1 /*
2 * Copyright (c) 2025 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 <cstdint>
17 #include <cstdlib>
18
19 #include "common_components/base/mem_utils.h"
20 #include "common_components/tests/test_helper.h"
21
22 using namespace common;
23 namespace common::test {
24 class MemUtilsTest : public common::test::BaseTestWithScope {
25 };
26
HWTEST_F_L0(MemUtilsTest,CopyZeroBytes)27 HWTEST_F_L0(MemUtilsTest, CopyZeroBytes)
28 {
29 char dest[100] = {};
30 const char* src = "hello world";
31 MemoryCopy(reinterpret_cast<uintptr_t>(dest), 0,
32 reinterpret_cast<uintptr_t>(src), strlen(src) + 1);
33 EXPECT_EQ(dest[0], '\0');
34 }
35
HWTEST_F_L0(MemUtilsTest,CopyTwoChunks)36 HWTEST_F_L0(MemUtilsTest, CopyTwoChunks)
37 {
38 constexpr size_t totalSize = 100;
39 char dest[totalSize] = {};
40 char src[totalSize] = {};
41 for (size_t i = 0; i < totalSize; ++i) {
42 src[i] = static_cast<char>('A' + (i % 26));
43 }
44
45 MemoryCopy(reinterpret_cast<uintptr_t>(dest), totalSize,
46 reinterpret_cast<uintptr_t>(src), totalSize);
47
48 EXPECT_EQ(memcmp(dest, src, totalSize), 0);
49 }
50 } // namespace common::test