1 //===-- Unittests for strlcat ---------------------------------------------===//
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/strlcat.h"
10 #include "test/UnitTest/Test.h"
11 #include <stdlib.h>
12
TEST(LlvmLibcStrlcatTest,TooBig)13 TEST(LlvmLibcStrlcatTest, TooBig) {
14 const char *str = "cd";
15 char buf[4]{"ab"};
16 EXPECT_EQ(LIBC_NAMESPACE::strlcat(buf, str, 3), size_t(4));
17 EXPECT_STREQ(buf, "ab");
18 EXPECT_EQ(LIBC_NAMESPACE::strlcat(buf, str, 4), size_t(4));
19 EXPECT_STREQ(buf, "abc");
20 }
21
TEST(LlvmLibcStrlcatTest,Smaller)22 TEST(LlvmLibcStrlcatTest, Smaller) {
23 const char *str = "cd";
24 char buf[7]{"ab"};
25
26 EXPECT_EQ(LIBC_NAMESPACE::strlcat(buf, str, 7), size_t(4));
27 EXPECT_STREQ(buf, "abcd");
28 }
29
TEST(LlvmLibcStrlcatTest,No0)30 TEST(LlvmLibcStrlcatTest, No0) {
31 const char *str = "cd";
32 char buf[7]{"ab"};
33 EXPECT_EQ(LIBC_NAMESPACE::strlcat(buf, str, 1), size_t(3));
34 EXPECT_STREQ(buf, "ab");
35 EXPECT_EQ(LIBC_NAMESPACE::strlcat(buf, str, 2), size_t(4));
36 EXPECT_STREQ(buf, "ab");
37 }
38