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      1 /*
      2  * Copyright (C) 2012 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 #include <gtest/gtest.h>
     18 
     19 #define LOG_TAG "CameraModuleTest"
     20 #define LOG_NDEBUG 0
     21 #include <utils/Log.h>
     22 
     23 #include "hardware/hardware.h"
     24 #include "hardware/camera2.h"
     25 
     26 #include "CameraDeviceBase.h"
     27 #include "utils/StrongPointer.h"
     28 #include "CameraModuleFixture.h"
     29 
     30 namespace android {
     31 namespace camera2 {
     32 namespace tests {
     33 
     34 class CameraModuleTest : public ::testing::Test,
     35                                   public CameraModuleFixture<> {
     36 
     37 public:
     38     CameraModuleTest() {
     39         CameraModuleFixture::SetUp();
     40     }
     41 
     42     ~CameraModuleTest() {
     43         CameraModuleFixture::TearDown();
     44     }
     45 
     46     status_t initializeDevice(int cameraId) {
     47 
     48         // ignore HAL1s. count as test pass
     49         status_t stat;
     50         if (isDeviceVersionHal2(cameraId, &stat) && stat == OK) {
     51             stat = mDevice->initialize(mModule);
     52         }
     53 
     54         return stat;
     55     }
     56 
     57     bool isDeviceVersionHal2(int cameraId, status_t* status) {
     58         return getDeviceVersion(cameraId, status)
     59                >= CAMERA_DEVICE_API_VERSION_2_0;
     60     }
     61 };
     62 
     63 TEST_F(CameraModuleTest, LoadModule) {
     64 
     65     TEST_EXTENSION_FORKING_INIT;
     66 
     67     for (int i = 0; i < mNumberOfCameras; ++i) {
     68         CreateCamera(i, &mDevice);
     69         ASSERT_EQ(OK, initializeDevice(i))
     70             << "Failed to initialize device " << i;
     71         mDevice.clear();
     72     }
     73 
     74 }
     75 
     76 TEST_F(CameraModuleTest, LoadModuleBadIndices) {
     77 
     78     TEST_EXTENSION_FORKING_INIT;
     79 
     80     int idx[] = { -1, mNumberOfCameras, mNumberOfCameras + 1 };
     81 
     82     for (unsigned i = 0; i < sizeof(idx)/sizeof(idx[0]); ++i) {
     83         // Since the initialization should fail at device open(), it doesn't
     84         // matter which version of CameraNDevice is used here
     85         mDevice = new Camera2Device(idx[i]);
     86         status_t deviceInitializeCode = initializeDevice(idx[i]);
     87         EXPECT_NE(OK, deviceInitializeCode);
     88         EXPECT_EQ(-ENODEV, deviceInitializeCode)
     89             << "Incorrect error code when trying to initialize invalid index "
     90             << idx[i];
     91         mDevice.clear();
     92     }
     93 }
     94 
     95 TEST_F(CameraModuleTest, GetCameraInfo) {
     96 
     97     TEST_EXTENSION_FORKING_INIT;
     98 
     99     for (int i = 0; i < mNumberOfCameras; ++i) {
    100         struct camera_info info;
    101         ASSERT_EQ(OK, mModule->get_camera_info(i, &info));
    102     }
    103 
    104 }
    105 
    106 TEST_F(CameraModuleTest, GetCameraInfoBadIndices) {
    107 
    108     TEST_EXTENSION_FORKING_INIT;
    109 
    110     int idx[] = { -1, mNumberOfCameras, mNumberOfCameras + 1 };
    111     for (unsigned i = 0; i < sizeof(idx)/sizeof(idx[0]); ++i) {
    112         struct camera_info info;
    113         EXPECT_NE(OK, mModule->get_camera_info(idx[i], &info));
    114         EXPECT_EQ(-ENODEV, mModule->get_camera_info(idx[i], &info))
    115             << "Incorrect error code for get_camera_info idx= "
    116             << idx[i];
    117     }
    118 }
    119 
    120 /**
    121  * TODO: Additional test to add: open two cameras at once.
    122  *       (is allowed to fail, at least for now, but should not blow up)
    123  *     - open same device multiple times
    124  *     - close same device multiple times
    125  */
    126 
    127 
    128 
    129 
    130 }
    131 }
    132 }
    133