CameraModuleTests.cpp revision 48bb03fad356184c52607dfbae065511785e5eb4 
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#include <utils/StrongPointer.h>
23#include <common/CameraDeviceBase.h>
24
25#include "hardware/hardware.h"
26#include "hardware/camera2.h"
27
28#include "CameraModuleFixture.h"
29
30namespace android {
31namespace camera2 {
32namespace tests {
33
34class CameraModuleTest : public ::testing::Test,
35                                  public CameraModuleFixture<> {
36
37public:
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
63TEST_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
76TEST_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
95TEST_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
106TEST_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