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 <gmock/gmock.h>
20 #include <gtest/gtest.h>
21
22 using testing::Test;
23
24 namespace v4l2_camera_hal {
25
26 class EnumConverterTest : public Test {
27 protected:
SetUp()28 virtual void SetUp() {
29 converter_.reset(
30 new EnumConverter({{one_to_one_v4l2_, one_to_one_metadata_},
31 {one_to_many_v4l2_, many_to_one_metadata_1_},
32 {one_to_many_v4l2_, many_to_one_metadata_2_},
33 {many_to_one_v4l2_1_, one_to_many_metadata_},
34 {many_to_one_v4l2_2_, one_to_many_metadata_},
35 {unused_v4l2_, unused_metadata_}}));
36 }
37
38 std::unique_ptr<EnumConverter> converter_;
39
40 const int32_t one_to_one_v4l2_ = 12;
41 const int32_t one_to_many_v4l2_ = 34;
42 const int32_t many_to_one_v4l2_1_ = 56;
43 const int32_t many_to_one_v4l2_2_ = 78;
44 const int32_t unused_v4l2_ = 910;
45 const uint8_t one_to_one_metadata_ = 109;
46 const uint8_t one_to_many_metadata_ = 87;
47 const uint8_t many_to_one_metadata_1_ = 65;
48 const uint8_t many_to_one_metadata_2_ = 43;
49 const uint8_t unused_metadata_ = 21;
50 };
51
52 // Convert single.
TEST_F(EnumConverterTest,OneToOneConversion)53 TEST_F(EnumConverterTest, OneToOneConversion) {
54 uint8_t metadata_val = 1;
55 ASSERT_EQ(converter_->V4L2ToMetadata(one_to_one_v4l2_, &metadata_val), 0);
56 EXPECT_EQ(metadata_val, one_to_one_metadata_);
57
58 int32_t v4l2_val = 1;
59 ASSERT_EQ(converter_->MetadataToV4L2(one_to_one_metadata_, &v4l2_val), 0);
60 EXPECT_EQ(v4l2_val, one_to_one_v4l2_);
61 }
62
TEST_F(EnumConverterTest,OneToManyConversion)63 TEST_F(EnumConverterTest, OneToManyConversion) {
64 // Should be one of the acceptable values.
65 uint8_t metadata_val = 1;
66 ASSERT_EQ(converter_->V4L2ToMetadata(one_to_many_v4l2_, &metadata_val), 0);
67 EXPECT_TRUE(metadata_val == many_to_one_metadata_1_ ||
68 metadata_val == many_to_one_metadata_2_);
69
70 int32_t v4l2_val = 1;
71 ASSERT_EQ(converter_->MetadataToV4L2(one_to_many_metadata_, &v4l2_val), 0);
72 EXPECT_TRUE(v4l2_val == many_to_one_v4l2_1_ ||
73 v4l2_val == many_to_one_v4l2_2_);
74 }
75
TEST_F(EnumConverterTest,ManyToOneConversion)76 TEST_F(EnumConverterTest, ManyToOneConversion) {
77 uint8_t metadata_val = 1;
78 ASSERT_EQ(converter_->V4L2ToMetadata(many_to_one_v4l2_1_, &metadata_val), 0);
79 EXPECT_EQ(metadata_val, one_to_many_metadata_);
80 metadata_val = 1; // Reset.
81 ASSERT_EQ(converter_->V4L2ToMetadata(many_to_one_v4l2_2_, &metadata_val), 0);
82 EXPECT_EQ(metadata_val, one_to_many_metadata_);
83
84 int32_t v4l2_val = 1;
85 ASSERT_EQ(converter_->MetadataToV4L2(many_to_one_metadata_1_, &v4l2_val), 0);
86 EXPECT_EQ(v4l2_val, one_to_many_v4l2_);
87 v4l2_val = 1; // Reset.
88 ASSERT_EQ(converter_->MetadataToV4L2(many_to_one_metadata_2_, &v4l2_val), 0);
89 EXPECT_EQ(v4l2_val, one_to_many_v4l2_);
90 }
91
TEST_F(EnumConverterTest,InvalidConversion)92 TEST_F(EnumConverterTest, InvalidConversion) {
93 uint8_t metadata_val = 1;
94 EXPECT_EQ(converter_->V4L2ToMetadata(1, &metadata_val), -EINVAL);
95
96 int32_t v4l2_val = 1;
97 EXPECT_EQ(converter_->MetadataToV4L2(1, &v4l2_val), -EINVAL);
98 }
99
100 } // namespace v4l2_camera_hal
101