1 /*
2 * Copyright (c) 2021-2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "gtest/gtest.h"
17 #include "plugin/common/any.h"
18 #define private public
19 #define protected public
20 #define UNIT_TEST 1
21
22 #include "plugin/plugins/ffmpeg_adapter/utils/bit_reader.h"
23
24 using namespace testing::ext;
25
26 namespace OHOS {
27 namespace Media {
28 namespace Test {
29 using namespace Plugin;
30
31 class TestBitReader : public ::testing::Test {
32 public:
33 void SetUp() override
34 {
35 }
36
37 void TearDown() override
38 {
39 }
40 Ffmpeg::BitReader bitReader;
41 };
42
HWTEST_F(TestBitReader, test_read_bits, TestSize.Level1)43 HWTEST_F(TestBitReader, test_read_bits, TestSize.Level1)
44 {
45 const uint8_t data[] = {0xff, 0x11, 0x22, 0x33};
46 bitReader.Reset(data, sizeof(data));
47 uint32_t val = 0;
48 EXPECT_EQ(bitReader.ReadBits(4, val), true);
49 EXPECT_EQ(val, 0xf);
50
51 EXPECT_EQ(bitReader.ReadBits(8, val), true);
52 EXPECT_EQ(val, 0xf1);
53
54 EXPECT_EQ(bitReader.GetAvailableBits(), 20);
55 EXPECT_EQ(bitReader.ReadBits(20, val), true);
56 EXPECT_EQ(val, 0x12233);
57
58 EXPECT_EQ(bitReader.ReadBits(4, val), false);
59 }
60
HWTEST_F(TestBitReader, test_skip_bits, TestSize.Level1)61 HWTEST_F(TestBitReader, test_skip_bits, TestSize.Level1)
62 {
63 const uint8_t data[] = {0xff, 0x11, 0x22, 0x33};
64 bitReader.Reset(data, sizeof(data));
65 uint32_t val = 0;
66 EXPECT_EQ(bitReader.ReadBits(4, val), true);
67 EXPECT_EQ(val, 0xf);
68 bitReader.SkipBits(4);
69 EXPECT_EQ(bitReader.ReadBits(8, val), true);
70 EXPECT_EQ(val, 0x11);
71 bitReader.SkipBits(8);
72 EXPECT_EQ(bitReader.ReadBits(8, val), true);
73 EXPECT_EQ(val, 0x33);
74 }
75
HWTEST_F(TestBitReader, test_show_bits, TestSize.Level1)76 HWTEST_F(TestBitReader, test_show_bits, TestSize.Level1)
77 {
78 const uint8_t data[] = {0xff, 0x11, 0x22, 0x33};
79 bitReader.Reset(data, sizeof(data));
80 uint32_t val = 0;
81 EXPECT_EQ(bitReader.ReadBits(4, val), true);
82 EXPECT_EQ(val, 0xf);
83 EXPECT_EQ(bitReader.PeekBits(4, val), true);
84 EXPECT_EQ(val, 0xf);
85 bitReader.SkipBits(4);
86 EXPECT_EQ(bitReader.PeekBits(8, val), true);
87 EXPECT_EQ(val, 0x11);
88 EXPECT_EQ(bitReader.ReadBits(8, val), true);
89 EXPECT_EQ(val, 0x11);
90 }
91
HWTEST_F(TestBitReader, test_seek_bits, TestSize.Level1)92 HWTEST_F(TestBitReader, test_seek_bits, TestSize.Level1)
93 {
94 const uint8_t data[] = {0xff, 0x11, 0x22, 0x33};
95 bitReader.Reset(data, sizeof(data));
96 uint32_t val = 0;
97 EXPECT_EQ(bitReader.ReadBits(4, val), true);
98 EXPECT_EQ(val, 0xf);
99 bitReader.SkipBits(20);
100 EXPECT_EQ(bitReader.ReadBits(8, val), true);
101 EXPECT_EQ(val, 0x33);
102 EXPECT_EQ(bitReader.GetAvailableBits(), 0);
103 EXPECT_EQ(bitReader.SeekTo(0), true);
104 EXPECT_EQ(bitReader.ReadBits(4, val), true);
105 EXPECT_EQ(val, 0xf);
106 }
107 } // namespace Test
108 } // namespace Media
109 } // namespace OHOS
110