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 // 8.4.9 path decomposition [path.decompose] 17 //------------------------------------------ 18 // path root_name() const; 19 // path root_directory() const; 20 // path root_path() const; 21 // path relative_path() const; 22 // path parent_path() const; 23 // path filename() const; 24 // path stem() const; 25 // path extension() const; 26 //------------------------------- 27 // 8.4.10 path query [path.query] 28 //------------------------------- 29 // bool empty() const noexcept; 30 // bool has_root_path() const; 31 // bool has_root_name() const; 32 // bool has_root_directory() const; 33 // bool has_relative_path() const; 34 // bool has_parent_path() const; 35 // bool has_filename() const; 36 // bool has_stem() const; 37 // bool has_extension() const; 38 // bool is_absolute() const; 39 // bool is_relative() const; 40 //------------------------------- 41 // 8.5 path iterators [path.itr] 42 //------------------------------- 43 // iterator begin() const; 44 // iterator end() const; 45 46 47 #include <experimental/filesystem> 48 #include <type_traits> 49 #include <vector> 50 #include <cassert> 51 52 #include "test_macros.h" 53 #include "test_iterators.h" 54 #include "count_new.hpp" 55 #include "filesystem_test_helper.hpp" 56 57 namespace fs = std::experimental::filesystem; 58 struct PathDecomposeTestcase 59 { 60 std::string raw; 61 std::vector<std::string> elements; 62 std::string root_path; 63 std::string root_name; 64 std::string root_directory; 65 std::string relative_path; 66 std::string parent_path; 67 std::string filename; 68 }; 69 70 const PathDecomposeTestcase PathTestCases[] = 71 { 72 {"", {}, "", "", "", "", "", ""} 73 , {".", {"."}, "", "", "", ".", "", "."} 74 , {"..", {".."}, "", "", "", "..", "", ".."} 75 , {"foo", {"foo"}, "", "", "", "foo", "", "foo"} 76 , {"/", {"/"}, "/", "", "/", "", "", "/"} 77 , {"/foo", {"/", "foo"}, "/", "", "/", "foo", "/", "foo"} 78 , {"foo/", {"foo", "."}, "", "", "", "foo/", "foo", "."} 79 , {"/foo/", {"/", "foo", "."}, "/", "", "/", "foo/", "/foo", "."} 80 , {"foo/bar", {"foo","bar"}, "", "", "", "foo/bar", "foo", "bar"} 81 , {"/foo//bar", {"/","foo","bar"}, "/", "", "/", "foo/bar", "/foo", "bar"} 82 , {"//net", {"//net"}, "//net", "//net", "", "", "", "//net"} 83 , {"//net/foo", {"//net", "/", "foo"}, "//net/", "//net", "/", "foo", "//net/", "foo"} 84 , {"///foo///", {"/", "foo", "."}, "/", "", "/", "foo///", "///foo", "."} 85 , {"///foo///bar", {"/", "foo", "bar"}, "/", "", "/", "foo///bar", "///foo", "bar"} 86 , {"/.", {"/", "."}, "/", "", "/", ".", "/", "."} 87 , {"./", {".", "."}, "", "", "", "./", ".", "."} 88 , {"/..", {"/", ".."}, "/", "", "/", "..", "/", ".."} 89 , {"../", {"..", "."}, "", "", "", "../", "..", "."} 90 , {"foo/.", {"foo", "."}, "", "", "", "foo/.", "foo", "."} 91 , {"foo/..", {"foo", ".."}, "", "", "", "foo/..", "foo", ".."} 92 , {"foo/./", {"foo", ".", "."}, "", "", "", "foo/./", "foo/.", "."} 93 , {"foo/./bar", {"foo", ".", "bar"}, "", "", "", "foo/./bar", "foo/.", "bar"} 94 , {"foo/../", {"foo", "..", "."}, "", "", "", "foo/../", "foo/..", "."} 95 , {"foo/../bar", {"foo", "..", "bar"}, "", "", "", "foo/../bar", "foo/..", "bar"} 96 , {"c:", {"c:"}, "", "", "", "c:", "", "c:"} 97 , {"c:/", {"c:", "."}, "", "", "", "c:/", "c:", "."} 98 , {"c:foo", {"c:foo"}, "", "", "", "c:foo", "", "c:foo"} 99 , {"c:/foo", {"c:", "foo"}, "", "", "", "c:/foo", "c:", "foo"} 100 , {"c:foo/", {"c:foo", "."}, "", "", "", "c:foo/", "c:foo", "."} 101 , {"c:/foo/", {"c:", "foo", "."}, "", "", "", "c:/foo/", "c:/foo", "."} 102 , {"c:/foo/bar", {"c:", "foo", "bar"}, "", "", "", "c:/foo/bar", "c:/foo", "bar"} 103 , {"prn:", {"prn:"}, "", "", "", "prn:", "", "prn:"} 104 , {"c:\\", {"c:\\"}, "", "", "", "c:\\", "", "c:\\"} 105 , {"c:\\foo", {"c:\\foo"}, "", "", "", "c:\\foo", "", "c:\\foo"} 106 , {"c:foo\\", {"c:foo\\"}, "", "", "", "c:foo\\", "", "c:foo\\"} 107 , {"c:\\foo\\", {"c:\\foo\\"}, "", "", "", "c:\\foo\\", "", "c:\\foo\\"} 108 , {"c:\\foo/", {"c:\\foo", "."}, "", "", "", "c:\\foo/", "c:\\foo", "."} 109 , {"c:/foo\\bar", {"c:", "foo\\bar"}, "", "", "", "c:/foo\\bar", "c:", "foo\\bar"} 110 , {"//", {"//"}, "//", "//", "", "", "", "//"} 111 }; 112 113 void decompPathTest() 114 { 115 using namespace fs; 116 for (auto const & TC : PathTestCases) { 117 path p(TC.raw); 118 assert(p == TC.raw); 119 120 assert(p.root_path() == TC.root_path); 121 assert(p.has_root_path() != TC.root_path.empty()); 122 123 assert(p.root_name() == TC.root_name); 124 assert(p.has_root_name() != TC.root_name.empty()); 125 126 assert(p.root_directory() == TC.root_directory); 127 assert(p.has_root_directory() != TC.root_directory.empty()); 128 129 assert(p.relative_path() == TC.relative_path); 130 assert(p.has_relative_path() != TC.relative_path.empty()); 131 132 assert(p.parent_path() == TC.parent_path); 133 assert(p.has_parent_path() != TC.parent_path.empty()); 134 135 assert(p.filename() == TC.filename); 136 assert(p.has_filename() != TC.filename.empty()); 137 138 assert(p.is_absolute() == p.has_root_directory()); 139 assert(p.is_relative() != p.is_absolute()); 140 141 assert(checkCollectionsEqual(p.begin(), p.end(), 142 TC.elements.begin(), TC.elements.end())); 143 // check backwards 144 145 std::vector<fs::path> Parts; 146 for (auto it = p.end(); it != p.begin(); ) 147 Parts.push_back(*--it); 148 assert(checkCollectionsEqual(Parts.begin(), Parts.end(), 149 TC.elements.rbegin(), TC.elements.rend())); 150 } 151 } 152 153 154 struct FilenameDecompTestcase 155 { 156 std::string raw; 157 std::string filename; 158 std::string stem; 159 std::string extension; 160 }; 161 162 const FilenameDecompTestcase FilenameTestCases[] = 163 { 164 {"", "", "", ""} 165 , {".", ".", ".", ""} 166 , {"..", "..", "..", ""} 167 , {"/", "/", "/", ""} 168 , {"foo", "foo", "foo", ""} 169 , {"/foo/bar.txt", "bar.txt", "bar", ".txt"} 170 , {"foo..txt", "foo..txt", "foo.", ".txt"} 171 }; 172 173 174 void decompFilenameTest() 175 { 176 using namespace fs; 177 for (auto const & TC : FilenameTestCases) { 178 path p(TC.raw); 179 assert(p == TC.raw); 180 181 assert(p.filename() == TC.filename); 182 assert(p.has_filename() != TC.filename.empty()); 183 184 assert(p.stem() == TC.stem); 185 assert(p.has_stem() != TC.stem.empty()); 186 187 assert(p.extension() == TC.extension); 188 assert(p.has_extension() != TC.extension.empty()); 189 } 190 } 191 192 int main() 193 { 194 decompPathTest(); 195 decompFilenameTest(); 196 } 197