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8d9254fc | 1 | // Copyright (C) 2017-2020 Free Software Foundation, Inc. |
641cb5a6 JW |
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 | ||
2b522535 | 18 | // { dg-options "-std=gnu++17" } |
641cb5a6 | 19 | // { dg-do run { target c++17 } } |
641cb5a6 JW |
20 | |
21 | #include <filesystem> | |
eeb517d3 | 22 | #include <testsuite_fs.h> |
641cb5a6 JW |
23 | #include <testsuite_hooks.h> |
24 | ||
25 | using std::filesystem::path; | |
dd35da2c JW |
26 | |
27 | void | |
28 | compare_paths(path p, std::string expected) | |
29 | { | |
30 | #if defined(_WIN32) && !defined(__CYGWIN__) | |
31 | for (auto& c : expected) | |
32 | if (c == '/') | |
33 | c = '\\'; | |
34 | #endif | |
35 | __gnu_test::compare_paths(p, expected); | |
36 | } | |
641cb5a6 JW |
37 | |
38 | void | |
39 | test01() | |
40 | { | |
41 | // C++17 [fs.path.gen] p2 | |
eeb517d3 JW |
42 | compare_paths( path("foo/./bar/..").lexically_normal(), "foo/" ); |
43 | compare_paths( path("foo/.///bar/../").lexically_normal(), "foo/" ); | |
641cb5a6 JW |
44 | } |
45 | ||
46 | void | |
47 | test02() | |
48 | { | |
eeb517d3 JW |
49 | compare_paths( path("foo/../bar").lexically_normal(), "bar" ); |
50 | compare_paths( path("../foo/../bar").lexically_normal(), "../bar" ); | |
51 | compare_paths( path("foo/../").lexically_normal(), "." ); | |
52 | compare_paths( path("../../").lexically_normal(), "../.." ); | |
53 | compare_paths( path("../").lexically_normal(), ".." ); | |
54 | compare_paths( path("./").lexically_normal(), "." ); | |
55 | compare_paths( path().lexically_normal(), "" ); | |
56 | ||
57 | compare_paths( path("/..").lexically_normal(), "/" ); | |
50e248f0 JW |
58 | |
59 | // PR libstdc++/82777 | |
60 | compare_paths( path("./a/b/c/../.././b/c").lexically_normal(), "a/b/c" ); | |
61 | compare_paths( path("/a/b/c/../.././b/c").lexically_normal(), "/a/b/c" ); | |
eeb517d3 JW |
62 | } |
63 | ||
64 | void | |
65 | test03() | |
66 | { | |
67 | struct | |
68 | { | |
69 | const char* input; | |
70 | const char* normalized; | |
71 | } testcases[] = { | |
72 | {"" , "" }, | |
73 | {"." , "." }, | |
74 | {".." , ".." }, | |
75 | {"/" , "/" }, | |
76 | {"//" , "//" }, | |
77 | ||
78 | {"/foo" , "/foo" }, | |
79 | {"/foo/" , "/foo/" }, | |
80 | {"/foo/." , "/foo/" }, | |
eeb517d3 | 81 | {"/foo/.." , "/" }, |
dd35da2c JW |
82 | {"/foo/../.." , "/" }, |
83 | {"/foo/bar/.." , "/foo/" }, | |
84 | {"/foo/bar/../.." , "/" }, | |
85 | {"/foo/bar/baz/../../.." , "/" }, // PR libstdc++/87116 | |
eeb517d3 JW |
86 | |
87 | {"/." , "/" }, | |
88 | {"/./" , "/" }, | |
89 | {"/./." , "/" }, | |
90 | {"/././" , "/" }, | |
91 | {"/././." , "/" }, | |
92 | ||
93 | {"./" , "." }, | |
94 | {"./." , "." }, | |
95 | {"././" , "." }, | |
96 | {"././." , "." }, | |
97 | {"./././" , "." }, | |
98 | {"./././." , "." }, | |
99 | ||
100 | {"foo/.." , "." }, | |
101 | {"foo/../" , "." }, | |
102 | {"foo/../.." , ".." }, | |
dd35da2c | 103 | {"foo/../../..", "../.." }, |
eeb517d3 JW |
104 | |
105 | // with root name (OS-dependent): | |
106 | #if defined(_WIN32) && !defined(__CYGWIN__) | |
dd35da2c | 107 | {"C:bar/.." , "C:" }, |
eeb517d3 JW |
108 | #else |
109 | {"C:bar/.." , "." }, | |
110 | #endif | |
111 | {"C:/bar/.." , "C:/" }, | |
112 | {"C:" , "C:" }, | |
113 | #ifdef __CYGWIN__ | |
114 | {"//host/bar/.." , "//host/" }, | |
115 | {"//host" , "//host" }, | |
116 | #else | |
117 | {"//host/bar/.." , "/host/" }, | |
118 | {"//host" , "/host" }, | |
119 | #endif | |
120 | ||
121 | // a few others: | |
122 | {"foo/../foo/.." , "." }, | |
123 | {"foo/../foo/../.." , ".." }, | |
124 | {"../foo/../foo/.." , ".." }, | |
125 | {"../.f/../f" , "../f" }, | |
126 | {"../f/../.f" , "../.f" }, | |
73d968d9 JW |
127 | {"../.." , "../.." }, |
128 | {"../../." , "../.." }, | |
eeb517d3 JW |
129 | {".././../." , "../.." }, |
130 | {".././.././" , "../.." }, | |
131 | {"/.." , "/" }, | |
132 | }; | |
133 | for (auto& test : testcases) | |
134 | compare_paths( path(test.input).lexically_normal(), test.normalized ); | |
641cb5a6 JW |
135 | } |
136 | ||
dd35da2c JW |
137 | void |
138 | test04() | |
139 | { | |
140 | // PR libstdc++/87116 | |
141 | path p = "a/b/c"; | |
142 | compare_paths( (p/"../..").lexically_normal(), "a/" ); | |
143 | ||
144 | p = "a/b/c/d/e"; | |
145 | compare_paths( (p/"..").lexically_normal(), "a/b/c/d/" ); | |
146 | compare_paths( (p/"../..").lexically_normal(), "a/b/c/" ); | |
147 | compare_paths( (p/"../../..").lexically_normal(), "a/b/" ); | |
148 | compare_paths( (p/"../../../..").lexically_normal(), "a/" ); | |
149 | compare_paths( (p/"../../../../..").lexically_normal(), "." ); | |
150 | compare_paths( (p/"../../../../../..").lexically_normal(), ".." ); | |
151 | ||
152 | p = "/a/b/c/d/e"; | |
153 | compare_paths( (p/"..").lexically_normal(), "/a/b/c/d/" ); | |
154 | compare_paths( (p/"../..").lexically_normal(), "/a/b/c/" ); | |
155 | compare_paths( (p/"../../..").lexically_normal(), "/a/b/" ); | |
156 | compare_paths( (p/"../../../..").lexically_normal(), "/a/" ); | |
157 | compare_paths( (p/"../../../../..").lexically_normal(), "/" ); | |
158 | compare_paths( (p/"../../../../../..").lexically_normal(), "/" ); | |
159 | ||
160 | #if defined(_WIN32) && !defined(__CYGWIN__) | |
161 | p = "A:b/c/d/e"; | |
162 | compare_paths( (p/"..").lexically_normal(), "A:b/c/d/" ); | |
163 | compare_paths( (p/"../..").lexically_normal(), "A:b/c/" ); | |
164 | compare_paths( (p/"../../..").lexically_normal(), "A:b/" ); | |
165 | compare_paths( (p/"../../../..").lexically_normal(), "A:" ); | |
166 | compare_paths( (p/"../../../../..").lexically_normal(), "A:.." ); | |
167 | compare_paths( (p/"../../../../../..").lexically_normal(), "A:../.." ); | |
168 | ||
169 | p = "A:/b/c/d/e"; | |
170 | compare_paths( (p/"..").lexically_normal(), "A:/b/c/d/" ); | |
171 | compare_paths( (p/"../..").lexically_normal(), "A:/b/c/" ); | |
172 | compare_paths( (p/"../../..").lexically_normal(), "A:/b/" ); | |
173 | compare_paths( (p/"../../../..").lexically_normal(), "A:/" ); | |
174 | compare_paths( (p/"../../../../..").lexically_normal(), "A:/" ); | |
175 | compare_paths( (p/"../../../../../..").lexically_normal(), "A:/" ); | |
176 | #endif | |
177 | } | |
178 | ||
641cb5a6 JW |
179 | int |
180 | main() | |
181 | { | |
182 | test01(); | |
183 | test02(); | |
eeb517d3 | 184 | test03(); |
dd35da2c | 185 | test04(); |
641cb5a6 | 186 | } |