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//===----------------------- Unittests for strcpy -------------------------===//
//
// 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 <string>
#include "src/string/strcpy.h"
#include "gtest/gtest.h"
TEST(StrCpyTest, EmptyDest) {
std::string abc = "abc";
char dest[4];
char *result = __llvm_libc::strcpy(dest, abc.c_str());
ASSERT_EQ(dest, result);
ASSERT_EQ(std::string(dest), abc);
ASSERT_EQ(std::string(dest).size(), abc.size());
}
TEST(StrCpyTest, OffsetDest) {
std::string abc = "abc";
char dest[7];
dest[0] = 'x';
dest[1] = 'y';
dest[2] = 'z';
char *result = __llvm_libc::strcpy(dest + 3, abc.c_str());
ASSERT_EQ(dest + 3, result);
ASSERT_EQ(std::string(dest), std::string("xyz") + abc);
ASSERT_EQ(std::string(dest).size(), abc.size() + 3);
}
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