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::DoAll;
25 using testing::Return;
26 using testing::SetArgPointee;
27 using testing::Test;
28 using testing::_;
29
30 namespace v4l2_camera_hal {
31
32 class V4L2ControlDelegateTest : public Test {
33 protected:
SetUp()34 virtual void SetUp() {
35 mock_device_.reset(new V4L2WrapperMock());
36 mock_converter_.reset(new ConverterInterfaceMock<uint8_t, int32_t>());
37 dut_.reset(new V4L2ControlDelegate<uint8_t>(
38 mock_device_, control_id_, mock_converter_));
39 }
40
41 std::unique_ptr<V4L2ControlDelegate<uint8_t>> dut_;
42 std::shared_ptr<V4L2WrapperMock> mock_device_;
43 std::shared_ptr<ConverterInterfaceMock<uint8_t, int32_t>> mock_converter_;
44 const int control_id_ = 123;
45 };
46
TEST_F(V4L2ControlDelegateTest,GetSuccess)47 TEST_F(V4L2ControlDelegateTest, GetSuccess) {
48 int32_t device_result = 99;
49 uint8_t conversion_result = 10;
50 EXPECT_CALL(*mock_device_, GetControl(control_id_, _))
51 .WillOnce(DoAll(SetArgPointee<1>(device_result), Return(0)));
52 EXPECT_CALL(*mock_converter_, V4L2ToMetadata(device_result, _))
53 .WillOnce(DoAll(SetArgPointee<1>(conversion_result), Return(0)));
54
55 uint8_t actual = conversion_result + 1; // Something incorrect.
56 ASSERT_EQ(dut_->GetValue(&actual), 0);
57 EXPECT_EQ(actual, conversion_result);
58 }
59
TEST_F(V4L2ControlDelegateTest,GetConverterFailure)60 TEST_F(V4L2ControlDelegateTest, GetConverterFailure) {
61 int32_t device_result = 99;
62 EXPECT_CALL(*mock_device_, GetControl(control_id_, _))
63 .WillOnce(DoAll(SetArgPointee<1>(device_result), Return(0)));
64 int err = -99;
65 EXPECT_CALL(*mock_converter_, V4L2ToMetadata(device_result, _))
66 .WillOnce(Return(err));
67
68 uint8_t unused = 1;
69 ASSERT_EQ(dut_->GetValue(&unused), err);
70 }
71
TEST_F(V4L2ControlDelegateTest,GetDeviceFailure)72 TEST_F(V4L2ControlDelegateTest, GetDeviceFailure) {
73 int err = -99;
74 EXPECT_CALL(*mock_device_, GetControl(control_id_, _)).WillOnce(Return(err));
75
76 uint8_t unused = 1;
77 ASSERT_EQ(dut_->GetValue(&unused), err);
78 }
79
TEST_F(V4L2ControlDelegateTest,SetSuccess)80 TEST_F(V4L2ControlDelegateTest, SetSuccess) {
81 uint8_t input = 10;
82 int32_t conversion_result = 99;
83 EXPECT_CALL(*mock_converter_, MetadataToV4L2(input, _))
84 .WillOnce(DoAll(SetArgPointee<1>(conversion_result), Return(0)));
85 EXPECT_CALL(*mock_device_, SetControl(control_id_, conversion_result, _))
86 .WillOnce(Return(0));
87
88 ASSERT_EQ(dut_->SetValue(input), 0);
89 }
90
TEST_F(V4L2ControlDelegateTest,SetConverterFailure)91 TEST_F(V4L2ControlDelegateTest, SetConverterFailure) {
92 uint8_t input = 10;
93 int err = 12;
94 EXPECT_CALL(*mock_converter_, MetadataToV4L2(input, _)).WillOnce(Return(err));
95 ASSERT_EQ(dut_->SetValue(input), err);
96 }
97
TEST_F(V4L2ControlDelegateTest,SetDeviceFailure)98 TEST_F(V4L2ControlDelegateTest, SetDeviceFailure) {
99 uint8_t input = 10;
100 int32_t conversion_result = 99;
101 EXPECT_CALL(*mock_converter_, MetadataToV4L2(input, _))
102 .WillOnce(DoAll(SetArgPointee<1>(conversion_result), Return(0)));
103 int err = 66;
104 EXPECT_CALL(*mock_device_, SetControl(control_id_, conversion_result, _))
105 .WillOnce(Return(err));
106
107 ASSERT_EQ(dut_->SetValue(input), err);
108 }
109
110 } // namespace v4l2_camera_hal
111