1 //===-- Unittests for strcpy ----------------------------------------------===//
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-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "src/string/strcpy.h"
10 #include "utils/UnitTest/Test.h"
11
TEST(LlvmLibcStrCpyTest,EmptyDest)12 TEST(LlvmLibcStrCpyTest, EmptyDest) {
13 const char *abc = "abc";
14 char dest[4];
15
16 char *result = __llvm_libc::strcpy(dest, abc);
17 ASSERT_EQ(dest, result);
18 ASSERT_STREQ(dest, result);
19 ASSERT_STREQ(dest, abc);
20 }
21
TEST(LlvmLibcStrCpyTest,OffsetDest)22 TEST(LlvmLibcStrCpyTest, OffsetDest) {
23 const char *abc = "abc";
24 char dest[7];
25
26 dest[0] = 'x';
27 dest[1] = 'y';
28 dest[2] = 'z';
29
30 char *result = __llvm_libc::strcpy(dest + 3, abc);
31 ASSERT_EQ(dest + 3, result);
32 ASSERT_STREQ(dest + 3, result);
33 ASSERT_STREQ(dest, "xyzabc");
34 }
35