62 lines · cpp
1//===-- Unittests for wmemcpy ---------------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "hdr/types/size_t.h"10#include "hdr/types/wchar_t.h"11#include "src/wchar/wmemcpy.h"12#include "test/UnitTest/Test.h"13 14TEST(LlvmLibcWMemcpyTest, CopyIntoEmpty) {15 wchar_t dest[10] = {};16 const wchar_t *src = L"abcde";17 LIBC_NAMESPACE::wmemcpy(dest, src, 6);18 ASSERT_TRUE(src[0] == dest[0]);19 ASSERT_TRUE(src[1] == dest[1]);20 ASSERT_TRUE(src[2] == dest[2]);21 ASSERT_TRUE(src[3] == dest[3]);22 ASSERT_TRUE(src[4] == dest[4]);23 ASSERT_TRUE(src[5] == dest[5]);24}25 26TEST(LlvmLibcWMemcpyTest, CopyFullString) {27 // After copying, strings should be the same.28 wchar_t dest[10] = {};29 const wchar_t *src = L"abcde";30 LIBC_NAMESPACE::wmemcpy(dest, src, 6);31 ASSERT_TRUE(src[0] == dest[0]);32 ASSERT_TRUE(src[1] == dest[1]);33 ASSERT_TRUE(src[2] == dest[2]);34 ASSERT_TRUE(src[3] == dest[3]);35 ASSERT_TRUE(src[4] == dest[4]);36 ASSERT_TRUE(src[5] == dest[5]);37}38 39TEST(LlvmLibcWMemcpyTest, CopyPartialString) {40 // After copying, only first two characters should be the same.41 wchar_t dest[10] = {};42 const wchar_t *src = L"abcde";43 LIBC_NAMESPACE::wmemcpy(dest, src, 2);44 ASSERT_TRUE(src[0] == dest[0]);45 ASSERT_TRUE(src[1] == dest[1]);46 ASSERT_TRUE(src[2] != dest[2]);47 ASSERT_TRUE(src[3] != dest[3]);48 ASSERT_TRUE(src[4] != dest[4]);49}50 51TEST(LlvmLibcWMemcpyTest, CopyZeroCharacters) {52 // Copying 0 characters should not change the string53 wchar_t dest[10] = {L'1', L'2', L'3', L'4', L'5', L'\0'};54 const wchar_t *src = L"abcde";55 LIBC_NAMESPACE::wmemcpy(dest, src, 0);56 ASSERT_TRUE(L'1' == dest[0]);57 ASSERT_TRUE(L'2' == dest[1]);58 ASSERT_TRUE(L'3' == dest[2]);59 ASSERT_TRUE(L'4' == dest[3]);60 ASSERT_TRUE(L'5' == dest[4]);61}62