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 #include "v4l2_control_delegate.h"
18
19 #include <gmock/gmock.h>
20 #include <gtest/gtest.h>
21 #include "converter_interface_mock.h"
22 #include "v4l2_wrapper_mock.h"
23
24 using testing::Return;
25 using testing::SetArgPointee;
26 using testing::Test;
27 using testing::_;
28
29 namespace v4l2_camera_hal {
30
31 class V4L2ControlDelegateTest : public Test {
32 protected:
SetUp()33 virtual void SetUp() {
34 mock_device_.reset(new V4L2WrapperMock());
35 mock_converter_.reset(new ConverterInterfaceMock<uint8_t, int32_t>());
36 dut_.reset(new V4L2ControlDelegate<uint8_t>(
37 mock_device_, control_id_, mock_converter_));
38 }
39
40 std::unique_ptr<V4L2ControlDelegate<uint8_t>> dut_;
41 std::shared_ptr<V4L2WrapperMock> mock_device_;
42 std::shared_ptr<ConverterInterfaceMock<uint8_t, int32_t>> mock_converter_;
43 const int control_id_ = 123;
44 };
45
TEST_F(V4L2ControlDelegateTest,GetSuccess)46 TEST_F(V4L2ControlDelegateTest, GetSuccess) {
47 int32_t device_result = 99;
48 uint8_t conversion_result = 10;
49 EXPECT_CALL(*mock_device_, GetControl(control_id_, _))
50 .WillOnce(DoAll(SetArgPointee<1>(device_result), Return(0)));
51 EXPECT_CALL(*mock_converter_, V4L2ToMetadata(device_result, _))
52 .WillOnce(DoAll(SetArgPointee<1>(conversion_result), Return(0)));
53
54 uint8_t actual = conversion_result + 1; // Something incorrect.
55 ASSERT_EQ(dut_->GetValue(&actual), 0);
56 EXPECT_EQ(actual, conversion_result);
57 }
58
TEST_F(V4L2ControlDelegateTest,GetConverterFailure)59 TEST_F(V4L2ControlDelegateTest, GetConverterFailure) {
60 int32_t device_result = 99;
61 EXPECT_CALL(*mock_device_, GetControl(control_id_, _))
62 .WillOnce(DoAll(SetArgPointee<1>(device_result), Return(0)));
63 int err = -99;
64 EXPECT_CALL(*mock_converter_, V4L2ToMetadata(device_result, _))
65 .WillOnce(Return(err));
66
67 uint8_t unused = 1;
68 ASSERT_EQ(dut_->GetValue(&unused), err);
69 }
70
TEST_F(V4L2ControlDelegateTest,GetDeviceFailure)71 TEST_F(V4L2ControlDelegateTest, GetDeviceFailure) {
72 int err = -99;
73 EXPECT_CALL(*mock_device_, GetControl(control_id_, _)).WillOnce(Return(err));
74
75 uint8_t unused = 1;
76 ASSERT_EQ(dut_->GetValue(&unused), err);
77 }
78
TEST_F(V4L2ControlDelegateTest,SetSuccess)79 TEST_F(V4L2ControlDelegateTest, SetSuccess) {
80 uint8_t input = 10;
81 int32_t conversion_result = 99;
82 EXPECT_CALL(*mock_converter_, MetadataToV4L2(input, _))
83 .WillOnce(DoAll(SetArgPointee<1>(conversion_result), Return(0)));
84 EXPECT_CALL(*mock_device_, SetControl(control_id_, conversion_result, _))
85 .WillOnce(Return(0));
86
87 ASSERT_EQ(dut_->SetValue(input), 0);
88 }
89
TEST_F(V4L2ControlDelegateTest,SetConverterFailure)90 TEST_F(V4L2ControlDelegateTest, SetConverterFailure) {
91 uint8_t input = 10;
92 int err = 12;
93 EXPECT_CALL(*mock_converter_, MetadataToV4L2(input, _)).WillOnce(Return(err));
94 ASSERT_EQ(dut_->SetValue(input), err);
95 }
96
TEST_F(V4L2ControlDelegateTest,SetDeviceFailure)97 TEST_F(V4L2ControlDelegateTest, SetDeviceFailure) {
98 uint8_t input = 10;
99 int32_t conversion_result = 99;
100 EXPECT_CALL(*mock_converter_, MetadataToV4L2(input, _))
101 .WillOnce(DoAll(SetArgPointee<1>(conversion_result), Return(0)));
102 int err = 66;
103 EXPECT_CALL(*mock_device_, SetControl(control_id_, conversion_result, _))
104 .WillOnce(Return(err));
105
106 ASSERT_EQ(dut_->SetValue(input), err);
107 }
108
109 } // namespace v4l2_camera_hal
110