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//===-- Unittests for strdup ----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/errno/libc_errno.h"
#include "src/string/strdup.h"
#include "test/UnitTest/Test.h"
#include <stdlib.h>
TEST(LlvmLibcStrDupTest, EmptyString) {
const char *empty = "";
libc_errno = 0;
char *result = LIBC_NAMESPACE::strdup(empty);
ASSERT_EQ(libc_errno, 0);
ASSERT_NE(result, static_cast<char *>(nullptr));
ASSERT_NE(empty, const_cast<const char *>(result));
ASSERT_STREQ(empty, result);
::free(result);
}
TEST(LlvmLibcStrDupTest, AnyString) {
const char *abc = "abc";
libc_errno = 0;
char *result = LIBC_NAMESPACE::strdup(abc);
ASSERT_EQ(libc_errno, 0);
ASSERT_NE(result, static_cast<char *>(nullptr));
ASSERT_NE(abc, const_cast<const char *>(result));
ASSERT_STREQ(abc, result);
::free(result);
}
TEST(LlvmLibcStrDupTest, NullPtr) {
libc_errno = 0;
char *result = LIBC_NAMESPACE::strdup(nullptr);
ASSERT_EQ(libc_errno, 0);
ASSERT_EQ(result, static_cast<char *>(nullptr));
}
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