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::DoAll;
29 using testing::Expectation;
30 using testing::Return;
31 using testing::SetArgPointee;
32 using testing::Test;
33 using testing::_;
34
35 namespace v4l2_camera_hal {
36
37 class StateTest : public Test {
38 protected:
SetUp()39 virtual void SetUp() {
40 mock_delegate_.reset(new StateDelegateInterfaceMock<uint8_t>());
41 // Nullify state so an error will be thrown if a test doesn't call
42 // PrepareState.
43 state_.reset();
44 }
45
PrepareState()46 virtual void PrepareState() {
47 // Use this method after all the EXPECT_CALLs to pass ownership of the mocks
48 // to the device.
49 state_.reset(new State<uint8_t>(tag_, std::move(mock_delegate_)));
50 }
51
52 std::unique_ptr<State<uint8_t>> state_;
53 std::unique_ptr<StateDelegateInterfaceMock<uint8_t>> mock_delegate_;
54
55 // Need tag that matches the data type (uint8_t) being passed.
56 const int32_t tag_ = ANDROID_CONTROL_AF_STATE;
57 };
58
TEST_F(StateTest,Tags)59 TEST_F(StateTest, Tags) {
60 PrepareState();
61 EXPECT_TRUE(state_->StaticTags().empty());
62 EXPECT_TRUE(state_->ControlTags().empty());
63 ASSERT_EQ(state_->DynamicTags().size(), 1u);
64 EXPECT_EQ(state_->DynamicTags()[0], tag_);
65 }
66
TEST_F(StateTest,PopulateStatic)67 TEST_F(StateTest, PopulateStatic) {
68 PrepareState();
69 android::CameraMetadata metadata;
70 ASSERT_EQ(state_->PopulateStaticFields(&metadata), 0);
71 EXPECT_TRUE(metadata.isEmpty());
72 }
73
TEST_F(StateTest,PopulateDynamic)74 TEST_F(StateTest, PopulateDynamic) {
75 uint8_t expected = 99;
76 EXPECT_CALL(*mock_delegate_, GetValue(_))
77 .WillOnce(DoAll(SetArgPointee<0>(expected), Return(0)));
78
79 PrepareState();
80
81 android::CameraMetadata metadata;
82 ASSERT_EQ(state_->PopulateDynamicFields(&metadata), 0);
83 EXPECT_EQ(metadata.entryCount(), 1u);
84 ExpectMetadataEq(metadata, tag_, expected);
85 }
86
TEST_F(StateTest,PopulateDynamicFail)87 TEST_F(StateTest, PopulateDynamicFail) {
88 int err = 123;
89 EXPECT_CALL(*mock_delegate_, GetValue(_)).WillOnce(Return(err));
90
91 PrepareState();
92
93 android::CameraMetadata metadata;
94 ASSERT_EQ(state_->PopulateDynamicFields(&metadata), err);
95 }
96
TEST_F(StateTest,PopulateTemplate)97 TEST_F(StateTest, PopulateTemplate) {
98 int template_type = 3;
99 PrepareState();
100 android::CameraMetadata metadata;
101 ASSERT_EQ(state_->PopulateTemplateRequest(template_type, &metadata), 0);
102 EXPECT_TRUE(metadata.isEmpty());
103 }
104
TEST_F(StateTest,SupportsRequest)105 TEST_F(StateTest, SupportsRequest) {
106 PrepareState();
107 android::CameraMetadata metadata;
108 EXPECT_TRUE(state_->SupportsRequestValues(metadata));
109 }
110
TEST_F(StateTest,SetRequest)111 TEST_F(StateTest, SetRequest) {
112 PrepareState();
113 android::CameraMetadata metadata;
114 ASSERT_EQ(state_->SetRequestValues(metadata), 0);
115 }
116
117 } // namespace v4l2_camera_hal
118