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()
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 #include "verbose_assert.h"
26 
27 struct ReplaceFilenameTestcase {
28   const char* value;
29   const char* expect;
30   const char* filename;
31 };
32 
33 const ReplaceFilenameTestcase TestCases[] =
34   {
35       {"/foo", "/bar", "bar"}
36     , {"/foo", "/", ""}
37     , {"foo", "bar", "bar"}
38     , {"/", "/bar", "bar"}
39     , {"\\", "bar", "bar"}
40     , {"///", "///bar", "bar"}
41     , {"\\\\", "bar", "bar"}
42     , {"\\/\\", "\\/bar", "bar"}
43     , {".", "bar", "bar"}
44     , {"..", "bar", "bar"}
45     , {"/foo\\baz/bong/", "/foo\\baz/bong/bar", "bar"}
46     , {"/foo\\baz/bong", "/foo\\baz/bar", "bar"}
47   };
48 
49 int main(int, char**)
50 {
51   using namespace fs;
52   for (auto const & TC : TestCases) {
53     path p(TC.value);
54     ASSERT_EQ(p, TC.value);
55     path& Ref = (p.replace_filename(TC.filename));
56     ASSERT_EQ(p, TC.expect)
57         << DISPLAY(TC.value)
58         << DISPLAY(TC.filename);
59     assert(&Ref == &p);
60     // Tests Effects "as-if": remove_filename() append(filename)
61     {
62       path p2(TC.value);
63       path replace(TC.filename);
64       p2.remove_filename();
65       p2 /= replace;
66       ASSERT_EQ(p, p2);
67     }
68   }
69 
70   return 0;
71 }
72