1 //===-- Unittests for strdup ----------------------------------------------===//
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/strdup.h"
10 #include "utils/UnitTest/Test.h"
11 #include <stdlib.h>
12 
13 TEST(LlvmLibcStrDupTest, EmptyString) {
14   const char *empty = "";
15 
16   char *result = __llvm_libc::strdup(empty);
17   ASSERT_NE(result, static_cast<char *>(nullptr));
18   ASSERT_NE(empty, const_cast<const char *>(result));
19   ASSERT_STREQ(empty, result);
20   ::free(result);
21 }
22 
23 TEST(LlvmLibcStrDupTest, AnyString) {
24   const char *abc = "abc";
25 
26   char *result = __llvm_libc::strdup(abc);
27 
28   ASSERT_NE(result, static_cast<char *>(nullptr));
29   ASSERT_NE(abc, const_cast<const char *>(result));
30   ASSERT_STREQ(abc, result);
31   ::free(result);
32 }
33 
34 TEST(LlvmLibcStrDupTest, NullPtr) {
35 
36   char *result = __llvm_libc::strdup(nullptr);
37 
38   ASSERT_EQ(result, static_cast<char *>(nullptr));
39 }
40