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++98, 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 "assert_checkpoint.h"
26 #include "verbose_assert.h"
27 
28 struct ReplaceFilenameTestcase {
29   const char* value;
30   const char* expect;
31   const char* filename;
32 };
33 
34 const ReplaceFilenameTestcase TestCases[] =
35   {
36       {"/foo", "/bar", "bar"}
37     , {"/foo", "/", ""}
38     , {"foo", "bar", "bar"}
39     , {"/", "/bar", "bar"}
40     , {"\\", "bar", "bar"}
41     , {"///", "///bar", "bar"}
42     , {"\\\\", "bar", "bar"}
43     , {"\\/\\", "\\/bar", "bar"}
44     , {".", "bar", "bar"}
45     , {"..", "bar", "bar"}
46     , {"/foo\\baz/bong/", "/foo\\baz/bong/bar", "bar"}
47     , {"/foo\\baz/bong", "/foo\\baz/bar", "bar"}
48   };
49 
50 int main(int, char**)
51 {
52   using namespace fs;
53   for (auto const & TC : TestCases) {
54     path p(TC.value);
55     ASSERT_EQ(p, TC.value);
56     path& Ref = (p.replace_filename(TC.filename));
57     ASSERT_EQ(p, TC.expect)
58         << DISPLAY(TC.value)
59         << DISPLAY(TC.filename);
60     assert(&Ref == &p);
61     // Tests Effects "as-if": remove_filename() append(filename)
62     {
63       path p2(TC.value);
64       path replace(TC.filename);
65       p2.remove_filename();
66       p2 /= replace;
67       ASSERT_EQ(p, p2);
68     }
69   }
70 
71   return 0;
72 }
73