1//===-- Unittests for strlcpy ---------------------------------------------===//
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/strlcpy.h"
10#include "test/UnitTest/Test.h"
11#include <stdlib.h>
12
13TEST(LlvmLibcStrlcpyTest, TooBig) {
14 const char *str = "abc";
15 char buf[2];
16 EXPECT_EQ(LIBC_NAMESPACE::strlcpy(buf, str, 2), size_t(3));
17 EXPECT_STREQ(buf, "a");
18
19 EXPECT_EQ(LIBC_NAMESPACE::strlcpy(nullptr, str, 0), size_t(3));
20}
21
22TEST(LlvmLibcStrlcpyTest, Smaller) {
23 const char *str = "abc";
24 char buf[7]{"111111"};
25
26 EXPECT_EQ(LIBC_NAMESPACE::strlcpy(buf, str, 7), size_t(3));
27 EXPECT_STREQ(buf, "abc");
28 for (const char *p = buf + 3; p < buf + 7; p++)
29 EXPECT_EQ(*p, '\0');
30}
31

source code of libc/test/src/string/strlcpy_test.cpp