51 lines · cpp
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-exception6//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