1 //===----------------------------------------------------------------------===//
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 // UNSUPPORTED: c++03
10 
11 // <filesystem>
12 
13 // class path
14 
15 // path& replace_filename( const path& replacement );
16 
17 #include "filesystem_include.h"
18 #include <type_traits>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 #include "test_iterators.h"
23 #include "count_new.h"
24 #include "filesystem_test_helper.h"
25 
26 struct ReplaceFilenameTestcase {
27   const char* value;
28   const char* expect;
29   const char* filename;
30 };
31 
32 const ReplaceFilenameTestcase TestCases[] =
33   {
34       {"/foo", "/bar", "bar"}
35     , {"/foo", "/", ""}
36     , {"foo", "bar", "bar"}
37     , {"/", "/bar", "bar"}
38 #ifdef _WIN32
39     , {"\\", "\\bar", "bar"}
40 #else
41     , {"\\", "bar", "bar"}
42 #endif
43     , {"///", "///bar", "bar"}
44 #ifdef _WIN32
45     , {"\\\\", "\\\\bar", "bar"}
46     , {"\\/\\", "\\/\\bar", "bar"}
47 #else
48     , {"\\\\", "bar", "bar"}
49     , {"\\/\\", "\\/bar", "bar"}
50 #endif
51     , {".", "bar", "bar"}
52     , {"..", "bar", "bar"}
53     , {"/foo\\baz/bong/", "/foo\\baz/bong/bar", "bar"}
54     , {"/foo\\baz/bong", "/foo\\baz/bar", "bar"}
55   };
56 
57 int main(int, char**)
58 {
59   using namespace fs;
60   for (auto const & TC : TestCases) {
61     path p(TC.value);
62     assert(p == TC.value);
63     path& Ref = p.replace_filename(TC.filename);
64     assert(p == TC.expect);
65     assert(&Ref == &p);
66     // Tests Effects "as-if": remove_filename() append(filename)
67     {
68       path p2(TC.value);
69       path replace(TC.filename);
70       p2.remove_filename();
71       p2 /= replace;
72       assert(p == p2);
73     }
74   }
75 
76   return 0;
77 }
78