1//===-- Unittests for wmempcpy --------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "src/wchar/wmempcpy.h"
10#include "test/UnitTest/Test.h"
11
12TEST(LlvmLibcWMempcpyTest, Simple) {
13 const wchar_t *src = L"12345";
14 wchar_t dest[10] = {};
15 void *result = LIBC_NAMESPACE::wmempcpy(dest, src, 6);
16 ASSERT_EQ(static_cast<wchar_t *>(result), dest + 6);
17
18 ASSERT_TRUE(dest[0] == src[0]);
19 ASSERT_TRUE(dest[1] == src[1]);
20 ASSERT_TRUE(dest[2] == src[2]);
21 ASSERT_TRUE(dest[3] == src[3]);
22 ASSERT_TRUE(dest[4] == src[4]);
23 ASSERT_TRUE(dest[5] == src[5]);
24}
25
26TEST(LlvmLibcWmempcpyTest, ZeroCount) {
27 const wchar_t *src = L"12345";
28 wchar_t dest[5] = {};
29 void *result = LIBC_NAMESPACE::wmempcpy(dest, src, 0);
30 ASSERT_EQ(static_cast<wchar_t *>(result), dest);
31
32 ASSERT_TRUE(dest[0] == 0);
33 ASSERT_TRUE(dest[1] == 0);
34 ASSERT_TRUE(dest[2] == 0);
35 ASSERT_TRUE(dest[3] == 0);
36 ASSERT_TRUE(dest[4] == 0);
37}
38
39TEST(LlvmLibcWMempcpyTest, BoundaryCheck) {
40 const wchar_t *src = L"12345";
41 wchar_t dest[4] = {};
42 void *result = LIBC_NAMESPACE::wmempcpy(dest + 1, src + 1, 2);
43
44 ASSERT_TRUE(dest[0] == 0);
45 ASSERT_TRUE(dest[1] == src[1]);
46 ASSERT_TRUE(dest[2] == src[2]);
47 ASSERT_TRUE(dest[3] == 0);
48
49 ASSERT_EQ(static_cast<wchar_t *>(result), dest + 3);
50}
51

source code of libc/test/src/wchar/wmempcpy_test.cpp