1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // UNSUPPORTED: c++98, c++03
11
12 // <filesystem>
13
14 // class path
15
16 // path& replace_extension(path const& p = path())
17
18 #include "filesystem_include.hpp"
19 #include <type_traits>
20 #include <cassert>
21
22 #include "test_macros.h"
23 #include "test_iterators.h"
24 #include "count_new.hpp"
25 #include "filesystem_test_helper.hpp"
26
27
28 struct ReplaceExtensionTestcase {
29 const char* value;
30 const char* expect;
31 const char* extension;
32 };
33
34 const ReplaceExtensionTestcase TestCases[] =
35 {
36 {"", "", ""}
37 , {"foo.cpp", "foo", ""}
38 , {"foo.cpp", "foo.", "."}
39 , {"foo..cpp", "foo..txt", "txt"}
40 , {"", ".txt", "txt"}
41 , {"", ".txt", ".txt"}
42 , {"/foo", "/foo.txt", ".txt"}
43 , {"/foo", "/foo.txt", "txt"}
44 , {"/foo.cpp", "/foo.txt", ".txt"}
45 , {"/foo.cpp", "/foo.txt", "txt"}
46 };
47 const ReplaceExtensionTestcase NoArgCases[] =
48 {
49 {"", "", ""}
50 , {"foo", "foo", ""}
51 , {"foo.cpp", "foo", ""}
52 , {"foo..cpp", "foo.", ""}
53 };
54
main()55 int main()
56 {
57 using namespace fs;
58 for (auto const & TC : TestCases) {
59 path p(TC.value);
60 assert(p == TC.value);
61 path& Ref = (p.replace_extension(TC.extension));
62 assert(p == TC.expect);
63 assert(&Ref == &p);
64 }
65 for (auto const& TC : NoArgCases) {
66 path p(TC.value);
67 assert(p == TC.value);
68 path& Ref = (p.replace_extension());
69 assert(p == TC.expect);
70 assert(&Ref == &p);
71 }
72 }
73