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 "state.h"
18
19 #include <camera/CameraMetadata.h>
20 #include <gmock/gmock.h>
21 #include <gtest/gtest.h>
22
23 #include "metadata_common.h"
24 #include "state_delegate_interface_mock.h"
25 #include "test_common.h"
26
27 using testing::AtMost;
28 using testing::Expectation;
29 using testing::Return;
30 using testing::SetArgPointee;
31 using testing::Test;
32 using testing::_;
33
34 namespace v4l2_camera_hal {
35
36 class StateTest : public Test {
37 protected:
SetUp()38 virtual void SetUp() {
39 mock_delegate_.reset(new StateDelegateInterfaceMock<uint8_t>());
40 // Nullify state so an error will be thrown if a test doesn't call
41 // PrepareState.
42 state_.reset();
43 }
44
PrepareState()45 virtual void PrepareState() {
46 // Use this method after all the EXPECT_CALLs to pass ownership of the mocks
47 // to the device.
48 state_.reset(new State<uint8_t>(tag_, std::move(mock_delegate_)));
49 }
50
51 std::unique_ptr<State<uint8_t>> state_;
52 std::unique_ptr<StateDelegateInterfaceMock<uint8_t>> mock_delegate_;
53
54 // Need tag that matches the data type (uint8_t) being passed.
55 const int32_t tag_ = ANDROID_CONTROL_AF_STATE;
56 };
57
TEST_F(StateTest,Tags)58 TEST_F(StateTest, Tags) {
59 PrepareState();
60 EXPECT_TRUE(state_->StaticTags().empty());
61 EXPECT_TRUE(state_->ControlTags().empty());
62 ASSERT_EQ(state_->DynamicTags().size(), 1u);
63 EXPECT_EQ(state_->DynamicTags()[0], tag_);
64 }
65
TEST_F(StateTest,PopulateStatic)66 TEST_F(StateTest, PopulateStatic) {
67 PrepareState();
68 android::CameraMetadata metadata;
69 ASSERT_EQ(state_->PopulateStaticFields(&metadata), 0);
70 EXPECT_TRUE(metadata.isEmpty());
71 }
72
TEST_F(StateTest,PopulateDynamic)73 TEST_F(StateTest, PopulateDynamic) {
74 uint8_t expected = 99;
75 EXPECT_CALL(*mock_delegate_, GetValue(_))
76 .WillOnce(DoAll(SetArgPointee<0>(expected), Return(0)));
77
78 PrepareState();
79
80 android::CameraMetadata metadata;
81 ASSERT_EQ(state_->PopulateDynamicFields(&metadata), 0);
82 EXPECT_EQ(metadata.entryCount(), 1u);
83 ExpectMetadataEq(metadata, tag_, expected);
84 }
85
TEST_F(StateTest,PopulateDynamicFail)86 TEST_F(StateTest, PopulateDynamicFail) {
87 int err = 123;
88 EXPECT_CALL(*mock_delegate_, GetValue(_)).WillOnce(Return(err));
89
90 PrepareState();
91
92 android::CameraMetadata metadata;
93 ASSERT_EQ(state_->PopulateDynamicFields(&metadata), err);
94 }
95
TEST_F(StateTest,PopulateTemplate)96 TEST_F(StateTest, PopulateTemplate) {
97 int template_type = 3;
98 PrepareState();
99 android::CameraMetadata metadata;
100 ASSERT_EQ(state_->PopulateTemplateRequest(template_type, &metadata), 0);
101 EXPECT_TRUE(metadata.isEmpty());
102 }
103
TEST_F(StateTest,SupportsRequest)104 TEST_F(StateTest, SupportsRequest) {
105 PrepareState();
106 android::CameraMetadata metadata;
107 EXPECT_TRUE(state_->SupportsRequestValues(metadata));
108 }
109
TEST_F(StateTest,SetRequest)110 TEST_F(StateTest, SetRequest) {
111 PrepareState();
112 android::CameraMetadata metadata;
113 ASSERT_EQ(state_->SetRequestValues(metadata), 0);
114 }
115
116 } // namespace v4l2_camera_hal
117