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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_NDEBUG 0
#define LOG_TAG "CameraCharacteristicsPermission"
#include <gtest/gtest.h>
#include <binder/ProcessState.h>
#include <utils/Errors.h>
#include <utils/Log.h>
#include <camera/CameraMetadata.h>
#include <camera/Camera.h>
#include <android/hardware/ICameraService.h>
using namespace android;
using namespace android::hardware;
class CameraCharacteristicsPermission : public ::testing::Test {
protected:
CameraCharacteristicsPermission() : numCameras(0){}
//Gtest interface
void SetUp() override;
void TearDown() override;
int32_t numCameras;
sp<ICameraService> mCameraService;
};
void CameraCharacteristicsPermission::SetUp() {
::android::binder::Status rc;
ProcessState::self()->startThreadPool();
sp<IServiceManager> sm = defaultServiceManager();
sp<IBinder> binder = sm->getService(String16("media.camera"));
mCameraService = interface_cast<ICameraService>(binder);
rc = mCameraService->getNumberOfCameras(
hardware::ICameraService::CAMERA_TYPE_ALL, &numCameras);
EXPECT_TRUE(rc.isOk());
}
void CameraCharacteristicsPermission::TearDown() {
mCameraService.clear();
}
// Revoking and acquiring permissions automatically might not be possible.
// Test the functionality for removal of camera characteristics needing
// a camera permission.
TEST_F(CameraCharacteristicsPermission, TestCameraPermission) {
for (int32_t cameraId = 0; cameraId < numCameras; cameraId++) {
String16 cameraIdStr = String16(String8::format("%d", cameraId));
bool isSupported = false;
auto rc = mCameraService->supportsCameraApi(cameraIdStr,
hardware::ICameraService::API_VERSION_2, &isSupported);
EXPECT_TRUE(rc.isOk());
if (!isSupported) {
continue;
}
CameraMetadata metadata;
std::vector<int32_t> tagsNeedingPermission;
rc = mCameraService->getCameraCharacteristics(cameraIdStr,
/*targetSdkVersion*/__ANDROID_API_FUTURE__, &metadata);
ASSERT_TRUE(rc.isOk());
EXPECT_FALSE(metadata.isEmpty());
EXPECT_EQ(metadata.removePermissionEntries(CAMERA_METADATA_INVALID_VENDOR_ID,
&tagsNeedingPermission), NO_ERROR);
camera_metadata_entry_t availableCharacteristics =
metadata.find(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS);
EXPECT_TRUE(0 < availableCharacteristics.count);
std::vector<uint32_t> availableKeys;
availableKeys.reserve(availableCharacteristics.count);
availableKeys.insert(availableKeys.begin(), availableCharacteristics.data.i32,
availableCharacteristics.data.i32 + availableCharacteristics.count);
for (const auto &key : tagsNeedingPermission) {
ASSERT_FALSE(metadata.exists(key));
auto it = std::find(availableKeys.begin(), availableKeys.end(), key);
ASSERT_TRUE(it == availableKeys.end());
}
}
}