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& remove_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 
26 struct RemoveFilenameTestcase {
27   const char* value;
28   const char* expect;
29 };
30 
31 const RemoveFilenameTestcase TestCases[] =
32   {
33       {"", ""}
34     , {"/", "/"}
35     , {"//", "//"}
36     , {"///", "///"}
37 #ifdef _WIN32
38     , {"\\", "\\"}
39 #else
40     , {"\\", ""}
41 #endif
42     , {".", ""}
43     , {"..", ""}
44     , {"/foo", "/"}
45     , {"foo/bar", "foo/"}
46     , {"foo/", "foo/"}
47 #ifdef _WIN32
48     , {"//foo", "//foo"}
49 #else
50     , {"//foo", "//"}
51 #endif
52     , {"//foo/", "//foo/"}
53     , {"//foo///", "//foo///"}
54     , {"///foo", "///"}
55     , {"///foo/", "///foo/"}
56     , {"/foo/", "/foo/"}
57     , {"/foo/.", "/foo/"}
58     , {"/foo/..", "/foo/"}
59     , {"/foo/////", "/foo/////"}
60 #ifdef _WIN32
61     , {"/foo\\\\", "/foo\\\\"}
62 #else
63     , {"/foo\\\\", "/"}
64 #endif
65     , {"/foo//\\/", "/foo//\\/"}
66     , {"///foo", "///"}
67     , {"file.txt", ""}
68     , {"bar/../baz/./file.txt", "bar/../baz/./"}
69   };
70 
71 int main(int, char**)
72 {
73   using namespace fs;
74   for (auto const & TC : TestCases) {
75     path const p_orig(TC.value);
76     path p(p_orig);
77     assert(p == TC.value);
78     path& Ref = (p.remove_filename());
79     assert(p == TC.expect);
80     assert(&Ref == &p);
81     assert(!p.has_filename());
82   }
83 
84   return 0;
85 }
86