Eric Fiselier | 1e34c76 | 2018-04-02 23:03:41 +0000 | [diff] [blame^] | 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 lexically_normal() const; |
| 17 | |
| 18 | #include "filesystem_include.hpp" |
| 19 | #include <type_traits> |
| 20 | #include <vector> |
| 21 | #include <iostream> |
| 22 | #include <cassert> |
| 23 | |
| 24 | #include "test_macros.h" |
| 25 | #include "test_iterators.h" |
| 26 | #include "count_new.hpp" |
| 27 | #include "filesystem_test_helper.hpp" |
| 28 | |
| 29 | |
| 30 | int main() { |
| 31 | // clang-format off |
| 32 | struct { |
| 33 | std::string input; |
| 34 | std::string expect; |
| 35 | } TestCases[] = { |
| 36 | {"", ""}, |
| 37 | {"/a/b/c", "/a/b/c"}, |
| 38 | {"/a/b//c", "/a/b/c"}, |
| 39 | {"foo/./bar/..", "foo/"}, |
| 40 | {"foo/.///bar/../", "foo/"}, |
| 41 | {"/a/b/", "/a/b/"}, |
| 42 | {"a/b", "a/b"}, |
| 43 | {"a/b/.", "a/b/"}, |
| 44 | {"a/b/./", "a/b/"}, |
| 45 | {"a/..", "."}, |
| 46 | {".", "."}, |
| 47 | {"./", "."}, |
| 48 | {"./.", "."}, |
| 49 | {"./..", ".."}, |
| 50 | {"..", ".."}, |
| 51 | {"../..", "../.."}, |
| 52 | {"/../", "/"}, |
| 53 | {"/../..", "/"}, |
| 54 | {"/../../", "/"}, |
| 55 | {"..", ".."}, |
| 56 | {"../", ".."}, |
| 57 | {"/a/b/c/../", "/a/b/"}, |
| 58 | {"/a/b/./", "/a/b/"}, |
| 59 | {"/a/b/c/../d", "/a/b/d"}, |
| 60 | {"/a/b/c/../d/", "/a/b/d/"}, |
| 61 | {"//a/", "/a/"}, |
| 62 | {"//a/b/", "/a/b/"}, |
| 63 | {"//a/b/.", "/a/b/"}, |
| 64 | {"//a/..", "/"}, |
| 65 | ///===---------------------------------------------------------------===// |
| 66 | /// Tests specifically for the clauses under [fs.path.generic]p6 |
| 67 | ///===---------------------------------------------------------------===// |
| 68 | // p1: If the path is empty, stop. |
| 69 | {"", ""}, |
| 70 | // p2: Replace each slash character in the root-name with a preferred |
| 71 | // separator. |
| 72 | {"NO_ROOT_NAME_ON_LINUX", "NO_ROOT_NAME_ON_LINUX"}, |
| 73 | // p3: Replace each directory-separator with a preferred-separator. |
| 74 | // [ Note: The generic pathname grammar ([fs.path.generic]) defines |
| 75 | // directory-separator as one or more slashes and preferred-separators. |
| 76 | // — end note ] |
| 77 | {"/", "/"}, |
| 78 | {"//", "/"}, |
| 79 | {"///", "/"}, |
| 80 | {"a/b", "a/b"}, |
| 81 | {"a//b", "a/b"}, |
| 82 | {"a///b", "a/b"}, |
| 83 | {"a/b/", "a/b/"}, |
| 84 | {"a/b//", "a/b/"}, |
| 85 | {"a/b///", "a/b/"}, |
| 86 | {"///a////b//////", "/a/b/"}, |
| 87 | // p4: Remove each dot filename and any immediately following directory |
| 88 | // separators |
| 89 | {"foo/.", "foo/"}, |
| 90 | {"foo/./bar/.", "foo/bar/"}, |
| 91 | {"./foo/././bar/./", "foo/bar/"}, |
| 92 | {".///foo//.////./bar/.///", "foo/bar/"}, |
| 93 | // p5: As long as any appear, remove a non-dot-dot filename immediately |
| 94 | // followed by a directory-separator and a dot-dot filename, along with |
| 95 | // any immediately following directory separator. |
| 96 | {"foo/..", "."}, |
| 97 | {"foo/../", "."}, |
| 98 | {"foo/bar/..", "foo/"}, |
| 99 | {"foo/bar/../", "foo/"}, |
| 100 | {"foo/bar/../..", "."}, |
| 101 | {"foo/bar/../../", "."}, |
| 102 | {"foo/bar/baz/../..", "foo/"}, |
| 103 | {"foo/bar/baz/../../", "foo/"}, |
| 104 | {"foo/bar/./..", "foo/"}, |
| 105 | {"foo/bar/./../", "foo/"}, |
| 106 | // p6: If there is a root-directory, remove all dot-dot filenames and any |
| 107 | // directory-separators immediately following them. [ Note: These dot-dot |
| 108 | // filenames attempt to refer to nonexistent parent directories. — end note ] |
| 109 | {"/..", "/"}, |
| 110 | {"/../", "/"}, |
| 111 | {"/foo/../..", "/"}, |
| 112 | {"/../foo", "/foo"}, |
| 113 | {"/../foo/../..", "/"}, |
| 114 | // p7: If the last filename is dot-dot, remove any trailing |
| 115 | // directory-separator. |
| 116 | {"../", ".."}, |
| 117 | {"../../", "../.."}, |
| 118 | {"foo/../bar/../..///", ".."}, |
| 119 | {"foo/../bar/..//..///../", "../.."}, |
| 120 | // p8: If the path is empty, add a dot |
| 121 | {".", "."}, |
| 122 | {"./", "."}, |
| 123 | {"foo/..", "."} |
| 124 | }; |
| 125 | // clang-format on |
| 126 | int ID = 0; |
| 127 | bool Failed = false; |
| 128 | for (auto& TC : TestCases) { |
| 129 | ++ID; |
| 130 | fs::path p(TC.input); |
| 131 | const fs::path output = p.lexically_normal(); |
| 132 | if (!PathEq(output, TC.expect)) { |
| 133 | Failed = true; |
| 134 | std::cerr << "TEST CASE #" << ID << " FAILED: \n"; |
| 135 | std::cerr << " Input: '" << TC.input << "'\n"; |
| 136 | std::cerr << " Expected: '" << TC.expect << "'\n"; |
| 137 | std::cerr << " Output: '" << output.native() << "'"; |
| 138 | std::cerr << std::endl; |
| 139 | } |
| 140 | } |
| 141 | return Failed; |
| 142 | } |