1 // Copyright (C) 2021 The Android Open Source Project
2 //
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 #include <gtest/gtest.h>
16
17 #include "RingBufferUtil.h"
18
19 using namespace audio_proxy::service;
20
21 using Buffer = std::vector<int8_t>;
22
23 class RingBufferUtilTest : public testing::TestWithParam<
24 std::tuple<Buffer, Buffer, Buffer, Buffer>> {};
25
TEST_P(RingBufferUtilTest,DifferentBufferSize)26 TEST_P(RingBufferUtilTest, DifferentBufferSize) {
27 auto [src1, src2, expectedDst1, expectedDst2] = GetParam();
28
29 Buffer dst1(expectedDst1.size());
30 Buffer dst2(expectedDst2.size());
31
32 copyRingBuffer(dst1.data(), dst1.size(), dst2.data(), dst2.size(),
33 src1.data(), src1.size(), src2.data(), src2.size());
34
35 EXPECT_EQ(dst1, expectedDst1);
36 EXPECT_EQ(dst2, expectedDst2);
37 }
38
39 // clang-format off
40 const std::vector<std::tuple<Buffer, Buffer, Buffer, Buffer>> testParams = {
41 // The layout are the same for src and dst.
42 {
43 {0, 1, 2, 3, 4},
44 {5, 6, 7, 8, 9},
45 {0, 1, 2, 3, 4},
46 {5, 6, 7, 8, 9}
47 },
48 // src1 size is samller than dst1 size.
49 {
50 {0, 1, 2, 3},
51 {4, 5, 6, 7, 8, 9},
52 {0, 1, 2, 3, 4},
53 {5, 6, 7, 8, 9}
54 },
55 // src2 size is larger than dst1 size.
56 {
57 {0, 1, 2, 3, 4, 5},
58 {6, 7, 8, 9},
59 {0, 1, 2, 3, 4},
60 {5, 6, 7, 8, 9}
61 },
62 // dst1 size is larger enough to hold all the src data.
63 {
64 {0, 1, 2, 3, 4},
65 {5, 6, 7, 8, 9},
66 {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0},
67 {0, 0, 0, 0, 0}
68 },
69 // Empty src
70 {{}, {}, {}, {}}
71 };
72 // clang-format off
73
74 INSTANTIATE_TEST_SUITE_P(RingBufferUtilTestSuite, RingBufferUtilTest,
75 testing::ValuesIn(testParams));
76
TEST(RingBufferUtilTest,CopyNullptr)77 TEST(RingBufferUtilTest, CopyNullptr) {
78 // Test should not crash.
79 copyRingBuffer(nullptr, 0, nullptr, 0, nullptr, 0, nullptr, 0);
80 }
81