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 // <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 "filesystem_include.hpp" 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 #include "assert_checkpoint.h" 57 #include "verbose_assert.h" 58 59 struct ComparePathExact { 60 bool operator()(std::string const& LHS, std::string const& RHS) const { 61 return LHS == RHS; 62 } 63 }; 64 65 struct PathDecomposeTestcase 66 { 67 std::string raw; 68 std::vector<std::string> elements; 69 std::string root_path; 70 std::string root_name; 71 std::string root_directory; 72 std::string relative_path; 73 std::string parent_path; 74 std::string filename; 75 }; 76 77 const PathDecomposeTestcase PathTestCases[] = 78 { 79 {"", {}, "", "", "", "", "", ""} 80 , {".", {"."}, "", "", "", ".", "", "."} 81 , {"..", {".."}, "", "", "", "..", "", ".."} 82 , {"foo", {"foo"}, "", "", "", "foo", "", "foo"} 83 , {"/", {"/"}, "/", "", "/", "", "/", ""} 84 , {"/foo", {"/", "foo"}, "/", "", "/", "foo", "/", "foo"} 85 , {"foo/", {"foo", ""}, "", "", "", "foo/", "foo", ""} 86 , {"/foo/", {"/", "foo", ""}, "/", "", "/", "foo/", "/foo", ""} 87 , {"foo/bar", {"foo","bar"}, "", "", "", "foo/bar", "foo", "bar"} 88 , {"/foo//bar", {"/","foo","bar"}, "/", "", "/", "foo/bar", "/foo", "bar"} 89 , {"//net", {"/", "net"}, "/", "", "/", "net", "/", "net"} 90 , {"//net/foo", {"/", "net", "foo"}, "/", "", "/", "net/foo", "/net", "foo"} 91 , {"///foo///", {"/", "foo", ""}, "/", "", "/", "foo///", "///foo", ""} 92 , {"///foo///bar", {"/", "foo", "bar"}, "/", "", "/", "foo///bar", "///foo", "bar"} 93 , {"/.", {"/", "."}, "/", "", "/", ".", "/", "."} 94 , {"./", {".", ""}, "", "", "", "./", ".", ""} 95 , {"/..", {"/", ".."}, "/", "", "/", "..", "/", ".."} 96 , {"../", {"..", ""}, "", "", "", "../", "..", ""} 97 , {"foo/.", {"foo", "."}, "", "", "", "foo/.", "foo", "."} 98 , {"foo/..", {"foo", ".."}, "", "", "", "foo/..", "foo", ".."} 99 , {"foo/./", {"foo", ".", ""}, "", "", "", "foo/./", "foo/.", ""} 100 , {"foo/./bar", {"foo", ".", "bar"}, "", "", "", "foo/./bar", "foo/.", "bar"} 101 , {"foo/../", {"foo", "..", ""}, "", "", "", "foo/../", "foo/..", ""} 102 , {"foo/../bar", {"foo", "..", "bar"}, "", "", "", "foo/../bar", "foo/..", "bar"} 103 , {"c:", {"c:"}, "", "", "", "c:", "", "c:"} 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 , {"prn:", {"prn:"}, "", "", "", "prn:", "", "prn:"} 111 , {"c:\\", {"c:\\"}, "", "", "", "c:\\", "", "c:\\"} 112 , {"c:\\foo", {"c:\\foo"}, "", "", "", "c:\\foo", "", "c:\\foo"} 113 , {"c:foo\\", {"c:foo\\"}, "", "", "", "c:foo\\", "", "c:foo\\"} 114 , {"c:\\foo\\", {"c:\\foo\\"}, "", "", "", "c:\\foo\\", "", "c:\\foo\\"} 115 , {"c:\\foo/", {"c:\\foo", ""}, "", "", "", "c:\\foo/", "c:\\foo", ""} 116 , {"c:/foo\\bar", {"c:", "foo\\bar"}, "", "", "", "c:/foo\\bar", "c:", "foo\\bar"} 117 , {"//", {"/"}, "/", "", "/", "", "/", ""} 118 }; 119 120 void decompPathTest() 121 { 122 using namespace fs; 123 for (auto const & TC : PathTestCases) { 124 CHECKPOINT(TC.raw.c_str()); 125 fs::path p(TC.raw); 126 ASSERT(p == TC.raw); 127 128 ASSERT_EQ(p.root_path(), TC.root_path); 129 ASSERT_NEQ(p.has_root_path(), TC.root_path.empty()); 130 131 ASSERT(p.root_name().native().empty()) 132 << DISPLAY(p.root_name()); 133 ASSERT_EQ(p.root_name(),TC.root_name); 134 ASSERT_NEQ(p.has_root_name(), TC.root_name.empty()); 135 136 ASSERT_EQ(p.root_directory(), TC.root_directory); 137 ASSERT_NEQ(p.has_root_directory(), TC.root_directory.empty()); 138 139 ASSERT_EQ(p.relative_path(), TC.relative_path); 140 ASSERT_NEQ(p.has_relative_path(), TC.relative_path.empty()); 141 142 ASSERT_EQ(p.parent_path(), TC.parent_path); 143 ASSERT_NEQ(p.has_parent_path(), TC.parent_path.empty()); 144 145 ASSERT_EQ(p.filename(), TC.filename); 146 ASSERT_NEQ(p.has_filename(), TC.filename.empty()); 147 148 ASSERT_EQ(p.is_absolute(), p.has_root_directory()); 149 ASSERT_NEQ(p.is_relative(), p.is_absolute()); 150 if (p.empty()) 151 ASSERT(p.is_relative()); 152 153 ASSERT_COLLECTION_EQ_COMP( 154 p.begin(), p.end(), 155 TC.elements.begin(), TC.elements.end(), 156 ComparePathExact() 157 ); 158 // check backwards 159 160 std::vector<fs::path> Parts; 161 for (auto it = p.end(); it != p.begin(); ) 162 Parts.push_back(*--it); 163 ASSERT_COLLECTION_EQ_COMP(Parts.begin(), Parts.end(), 164 TC.elements.rbegin(), TC.elements.rend(), 165 ComparePathExact()); 166 } 167 } 168 169 170 struct FilenameDecompTestcase 171 { 172 std::string raw; 173 std::string filename; 174 std::string stem; 175 std::string extension; 176 }; 177 178 const FilenameDecompTestcase FilenameTestCases[] = 179 { 180 {"", "", "", ""} 181 , {".", ".", ".", ""} 182 , {"..", "..", "..", ""} 183 , {"/", "", "", ""} 184 , {"foo", "foo", "foo", ""} 185 , {"/foo/bar.txt", "bar.txt", "bar", ".txt"} 186 , {"foo..txt", "foo..txt", "foo.", ".txt"} 187 , {".profile", ".profile", ".profile", ""} 188 , {".profile.txt", ".profile.txt", ".profile", ".txt"} 189 }; 190 191 192 void decompFilenameTest() 193 { 194 using namespace fs; 195 for (auto const & TC : FilenameTestCases) { 196 CHECKPOINT(TC.raw.c_str()); 197 fs::path p(TC.raw); 198 ASSERT_EQ(p, TC.raw); 199 ASSERT_NOEXCEPT(p.empty()); 200 201 ASSERT_EQ(p.filename(), TC.filename); 202 ASSERT_NEQ(p.has_filename(), TC.filename.empty()); 203 204 ASSERT_EQ(p.stem(), TC.stem); 205 ASSERT_NEQ(p.has_stem(), TC.stem.empty()); 206 207 ASSERT_EQ(p.extension(), TC.extension); 208 ASSERT_NEQ(p.has_extension(), TC.extension.empty()); 209 } 210 } 211 212 int main() 213 { 214 decompPathTest(); 215 decompFilenameTest(); 216 } 217