xref: /aosp_15_r20/frameworks/av/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp (revision ec779b8e0859a360c3d303172224686826e6e0e1)
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_companion_virtualdevice_flags.h>
24 #include <android/binder_auto_utils.h>
25 #include <android/binder_ibinder.h>
26 #include <android/binder_interface_utils.h>
27 #include <android/binder_libbinder.h>
28 #include <android/binder_manager.h>
29 #include <android/binder_parcel.h>
30 #include <android/hardware/camera/device/3.2/ICameraDeviceCallback.h>
31 #include <android/hardware/camera/device/3.2/ICameraDeviceSession.h>
32 #include <android/hidl/manager/1.0/IServiceManager.h>
33 #include <android/hidl/manager/1.0/IServiceNotification.h>
34 #include <binder/IServiceManager.h>
35 #include <camera_metadata_hidden.h>
36 #include <com_android_internal_camera_flags.h>
37 #include <flag_macros.h>
38 #include <gmock/gmock.h>
39 #include <gtest/gtest.h>
40 #include <hidl/HidlBinderSupport.h>
41 #include <utility>
42 
43 using namespace android;
44 using namespace android::hardware::camera;
45 using ::aidl::android::hardware::camera::provider::ICameraProviderCallback;
46 using android::hardware::camera::common::V1_0::CameraMetadataType;
47 using android::hardware::camera::common::V1_0::Status;
48 using android::hardware::camera::common::V1_0::VendorTag;
49 using android::hardware::camera::common::V1_0::VendorTagSection;
50 using android::hardware::camera::device::V3_2::ICameraDeviceCallback;
51 using android::hardware::camera::device::V3_2::ICameraDeviceSession;
52 using android::hardware::camera::provider::V2_5::DeviceState;
53 using ::testing::ElementsAre;
54 
55 namespace flags = com::android::internal::camera::flags;
56 namespace vd_flags = android::companion::virtualdevice::flags;
57 
58 /**
59  * Basic test implementation of a camera ver. 3.2 device interface
60  */
61 struct TestDeviceInterface : public device::V3_2::ICameraDevice {
62     std::vector<hardware::hidl_string> mDeviceNames;
63     android::hardware::hidl_vec<uint8_t> mCharacteristics;
64 
TestDeviceInterfaceTestDeviceInterface65     TestDeviceInterface(std::vector<hardware::hidl_string> deviceNames,
66             android::hardware::hidl_vec<uint8_t> chars) :
67         mDeviceNames(deviceNames), mCharacteristics(chars) {}
68 
TestDeviceInterfaceTestDeviceInterface69     TestDeviceInterface(std::vector<hardware::hidl_string> deviceNames) :
70         mDeviceNames(deviceNames) {}
71 
72     using getResourceCost_cb = std::function<void(
73             hardware::camera::common::V1_0::Status status,
74             const hardware::camera::common::V1_0::CameraResourceCost& resourceCost)>;
getResourceCostTestDeviceInterface75     virtual ::android::hardware::Return<void> getResourceCost(
76             getResourceCost_cb _hidl_cb) override {
77         hardware::camera::common::V1_0::CameraResourceCost resourceCost = {100,
78                 mDeviceNames};
79         _hidl_cb(Status::OK, resourceCost);
80         return hardware::Void();
81     }
82 
83     using getCameraCharacteristics_cb = std::function<void(
84             hardware::camera::common::V1_0::Status status,
85             const hardware::hidl_vec<uint8_t>& cameraCharacteristics)>;
getCameraCharacteristicsTestDeviceInterface86     hardware::Return<void> getCameraCharacteristics(
87             getCameraCharacteristics_cb _hidl_cb) override {
88         _hidl_cb(Status::OK, mCharacteristics);
89         return hardware::Void();
90     }
91 
setTorchModeTestDeviceInterface92     hardware::Return<hardware::camera::common::V1_0::Status> setTorchMode(
93             ::android::hardware::camera::common::V1_0::TorchMode) override {
94         return Status::OK;
95     }
96 
97     using open_cb = std::function<void(
98             ::android::hardware::camera::common::V1_0::Status status,
99              const ::android::sp<ICameraDeviceSession>& session)>;
openTestDeviceInterface100     hardware::Return<void> open(
101             const ::android::sp<ICameraDeviceCallback>&,
102             open_cb _hidl_cb) override {
103         sp<ICameraDeviceSession> deviceSession = nullptr;
104         _hidl_cb(Status::OK, deviceSession);
105         return hardware::Void();
106     }
107 
dumpStateTestDeviceInterface108     hardware::Return<void> dumpState(
109             const ::android::hardware::hidl_handle&) override {
110         return hardware::Void();
111     }
112 };
113 
114 /**
115  * Basic test implementation of a camera provider
116  */
117 struct TestICameraProvider : virtual public provider::V2_5::ICameraProvider {
118     sp<provider::V2_4::ICameraProviderCallback> mCallbacks;
119     std::vector<hardware::hidl_string> mDeviceNames;
120     sp<device::V3_2::ICameraDevice> mDeviceInterface;
121     hardware::hidl_vec<common::V1_0::VendorTagSection> mVendorTagSections;
122 
123     // Whether to call a physical camera unavailable callback upon setCallback
124     bool mHasPhysicalCameraUnavailableCallback;
125     hardware::hidl_string mLogicalCameraId;
126     hardware::hidl_string mUnavailablePhysicalCameraId;
127 
TestICameraProviderTestICameraProvider128     TestICameraProvider(const std::vector<hardware::hidl_string> &devices,
129             const hardware::hidl_vec<common::V1_0::VendorTagSection> &vendorSection) :
130         mDeviceNames(devices),
131         mDeviceInterface(new TestDeviceInterface(devices)),
132         mVendorTagSections (vendorSection),
133         mHasPhysicalCameraUnavailableCallback(false) {}
134 
TestICameraProviderTestICameraProvider135     TestICameraProvider(const std::vector<hardware::hidl_string> &devices,
136             const hardware::hidl_vec<common::V1_0::VendorTagSection> &vendorSection,
137             android::hardware::hidl_vec<uint8_t> chars) :
138         mDeviceNames(devices),
139         mDeviceInterface(new TestDeviceInterface(devices, chars)),
140         mVendorTagSections (vendorSection),
141         mHasPhysicalCameraUnavailableCallback(false) {}
142 
TestICameraProviderTestICameraProvider143     TestICameraProvider(const std::vector<hardware::hidl_string> &devices,
144             const hardware::hidl_vec<common::V1_0::VendorTagSection> &vendorSection,
145             android::hardware::hidl_vec<uint8_t> chars,
146             const hardware::hidl_string& logicalCameraId,
147             const hardware::hidl_string& unavailablePhysicalCameraId) :
148         mDeviceNames(devices),
149         mDeviceInterface(new TestDeviceInterface(devices, chars)),
150         mVendorTagSections (vendorSection),
151         mHasPhysicalCameraUnavailableCallback(true),
152         mLogicalCameraId(logicalCameraId),
153         mUnavailablePhysicalCameraId(unavailablePhysicalCameraId) {}
154 
setCallbackTestICameraProvider155     virtual hardware::Return<Status> setCallback(
156             const sp<provider::V2_4::ICameraProviderCallback>& callbacks) override {
157         mCalledCounter[SET_CALLBACK]++;
158         mCallbacks = callbacks;
159         if (mHasPhysicalCameraUnavailableCallback) {
160             auto cast26 = provider::V2_6::ICameraProviderCallback::castFrom(callbacks);
161             if (!cast26.isOk()) {
162                 ADD_FAILURE() << "Failed to cast ICameraProviderCallback to V2_6";
163             } else {
164                 sp<provider::V2_6::ICameraProviderCallback> callback26 = cast26;
165                 if (callback26 == nullptr) {
166                     ADD_FAILURE() << "V2_6::ICameraProviderCallback is null after conversion";
167                 } else {
168                     callback26->physicalCameraDeviceStatusChange(mLogicalCameraId,
169                             mUnavailablePhysicalCameraId,
170                             android::hardware::camera::common::V1_0::CameraDeviceStatus::NOT_PRESENT);
171                 }
172             }
173         }
174         return hardware::Return<Status>(Status::OK);
175     }
176 
177     using getVendorTags_cb = std::function<void(Status status,
178             const hardware::hidl_vec<common::V1_0::VendorTagSection>& sections)>;
getVendorTagsTestICameraProvider179     hardware::Return<void> getVendorTags(getVendorTags_cb _hidl_cb) override {
180         mCalledCounter[GET_VENDOR_TAGS]++;
181         _hidl_cb(Status::OK, mVendorTagSections);
182         return hardware::Void();
183     }
184 
185     using isSetTorchModeSupported_cb = std::function<void(
186             ::android::hardware::camera::common::V1_0::Status status,
187              bool support)>;
isSetTorchModeSupportedTestICameraProvider188     virtual ::hardware::Return<void> isSetTorchModeSupported(
189             isSetTorchModeSupported_cb _hidl_cb) override {
190         mCalledCounter[IS_SET_TORCH_MODE_SUPPORTED]++;
191         _hidl_cb(Status::OK, false);
192         return hardware::Void();
193     }
194 
195     using getCameraIdList_cb = std::function<void(Status status,
196             const hardware::hidl_vec<hardware::hidl_string>& cameraDeviceNames)>;
getCameraIdListTestICameraProvider197     virtual hardware::Return<void> getCameraIdList(getCameraIdList_cb _hidl_cb) override {
198         mCalledCounter[GET_CAMERA_ID_LIST]++;
199         _hidl_cb(Status::OK, mDeviceNames);
200         return hardware::Void();
201     }
202 
203     using getCameraDeviceInterface_V1_x_cb = std::function<void(Status status,
204             const sp<device::V1_0::ICameraDevice>& device)>;
getCameraDeviceInterface_V1_xTestICameraProvider205     virtual hardware::Return<void> getCameraDeviceInterface_V1_x(
206             [[maybe_unused]] const hardware::hidl_string& cameraDeviceName,
207             getCameraDeviceInterface_V1_x_cb _hidl_cb) override {
208         _hidl_cb(Status::OK, nullptr); //TODO: impl. of ver. 1.0 device interface
209                                        //      otherwise enumeration will fail.
210         return hardware::Void();
211     }
212 
213     using getCameraDeviceInterface_V3_x_cb = std::function<void(Status status,
214             const sp<device::V3_2::ICameraDevice>& device)>;
getCameraDeviceInterface_V3_xTestICameraProvider215     virtual hardware::Return<void> getCameraDeviceInterface_V3_x(
216             const hardware::hidl_string&,
217             getCameraDeviceInterface_V3_x_cb _hidl_cb) override {
218         _hidl_cb(Status::OK, mDeviceInterface);
219         return hardware::Void();
220     }
221 
notifyDeviceStateChangeTestICameraProvider222     virtual hardware::Return<void> notifyDeviceStateChange(
223             hardware::hidl_bitfield<DeviceState> newState) override {
224         mCalledCounter[NOTIFY_DEVICE_STATE]++;
225         mCurrentState = newState;
226         return hardware::Void();
227     }
228 
linkToDeathTestICameraProvider229     virtual ::android::hardware::Return<bool> linkToDeath(
230             const ::android::sp<::android::hardware::hidl_death_recipient>& recipient,
231             uint64_t cookie) {
232         if (mInitialDeathRecipient.get() == nullptr) {
233             mInitialDeathRecipient =
234                 std::make_unique<::android::hardware::hidl_binder_death_recipient>(recipient,
235                         cookie, this);
236         }
237         return true;
238     }
239 
signalInitialBinderDeathRecipientTestICameraProvider240     void signalInitialBinderDeathRecipient() {
241         if (mInitialDeathRecipient.get() != nullptr) {
242             mInitialDeathRecipient->binderDied(nullptr /*who*/);
243         }
244     }
245 
246     std::unique_ptr<::android::hardware::hidl_binder_death_recipient> mInitialDeathRecipient;
247 
248     enum MethodNames {
249         SET_CALLBACK,
250         GET_VENDOR_TAGS,
251         IS_SET_TORCH_MODE_SUPPORTED,
252         NOTIFY_DEVICE_STATE,
253         GET_CAMERA_ID_LIST,
254 
255         METHOD_NAME_COUNT
256     };
257     int mCalledCounter[METHOD_NAME_COUNT] {0};
258 
259     hardware::hidl_bitfield<DeviceState> mCurrentState = 0xFFFFFFFF; // Unlikely to be a real state
260 };
261 
262 struct TestAidlCameraDevice : public aidl::android::hardware::camera::device::BnCameraDevice {
getCameraCharacteristicsTestAidlCameraDevice263     ::ndk::ScopedAStatus getCameraCharacteristics(
264             ::aidl::android::hardware::camera::device::CameraMetadata*) override {
265         return ndk::ScopedAStatus::ok();
266     }
getPhysicalCameraCharacteristicsTestAidlCameraDevice267     ::ndk::ScopedAStatus getPhysicalCameraCharacteristics(
268             const std::string&,
269             ::aidl::android::hardware::camera::device::CameraMetadata*) override {
270         return ndk::ScopedAStatus::ok();
271     }
getResourceCostTestAidlCameraDevice272     ::ndk::ScopedAStatus getResourceCost(
273             ::aidl::android::hardware::camera::common::CameraResourceCost* aidl_return) override {
274         auto cost = ::aidl::android::hardware::camera::common::CameraResourceCost();
275         aidl_return->resourceCost = 100;
276         return ndk::ScopedAStatus::ok();
277     }
isStreamCombinationSupportedTestAidlCameraDevice278     ::ndk::ScopedAStatus isStreamCombinationSupported(
279             const ::aidl::android::hardware::camera::device::StreamConfiguration&, bool*) override {
280         return ndk::ScopedAStatus::ok();
281     }
282     ::ndk::ScopedAStatus
openTestAidlCameraDevice283     open(const std::shared_ptr<::aidl::android::hardware::camera::device::ICameraDeviceCallback>&,
284          std::shared_ptr<::aidl::android::hardware::camera::device::ICameraDeviceSession>*)
285             override {
286         return ndk::ScopedAStatus::ok();
287     }
openInjectionSessionTestAidlCameraDevice288     ::ndk::ScopedAStatus openInjectionSession(
289             const std::shared_ptr<
290                     ::aidl::android::hardware::camera::device::ICameraDeviceCallback>&,
291             std::shared_ptr<::aidl::android::hardware::camera::device::ICameraInjectionSession>*)
292             override {
293         return ndk::ScopedAStatus::ok();
294     }
setTorchModeTestAidlCameraDevice295     ::ndk::ScopedAStatus setTorchMode(bool) override { return ndk::ScopedAStatus::ok(); }
turnOnTorchWithStrengthLevelTestAidlCameraDevice296     ::ndk::ScopedAStatus turnOnTorchWithStrengthLevel(int32_t) override {
297         return ndk::ScopedAStatus::ok();
298     }
getTorchStrengthLevelTestAidlCameraDevice299     ::ndk::ScopedAStatus getTorchStrengthLevel(int32_t*) override {
300         return ndk::ScopedAStatus::ok();
301     }
constructDefaultRequestSettingsTestAidlCameraDevice302     ::ndk::ScopedAStatus constructDefaultRequestSettings(
303             ::aidl::android::hardware::camera::device::RequestTemplate,
304             ::aidl::android::hardware::camera::device::CameraMetadata*) override {
305         return ndk::ScopedAStatus::ok();
306     }
isStreamCombinationWithSettingsSupportedTestAidlCameraDevice307     ::ndk::ScopedAStatus isStreamCombinationWithSettingsSupported(
308             const ::aidl::android::hardware::camera::device::StreamConfiguration&,
309             bool*) override {
310         return ndk::ScopedAStatus::ok();
311     }
312 
getSessionCharacteristicsTestAidlCameraDevice313     ::ndk::ScopedAStatus getSessionCharacteristics(
314         const ::aidl::android::hardware::camera::device::StreamConfiguration&,
315         ::aidl::android::hardware::camera::device::CameraMetadata*) override {
316         return ndk::ScopedAStatus::ok();
317     }
318 };
319 
320 /**
321  * Basic test implementation of a AIDL camera provider
322  */
323 class TestAidlICameraProvider : public aidl::android::hardware::camera::provider::BnCameraProvider {
324   public:
325     std::shared_ptr<ICameraProviderCallback> mCallback;
326     std::vector<std::string> mDeviceNames;
327 
TestAidlICameraProvider(const std::vector<std::string> & deviceNames)328     TestAidlICameraProvider(const std::vector<std::string>& deviceNames) {
329         mDeviceNames = deviceNames;
330     }
331 
setCallback(const std::shared_ptr<::aidl::android::hardware::camera::provider::ICameraProviderCallback> & callback)332     ::ndk::ScopedAStatus setCallback(
333             const std::shared_ptr<
334                     ::aidl::android::hardware::camera::provider::ICameraProviderCallback>& callback)
335             override {
336         mCallback = callback;
337         return ndk::ScopedAStatus::ok();
338     }
getVendorTags(std::vector<::aidl::android::hardware::camera::common::VendorTagSection> *)339     ::ndk::ScopedAStatus getVendorTags(
340             std::vector<::aidl::android::hardware::camera::common::VendorTagSection>*) override {
341         return ndk::ScopedAStatus::ok();
342     }
getCameraIdList(std::vector<std::string> * camera_list)343     ::ndk::ScopedAStatus getCameraIdList(std::vector<std::string>* camera_list) override {
344         ALOGW("getCameraIdList");
345         for (size_t i = 0; i < mDeviceNames.size(); i++) {
346             camera_list->push_back(mDeviceNames.at(i));
347         }
348         return ndk::ScopedAStatus::ok();
349     }
getCameraDeviceInterface(const std::string &,std::shared_ptr<::aidl::android::hardware::camera::device::ICameraDevice> * device)350     ::ndk::ScopedAStatus getCameraDeviceInterface(
351             const std::string&,
352             std::shared_ptr<::aidl::android::hardware::camera::device::ICameraDevice>* device)
353             override {
354         *device = ndk::SharedRefBase::make<TestAidlCameraDevice>();
355         return ndk::ScopedAStatus::ok();
356     }
notifyDeviceStateChange(int64_t)357     ::ndk::ScopedAStatus notifyDeviceStateChange(int64_t) override {
358         return ndk::ScopedAStatus::ok();
359     }
getConcurrentCameraIds(std::vector<::aidl::android::hardware::camera::provider::ConcurrentCameraIdCombination> *)360     ::ndk::ScopedAStatus getConcurrentCameraIds(
361             std::vector<
362                     ::aidl::android::hardware::camera::provider::ConcurrentCameraIdCombination>*)
363             override {
364         return ndk::ScopedAStatus::ok();
365     }
isConcurrentStreamCombinationSupported(const std::vector<::aidl::android::hardware::camera::provider::CameraIdAndStreamCombination> &,bool *)366     ::ndk::ScopedAStatus isConcurrentStreamCombinationSupported(
367             const std::vector<
368                     ::aidl::android::hardware::camera::provider::CameraIdAndStreamCombination>&,
369             bool*) override {
370         return ndk::ScopedAStatus::ok();
371     }
372 };
373 
374 /**
375  * Simple test version of HidlServiceInteractionProxy, to use to inject onRegistered calls to the
376  * CameraProviderManager
377  */
378 struct TestHidlInteractionProxy : public CameraProviderManager::HidlServiceInteractionProxy {
379     sp<hidl::manager::V1_0::IServiceNotification> mManagerNotificationInterface;
380     sp<TestICameraProvider> mTestCameraProvider;
381 
TestHidlInteractionProxyTestHidlInteractionProxy382     TestHidlInteractionProxy() {}
383 
setProviderTestHidlInteractionProxy384     void setProvider(sp<TestICameraProvider> provider) {
385         mTestCameraProvider = provider;
386     }
387 
388     std::vector<std::string> mLastRequestedServiceNames;
389 
~TestHidlInteractionProxyTestHidlInteractionProxy390     virtual ~TestHidlInteractionProxy() {}
391 
registerForNotificationsTestHidlInteractionProxy392     virtual bool registerForNotifications(
393             [[maybe_unused]] const std::string &serviceName,
394             const sp<hidl::manager::V1_0::IServiceNotification> &notification) override {
395         mManagerNotificationInterface = notification;
396         return true;
397     }
398 
tryGetServiceTestHidlInteractionProxy399     virtual sp<hardware::camera::provider::V2_4::ICameraProvider> tryGetService(
400             const std::string &serviceName) override {
401         // If no provider has been given, act like the HAL isn't available and return null.
402         if (mTestCameraProvider == nullptr) return nullptr;
403         return getService(serviceName);
404     }
405 
getServiceTestHidlInteractionProxy406     virtual sp<hardware::camera::provider::V2_4::ICameraProvider> getService(
407             const std::string &serviceName) override {
408         // If no provider has been given, fail; in reality, getService would
409         // block for HALs that don't start correctly, so we should never use
410         // getService when we don't have a valid HAL running
411         if (mTestCameraProvider == nullptr) {
412             ADD_FAILURE() << "getService called with no valid provider; would block indefinitely";
413             // Real getService would block, but that's bad in unit tests. So
414             // just record an error and return nullptr
415             return nullptr;
416         }
417         mLastRequestedServiceNames.push_back(serviceName);
418         return mTestCameraProvider;
419     }
420 
listServicesTestHidlInteractionProxy421     virtual hardware::hidl_vec<hardware::hidl_string> listServices() override {
422         // Always provide a list even if there's no actual provider yet, to
423         // simulate stuck HAL situations as well
424         hardware::hidl_vec<hardware::hidl_string> ret = {"test/0"};
425         return ret;
426     }
427 };
428 
429 /**
430  * Simple test version of AidlServiceInteractionProxy, to use to inject onRegistered calls to the
431  * CameraProviderManager
432  */
433 struct TestAidlInteractionProxy : public CameraProviderManager::AidlServiceInteractionProxy {
434     std::shared_ptr<TestAidlICameraProvider> mTestAidlCameraProvider;
435 
TestAidlInteractionProxyTestAidlInteractionProxy436     TestAidlInteractionProxy() {}
437 
setProviderTestAidlInteractionProxy438     void setProvider(std::shared_ptr<TestAidlICameraProvider> provider) {
439         mTestAidlCameraProvider = provider;
440     }
441 
442     std::vector<std::string> mLastRequestedServiceNames;
443 
~TestAidlInteractionProxyTestAidlInteractionProxy444     virtual ~TestAidlInteractionProxy() {}
445 
446     virtual std::shared_ptr<aidl::android::hardware::camera::provider::ICameraProvider>
getServiceTestAidlInteractionProxy447             getService(const std::string& serviceName) override {
448         // If no provider has been given, fail; in reality, getService would
449         // block for HALs that don't start correctly, so we should never use
450         // getService when we don't have a valid HAL running
451         if (mTestAidlCameraProvider == nullptr) {
452             ADD_FAILURE() << __FUNCTION__ << "called with no valid provider;"
453                           << " would block indefinitely";
454             // Real getService would block, but that's bad in unit tests. So
455             // just record an error and return nullptr
456             return nullptr;
457         }
458         mLastRequestedServiceNames.push_back(serviceName);
459         return mTestAidlCameraProvider;
460     }
461 
462     virtual std::shared_ptr<aidl::android::hardware::camera::provider::ICameraProvider>
tryGetServiceTestAidlInteractionProxy463     tryGetService(const std::string&) override {
464         return mTestAidlCameraProvider;
465     }
466 };
467 
468 struct TestStatusListener : public CameraProviderManager::StatusListener {
469     int mPhysicalCameraStatusChangeCount = 0;
470 
~TestStatusListenerTestStatusListener471     ~TestStatusListener() {}
472 
onDeviceStatusChangedTestStatusListener473     void onDeviceStatusChanged(const std::string &,
474             CameraDeviceStatus) override {}
onDeviceStatusChangedTestStatusListener475     void onDeviceStatusChanged(const std::string &, const std::string &,
476             CameraDeviceStatus) override {
477         mPhysicalCameraStatusChangeCount++;
478     }
onTorchStatusChangedTestStatusListener479     void onTorchStatusChanged(const std::string &,
480             TorchModeStatus) override {}
onTorchStatusChangedTestStatusListener481     void onTorchStatusChanged(const std::string &,
482             TorchModeStatus, SystemCameraKind) override {}
onNewProviderRegisteredTestStatusListener483     void onNewProviderRegistered() override {}
484 };
485 
TEST(CameraProviderManagerTest,InitializeDynamicDepthTest)486 TEST(CameraProviderManagerTest, InitializeDynamicDepthTest) {
487     std::vector<hardware::hidl_string> deviceNames;
488     deviceNames.push_back("[email protected]/test/0");
489     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
490     status_t res;
491     sp<CameraProviderManager> providerManager = new CameraProviderManager();
492     sp<TestStatusListener> statusListener = new TestStatusListener();
493     TestHidlInteractionProxy serviceProxy;
494 
495     android::hardware::hidl_vec<uint8_t> chars;
496     CameraMetadata meta;
497     int32_t charKeys[] = { ANDROID_DEPTH_DEPTH_IS_EXCLUSIVE,
498             ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS };
499     meta.update(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS, charKeys,
500             sizeof(charKeys) / sizeof(charKeys[0]));
501     uint8_t depthIsExclusive = ANDROID_DEPTH_DEPTH_IS_EXCLUSIVE_FALSE;
502     meta.update(ANDROID_DEPTH_DEPTH_IS_EXCLUSIVE, &depthIsExclusive, 1);
503     int32_t sizes[] = { HAL_PIXEL_FORMAT_BLOB,
504             640, 480, ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT };
505     meta.update(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS, sizes,
506             sizeof(sizes) / sizeof(sizes[0]));
507     sizes[0] = HAL_PIXEL_FORMAT_Y16;
508     meta.update(ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS, sizes,
509             sizeof(sizes) / sizeof(sizes[0]));
510     int64_t durations[] = { HAL_PIXEL_FORMAT_BLOB, 640, 480, 0 };
511     meta.update(ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS, durations,
512             sizeof(durations) / sizeof(durations[0]));
513     meta.update(ANDROID_SCALER_AVAILABLE_STALL_DURATIONS, durations,
514             sizeof(durations) / sizeof(durations[0]));
515     durations[0]= HAL_PIXEL_FORMAT_Y16;
516     meta.update(ANDROID_DEPTH_AVAILABLE_DEPTH_MIN_FRAME_DURATIONS, durations,
517             sizeof(durations) / sizeof(durations[0]));
518     meta.update(ANDROID_DEPTH_AVAILABLE_DEPTH_STALL_DURATIONS, durations,
519             sizeof(durations) / sizeof(durations[0]));
520     camera_metadata_t* metaBuffer = const_cast<camera_metadata_t*>(meta.getAndLock());
521     chars.setToExternal(reinterpret_cast<uint8_t*>(metaBuffer),
522             get_camera_metadata_size(metaBuffer));
523 
524     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
525             vendorSection, chars);
526     serviceProxy.setProvider(provider);
527 
528     res = providerManager->initialize(statusListener, &serviceProxy);
529     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
530 }
531 
TEST(CameraProviderManagerTest,InitializeTest)532 TEST(CameraProviderManagerTest, InitializeTest) {
533     std::vector<hardware::hidl_string> deviceNames;
534     deviceNames.push_back("[email protected]/test/0");
535     deviceNames.push_back("[email protected]/test/0");
536     deviceNames.push_back("[email protected]/test/1");
537     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
538     status_t res;
539     sp<CameraProviderManager> providerManager = new CameraProviderManager();
540     sp<TestStatusListener> statusListener = new TestStatusListener();
541     TestHidlInteractionProxy serviceProxy;
542     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
543             vendorSection);
544     serviceProxy.setProvider(provider);
545 
546     int numProviders = static_cast<int>(serviceProxy.listServices().size());
547 
548     res = providerManager->initialize(statusListener, &serviceProxy);
549     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
550     // Check that both "legacy" and "external" providers (really the same object) are called
551     // once for all the init methods
552     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::SET_CALLBACK], numProviders) <<
553             "Only one call to setCallback per provider expected during init";
554     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_VENDOR_TAGS], numProviders) <<
555             "Only one call to getVendorTags per provider expected during init";
556     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::IS_SET_TORCH_MODE_SUPPORTED],
557             numProviders) <<
558             "Only one call to isSetTorchModeSupported per provider expected during init";
559     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_CAMERA_ID_LIST], numProviders) <<
560             "Only one call to getCameraIdList per provider expected during init";
561     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::NOTIFY_DEVICE_STATE], numProviders) <<
562             "Only one call to notifyDeviceState per provider expected during init";
563 
564     hardware::hidl_string testProviderFqInterfaceName =
565             "[email protected]::ICameraProvider";
566     hardware::hidl_string testProviderInstanceName = "test/0";
567     serviceProxy.mManagerNotificationInterface->onRegistration(
568             testProviderFqInterfaceName,
569             testProviderInstanceName, false);
570 
571     ASSERT_EQ(serviceProxy.mLastRequestedServiceNames.back(), testProviderInstanceName) <<
572             "Incorrect instance requested from service manager";
573 }
574 
TEST(CameraProviderManagerTest,MultipleVendorTagTest)575 TEST(CameraProviderManagerTest, MultipleVendorTagTest) {
576     hardware::hidl_string sectionName = "VendorTestSection";
577     hardware::hidl_string tagName = "VendorTestTag";
578     uint32_t tagId = VENDOR_SECTION << 16;
579     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
580     CameraMetadataType tagType = CameraMetadataType::BYTE;
581     vendorSection.resize(1);
582     vendorSection[0].sectionName = sectionName;
583     vendorSection[0].tags.resize(1);
584     vendorSection[0].tags[0].tagId = tagId;
585     vendorSection[0].tags[0].tagName = tagName;
586     vendorSection[0].tags[0].tagType = tagType;
587     std::vector<hardware::hidl_string> deviceNames = {"[email protected]/test/0"};
588 
589     sp<CameraProviderManager> providerManager = new CameraProviderManager();
590     sp<TestStatusListener> statusListener = new TestStatusListener();
591     TestHidlInteractionProxy serviceProxy;
592 
593     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
594             vendorSection);
595     serviceProxy.setProvider(provider);
596 
597     auto res = providerManager->initialize(statusListener, &serviceProxy);
598     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
599 
600     hardware::hidl_string testProviderInstanceName = "test/0";
601     hardware::hidl_string testProviderFqInterfaceName =
602             "[email protected]::ICameraProvider";
603     serviceProxy.mManagerNotificationInterface->onRegistration(
604             testProviderFqInterfaceName, testProviderInstanceName, false);
605     ASSERT_EQ(serviceProxy.mLastRequestedServiceNames.back(), testProviderInstanceName) <<
606             "Incorrect instance requested from service manager";
607 
608     hardware::hidl_string sectionNameSecond = "SecondVendorTestSection";
609     hardware::hidl_string secondTagName = "SecondVendorTestTag";
610     CameraMetadataType secondTagType = CameraMetadataType::DOUBLE;
611     vendorSection[0].sectionName = sectionNameSecond;
612     vendorSection[0].tags[0].tagId = tagId;
613     vendorSection[0].tags[0].tagName = secondTagName;
614     vendorSection[0].tags[0].tagType = secondTagType;
615     deviceNames = {"[email protected]/test2/1"};
616 
617     sp<TestICameraProvider> secondProvider =  new TestICameraProvider(
618             deviceNames, vendorSection);
619     serviceProxy.setProvider(secondProvider);
620     hardware::hidl_string testProviderSecondInstanceName = "test2/0";
621     serviceProxy.mManagerNotificationInterface->onRegistration(
622             testProviderFqInterfaceName, testProviderSecondInstanceName, false);
623     ASSERT_EQ(serviceProxy.mLastRequestedServiceNames.back(),
624               testProviderSecondInstanceName) <<
625             "Incorrect instance requested from service manager";
626 
627     ASSERT_EQ(NO_ERROR , providerManager->setUpVendorTags());
628     sp<VendorTagDescriptorCache> vendorCache =
629             VendorTagDescriptorCache::getGlobalVendorTagCache();
630     ASSERT_NE(nullptr, vendorCache.get());
631 
632     metadata_vendor_id_t vendorId = std::hash<std::string> {} (
633             testProviderInstanceName.c_str());
634     metadata_vendor_id_t vendorIdSecond = std::hash<std::string> {} (
635             testProviderSecondInstanceName.c_str());
636 
637     hardware::hidl_string resultTag = vendorCache->getTagName(tagId, vendorId);
638     ASSERT_EQ(resultTag, tagName);
639 
640     resultTag = vendorCache->getTagName(tagId, vendorIdSecond);
641     ASSERT_EQ(resultTag, secondTagName);
642 
643     // Check whether we can create two separate CameraMetadata instances
644     // using different tag vendor vendors.
645     camera_metadata *metaBuffer = allocate_camera_metadata(10, 20);
646     ASSERT_NE(nullptr, metaBuffer);
647     set_camera_metadata_vendor_id(metaBuffer, vendorId);
648     CameraMetadata metadata(metaBuffer);
649 
650     uint8_t byteVal = 10;
651     ASSERT_TRUE(metadata.isEmpty());
652     ASSERT_EQ(OK, metadata.update(tagId, &byteVal, 1));
653     ASSERT_FALSE(metadata.isEmpty());
654     ASSERT_TRUE(metadata.exists(tagId));
655 
656     metaBuffer = allocate_camera_metadata(10, 20);
657     ASSERT_NE(nullptr, metaBuffer);
658     set_camera_metadata_vendor_id(metaBuffer, vendorIdSecond);
659     CameraMetadata secondMetadata(metaBuffer);
660 
661     ASSERT_TRUE(secondMetadata.isEmpty());
662     double doubleVal = 1.0f;
663     ASSERT_EQ(OK, secondMetadata.update(tagId, &doubleVal, 1));
664     ASSERT_FALSE(secondMetadata.isEmpty());
665     ASSERT_TRUE(secondMetadata.exists(tagId));
666 
667     // Check whether CameraMetadata copying works as expected
668     CameraMetadata metadataCopy(metadata);
669     ASSERT_FALSE(metadataCopy.isEmpty());
670     ASSERT_TRUE(metadataCopy.exists(tagId));
671     ASSERT_EQ(OK, metadataCopy.update(tagId, &byteVal, 1));
672     ASSERT_TRUE(metadataCopy.exists(tagId));
673 
674     // Check whether values are as expected
675     camera_metadata_entry_t entry = metadata.find(tagId);
676     ASSERT_EQ(1u, entry.count);
677     ASSERT_EQ(byteVal, entry.data.u8[0]);
678     entry = secondMetadata.find(tagId);
679     ASSERT_EQ(1u, entry.count);
680     ASSERT_EQ(doubleVal, entry.data.d[0]);
681 
682     // Swap and erase
683     secondMetadata.swap(metadataCopy);
684     ASSERT_TRUE(metadataCopy.exists(tagId));
685     ASSERT_TRUE(secondMetadata.exists(tagId));
686     ASSERT_EQ(OK, secondMetadata.erase(tagId));
687     ASSERT_TRUE(secondMetadata.isEmpty());
688     doubleVal = 0.0f;
689     ASSERT_EQ(OK, metadataCopy.update(tagId, &doubleVal, 1));
690     entry = metadataCopy.find(tagId);
691     ASSERT_EQ(1u, entry.count);
692     ASSERT_EQ(doubleVal, entry.data.d[0]);
693 
694     // Append
695     uint8_t sceneMode = ANDROID_CONTROL_SCENE_MODE_ACTION;
696     secondMetadata.update(ANDROID_CONTROL_SCENE_MODE, &sceneMode, 1);
697     // Append from two different vendor tag providers is not supported!
698     ASSERT_NE(OK, metadataCopy.append(secondMetadata));
699     ASSERT_EQ(OK, metadataCopy.erase(tagId));
700     metadataCopy.update(ANDROID_CONTROL_SCENE_MODE, &sceneMode, 1);
701     // However appending from same vendor tag provider should be fine
702     ASSERT_EQ(OK, metadata.append(secondMetadata));
703     // Append from a metadata without vendor tag provider should be supported
704     CameraMetadata regularMetadata(10, 20);
705     uint8_t controlMode = ANDROID_CONTROL_MODE_AUTO;
706     regularMetadata.update(ANDROID_CONTROL_MODE, &controlMode, 1);
707     ASSERT_EQ(OK, secondMetadata.append(regularMetadata));
708     ASSERT_EQ(2u, secondMetadata.entryCount());
709     ASSERT_EQ(2u, metadata.entryCount());
710 
711     // Dump
712     metadata.dump(1, 2);
713     metadataCopy.dump(1, 2);
714     secondMetadata.dump(1, 2);
715 }
716 
TEST(CameraProviderManagerTest,NotifyStateChangeTest)717 TEST(CameraProviderManagerTest, NotifyStateChangeTest) {
718     std::vector<hardware::hidl_string> deviceNames {
719         "[email protected]/test/0",
720         "[email protected]/test/0",
721         "[email protected]/test/1"};
722 
723     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
724     status_t res;
725     sp<CameraProviderManager> providerManager = new CameraProviderManager();
726     sp<TestStatusListener> statusListener = new TestStatusListener();
727     TestHidlInteractionProxy serviceProxy;
728     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
729             vendorSection);
730     serviceProxy.setProvider(provider);
731 
732     res = providerManager->initialize(statusListener, &serviceProxy);
733     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
734 
735     ASSERT_EQ(provider->mCurrentState,
736             static_cast<hardware::hidl_bitfield<DeviceState>>(DeviceState::NORMAL))
737             << "Initial device state not set";
738 
739     res = providerManager->notifyDeviceStateChange(
740         static_cast<hardware::hidl_bitfield<DeviceState>>(DeviceState::FOLDED));
741 
742     ASSERT_EQ(res, OK) << "Unable to call notifyDeviceStateChange";
743     ASSERT_EQ(provider->mCurrentState,
744             static_cast<hardware::hidl_bitfield<DeviceState>>(DeviceState::FOLDED))
745             << "Unable to change device state";
746 
747 }
748 
749 // Test that CameraProviderManager doesn't get stuck when the camera HAL isn't really working
TEST(CameraProviderManagerTest,BadHalStartupTest)750 TEST(CameraProviderManagerTest, BadHalStartupTest) {
751 
752     std::vector<hardware::hidl_string> deviceNames;
753     deviceNames.push_back("[email protected]/test/0");
754     deviceNames.push_back("[email protected]/test/0");
755     deviceNames.push_back("[email protected]/test/1");
756     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
757     status_t res;
758 
759     sp<CameraProviderManager> providerManager = new CameraProviderManager();
760     sp<TestStatusListener> statusListener = new TestStatusListener();
761     TestHidlInteractionProxy serviceProxy;
762     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
763             vendorSection);
764 
765     // Not setting up provider in the service proxy yet, to test cases where a
766     // HAL isn't starting right
767     res = providerManager->initialize(statusListener, &serviceProxy);
768     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
769 
770     // Now set up provider and trigger a registration
771     serviceProxy.setProvider(provider);
772     int numProviders = static_cast<int>(serviceProxy.listServices().size());
773 
774     hardware::hidl_string testProviderFqInterfaceName =
775             "[email protected]::ICameraProvider";
776     hardware::hidl_string testProviderInstanceName = "test/0";
777     serviceProxy.mManagerNotificationInterface->onRegistration(
778             testProviderFqInterfaceName,
779             testProviderInstanceName, false);
780 
781     // Check that new provider is called once for all the init methods
782     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::SET_CALLBACK], numProviders) <<
783             "Only one call to setCallback per provider expected during register";
784     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_VENDOR_TAGS], numProviders) <<
785             "Only one call to getVendorTags per provider expected during register";
786     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::IS_SET_TORCH_MODE_SUPPORTED],
787             numProviders) <<
788             "Only one call to isSetTorchModeSupported per provider expected during init";
789     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_CAMERA_ID_LIST], numProviders) <<
790             "Only one call to getCameraIdList per provider expected during init";
791     EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::NOTIFY_DEVICE_STATE], numProviders) <<
792             "Only one call to notifyDeviceState per provider expected during init";
793 
794     ASSERT_EQ(serviceProxy.mLastRequestedServiceNames.back(), testProviderInstanceName) <<
795             "Incorrect instance requested from service manager";
796 }
797 
798 // Test that CameraProviderManager can handle races between provider death notifications and
799 // provider registration callbacks
TEST(CameraProviderManagerTest,BinderDeathRegistrationRaceTest)800 TEST(CameraProviderManagerTest, BinderDeathRegistrationRaceTest) {
801 
802     std::vector<hardware::hidl_string> deviceNames;
803     deviceNames.push_back("[email protected]/test/0");
804     deviceNames.push_back("[email protected]/test/1");
805     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
806     status_t res;
807 
808     sp<CameraProviderManager> providerManager = new CameraProviderManager();
809     sp<TestStatusListener> statusListener = new TestStatusListener();
810     TestHidlInteractionProxy serviceProxy;
811     sp<TestICameraProvider> provider =  new TestICameraProvider(deviceNames,
812             vendorSection);
813 
814     // Not setting up provider in the service proxy yet, to test cases where a
815     // HAL isn't starting right
816     res = providerManager->initialize(statusListener, &serviceProxy);
817     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
818 
819     // Now set up provider and trigger a registration
820     serviceProxy.setProvider(provider);
821 
822     hardware::hidl_string testProviderFqInterfaceName =
823             "[email protected]::ICameraProvider";
824     hardware::hidl_string testProviderInstanceName = "test/0";
825     serviceProxy.mManagerNotificationInterface->onRegistration(
826             testProviderFqInterfaceName,
827             testProviderInstanceName, false);
828 
829     // Simulate artificial delay of the registration callback which arrives before the
830     // death notification
831     serviceProxy.mManagerNotificationInterface->onRegistration(
832             testProviderFqInterfaceName,
833             testProviderInstanceName, false);
834 
835     provider->signalInitialBinderDeathRecipient();
836 
837     auto deviceCount = static_cast<unsigned> (providerManager->getCameraCount().second);
838     ASSERT_EQ(deviceCount, deviceNames.size()) <<
839             "Unexpected amount of camera devices";
840 }
841 
842 // Test that CameraProviderManager does not trigger
843 // onDeviceStatusChanged(NOT_PRESENT) for physical camera before initialize()
844 // returns.
TEST(CameraProviderManagerTest,PhysicalCameraAvailabilityCallbackRaceTest)845 TEST(CameraProviderManagerTest, PhysicalCameraAvailabilityCallbackRaceTest) {
846     std::vector<hardware::hidl_string> deviceNames;
847     deviceNames.push_back("[email protected]/test/0");
848     hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
849 
850     sp<CameraProviderManager> providerManager = new CameraProviderManager();
851     sp<TestStatusListener> statusListener = new TestStatusListener();
852     TestHidlInteractionProxy serviceProxy;
853 
854     android::hardware::hidl_vec<uint8_t> chars;
855     CameraMetadata meta;
856     int32_t charKeys[] = { ANDROID_REQUEST_AVAILABLE_CAPABILITIES };
857     meta.update(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS, charKeys,
858             sizeof(charKeys) / sizeof(charKeys[0]));
859     uint8_t capabilities[] = { ANDROID_REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA };
860     meta.update(ANDROID_REQUEST_AVAILABLE_CAPABILITIES, capabilities,
861             sizeof(capabilities)/sizeof(capabilities[0]));
862     uint8_t physicalCameraIds[] = { '2', '\0', '3', '\0' };
863     meta.update(ANDROID_LOGICAL_MULTI_CAMERA_PHYSICAL_IDS, physicalCameraIds,
864             sizeof(physicalCameraIds)/sizeof(physicalCameraIds[0]));
865     camera_metadata_t* metaBuffer = const_cast<camera_metadata_t*>(meta.getAndLock());
866     chars.setToExternal(reinterpret_cast<uint8_t*>(metaBuffer),
867             get_camera_metadata_size(metaBuffer));
868 
869     sp<TestICameraProvider> provider = new TestICameraProvider(deviceNames,
870             vendorSection, chars, "[email protected]/test/0", "2");
871     serviceProxy.setProvider(provider);
872 
873     status_t res = providerManager->initialize(statusListener, &serviceProxy);
874     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
875 
876     ASSERT_EQ(statusListener->mPhysicalCameraStatusChangeCount, 0)
877             << "Unexpected physical camera status change callback upon provider init.";
878 
879     std::unordered_map<std::string, std::set<std::string>> unavailablePhysicalIds;
880     auto cameraIds = providerManager->getCameraDeviceIds(&unavailablePhysicalIds);
881     ASSERT_TRUE(unavailablePhysicalIds.count("0") > 0 && unavailablePhysicalIds["0"].count("2") > 0)
882         << "Unavailable physical camera Ids not set properly.";
883 }
TEST_WITH_FLAGS(CameraProviderManagerTest,AidlVirtualCameraProviderDiscovered,REQUIRES_FLAGS_ENABLED (ACONFIG_FLAG (vd_flags,virtual_camera_service_discovery)))884 TEST_WITH_FLAGS(CameraProviderManagerTest, AidlVirtualCameraProviderDiscovered,
885                 REQUIRES_FLAGS_ENABLED(ACONFIG_FLAG(vd_flags, virtual_camera_service_discovery))) {
886     sp<CameraProviderManager> providerManager = new CameraProviderManager();
887     sp<TestStatusListener> statusListener = new TestStatusListener();
888     TestAidlInteractionProxy aidlServiceProxy;
889     TestHidlInteractionProxy hidlServiceProxy;
890 
891     status_t res = providerManager->initialize(statusListener,
892                                                &hidlServiceProxy, &aidlServiceProxy);
893     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
894 
895     std::vector<std::string> cameraList = {"[email protected]/virtual/123"};
896 
897     std::shared_ptr<TestAidlICameraProvider> aidlProvider =
898             ndk::SharedRefBase::make<TestAidlICameraProvider>(cameraList);
899     ndk::SpAIBinder spBinder = aidlProvider->asBinder();
900     AIBinder* aiBinder = spBinder.get();
901     aidlServiceProxy.setProvider(aidlProvider);
902     providerManager->onServiceRegistration(
903             String16("android.hardware.camera.provider.ICameraProvider/virtual/0"),
904             AIBinder_toPlatformBinder(aiBinder));
905 
906     std::unordered_map<std::string, std::set<std::string>> unavailableDeviceIds;
907     auto cameraIds = providerManager->getCameraDeviceIds(&unavailableDeviceIds);
908 
909     EXPECT_THAT(cameraIds, ElementsAre("123"));
910 }
911 
TEST_WITH_FLAGS(CameraProviderManagerTest,AidlVirtualCameraProviderDiscoveredOnInit,REQUIRES_FLAGS_ENABLED (ACONFIG_FLAG (vd_flags,virtual_camera_service_discovery)))912 TEST_WITH_FLAGS(CameraProviderManagerTest, AidlVirtualCameraProviderDiscoveredOnInit,
913                 REQUIRES_FLAGS_ENABLED(ACONFIG_FLAG(vd_flags, virtual_camera_service_discovery))) {
914     sp<CameraProviderManager> providerManager = new CameraProviderManager();
915     sp<TestStatusListener> statusListener = new TestStatusListener();
916     TestAidlInteractionProxy aidlServiceProxy;
917     TestHidlInteractionProxy hidlServiceProxy;
918 
919     std::vector<std::string> cameraList = {"[email protected]/virtual/123"};
920 
921     std::shared_ptr<TestAidlICameraProvider> aidlProvider =
922             ndk::SharedRefBase::make<TestAidlICameraProvider>(cameraList);
923     aidlServiceProxy.setProvider(aidlProvider);
924 
925     status_t res = providerManager->initialize(statusListener,
926                                                &hidlServiceProxy, &aidlServiceProxy);
927     ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
928 
929     std::unordered_map<std::string, std::set<std::string>> unavailableDeviceIds;
930     std::vector<std::string> cameraIds = providerManager->getCameraDeviceIds(&unavailableDeviceIds);
931 
932     EXPECT_THAT(cameraIds, ElementsAre("123"));
933 }
934