sensorHandle;
225 
226         ASSERT_EQ(batch(handle, samplingPeriodInNs, batchingPeriodInNs), Result::OK);
227         ASSERT_EQ(activate(handle, 1), Result::OK);
228         events = getEnvironment()->collectEvents(minTimeUs, minNEvent, true /*clearBeforeStart*/);
229         ASSERT_EQ(activate(handle, 0), Result::OK);
230 
231         ALOGI("Collected %zu samples", events.size());
232 
233         ASSERT_GT(events.size(), 0u);
234 
235         bool handleMismatchReported = false;
236         bool metaSensorTypeErrorReported = false;
237         for (auto& e : events) {
238             if (e.sensorType == type) {
239                 // avoid generating hundreds of error
240                 if (!handleMismatchReported) {
241                     EXPECT_EQ(e.sensorHandle, handle)
242                             << (handleMismatchReported = true,
243                                 "Event of the same type must come from the sensor registered");
244                 }
245                 sensorEvents.push_back(e);
246             } else {
247                 // avoid generating hundreds of error
248                 if (!metaSensorTypeErrorReported) {
249                     EXPECT_TRUE(isMetaSensorType(e.sensorType))
250                             << (metaSensorTypeErrorReported = true,
251                                 "Only meta types are allowed besides the type registered");
252                 }
253             }
254         }
255 
256         std::string s;
257         EXPECT_TRUE(checker.check(sensorEvents, &s)) << s;
258 
259         EXPECT_GE(sensorEvents.size(),
260                   minNEvent / 2);  // make sure returned events are not all meta
261     }
262 
263     void testSamplingRateHotSwitchOperation(SensorTypeVersion type, bool fastToSlow = true) {
264         std::vector<EventType> events1, events2;
265 
266         constexpr int64_t batchingPeriodInNs = 0;          // no batching
267         constexpr int64_t collectionTimeoutUs = 60000000;  // 60s
268         constexpr size_t minNEvent = 50;
269 
270         SensorInfoType sensor = defaultSensorByType(type);
271 
272         if (!isValidType(sensor.type)) {
273             // no default sensor of this type
274             return;
275         }
276 
277         int32_t handle = sensor.sensorHandle;
278         int64_t minSamplingPeriodInNs = sensor.minDelay * 1000ll;
279         int64_t maxSamplingPeriodInNs = sensor.maxDelay * 1000ll;
280 
281         if (minSamplingPeriodInNs == maxSamplingPeriodInNs) {
282             // only support single rate
283             return;
284         }
285 
286         int64_t firstCollectionPeriod = fastToSlow ? minSamplingPeriodInNs : maxSamplingPeriodInNs;
287         int64_t secondCollectionPeriod =
288                 !fastToSlow ? minSamplingPeriodInNs : maxSamplingPeriodInNs;
289 
290         // first collection
291         ASSERT_EQ(batch(handle, firstCollectionPeriod, batchingPeriodInNs), Result::OK);
292         ASSERT_EQ(activate(handle, 1), Result::OK);
293 
294         usleep(500000);  // sleep 0.5 sec to wait for change rate to happen
295         events1 = getEnvironment()->collectEvents(collectionTimeoutUs, minNEvent);
296 
297         // second collection, without stopping the sensor
298         ASSERT_EQ(batch(handle, secondCollectionPeriod, batchingPeriodInNs), Result::OK);
299 
300         usleep(500000);  // sleep 0.5 sec to wait for change rate to happen
301         events2 = getEnvironment()->collectEvents(collectionTimeoutUs, minNEvent);
302 
303         // end of collection, stop sensor
304         ASSERT_EQ(activate(handle, 0), Result::OK);
305 
306         ALOGI("Collected %zu fast samples and %zu slow samples", events1.size(), events2.size());
307 
308         ASSERT_GT(events1.size(), 0u);
309         ASSERT_GT(events2.size(), 0u);
310 
311         int64_t minDelayAverageInterval, maxDelayAverageInterval;
312         std::vector<EventType>& minDelayEvents(fastToSlow ? events1 : events2);
313         std::vector<EventType>& maxDelayEvents(fastToSlow ? events2 : events1);
314 
315         size_t nEvent = 0;
316         int64_t prevTimestamp = -1;
317         int64_t timestampInterval = 0;
318         for (auto& e : minDelayEvents) {
319             if (e.sensorType == type) {
320                 ASSERT_EQ(e.sensorHandle, handle);
321                 if (prevTimestamp > 0) {
322                     timestampInterval += e.timestamp - prevTimestamp;
323                 }
324                 prevTimestamp = e.timestamp;
325                 ++nEvent;
326             }
327         }
328         ASSERT_GT(nEvent, 2u);
329         minDelayAverageInterval = timestampInterval / (nEvent - 1);
330 
331         nEvent = 0;
332         prevTimestamp = -1;
333         timestampInterval = 0;
334         for (auto& e : maxDelayEvents) {
335             if (e.sensorType == type) {
336                 ASSERT_EQ(e.sensorHandle, handle);
337                 if (prevTimestamp > 0) {
338                     timestampInterval += e.timestamp - prevTimestamp;
339                 }
340                 prevTimestamp = e.timestamp;
341                 ++nEvent;
342             }
343         }
344         ASSERT_GT(nEvent, 2u);
345         maxDelayAverageInterval = timestampInterval / (nEvent - 1);
346 
347         // change of rate is significant.
348         ALOGI("min/maxDelayAverageInterval = %" PRId64 " %" PRId64, minDelayAverageInterval,
349               maxDelayAverageInterval);
350         EXPECT_GT((maxDelayAverageInterval - minDelayAverageInterval),
351                   minDelayAverageInterval / 10);
352 
353         // fastest rate sampling time is close to spec
354         EXPECT_LT(std::abs(minDelayAverageInterval - minSamplingPeriodInNs),
355                   minSamplingPeriodInNs / 10);
356 
357         // slowest rate sampling time is close to spec
358         EXPECT_LT(std::abs(maxDelayAverageInterval - maxSamplingPeriodInNs),
359                   maxSamplingPeriodInNs / 10);
360     }
361 
testBatchingOperation(SensorTypeVersion type)362     void testBatchingOperation(SensorTypeVersion type) {
363         std::vector<EventType> events;
364 
365         constexpr int64_t maxBatchingTestTimeNs = 30ull * 1000 * 1000 * 1000;
366         constexpr int64_t oneSecondInNs = 1ull * 1000 * 1000 * 1000;
367 
368         SensorInfoType sensor = defaultSensorByType(type);
369 
370         if (!isValidType(sensor.type)) {
371             // no default sensor of this type
372             return;
373         }
374 
375         int32_t handle = sensor.sensorHandle;
376         int64_t minSamplingPeriodInNs = sensor.minDelay * 1000ll;
377         uint32_t minFifoCount = sensor.fifoReservedEventCount;
378         int64_t batchingPeriodInNs = minFifoCount * minSamplingPeriodInNs;
379 
380         if (batchingPeriodInNs < oneSecondInNs) {
381             // batching size too small to test reliably
382             return;
383         }
384 
385         if (batchingPeriodInNs > maxBatchingTestTimeNs) {
386             batchingPeriodInNs = maxBatchingTestTimeNs;
387             minFifoCount = (uint32_t)(batchingPeriodInNs / minSamplingPeriodInNs);
388         }
389 
390         ALOGI("Test batching for %d ms", (int)(batchingPeriodInNs / 1000 / 1000));
391 
392         int64_t allowedBatchDeliverTimeNs = std::max(oneSecondInNs, batchingPeriodInNs / 10);
393 
394         ASSERT_EQ(batch(handle, minSamplingPeriodInNs, INT64_MAX), Result::OK);
395         ASSERT_EQ(activate(handle, 1), Result::OK);
396 
397         usleep(500000);  // sleep 0.5 sec to wait for initialization
398         ASSERT_EQ(flush(handle), Result::OK);
399 
400         // wait for 80% of the reserved batching period
401         // there should not be any significant amount of events
402         // since collection is not enabled all events will go down the drain
403         usleep(batchingPeriodInNs / 1000 * 8 / 10);
404 
405         getEnvironment()->setCollection(true);
406         // clean existing collections
407         getEnvironment()->collectEvents(0 /*timeLimitUs*/, 0 /*nEventLimit*/,
408                                         true /*clearBeforeStart*/, false /*change collection*/);
409 
410         // 0.8 + 0.2 times the batching period
411         usleep(batchingPeriodInNs / 1000 * 2 / 10);
412         ASSERT_EQ(flush(handle), Result::OK);
413 
414         // plus some time for the event to deliver
415         events = getEnvironment()->collectEvents(allowedBatchDeliverTimeNs / 1000, minFifoCount,
416                                                  false /*clearBeforeStart*/,
417                                                  false /*change collection*/);
418 
419         getEnvironment()->setCollection(false);
420         ASSERT_EQ(activate(handle, 0), Result::OK);
421 
422         size_t nEvent = 0;
423         for (auto& e : events) {
424             if (e.sensorType == type && e.sensorHandle == handle) {
425                 ++nEvent;
426             }
427         }
428 
429         // at least reach 90% of advertised capacity
430         ASSERT_GT(nEvent, (size_t)(minFifoCount * 9 / 10));
431     }
432 
testDirectReportOperation(SensorTypeVersion type,SharedMemType memType,RateLevel rate,const SensorEventsChecker<EventType> & checker)433     void testDirectReportOperation(SensorTypeVersion type, SharedMemType memType, RateLevel rate,
434                                    const SensorEventsChecker<EventType>& checker) {
435         constexpr size_t kEventSize = static_cast<size_t>(SensorsEventFormatOffset::TOTAL_LENGTH);
436         constexpr size_t kNEvent = 4096;
437         constexpr size_t kMemSize = kEventSize * kNEvent;
438 
439         constexpr float kNormalNominal = 50;
440         constexpr float kFastNominal = 200;
441         constexpr float kVeryFastNominal = 800;
442 
443         constexpr float kNominalTestTimeSec = 1.f;
444         constexpr float kMaxTestTimeSec =
445                 kNominalTestTimeSec + 0.5f;  // 0.5 second for initialization
446 
447         SensorInfoType sensor = defaultSensorByType(type);
448 
449         if (!isValidType(sensor.type)) {
450             // no default sensor of this type
451             return;
452         }
453 
454         if (!isDirectReportRateSupported(sensor, rate)) {
455             return;
456         }
457 
458         if (!isDirectChannelTypeSupported(sensor, memType)) {
459             return;
460         }
461 
462         std::unique_ptr<SensorsTestSharedMemory<SensorTypeVersion, EventType>> mem(
463                 SensorsTestSharedMemory<SensorTypeVersion, EventType>::create(memType, kMemSize));
464         ASSERT_NE(mem, nullptr);
465 
466         char* buffer = mem->getBuffer();
467         // fill memory with data
468         for (size_t i = 0; i < kMemSize; ++i) {
469             buffer[i] = '\xcc';
470         }
471 
472         int32_t channelHandle;
473         registerDirectChannel(mem->getSharedMemInfo(),
474                               [&channelHandle](auto result, auto channelHandle_) {
475                                   ASSERT_EQ(result, Result::OK);
476                                   channelHandle = channelHandle_;
477                               });
478 
479         // check memory is zeroed
480         for (size_t i = 0; i < kMemSize; ++i) {
481             ASSERT_EQ(buffer[i], '\0');
482         }
483 
484         int32_t eventToken;
485         configDirectReport(sensor.sensorHandle, channelHandle, rate,
486                            [&eventToken](auto result, auto token) {
487                                ASSERT_EQ(result, Result::OK);
488                                eventToken = token;
489                            });
490 
491         usleep(static_cast<useconds_t>(kMaxTestTimeSec * 1e6f));
492         auto events = mem->parseEvents();
493 
494         // find norminal rate
495         float nominalFreq = 0.f;
496         switch (rate) {
497             case RateLevel::NORMAL:
498                 nominalFreq = kNormalNominal;
499                 break;
500             case RateLevel::FAST:
501                 nominalFreq = kFastNominal;
502                 break;
503             case RateLevel::VERY_FAST:
504                 nominalFreq = kVeryFastNominal;
505                 break;
506             case RateLevel::STOP:
507                 FAIL();
508         }
509 
510         // allowed to be between 55% and 220% of nominal freq
511         ASSERT_GT(events.size(), static_cast<size_t>(nominalFreq * 0.55f * kNominalTestTimeSec));
512         ASSERT_LT(events.size(), static_cast<size_t>(nominalFreq * 2.2f * kMaxTestTimeSec));
513 
514         int64_t lastTimestamp = 0;
515         bool typeErrorReported = false;
516         bool tokenErrorReported = false;
517         bool timestampErrorReported = false;
518         std::vector<EventType> sensorEvents;
519         for (auto& e : events) {
520             if (!tokenErrorReported) {
521                 EXPECT_EQ(eventToken, e.sensorHandle)
522                         << (tokenErrorReported = true,
523                             "Event token does not match that retured from configDirectReport");
524             }
525 
526             if (isMetaSensorType(e.sensorType)) {
527                 continue;
528             }
529             sensorEvents.push_back(e);
530 
531             if (!typeErrorReported) {
532                 EXPECT_EQ(type, e.sensorType)
533                         << (typeErrorReported = true,
534                             "Type in event does not match type of sensor registered.");
535             }
536             if (!timestampErrorReported) {
537                 EXPECT_GT(e.timestamp, lastTimestamp) << (timestampErrorReported = true,
538                                                           "Timestamp not monotonically increasing");
539             }
540             lastTimestamp = e.timestamp;
541         }
542 
543         std::string s;
544         EXPECT_TRUE(checker.check(sensorEvents, &s)) << s;
545 
546         // stop sensor and unregister channel
547         configDirectReport(sensor.sensorHandle, channelHandle, RateLevel::STOP,
548                            [](auto result, auto) { EXPECT_EQ(result, Result::OK); });
549         EXPECT_EQ(unregisterDirectChannel(channelHandle), Result::OK);
550     }
551 
extractReportMode(uint64_t flag)552     inline static SensorFlagBits extractReportMode(uint64_t flag) {
553         return (SensorFlagBits)(flag & ((uint64_t)SensorFlagBits::CONTINUOUS_MODE |
554                                         (uint64_t)SensorFlagBits::ON_CHANGE_MODE |
555                                         (uint64_t)SensorFlagBits::ONE_SHOT_MODE |
556                                         (uint64_t)SensorFlagBits::SPECIAL_REPORTING_MODE));
557     }
558 
isMetaSensorType(SensorTypeVersion type)559     inline static bool isMetaSensorType(SensorTypeVersion type) {
560         return (type == SensorTypeVersion::META_DATA ||
561                 type == SensorTypeVersion::DYNAMIC_SENSOR_META ||
562                 type == SensorTypeVersion::ADDITIONAL_INFO);
563     }
564 
isValidType(SensorTypeVersion type)565     inline static bool isValidType(SensorTypeVersion type) { return (int32_t)type > 0; }
566 
assertDelayMatchReportMode(int32_t minDelay,int32_t maxDelay,SensorFlagBits reportMode)567     static void assertDelayMatchReportMode(int32_t minDelay, int32_t maxDelay,
568                                            SensorFlagBits reportMode) {
569         switch (reportMode) {
570             case SensorFlagBits::CONTINUOUS_MODE:
571                 ASSERT_LT(0, minDelay);
572                 ASSERT_LE(0, maxDelay);
573                 break;
574             case SensorFlagBits::ON_CHANGE_MODE:
575                 ASSERT_LE(0, minDelay);
576                 ASSERT_LE(0, maxDelay);
577                 break;
578             case SensorFlagBits::ONE_SHOT_MODE:
579                 ASSERT_EQ(-1, minDelay);
580                 ASSERT_EQ(0, maxDelay);
581                 break;
582             case SensorFlagBits::SPECIAL_REPORTING_MODE:
583                 // do not enforce anything for special reporting mode
584                 break;
585             default:
586                 FAIL() << "Report mode " << static_cast<int>(reportMode) << " not checked";
587         }
588     }
589 
590   protected:
assertTypeMatchReportMode(SensorTypeVersion type,SensorFlagBits reportMode)591     static void assertTypeMatchReportMode(SensorTypeVersion type, SensorFlagBits reportMode) {
592         if (type >= SensorTypeVersion::DEVICE_PRIVATE_BASE) {
593             return;
594         }
595 
596         SensorFlagBits expected = expectedReportModeForType(type);
597 
598         ASSERT_TRUE(expected == (SensorFlagBits)-1 || expected == reportMode)
599                 << "reportMode=" << static_cast<int>(reportMode)
600                 << "expected=" << static_cast<int>(expected);
601     }
602 
isDirectReportRateSupported(SensorInfoType sensor,RateLevel rate)603     static bool isDirectReportRateSupported(SensorInfoType sensor, RateLevel rate) {
604         unsigned int r =
605                 static_cast<unsigned int>(sensor.flags & SensorFlagBits::MASK_DIRECT_REPORT) >>
606                 static_cast<unsigned int>(SensorFlagShift::DIRECT_REPORT);
607         return r >= static_cast<unsigned int>(rate);
608     }
609 
isDirectChannelTypeSupported(SensorInfoType sensor,SharedMemType type)610     static bool isDirectChannelTypeSupported(SensorInfoType sensor, SharedMemType type) {
611         switch (type) {
612             case SharedMemType::ASHMEM:
613                 return (sensor.flags & SensorFlagBits::DIRECT_CHANNEL_ASHMEM) != 0;
614             case SharedMemType::GRALLOC:
615                 return (sensor.flags & SensorFlagBits::DIRECT_CHANNEL_GRALLOC) != 0;
616             default:
617                 return false;
618         }
619     }
620 
621     // Checkers
622     Vec3NormChecker<EventType> mAccelNormChecker;
623     Vec3NormChecker<EventType> mGyroNormChecker;
624 
625     // all sensors and direct channnels used
626     std::unordered_set<int32_t> mSensorHandles;
627     std::unordered_set<int32_t> mDirectChannelHandles;
628 };
629 
630 #endif  // ANDROID_SENSORS_HIDL_TEST_BASE_H
631