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