49 lines · cpp
1//===-- Unittests for wcsdup ----------------------------------------------===//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/wchar_t.h"10#include "src/wchar/wcsdup.h"11#include "test/UnitTest/ErrnoCheckingTest.h"12#include "test/UnitTest/Test.h"13 14using LlvmLibcWcsDupTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;15 16TEST_F(LlvmLibcWcsDupTest, EmptyString) {17 const wchar_t *empty = L"";18 19 wchar_t *result = LIBC_NAMESPACE::wcsdup(empty);20 ASSERT_ERRNO_SUCCESS();21 22 ASSERT_NE(result, static_cast<wchar_t *>(nullptr));23 ASSERT_NE(empty, const_cast<const wchar_t *>(result));24 ASSERT_TRUE(empty[0] == result[0]);25 ::free(result);26}27 28TEST_F(LlvmLibcWcsDupTest, AnyString) {29 const wchar_t *abc = L"abc";30 31 wchar_t *result = LIBC_NAMESPACE::wcsdup(abc);32 ASSERT_ERRNO_SUCCESS();33 34 ASSERT_NE(result, static_cast<wchar_t *>(nullptr));35 ASSERT_NE(abc, const_cast<const wchar_t *>(result));36 ASSERT_TRUE(abc[0] == result[0]);37 ASSERT_TRUE(abc[1] == result[1]);38 ASSERT_TRUE(abc[2] == result[2]);39 ASSERT_TRUE(abc[3] == result[3]);40 ::free(result);41}42 43TEST_F(LlvmLibcWcsDupTest, NullPtr) {44 wchar_t *result = LIBC_NAMESPACE::wcsdup(nullptr);45 ASSERT_ERRNO_SUCCESS();46 47 ASSERT_EQ(result, static_cast<wchar_t *>(nullptr));48}49