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1 /*
2  * Copyright (C) 2016 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 "CameraProviderManagerTest"
19 
20 #include "../common/CameraProviderManager.h"
21 #include <aidl/android/hardware/camera/device/BnCameraDevice.h>
22 #include <aidl/android/hardware/camera/provider/BnCameraProvider.h>
23 #include <android/binder_auto_utils.h>
24 #include <android/binder_ibinder.h>
25 #include <android/binder_interface_utils.h>
26 #include <android/binder_libbinder.h>
27 #include <android/binder_manager.h>
28 #include <android/binder_parcel.h>
29 #include <android/hardware/camera/device/3.2/ICameraDeviceCallback.h>
30 #include <android/hardware/camera/device/3.2/ICameraDeviceSession.h>
31 #include <android/hidl/manager/1.0/IServiceManager.h>
32 #include <android/hidl/manager/1.0/IServiceNotification.h>
33 #include <binder/IServiceManager.h>
34 #include <camera_metadata_hidden.h>
35 #include <com_android_internal_camera_flags.h>
36 #include <flag_macros.h>
37 #include <gmock/gmock.h>
38 #include <gtest/gtest.h>
39 #include <hidl/HidlBinderSupport.h>
40 #include <utility>
41 
42 using namespace android;
43 using namespace android::hardware::camera;
44 using ::aidl::android::hardware::camera::provider::ICameraProviderCallback;
45 using android::hardware::camera::common::V1_0::CameraMetadataType;
46 using android::hardware::camera::common::V1_0::Status;
47 using android::hardware::camera::common::V1_0::VendorTag;
48 using android::hardware::camera::common::V1_0::VendorTagSection;
49 using android::hardware::camera::device::V3_2::ICameraDeviceCallback;
50 using android::hardware::camera::device::V3_2::ICameraDeviceSession;
51 using android::hardware::camera::provider::V2_5::DeviceState;
52 using ::testing::ElementsAre;
53 
54 namespace flags = com::android::internal::camera::flags;
55 
56 /**
57  * Basic test implementation of a camera ver. 3.2 device interface
58  */
59 struct TestDeviceInterface : public device::V3_2::ICameraDevice {
60     std::vector<hardware::hidl_string> mDeviceNames;
61     android::hardware::hidl_vec<uint8_t> mCharacteristics;
62 
TestDeviceInterfaceTestDeviceInterface63     TestDeviceInterface(std::vector<hardware::hidl_string> deviceNames,
64             android::hardware::hidl_vec<uint8_t> chars) :
65         mDeviceNames(deviceNames), mCharacteristics(chars) {}
66 
TestDeviceInterfaceTestDeviceInterface67     TestDeviceInterface(std::vector<hardware::hidl_string> deviceNames) :
68         mDeviceNames(deviceNames) {}
69 
70     using getResourceCost_cb = std::function<void(
71             hardware::camera::common::V1_0::Status status,
72             const hardware::camera::common::V1_0::CameraResourceCost& resourceCost)>;
getResourceCostTestDeviceInterface73     virtual ::android::hardware::Return<void> getResourceCost(
74             getResourceCost_cb _hidl_cb) override {
75         hardware::camera::common::V1_0::CameraResourceCost resourceCost = {100,
76                 mDeviceNames};
77         _hidl_cb(Status::OK, resourceCost);
78         return hardware::Void();
79     }
80 
81     using getCameraCharacteristics_cb = std::function<void(
82             hardware::camera::common::V1_0::Status status,
83             const hardware::hidl_vec<uint8_t>& cameraCharacteristics)>;
getCameraCharacteristicsTestDeviceInterface84     hardware::Return<void> getCameraCharacteristics(
85             getCameraCharacteristics_cb _hidl_cb) override {
86         _hidl_cb(Status::OK, mCharacteristics);
87         return hardware::Void();
88     }
89 
setTorchModeTestDeviceInterface90     hardware::Return<hardware::camera::common::V1_0::Status> setTorchMode(
91             ::android::hardware::camera::common::V1_0::TorchMode) override {
92         return Status::OK;
93     }
94 
95     using open_cb = std::function<void(
96             ::android::hardware::camera::common::V1_0::Status status,
97              const ::android::sp<ICameraDeviceSession>& session)>;
openTestDeviceInterface98     hardware::Return<void> open(
99             const ::android::sp<ICameraDeviceCallback>&,
100             open_cb _hidl_cb) override {
101         sp<ICameraDeviceSession> deviceSession = nullptr;
102         _hidl_cb(Status::OK, deviceSession);
103         return hardware::Void();
104     }
105 
dumpStateTestDeviceInterface106     hardware::Return<void> dumpState(
107             const ::android::hardware::hidl_handle&) override {
108         return hardware::Void();
109     }
110 };
111 
112 /**
113  * Basic test implementation of a camera provider
114  */
115 struct TestICameraProvider : virtual public provider::V2_5::ICameraProvider {
116     sp<provider::V2_4::ICameraProviderCallback> mCallbacks;
117     std::vector<hardware::hidl_string> mDeviceNames;
118     sp<device::V3_2::ICameraDevice> mDeviceInterface;
119     hardware::hidl_vec<common::V1_0::VendorTagSection> mVendorTagSections;
120 
121     // Whether to call a physical camera unavailable callback upon setCallback
122     bool mHasPhysicalCameraUnavailableCallback;
123     hardware::hidl_string mLogicalCameraId;
124     hardware::hidl_string mUnavailablePhysicalCameraId;
125 
TestICameraProviderTestICameraProvider126     TestICameraProvider(const std::vector<hardware::hidl_string> &devices,
127             const hardware::hidl_vec<common::V1_0::VendorTagSection> &vendorSection) :
128         mDeviceNames(devices),
129         mDeviceInterface(new TestDeviceInterface(devices)),
130         mVendorTagSections (vendorSection),
131         mHasPhysicalCameraUnavailableCallback(false) {}
132 
TestICameraProviderTestICameraProvider133     TestICameraProvider(const std::vector<hardware::hidl_string> &devices,
134             const hardware::hidl_vec<common::V1_0::VendorTagSection> &vendorSection,
135             android::hardware::hidl_vec<uint8_t> chars) :
136         mDeviceNames(devices),
137         mDeviceInterface(new TestDeviceInterface(devices, chars)),
138         mVendorTagSections (vendorSection),
139         mHasPhysicalCameraUnavailableCallback(false) {}
140 
TestICameraProviderTestICameraProvider141     TestICameraProvider(const std::vector<hardware::hidl_string> &devices,
142             const hardware::hidl_vec<common::V1_0::VendorTagSection> &vendorSection,
143             android::hardware::hidl_vec<uint8_t> chars,
144             const hardware::hidl_string& logicalCameraId,
145             const hardware::hidl_string& unavailablePhysicalCameraId) :
146         mDeviceNames(devices),
147         mDeviceInterface(new TestDeviceInterface(devices, chars)),
148         mVendorTagSections (vendorSection),
149         mHasPhysicalCameraUnavailableCallback(true),
150         mLogicalCameraId(logicalCameraId),
151         mUnavailablePhysicalCameraId(unavailablePhysicalCameraId) {}
152 
setCallbackTestICameraProvider153     virtual hardware::Return<Status> setCallback(
154             const sp<provider::V2_4::ICameraProviderCallback>& callbacks) override {
155         mCalledCounter[SET_CALLBACK]++;
156         mCallbacks = callbacks;
157         if (mHasPhysicalCameraUnavailableCallback) {
158             auto cast26 = provider::V2_6::ICameraProviderCallback::castFrom(callbacks);
159             if (!cast26.isOk()) {
160                 ADD_FAILURE() << "Failed to cast ICameraProviderCallback to V2_6";
161             } else {
162                 sp<provider::V2_6::ICameraProviderCallback> callback26 = cast26;
163                 if (callback26 == nullptr) {
164                     ADD_FAILURE() << "V2_6::ICameraProviderCallback is null after conversion";
165                 } else {
166                     callback26->physicalCameraDeviceStatusChange(mLogicalCameraId,
167                             mUnavailablePhysicalCameraId,
168                             android::hardware::camera::common::V1_0::CameraDeviceStatus::NOT_PRESENT);
169                 }
170             }
171         }
172         return hardware::Return<Status>(Status::OK);
173     }
174 
175     using getVendorTags_cb = std::function<void(Status status,
176             const hardware::hidl_vec<common::V1_0::VendorTagSection>& sections)>;
getVendorTagsTestICameraProvider177     hardware::Return<void> getVendorTags(getVendorTags_cb _hidl_cb) override {
178         mCalledCounter[GET_VENDOR_TAGS]++;
179         _hidl_cb(Status::OK, mVendorTagSections);
180         return hardware::Void();
181     }
182 
183     using isSetTorchModeSupported_cb = std::function<void(
184             ::android::hardware::camera::common::V1_0::Status status,
185              bool support)>;
isSetTorchModeSupportedTestICameraProvider186     virtual ::hardware::Return<void> isSetTorchModeSupported(
187             isSetTorchModeSupported_cb _hidl_cb) override {
188         mCalledCounter[IS_SET_TORCH_MODE_SUPPORTED]++;
189         _hidl_cb(Status::OK, false);
190         return hardware::Void();
191     }
192 
193     using getCameraIdList_cb = std::function<void(Status status,
194             const hardware::hidl_vec<hardware::hidl_string>& cameraDeviceNames)>;
getCameraIdListTestICameraProvider195     virtual hardware::Return<void> getCameraIdList(getCameraIdList_cb _hidl_cb) override {
196         mCalledCounter[GET_CAMERA_ID_LIST]++;
197         _hidl_cb(Status::OK, mDeviceNames);
198         return hardware::Void();
199     }
200 
201     using getCameraDeviceInterface_V1_x_cb = std::function<void(Status status,
202             const sp<device::V1_0::ICameraDevice>& device)>;
getCameraDeviceInterface_V1_xTestICameraProvider203     virtual hardware::Return<void> getCameraDeviceInterface_V1_x(
204             [[maybe_unused]] const hardware::hidl_string& cameraDeviceName,
205             getCameraDeviceInterface_V1_x_cb _hidl_cb) override {
206         _hidl_cb(Status::OK, nullptr); //TODO: impl. of ver. 1.0 device interface
207                                        //      otherwise enumeration will fail.
208         return hardware::Void();
209     }
210 
211     using getCameraDeviceInterface_V3_x_cb = std::function<void(Status status,
212             const sp<device::V3_2::ICameraDevice>& device)>;
getCameraDeviceInterface_V3_xTestICameraProvider213     virtual hardware::Return<void> getCameraDeviceInterface_V3_x(
214             const hardware::hidl_string&,
215             getCameraDeviceInterface_V3_x_cb _hidl_cb) override {
216         _hidl_cb(Status::OK, mDeviceInterface);
217         return hardware::Void();
218     }
219 
notifyDeviceStateChangeTestICameraProvider220     virtual hardware::Return<void> notifyDeviceStateChange(
221             hardware::hidl_bitfield<DeviceState> newState) override {
222         mCalledCounter[NOTIFY_DEVICE_STATE]++;
223         mCurrentState = newState;
224         return hardware::Void();
225     }
226 
linkToDeathTestICameraProvider227     virtual ::android::hardware::Return<bool> linkToDeath(
228             const ::android::sp<::android::hardware::hidl_death_recipient>& recipient,
229             uint64_t cookie) {
230         if (mInitialDeathRecipient.get() == nullptr) {
231             mInitialDeathRecipient =
232                 std::make_unique<::android::hardware::hidl_binder_death_recipient>(recipient,
233                         cookie, this);
234         }
235         return true;
236     }
237 
signalInitialBinderDeathRecipientTestICameraProvider238     void signalInitialBinderDeathRecipient() {
239         if (mInitialDeathRecipient.get() != nullptr) {
240             mInitialDeathRecipient->binderDied(nullptr /*who*/);
241         }
242     }
243 
244     std::unique_ptr<::android::hardware::hidl_binder_death_recipient> mInitialDeathRecipient;
245 
246     enum MethodNames {
247         SET_CALLBACK,
248         GET_VENDOR_TAGS,
249         IS_SET_TORCH_MODE_SUPPORTED,
250         NOTIFY_DEVICE_STATE,
251         GET_CAMERA_ID_LIST,
252 
253         METHOD_NAME_COUNT
254     };
255     int mCalledCounter[METHOD_NAME_COUNT] {0};
256 
257     hardware::hidl_bitfield<DeviceState> mCurrentState = 0xFFFFFFFF; // Unlikely to be a real state
258 };
259 
260 struct TestAidlCameraDevice : public aidl::android::hardware::camera::device::BnCameraDevice {
getCameraCharacteristicsTestAidlCameraDevice261     ::ndk::ScopedAStatus getCameraCharacteristics(
262             ::aidl::android::hardware::camera::device::CameraMetadata*) override {
263         return ndk::ScopedAStatus::ok();
264     }
getPhysicalCameraCharacteristicsTestAidlCameraDevice265     ::ndk::ScopedAStatus getPhysicalCameraCharacteristics(
266             const std::string&,
267             ::aidl::android::hardware::camera::device::CameraMetadata*) override {
268         return ndk::ScopedAStatus::ok();
269     }
getResourceCostTestAidlCameraDevice270     ::ndk::ScopedAStatus getResourceCost(
271             ::aidl::android::hardware::camera::common::CameraResourceCost* aidl_return) override {
272         auto cost = ::aidl::android::hardware::camera::common::CameraResourceCost();
273         aidl_return->resourceCost = 100;
274         return ndk::ScopedAStatus::ok();
275     }
isStreamCombinationSupportedTestAidlCameraDevice276     ::ndk::ScopedAStatus isStreamCombinationSupported(
277             const ::aidl::android::hardware::camera::device::StreamConfiguration&, bool*) override {
278         return ndk::ScopedAStatus::ok();
279     }
280     ::ndk::ScopedAStatus
openTestAidlCameraDevice281     open(const std::shared_ptr<::aidl::android::hardware::camera::device::ICameraDeviceCallback>&,
282          std::shared_ptr<::aidl::android::hardware::camera::device::ICameraDeviceSession>*)
283             override {
284         return ndk::ScopedAStatus::ok();
285     }
openInjectionSessionTestAidlCameraDevice286     ::ndk::ScopedAStatus openInjectionSession(
287             const std::shared_ptr<
288                     ::aidl::android::hardware::camera::device::ICameraDeviceCallback>&,
289             std::shared_ptr<::aidl::android::hardware::camera::device::ICameraInjectionSession>*)
290             override {
291         return ndk::ScopedAStatus::ok();
292     }
setTorchModeTestAidlCameraDevice293     ::ndk::ScopedAStatus setTorchMode(bool) override { return ndk::ScopedAStatus::ok(); }
turnOnTorchWithStrengthLevelTestAidlCameraDevice294     ::ndk::ScopedAStatus turnOnTorchWithStrengthLevel(int32_t) override {
295         return ndk::ScopedAStatus::ok();
296     }
getTorchStrengthLevelTestAidlCameraDevice297     ::ndk::ScopedAStatus getTorchStrengthLevel(int32_t*) override {
298         return ndk::ScopedAStatus::ok();
299     }
constructDefaultRequestSettingsTestAidlCameraDevice300     ::ndk::ScopedAStatus constructDefaultRequestSettings(
301             ::aidl::android::hardware::camera::device::RequestTemplate,
302             ::aidl::android::hardware::camera::device::CameraMetadata*) override {
303         return ndk::ScopedAStatus::ok();
304     }
isStreamCombinationWithSettingsSupportedTestAidlCameraDevice305     ::ndk::ScopedAStatus isStreamCombinationWithSettingsSupported(
306             const ::aidl::android::hardware::camera::device::StreamConfiguration&,
307             bool*) override {
308         return ndk::ScopedAStatus::ok();
309     }
310 
getSessionCharacteristicsTestAidlCameraDevice311     ::ndk::ScopedAStatus getSessionCharacteristics(
312         const ::aidl::android::hardware::camera::device::StreamConfiguration&,
313         ::aidl::android::hardware::camera::device::CameraMetadata*) override {
314         return ndk::ScopedAStatus::ok();
315     }
316 };
317 
318 /**
319  * Basic test implementation of a AIDL camera provider
320  */
321 class TestAidlICameraProvider : public aidl::android::hardware::camera::provider::BnCameraProvider {
322   public:
323     std::shared_ptr<ICameraProviderCallback> mCallback;
324     std::vector<std::string> mDeviceNames;
325 
TestAidlICameraProvider(const std::vector<std::string> & deviceNames)326     TestAidlICameraProvider(const std::vector<std::string>& deviceNames) {
327         mDeviceNames = deviceNames;
328     }
329 
setCallback(const std::shared_ptr<::aidl::android::hardware::camera::provider::ICameraProviderCallback> & callback)330     ::ndk::ScopedAStatus setCallback(
331             const std::shared_ptr<
332                     ::aidl::android::hardware::camera::provider::ICameraProviderCallback>& callback)
333             override {
334         mCallback = callback;
335         return ndk::ScopedAStatus::ok();
336     }
getVendorTags(std::vector<::aidl::android::hardware::camera::common::VendorTagSection> *)337     ::ndk::ScopedAStatus getVendorTags(
338             std::vector<::aidl::android::hardware::camera::common::VendorTagSection>*) override {
339         return ndk::ScopedAStatus::ok();
340     }
getCameraIdList(std::vector<std::string> * camera_list)341     ::ndk::ScopedAStatus getCameraIdList(std::vector<std::string>* camera_list) override {
342         ALOGW("getCameraIdList");
343         for (size_t i = 0; i < mDeviceNames.size(); i++) {
344             camera_list->push_back(mDeviceNames.at(i));
345         }
346         return ndk::ScopedAStatus::ok();
347     }
getCameraDeviceInterface(const std::string &,std::shared_ptr<::aidl::android::hardware::camera::device::ICameraDevice> * device)348     ::ndk::ScopedAStatus getCameraDeviceInterface(
349             const std::string&,
350             std::shared_ptr<::aidl::android::hardware::camera::device::ICameraDevice>* device)
351             override {
352         *device = ndk::SharedRefBase::make<TestAidlCameraDevice>();
353         return ndk::ScopedAStatus::ok();
354     }
notifyDeviceStateChange(int64_t)355     ::ndk::ScopedAStatus notifyDeviceStateChange(int64_t) override {
356         return ndk::ScopedAStatus::ok();
357     }
getConcurrentCameraIds(std::vector<::aidl::android::hardware::camera::provider::ConcurrentCameraIdCombination> *)358     ::ndk::ScopedAStatus getConcurrentCameraIds(
359             std::vector<
360                     ::aidl::android::hardware::camera::provider::ConcurrentCameraIdCombination>*)
361             override {
362         return ndk::ScopedAStatus::ok();
363     }
isConcurrentStreamCombinationSupported(const std::vector<::aidl::android::hardware::camera::provider::CameraIdAndStreamCombination> &,bool *)364     ::ndk::ScopedAStatus isConcurrentStreamCombinationSupported(
365             const std::vector<
366                     ::aidl::android::hardware::camera::provider::CameraIdAndStreamCombination>&,
367             bool*) override {
368         return ndk::ScopedAStatus::ok();
369     }
370 };
371 
372 /**
373  * Simple test version of HidlServiceInteractionProxy, to use to inject onRegistered calls to the
374  * CameraProviderManager
375  */
376 struct TestHidlInteractionProxy : public CameraProviderManager::HidlServiceInteractionProxy {
377     sp<hidl::manager::V1_0::IServiceNotification> mManagerNotificationInterface;
378     sp<TestICameraProvider> mTestCameraProvider;
379 
TestHidlInteractionProxyTestHidlInteractionProxy380     TestHidlInteractionProxy() {}
381 
setProviderTestHidlInteractionProxy382     void setProvider(sp<TestICameraProvider> provider) {
383         mTestCameraProvider = provider;
384     }
385 
386     std::vector<std::string> mLastRequestedServiceNames;
387 
~TestHidlInteractionProxyTestHidlInteractionProxy388     virtual ~TestHidlInteractionProxy() {}
389 
registerForNotificationsTestHidlInteractionProxy390     virtual bool registerForNotifications(
391             [[maybe_unused]] const std::string &serviceName,
392             const sp<hidl::manager::V1_0::IServiceNotification> &notification) override {
393         mManagerNotificationInterface = notification;
394         return true;
395     }
396 
tryGetServiceTestHidlInteractionProxy397     virtual sp<hardware::camera::provider::V2_4::ICameraProvider> tryGetService(
398             const std::string &serviceName) override {
399         // If no provider has been given, act like the HAL isn't available and return null.
400         if (mTestCameraProvider == nullptr) return nullptr;
401         return getService(serviceName);
402     }
403 
getServiceTestHidlInteractionProxy404     virtual sp<hardware::camera::provider::V2_4::ICameraProvider> getService(
405             const std::string &serviceName) override {
406         // If no provider has been given, fail; in reality, getService would
407         // block for HALs that don't start correctly, so we should never use
408         // getService when we don't have a valid HAL running
409         if (mTestCameraProvider == nullptr) {
410             ADD_FAILURE() << "getService called with no valid provider; would block indefinitely";
411             // Real getService would block, but that's bad in unit tests. So
412             // just record an error and return nullptr
413             return nullptr;
414         }
415         mLastRequestedServiceNames.push_back(serviceName);
416         return mTestCameraProvider;
417     }
418 
listServicesTestHidlInteractionProxy419     virtual hardware::hidl_vec<hardware::hidl_string> listServices() override {
420         // Always provide a list even if there's no actual provider yet, to
421         // simulate stuck HAL situations as well
422         hardware::hidl_vec<hardware::hidl_string> ret = {"test/0"};
423         return ret;
424     }
425 };
426 
427 /**
428  * Simple test version of AidlServiceInteractionProxy, to use to inject onRegistered calls to the
429  * CameraProviderManager
430  */
431 struct TestAidlInteractionProxy : public CameraProviderManager::AidlServiceInteractionProxy {
432     std::shared_ptr<TestAidlICameraProvider> mTestAidlCameraProvider;
433 
TestAidlInteractionProxyTestAidlInteractionProxy434     TestAidlInteractionProxy() {}
435 
setProviderTestAidlInteractionProxy436     void setProvider(std::shared_ptr<TestAidlICameraProvider> provider) {
437         mTestAidlCameraProvider = provider;
438     }
439 
440     std::vector<std::string> mLastRequestedServiceNames;
441 
~TestAidlInteractionProxyTestAidlInteractionProxy442     virtual ~TestAidlInteractionProxy() {}
443 
444     virtual std::shared_ptr<aidl::android::hardware::camera::provider::ICameraProvider>
getServiceTestAidlInteractionProxy445             getService(const std::string& serviceName) override {
446         // If no provider has been given, fail; in reality, getService would
447         // block for HALs that don't start correctly, so we should never use
448         // getService when we don't have a valid HAL running
449         if (mTestAidlCameraProvider == nullptr) {
450             ADD_FAILURE() << __FUNCTION__ << "called with no valid provider;"
451                           << " would block indefinitely";
452             // Real getService would block, but that's bad in unit tests. So
453             // just record an error and return nullptr
454             return nullptr;
455         }
456         mLastRequestedServiceNames.push_back(serviceName);
457         return mTestAidlCameraProvider;
458     }
459 
460     virtual std::shared_ptr<aidl::android::hardware::camera::provider::ICameraProvider>
tryGetServiceTestAidlInteractionProxy461     tryGetService(const std::string&) override {
462         return mTestAidlCameraProvider;
463     }
464 };
465 
466 struct TestStatusListener : public CameraProviderManager::StatusListener {
467     int mPhysicalCameraStatusChangeCount = 0;
468 
~TestStatusListenerTestStatusListener469     ~TestStatusListener() {}
470 
onDeviceStatusChangedTestStatusListener471     void onDeviceStatusChanged(const std::string &,
472             CameraDeviceStatus) override {}
onDeviceStatusChangedTestStatusListener473     void onDeviceStatusChanged(const std::string &, const std::string &,
474             CameraDeviceStatus) override {
475         mPhysicalCameraStatusChangeCount++;
476     }
onTorchStatusChangedTestStatusListener477     void onTorchStatusChanged(const std::string &,
478             TorchModeStatus) override {}
onTorchStatusChangedTestStatusListener479     void onTorchStatusChanged(const std::string &,
480             TorchModeStatus, SystemCameraKind) override {}
onNewProviderRegisteredTestStatusListener481     void onNewProviderRegistered() override {}
482 };
483 
TEST(CameraProviderManagerTest,InitializeDynamicDepthTest)484 TEST(CameraProviderManagerTest, InitializeDynamicDepthTest) {
485     std::vector<hardware::hidl_string> deviceNames;
486     deviceNames.push_back("device@3.2/test/0");
487     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
488     status_t res;
489     sp<CameraProviderManager> providerManager = new CameraProviderManager();
490     sp<TestStatusListener> statusListener = new TestStatusListener();
491     TestHidlInteractionProxy serviceProxy;
492 
493     android::hardware::hidl_vec<uint8_t> chars;
494     CameraMetadata meta;
495     int32_t charKeys[] = { ANDROID_DEPTH_DEPTH_IS_EXCLUSIVE,
496             ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS };
497     meta.update(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS, charKeys,
498             sizeof(charKeys) / sizeof(charKeys[0]));
499     uint8_t depthIsExclusive = ANDROID_DEPTH_DEPTH_IS_EXCLUSIVE_FALSE;
500     meta.update(ANDROID_DEPTH_DEPTH_IS_EXCLUSIVE, &depthIsExclusive, 1);
501     int32_t sizes[] = { HAL_PIXEL_FORMAT_BLOB,
502             640, 480, ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT };
503     meta.update(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS, sizes,
504             sizeof(sizes) / sizeof(sizes[0]));
505     sizes[0] = HAL_PIXEL_FORMAT_Y16;
506     meta.update(ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS, sizes,
507             sizeof(sizes) / sizeof(sizes[0]));
508     int64_t durations[] = { HAL_PIXEL_FORMAT_BLOB, 640, 480, 0 };
509     meta.update(ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS, durations,
510             sizeof(durations) / sizeof(durations[0]));
511     meta.update(ANDROID_SCALER_AVAILABLE_STALL_DURATIONS, durations,
512             sizeof(durations) / sizeof(durations[0]));
513     durations[0]= HAL_PIXEL_FORMAT_Y16;
514     meta.update(ANDROID_DEPTH_AVAILABLE_DEPTH_MIN_FRAME_DURATIONS, durations,
515             sizeof(durations) / sizeof(durations[0]));
516     meta.update(ANDROID_DEPTH_AVAILABLE_DEPTH_STALL_DURATIONS, durations,
517             sizeof(durations) / sizeof(durations[0]));
518     camera_metadata_t* metaBuffer = const_cast<camera_metadata_t*>(meta.getAndLock());
519     chars.setToExternal(reinterpret_cast<uint8_t*>(metaBuffer),
520             get_camera_metadata_size(metaBuffer));
521 
522     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
523             vendorSection, chars);
524     serviceProxy.setProvider(provider);
525 
526     res = providerManager->initialize(statusListener, &serviceProxy);
527     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
528 }
529 
TEST(CameraProviderManagerTest,InitializeTest)530 TEST(CameraProviderManagerTest, InitializeTest) {
531     std::vector<hardware::hidl_string> deviceNames;
532     deviceNames.push_back("device@3.2/test/0");
533     deviceNames.push_back("device@1.0/test/0");
534     deviceNames.push_back("device@3.2/test/1");
535     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
536     status_t res;
537     sp<CameraProviderManager> providerManager = new CameraProviderManager();
538     sp<TestStatusListener> statusListener = new TestStatusListener();
539     TestHidlInteractionProxy serviceProxy;
540     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
541             vendorSection);
542     serviceProxy.setProvider(provider);
543 
544     int numProviders = static_cast<int>(serviceProxy.listServices().size());
545 
546     res = providerManager->initialize(statusListener, &serviceProxy);
547     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
548     // Check that both "legacy" and "external" providers (really the same object) are called
549     // once for all the init methods
550     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::SET_CALLBACK], numProviders) <<
551             "Only one call to setCallback per provider expected during init";
552     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_VENDOR_TAGS], numProviders) <<
553             "Only one call to getVendorTags per provider expected during init";
554     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::IS_SET_TORCH_MODE_SUPPORTED],
555             numProviders) <<
556             "Only one call to isSetTorchModeSupported per provider expected during init";
557     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_CAMERA_ID_LIST], numProviders) <<
558             "Only one call to getCameraIdList per provider expected during init";
559     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::NOTIFY_DEVICE_STATE], numProviders) <<
560             "Only one call to notifyDeviceState per provider expected during init";
561 
562     hardware::hidl_string testProviderFqInterfaceName =
563             "android.hardware.camera.provider@2.4::ICameraProvider";
564     hardware::hidl_string testProviderInstanceName = "test/0";
565     serviceProxy.mManagerNotificationInterface->onRegistration(
566             testProviderFqInterfaceName,
567             testProviderInstanceName, false);
568 
569     ASSERT_EQ(serviceProxy.mLastRequestedServiceNames.back(), testProviderInstanceName) <<
570             "Incorrect instance requested from service manager";
571 }
572 
TEST(CameraProviderManagerTest,MultipleVendorTagTest)573 TEST(CameraProviderManagerTest, MultipleVendorTagTest) {
574     hardware::hidl_string sectionName = "VendorTestSection";
575     hardware::hidl_string tagName = "VendorTestTag";
576     uint32_t tagId = VENDOR_SECTION << 16;
577     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
578     CameraMetadataType tagType = CameraMetadataType::BYTE;
579     vendorSection.resize(1);
580     vendorSection[0].sectionName = sectionName;
581     vendorSection[0].tags.resize(1);
582     vendorSection[0].tags[0].tagId = tagId;
583     vendorSection[0].tags[0].tagName = tagName;
584     vendorSection[0].tags[0].tagType = tagType;
585     std::vector<hardware::hidl_string> deviceNames = {"device@3.2/test/0"};
586 
587     sp<CameraProviderManager> providerManager = new CameraProviderManager();
588     sp<TestStatusListener> statusListener = new TestStatusListener();
589     TestHidlInteractionProxy serviceProxy;
590 
591     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
592             vendorSection);
593     serviceProxy.setProvider(provider);
594 
595     auto res = providerManager->initialize(statusListener, &serviceProxy);
596     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
597 
598     hardware::hidl_string testProviderInstanceName = "test/0";
599     hardware::hidl_string testProviderFqInterfaceName =
600             "android.hardware.camera.provider@2.4::ICameraProvider";
601     serviceProxy.mManagerNotificationInterface->onRegistration(
602             testProviderFqInterfaceName, testProviderInstanceName, false);
603     ASSERT_EQ(serviceProxy.mLastRequestedServiceNames.back(), testProviderInstanceName) <<
604             "Incorrect instance requested from service manager";
605 
606     hardware::hidl_string sectionNameSecond = "SecondVendorTestSection";
607     hardware::hidl_string secondTagName = "SecondVendorTestTag";
608     CameraMetadataType secondTagType = CameraMetadataType::DOUBLE;
609     vendorSection[0].sectionName = sectionNameSecond;
610     vendorSection[0].tags[0].tagId = tagId;
611     vendorSection[0].tags[0].tagName = secondTagName;
612     vendorSection[0].tags[0].tagType = secondTagType;
613     deviceNames = {"device@3.2/test2/1"};
614 
615     sp<TestICameraProvider> secondProvider =  new TestICameraProvider(
616             deviceNames, vendorSection);
617     serviceProxy.setProvider(secondProvider);
618     hardware::hidl_string testProviderSecondInstanceName = "test2/0";
619     serviceProxy.mManagerNotificationInterface->onRegistration(
620             testProviderFqInterfaceName, testProviderSecondInstanceName, false);
621     ASSERT_EQ(serviceProxy.mLastRequestedServiceNames.back(),
622               testProviderSecondInstanceName) <<
623             "Incorrect instance requested from service manager";
624 
625     ASSERT_EQ(NO_ERROR , providerManager->setUpVendorTags());
626     sp<VendorTagDescriptorCache> vendorCache =
627             VendorTagDescriptorCache::getGlobalVendorTagCache();
628     ASSERT_NE(nullptr, vendorCache.get());
629 
630     metadata_vendor_id_t vendorId = std::hash<std::string> {} (
631             testProviderInstanceName.c_str());
632     metadata_vendor_id_t vendorIdSecond = std::hash<std::string> {} (
633             testProviderSecondInstanceName.c_str());
634 
635     hardware::hidl_string resultTag = vendorCache->getTagName(tagId, vendorId);
636     ASSERT_EQ(resultTag, tagName);
637 
638     resultTag = vendorCache->getTagName(tagId, vendorIdSecond);
639     ASSERT_EQ(resultTag, secondTagName);
640 
641     // Check whether we can create two separate CameraMetadata instances
642     // using different tag vendor vendors.
643     camera_metadata *metaBuffer = allocate_camera_metadata(10, 20);
644     ASSERT_NE(nullptr, metaBuffer);
645     set_camera_metadata_vendor_id(metaBuffer, vendorId);
646     CameraMetadata metadata(metaBuffer);
647 
648     uint8_t byteVal = 10;
649     ASSERT_TRUE(metadata.isEmpty());
650     ASSERT_EQ(OK, metadata.update(tagId, &byteVal, 1));
651     ASSERT_FALSE(metadata.isEmpty());
652     ASSERT_TRUE(metadata.exists(tagId));
653 
654     metaBuffer = allocate_camera_metadata(10, 20);
655     ASSERT_NE(nullptr, metaBuffer);
656     set_camera_metadata_vendor_id(metaBuffer, vendorIdSecond);
657     CameraMetadata secondMetadata(metaBuffer);
658 
659     ASSERT_TRUE(secondMetadata.isEmpty());
660     double doubleVal = 1.0f;
661     ASSERT_EQ(OK, secondMetadata.update(tagId, &doubleVal, 1));
662     ASSERT_FALSE(secondMetadata.isEmpty());
663     ASSERT_TRUE(secondMetadata.exists(tagId));
664 
665     // Check whether CameraMetadata copying works as expected
666     CameraMetadata metadataCopy(metadata);
667     ASSERT_FALSE(metadataCopy.isEmpty());
668     ASSERT_TRUE(metadataCopy.exists(tagId));
669     ASSERT_EQ(OK, metadataCopy.update(tagId, &byteVal, 1));
670     ASSERT_TRUE(metadataCopy.exists(tagId));
671 
672     // Check whether values are as expected
673     camera_metadata_entry_t entry = metadata.find(tagId);
674     ASSERT_EQ(1u, entry.count);
675     ASSERT_EQ(byteVal, entry.data.u8[0]);
676     entry = secondMetadata.find(tagId);
677     ASSERT_EQ(1u, entry.count);
678     ASSERT_EQ(doubleVal, entry.data.d[0]);
679 
680     // Swap and erase
681     secondMetadata.swap(metadataCopy);
682     ASSERT_TRUE(metadataCopy.exists(tagId));
683     ASSERT_TRUE(secondMetadata.exists(tagId));
684     ASSERT_EQ(OK, secondMetadata.erase(tagId));
685     ASSERT_TRUE(secondMetadata.isEmpty());
686     doubleVal = 0.0f;
687     ASSERT_EQ(OK, metadataCopy.update(tagId, &doubleVal, 1));
688     entry = metadataCopy.find(tagId);
689     ASSERT_EQ(1u, entry.count);
690     ASSERT_EQ(doubleVal, entry.data.d[0]);
691 
692     // Append
693     uint8_t sceneMode = ANDROID_CONTROL_SCENE_MODE_ACTION;
694     secondMetadata.update(ANDROID_CONTROL_SCENE_MODE, &sceneMode, 1);
695     // Append from two different vendor tag providers is not supported!
696     ASSERT_NE(OK, metadataCopy.append(secondMetadata));
697     ASSERT_EQ(OK, metadataCopy.erase(tagId));
698     metadataCopy.update(ANDROID_CONTROL_SCENE_MODE, &sceneMode, 1);
699     // However appending from same vendor tag provider should be fine
700     ASSERT_EQ(OK, metadata.append(secondMetadata));
701     // Append from a metadata without vendor tag provider should be supported
702     CameraMetadata regularMetadata(10, 20);
703     uint8_t controlMode = ANDROID_CONTROL_MODE_AUTO;
704     regularMetadata.update(ANDROID_CONTROL_MODE, &controlMode, 1);
705     ASSERT_EQ(OK, secondMetadata.append(regularMetadata));
706     ASSERT_EQ(2u, secondMetadata.entryCount());
707     ASSERT_EQ(2u, metadata.entryCount());
708 
709     // Dump
710     metadata.dump(1, 2);
711     metadataCopy.dump(1, 2);
712     secondMetadata.dump(1, 2);
713 }
714 
TEST(CameraProviderManagerTest,NotifyStateChangeTest)715 TEST(CameraProviderManagerTest, NotifyStateChangeTest) {
716     std::vector<hardware::hidl_string> deviceNames {
717         "device@3.2/test/0",
718         "device@1.0/test/0",
719         "device@3.2/test/1"};
720 
721     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
722     status_t res;
723     sp<CameraProviderManager> providerManager = new CameraProviderManager();
724     sp<TestStatusListener> statusListener = new TestStatusListener();
725     TestHidlInteractionProxy serviceProxy;
726     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
727             vendorSection);
728     serviceProxy.setProvider(provider);
729 
730     res = providerManager->initialize(statusListener, &serviceProxy);
731     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
732 
733     ASSERT_EQ(provider->mCurrentState,
734             static_cast<hardware::hidl_bitfield<DeviceState>>(DeviceState::NORMAL))
735             << "Initial device state not set";
736 
737     res = providerManager->notifyDeviceStateChange(
738         static_cast<hardware::hidl_bitfield<DeviceState>>(DeviceState::FOLDED));
739 
740     ASSERT_EQ(res, OK) << "Unable to call notifyDeviceStateChange";
741     ASSERT_EQ(provider->mCurrentState,
742             static_cast<hardware::hidl_bitfield<DeviceState>>(DeviceState::FOLDED))
743             << "Unable to change device state";
744 
745 }
746 
747 // Test that CameraProviderManager doesn't get stuck when the camera HAL isn't really working
TEST(CameraProviderManagerTest,BadHalStartupTest)748 TEST(CameraProviderManagerTest, BadHalStartupTest) {
749 
750     std::vector<hardware::hidl_string> deviceNames;
751     deviceNames.push_back("device@3.2/test/0");
752     deviceNames.push_back("device@1.0/test/0");
753     deviceNames.push_back("device@3.2/test/1");
754     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
755     status_t res;
756 
757     sp<CameraProviderManager> providerManager = new CameraProviderManager();
758     sp<TestStatusListener> statusListener = new TestStatusListener();
759     TestHidlInteractionProxy serviceProxy;
760     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
761             vendorSection);
762 
763     // Not setting up provider in the service proxy yet, to test cases where a
764     // HAL isn't starting right
765     res = providerManager->initialize(statusListener, &serviceProxy);
766     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
767 
768     // Now set up provider and trigger a registration
769     serviceProxy.setProvider(provider);
770     int numProviders = static_cast<int>(serviceProxy.listServices().size());
771 
772     hardware::hidl_string testProviderFqInterfaceName =
773             "android.hardware.camera.provider@2.4::ICameraProvider";
774     hardware::hidl_string testProviderInstanceName = "test/0";
775     serviceProxy.mManagerNotificationInterface->onRegistration(
776             testProviderFqInterfaceName,
777             testProviderInstanceName, false);
778 
779     // Check that new provider is called once for all the init methods
780     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::SET_CALLBACK], numProviders) <<
781             "Only one call to setCallback per provider expected during register";
782     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_VENDOR_TAGS], numProviders) <<
783             "Only one call to getVendorTags per provider expected during register";
784     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::IS_SET_TORCH_MODE_SUPPORTED],
785             numProviders) <<
786             "Only one call to isSetTorchModeSupported per provider expected during init";
787     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_CAMERA_ID_LIST], numProviders) <<
788             "Only one call to getCameraIdList per provider expected during init";
789     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::NOTIFY_DEVICE_STATE], numProviders) <<
790             "Only one call to notifyDeviceState per provider expected during init";
791 
792     ASSERT_EQ(serviceProxy.mLastRequestedServiceNames.back(), testProviderInstanceName) <<
793             "Incorrect instance requested from service manager";
794 }
795 
796 // Test that CameraProviderManager can handle races between provider death notifications and
797 // provider registration callbacks
TEST(CameraProviderManagerTest,BinderDeathRegistrationRaceTest)798 TEST(CameraProviderManagerTest, BinderDeathRegistrationRaceTest) {
799 
800     std::vector<hardware::hidl_string> deviceNames;
801     deviceNames.push_back("device@3.2/test/0");
802     deviceNames.push_back("device@3.2/test/1");
803     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
804     status_t res;
805 
806     sp<CameraProviderManager> providerManager = new CameraProviderManager();
807     sp<TestStatusListener> statusListener = new TestStatusListener();
808     TestHidlInteractionProxy serviceProxy;
809     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
810             vendorSection);
811 
812     // Not setting up provider in the service proxy yet, to test cases where a
813     // HAL isn't starting right
814     res = providerManager->initialize(statusListener, &serviceProxy);
815     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
816 
817     // Now set up provider and trigger a registration
818     serviceProxy.setProvider(provider);
819 
820     hardware::hidl_string testProviderFqInterfaceName =
821             "android.hardware.camera.provider@2.4::ICameraProvider";
822     hardware::hidl_string testProviderInstanceName = "test/0";
823     serviceProxy.mManagerNotificationInterface->onRegistration(
824             testProviderFqInterfaceName,
825             testProviderInstanceName, false);
826 
827     // Simulate artificial delay of the registration callback which arrives before the
828     // death notification
829     serviceProxy.mManagerNotificationInterface->onRegistration(
830             testProviderFqInterfaceName,
831             testProviderInstanceName, false);
832 
833     provider->signalInitialBinderDeathRecipient();
834 
835     auto deviceCount = static_cast<unsigned> (providerManager->getCameraCount().second);
836     ASSERT_EQ(deviceCount, deviceNames.size()) <<
837             "Unexpected amount of camera devices";
838 }
839 
840 // Test that CameraProviderManager does not trigger
841 // onDeviceStatusChanged(NOT_PRESENT) for physical camera before initialize()
842 // returns.
TEST(CameraProviderManagerTest,PhysicalCameraAvailabilityCallbackRaceTest)843 TEST(CameraProviderManagerTest, PhysicalCameraAvailabilityCallbackRaceTest) {
844     std::vector<hardware::hidl_string> deviceNames;
845     deviceNames.push_back("device@3.2/test/0");
846     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
847 
848     sp<CameraProviderManager> providerManager = new CameraProviderManager();
849     sp<TestStatusListener> statusListener = new TestStatusListener();
850     TestHidlInteractionProxy serviceProxy;
851 
852     android::hardware::hidl_vec<uint8_t> chars;
853     CameraMetadata meta;
854     int32_t charKeys[] = { ANDROID_REQUEST_AVAILABLE_CAPABILITIES };
855     meta.update(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS, charKeys,
856             sizeof(charKeys) / sizeof(charKeys[0]));
857     uint8_t capabilities[] = { ANDROID_REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA };
858     meta.update(ANDROID_REQUEST_AVAILABLE_CAPABILITIES, capabilities,
859             sizeof(capabilities)/sizeof(capabilities[0]));
860     uint8_t physicalCameraIds[] = { '2', '\0', '3', '\0' };
861     meta.update(ANDROID_LOGICAL_MULTI_CAMERA_PHYSICAL_IDS, physicalCameraIds,
862             sizeof(physicalCameraIds)/sizeof(physicalCameraIds[0]));
863     camera_metadata_t* metaBuffer = const_cast<camera_metadata_t*>(meta.getAndLock());
864     chars.setToExternal(reinterpret_cast<uint8_t*>(metaBuffer),
865             get_camera_metadata_size(metaBuffer));
866 
867     sp<TestICameraProvider> provider = new TestICameraProvider(deviceNames,
868             vendorSection, chars, "device@3.2/test/0", "2");
869     serviceProxy.setProvider(provider);
870 
871     status_t res = providerManager->initialize(statusListener, &serviceProxy);
872     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
873 
874     ASSERT_EQ(statusListener->mPhysicalCameraStatusChangeCount, 0)
875             << "Unexpected physical camera status change callback upon provider init.";
876 
877     std::unordered_map<std::string, std::set<std::string>> unavailablePhysicalIds;
878     auto cameraIds = providerManager->getCameraDeviceIds(&unavailablePhysicalIds);
879     ASSERT_TRUE(unavailablePhysicalIds.count("0") > 0 && unavailablePhysicalIds["0"].count("2") > 0)
880         << "Unavailable physical camera Ids not set properly.";
881 }
882 
TEST(CameraProviderManagerTest,AidlVirtualCameraProviderDiscovered)883 TEST(CameraProviderManagerTest, AidlVirtualCameraProviderDiscovered) {
884     sp<CameraProviderManager> providerManager = new CameraProviderManager();
885     sp<TestStatusListener> statusListener = new TestStatusListener();
886     TestAidlInteractionProxy aidlServiceProxy;
887     TestHidlInteractionProxy hidlServiceProxy;
888 
889     status_t res = providerManager->initialize(statusListener,
890                                                &hidlServiceProxy, &aidlServiceProxy);
891     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
892 
893     std::vector<std::string> cameraList = {"device@1.1/virtual/123"};
894 
895     std::shared_ptr<TestAidlICameraProvider> aidlProvider =
896             ndk::SharedRefBase::make<TestAidlICameraProvider>(cameraList);
897     ndk::SpAIBinder spBinder = aidlProvider->asBinder();
898     AIBinder* aiBinder = spBinder.get();
899     aidlServiceProxy.setProvider(aidlProvider);
900     providerManager->onServiceRegistration(
901             String16("android.hardware.camera.provider.ICameraProvider/virtual/0"),
902             AIBinder_toPlatformBinder(aiBinder));
903 
904     std::unordered_map<std::string, std::set<std::string>> unavailableDeviceIds;
905     auto cameraIds = providerManager->getCameraDeviceIds(&unavailableDeviceIds);
906 
907     EXPECT_THAT(cameraIds, ElementsAre("123"));
908 }
909 
TEST(CameraProviderManagerTest,AidlVirtualCameraProviderDiscoveredOnInit)910 TEST(CameraProviderManagerTest, AidlVirtualCameraProviderDiscoveredOnInit) {
911     sp<CameraProviderManager> providerManager = new CameraProviderManager();
912     sp<TestStatusListener> statusListener = new TestStatusListener();
913     TestAidlInteractionProxy aidlServiceProxy;
914     TestHidlInteractionProxy hidlServiceProxy;
915 
916     std::vector<std::string> cameraList = {"device@1.1/virtual/123"};
917 
918     std::shared_ptr<TestAidlICameraProvider> aidlProvider =
919             ndk::SharedRefBase::make<TestAidlICameraProvider>(cameraList);
920     aidlServiceProxy.setProvider(aidlProvider);
921 
922     status_t res = providerManager->initialize(statusListener,
923                                                &hidlServiceProxy, &aidlServiceProxy);
924     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
925 
926     std::unordered_map<std::string, std::set<std::string>> unavailableDeviceIds;
927     std::vector<std::string> cameraIds = providerManager->getCameraDeviceIds(&unavailableDeviceIds);
928 
929     EXPECT_THAT(cameraIds, ElementsAre("123"));
930 }
931