1 // Copyright (C) 2015-2020 Free Software Foundation, Inc.
2 //
3 // This file is part of the GNU ISO C++ Library.  This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
7 // any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 // GNU General Public License for more details.
13 
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3.  If not see
16 // <http://www.gnu.org/licenses/>.
17 
18 // { dg-options "-std=gnu++17" }
19 // { dg-do run { target c++17 } }
20 // { dg-require-filesystem-ts "" }
21 
22 #include <filesystem>
23 #include <testsuite_hooks.h>
24 #include <testsuite_fs.h>
25 
26 namespace fs = std::filesystem;
27 
28 void
test01()29 test01()
30 {
31   const std::error_code bad_ec = make_error_code(std::errc::invalid_argument);
32   std::error_code ec;
33 
34   // Test empty path.
35   bool b = fs::create_directories( "", ec );
36   VERIFY( ec );
37   VERIFY( !b );
38 
39   // Test existing path.
40   ec = bad_ec;
41   b = fs::create_directories( fs::current_path(), ec );
42   VERIFY( !ec );
43   VERIFY( !b );
44 
45   // Test non-existent path.
46   const auto p = __gnu_test::nonexistent_path();
47   ec = bad_ec;
48   b = fs::create_directories( p, ec );
49   VERIFY( !ec );
50   VERIFY( b );
51   VERIFY( is_directory(p) );
52 
53   ec = bad_ec;
54   b = fs::create_directories( p/".", ec );
55   VERIFY( !ec );
56   VERIFY( !b );
57 
58   ec = bad_ec;
59   b = fs::create_directories( p/"..", ec );
60   VERIFY( !ec );
61   VERIFY( !b );
62 
63   ec = bad_ec;
64   b = fs::create_directories( p/"d1/d2/d3", ec );
65   VERIFY( !ec );
66   VERIFY( b );
67   VERIFY( is_directory(p/"d1/d2/d3") );
68 
69   ec = bad_ec;
70   b = fs::create_directories( p/"./d4/../d5", ec );
71   VERIFY( !ec );
72   VERIFY( b );
73 #if defined(__MINGW32__) || defined(__MINGW64__)
74   // create_directories("./d4/..") is a no-op, does not create "d4"
75 #else
76   VERIFY( is_directory(p/"d4") );
77 #endif
78   VERIFY( is_directory(p/"d5") );
79   VERIFY( is_directory(p/"./d4/../d5") );
80 
81   std::uintmax_t count = remove_all(p, ec);
82 #if defined(__MINGW32__) || defined(__MINGW64__)
83   VERIFY( count == 5 );
84 #else
85   VERIFY( count == 6 );
86 #endif
87 }
88 
89 void
test02()90 test02()
91 {
92   // PR libstdc++/86910
93   const auto p = __gnu_test::nonexistent_path();
94   std::error_code ec;
95   bool result;
96 
97   {
98     __gnu_test::scoped_file file;
99 
100     result = create_directories(file.path, ec);
101     VERIFY( !result );
102     VERIFY( ec == std::errc::not_a_directory );
103     ec.clear();
104     result = create_directories(file.path / "foo", ec);
105     VERIFY( !result );
106     VERIFY( ec == std::errc::not_a_directory );
107     ec.clear();
108   }
109 
110   create_directories(p);
111   {
112     __gnu_test::scoped_file dir(p, __gnu_test::scoped_file::adopt_file);
113     __gnu_test::scoped_file file(dir.path/"file");
114 
115     result = create_directories(file.path, ec);
116     VERIFY( !result );
117     VERIFY( ec == std::errc::not_a_directory );
118     ec.clear();
119     result = create_directories(file.path/"../bar", ec);
120 #if defined(__MINGW32__) || defined(__MINGW64__)
121     VERIFY( result );
122     VERIFY( !ec );
123     VERIFY( is_directory(dir.path/"bar") );
124     remove(dir.path/"bar");
125 #else
126     VERIFY( !result );
127     VERIFY( ec == std::errc::not_a_directory );
128     VERIFY( !is_directory(dir.path/"bar") );
129 #endif
130   }
131 }
132 
133 void
test03()134 test03()
135 {
136   // PR libstdc++/87846
137   const auto p = __gnu_test::nonexistent_path() / "";
138   bool result = create_directories(p);
139   VERIFY( result );
140   VERIFY( exists(p) );
141   remove(p);
142   result = create_directories(p/"foo/");
143   VERIFY( result );
144   VERIFY( exists(p) );
145   VERIFY( exists(p/"foo") );
146   remove_all(p);
147 }
148 
149 int
main()150 main()
151 {
152   test01();
153   test02();
154   test03();
155 }
156