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