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 "enum_converter.h"
18
19 #include <gtest/gtest.h>
20
21 using testing::Test;
22
23 namespace v4l2_camera_hal {
24
25 class EnumConverterTest : public Test {
26 protected:
SetUp()27 virtual void SetUp() {
28 converter_.reset(
29 new EnumConverter({{one_to_one_v4l2_, one_to_one_metadata_},
30 {one_to_many_v4l2_, many_to_one_metadata_1_},
31 {one_to_many_v4l2_, many_to_one_metadata_2_},
32 {many_to_one_v4l2_1_, one_to_many_metadata_},
33 {many_to_one_v4l2_2_, one_to_many_metadata_},
34 {unused_v4l2_, unused_metadata_}}));
35 }
36
37 std::unique_ptr<EnumConverter> converter_;
38
39 const int32_t one_to_one_v4l2_ = 12;
40 const int32_t one_to_many_v4l2_ = 34;
41 const int32_t many_to_one_v4l2_1_ = 56;
42 const int32_t many_to_one_v4l2_2_ = 78;
43 const int32_t unused_v4l2_ = 910;
44 const uint8_t one_to_one_metadata_ = 109;
45 const uint8_t one_to_many_metadata_ = 87;
46 const uint8_t many_to_one_metadata_1_ = 65;
47 const uint8_t many_to_one_metadata_2_ = 43;
48 const uint8_t unused_metadata_ = 21;
49 };
50
51 // Convert single.
TEST_F(EnumConverterTest,OneToOneConversion)52 TEST_F(EnumConverterTest, OneToOneConversion) {
53 uint8_t metadata_val = 1;
54 ASSERT_EQ(converter_->V4L2ToMetadata(one_to_one_v4l2_, &metadata_val), 0);
55 EXPECT_EQ(metadata_val, one_to_one_metadata_);
56
57 int32_t v4l2_val = 1;
58 ASSERT_EQ(converter_->MetadataToV4L2(one_to_one_metadata_, &v4l2_val), 0);
59 EXPECT_EQ(v4l2_val, one_to_one_v4l2_);
60 }
61
TEST_F(EnumConverterTest,OneToManyConversion)62 TEST_F(EnumConverterTest, OneToManyConversion) {
63 // Should be one of the acceptable values.
64 uint8_t metadata_val = 1;
65 ASSERT_EQ(converter_->V4L2ToMetadata(one_to_many_v4l2_, &metadata_val), 0);
66 EXPECT_TRUE(metadata_val == many_to_one_metadata_1_ ||
67 metadata_val == many_to_one_metadata_2_);
68
69 int32_t v4l2_val = 1;
70 ASSERT_EQ(converter_->MetadataToV4L2(one_to_many_metadata_, &v4l2_val), 0);
71 EXPECT_TRUE(v4l2_val == many_to_one_v4l2_1_ ||
72 v4l2_val == many_to_one_v4l2_2_);
73 }
74
TEST_F(EnumConverterTest,ManyToOneConversion)75 TEST_F(EnumConverterTest, ManyToOneConversion) {
76 uint8_t metadata_val = 1;
77 ASSERT_EQ(converter_->V4L2ToMetadata(many_to_one_v4l2_1_, &metadata_val), 0);
78 EXPECT_EQ(metadata_val, one_to_many_metadata_);
79 metadata_val = 1; // Reset.
80 ASSERT_EQ(converter_->V4L2ToMetadata(many_to_one_v4l2_2_, &metadata_val), 0);
81 EXPECT_EQ(metadata_val, one_to_many_metadata_);
82
83 int32_t v4l2_val = 1;
84 ASSERT_EQ(converter_->MetadataToV4L2(many_to_one_metadata_1_, &v4l2_val), 0);
85 EXPECT_EQ(v4l2_val, one_to_many_v4l2_);
86 v4l2_val = 1; // Reset.
87 ASSERT_EQ(converter_->MetadataToV4L2(many_to_one_metadata_2_, &v4l2_val), 0);
88 EXPECT_EQ(v4l2_val, one_to_many_v4l2_);
89 }
90
TEST_F(EnumConverterTest,InvalidConversion)91 TEST_F(EnumConverterTest, InvalidConversion) {
92 uint8_t metadata_val = 1;
93 EXPECT_EQ(converter_->V4L2ToMetadata(1, &metadata_val), -EINVAL);
94
95 int32_t v4l2_val = 1;
96 EXPECT_EQ(converter_->MetadataToV4L2(1, &v4l2_val), -EINVAL);
97 }
98
99 } // namespace v4l2_camera_hal
100