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// <experimental/filesystem>
13
14// class path
15
16// path& remove_filename()
17
18#include <experimental/filesystem>
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
27namespace fs = std::experimental::filesystem;
28
29struct RemoveFilenameTestcase {
30  const char* value;
31  const char* expect;
32};
33
34const RemoveFilenameTestcase TestCases[] =
35  {
36      {"", ""}
37    , {"/", ""}
38    , {"//", ""}
39    , {"///", ""}
40    , {"\\", ""}
41    , {".", ""}
42    , {"..", ""}
43    , {"/foo", "/"}
44    , {"//foo", ""}
45    , {"//foo/", ""}
46    , {"//foo///", ""}
47    , {"///foo", "/"}
48    , {"///foo/", "///foo"}
49    , {"/foo/", "/foo"}
50    , {"/foo/.", "/foo"}
51    , {"/foo/..", "/foo"}
52    , {"/foo/////", "/foo"}
53    , {"/foo\\\\", "/"}
54    , {"/foo//\\/", "/foo//\\"}
55    , {"///foo", "/"}
56    , {"file.txt", ""}
57    , {"bar/../baz/./file.txt", "bar/../baz/."}
58  };
59
60int main()
61{
62  using namespace fs;
63  for (auto const & TC : TestCases) {
64    path const p_orig(TC.value);
65    path p(p_orig);
66    assert(p == TC.value);
67    path& Ref = (p.remove_filename());
68    assert(p == TC.expect);
69    assert(&Ref == &p);
70    {
71      const path parentp = p_orig.parent_path();
72      if (parentp == p_orig.root_name()) {
73
74        assert(p.empty());
75      } else {
76        assert(p == parentp);
77      }
78    }
79  }
80}
81