1 //===- llvm/unittest/Support/Path.cpp - Path tests ------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/Support/FileSystem.h" 11 #include "llvm/Support/PathV2.h" 12 #include "llvm/Support/ErrorHandling.h" 13 14 #include "gtest/gtest.h" 15 16 using namespace llvm; 17 using namespace llvm::sys; 18 19 namespace { 20 21 TEST(Support, Path) { 22 SmallVector<StringRef, 40> paths; 23 paths.push_back(""); 24 paths.push_back("."); 25 paths.push_back(".."); 26 paths.push_back("foo"); 27 paths.push_back("/"); 28 paths.push_back("/foo"); 29 paths.push_back("foo/"); 30 paths.push_back("/foo/"); 31 paths.push_back("foo/bar"); 32 paths.push_back("/foo/bar"); 33 paths.push_back("//net"); 34 paths.push_back("//net/foo"); 35 paths.push_back("///foo///"); 36 paths.push_back("///foo///bar"); 37 paths.push_back("/."); 38 paths.push_back("./"); 39 paths.push_back("/.."); 40 paths.push_back("../"); 41 paths.push_back("foo/."); 42 paths.push_back("foo/.."); 43 paths.push_back("foo/./"); 44 paths.push_back("foo/./bar"); 45 paths.push_back("foo/.."); 46 paths.push_back("foo/../"); 47 paths.push_back("foo/../bar"); 48 paths.push_back("c:"); 49 paths.push_back("c:/"); 50 paths.push_back("c:foo"); 51 paths.push_back("c:/foo"); 52 paths.push_back("c:foo/"); 53 paths.push_back("c:/foo/"); 54 paths.push_back("c:/foo/bar"); 55 paths.push_back("prn:"); 56 paths.push_back("c:\\"); 57 paths.push_back("c:foo"); 58 paths.push_back("c:\\foo"); 59 paths.push_back("c:foo\\"); 60 paths.push_back("c:\\foo\\"); 61 paths.push_back("c:\\foo/"); 62 paths.push_back("c:/foo\\bar"); 63 64 for (SmallVector<StringRef, 40>::const_iterator i = paths.begin(), 65 e = paths.end(); 66 i != e; 67 ++i) { 68 for (sys::path::const_iterator ci = sys::path::begin(*i), 69 ce = sys::path::end(*i); 70 ci != ce; 71 ++ci) { 72 ASSERT_FALSE(ci->empty()); 73 } 74 75 #if 0 // Valgrind is whining about this. 76 outs() << " Reverse Iteration: ["; 77 for (sys::path::reverse_iterator ci = sys::path::rbegin(*i), 78 ce = sys::path::rend(*i); 79 ci != ce; 80 ++ci) { 81 outs() << *ci << ','; 82 } 83 outs() << "]\n"; 84 #endif 85 86 path::has_root_path(*i); 87 path::root_path(*i); 88 path::has_root_name(*i); 89 path::root_name(*i); 90 path::has_root_directory(*i); 91 path::root_directory(*i); 92 path::has_parent_path(*i); 93 path::parent_path(*i); 94 path::has_filename(*i); 95 path::filename(*i); 96 path::has_stem(*i); 97 path::stem(*i); 98 path::has_extension(*i); 99 path::extension(*i); 100 path::is_absolute(*i); 101 path::is_relative(*i); 102 103 SmallString<16> temp_store; 104 temp_store = *i; 105 ASSERT_FALSE(fs::make_absolute(temp_store)); 106 temp_store = *i; 107 path::remove_filename(temp_store); 108 109 temp_store = *i; 110 path::replace_extension(temp_store, "ext"); 111 StringRef filename(temp_store.begin(), temp_store.size()), stem, ext; 112 stem = path::stem(filename); 113 ext = path::extension(filename); 114 EXPECT_EQ(*(--sys::path::end(filename)), (stem + ext).str()); 115 116 path::native(*i, temp_store); 117 118 outs().flush(); 119 } 120 121 // Create a temp file. 122 int FileDescriptor; 123 SmallString<64> TempPath; 124 ASSERT_FALSE(fs::unique_file("%%-%%-%%-%%.temp", FileDescriptor, TempPath)); 125 126 // Make sure it exists. 127 bool TempFileExists; 128 ASSERT_FALSE(sys::fs::exists(Twine(TempPath), TempFileExists)); 129 EXPECT_TRUE(TempFileExists); 130 131 // Create another temp tile. 132 int FD2; 133 SmallString<64> TempPath2; 134 ASSERT_FALSE(fs::unique_file("%%-%%-%%-%%.temp", FD2, TempPath2)); 135 ASSERT_NE(TempPath.str(), TempPath2.str()); 136 137 // Try to copy the first to the second. 138 EXPECT_EQ(fs::copy_file(Twine(TempPath), Twine(TempPath2)), errc::file_exists); 139 140 ::close(FD2); 141 // Try again with the proper options. 142 ASSERT_FALSE(fs::copy_file(Twine(TempPath), Twine(TempPath2), 143 fs::copy_option::overwrite_if_exists)); 144 // Remove Temp2. 145 ASSERT_FALSE(fs::remove(Twine(TempPath2), TempFileExists)); 146 EXPECT_TRUE(TempFileExists); 147 148 // Make sure Temp2 doesn't exist. 149 ASSERT_FALSE(fs::exists(Twine(TempPath2), TempFileExists)); 150 EXPECT_FALSE(TempFileExists); 151 152 // Create a hard link to Temp1. 153 ASSERT_FALSE(fs::create_hard_link(Twine(TempPath), Twine(TempPath2))); 154 bool equal; 155 ASSERT_FALSE(fs::equivalent(Twine(TempPath), Twine(TempPath2), equal)); 156 EXPECT_TRUE(equal); 157 158 // Remove Temp1. 159 ::close(FileDescriptor); 160 ASSERT_FALSE(fs::remove(Twine(TempPath), TempFileExists)); 161 EXPECT_TRUE(TempFileExists); 162 163 // Remove the hard link. 164 ASSERT_FALSE(fs::remove(Twine(TempPath2), TempFileExists)); 165 EXPECT_TRUE(TempFileExists); 166 167 // Make sure Temp1 doesn't exist. 168 ASSERT_FALSE(fs::exists(Twine(TempPath), TempFileExists)); 169 EXPECT_FALSE(TempFileExists); 170 171 // I've yet to do directory iteration on Unix. 172 #ifdef LLVM_ON_WIN32 173 error_code ec; 174 for (fs::directory_iterator i(".", ec), e; i != e; i.increment(ec)) { 175 if (ec) { 176 errs() << ec.message() << '\n'; 177 errs().flush(); 178 report_fatal_error("Directory iteration failed!"); 179 } 180 } 181 #endif 182 } 183 184 } // anonymous namespace 185