//===- llvm/unittest/Support/Path.cpp - Path tests ------------------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #include "llvm/Support/FileSystem.h" #include "llvm/Support/PathV2.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/raw_ostream.h" #include "gtest/gtest.h" using namespace llvm; using namespace llvm::sys; #define ASSERT_NO_ERROR(x) \ if (error_code ASSERT_NO_ERROR_ec = x) { \ SmallString<128> MessageStorage; \ raw_svector_ostream Message(MessageStorage); \ Message << #x ": did not return errc::success.\n" \ << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \ << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \ GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \ } else {} namespace { TEST(Support, Path) { SmallVector paths; paths.push_back(""); paths.push_back("."); paths.push_back(".."); paths.push_back("foo"); paths.push_back("/"); paths.push_back("/foo"); paths.push_back("foo/"); paths.push_back("/foo/"); paths.push_back("foo/bar"); paths.push_back("/foo/bar"); paths.push_back("//net"); paths.push_back("//net/foo"); paths.push_back("///foo///"); paths.push_back("///foo///bar"); paths.push_back("/."); paths.push_back("./"); paths.push_back("/.."); paths.push_back("../"); paths.push_back("foo/."); paths.push_back("foo/.."); paths.push_back("foo/./"); paths.push_back("foo/./bar"); paths.push_back("foo/.."); paths.push_back("foo/../"); paths.push_back("foo/../bar"); paths.push_back("c:"); paths.push_back("c:/"); paths.push_back("c:foo"); paths.push_back("c:/foo"); paths.push_back("c:foo/"); paths.push_back("c:/foo/"); paths.push_back("c:/foo/bar"); paths.push_back("prn:"); paths.push_back("c:\\"); paths.push_back("c:foo"); paths.push_back("c:\\foo"); paths.push_back("c:foo\\"); paths.push_back("c:\\foo\\"); paths.push_back("c:\\foo/"); paths.push_back("c:/foo\\bar"); for (SmallVector::const_iterator i = paths.begin(), e = paths.end(); i != e; ++i) { for (sys::path::const_iterator ci = sys::path::begin(*i), ce = sys::path::end(*i); ci != ce; ++ci) { ASSERT_FALSE(ci->empty()); } #if 0 // Valgrind is whining about this. outs() << " Reverse Iteration: ["; for (sys::path::reverse_iterator ci = sys::path::rbegin(*i), ce = sys::path::rend(*i); ci != ce; ++ci) { outs() << *ci << ','; } outs() << "]\n"; #endif path::has_root_path(*i); path::root_path(*i); path::has_root_name(*i); path::root_name(*i); path::has_root_directory(*i); path::root_directory(*i); path::has_parent_path(*i); path::parent_path(*i); path::has_filename(*i); path::filename(*i); path::has_stem(*i); path::stem(*i); path::has_extension(*i); path::extension(*i); path::is_absolute(*i); path::is_relative(*i); SmallString<128> temp_store; temp_store = *i; ASSERT_NO_ERROR(fs::make_absolute(temp_store)); temp_store = *i; path::remove_filename(temp_store); temp_store = *i; path::replace_extension(temp_store, "ext"); StringRef filename(temp_store.begin(), temp_store.size()), stem, ext; stem = path::stem(filename); ext = path::extension(filename); EXPECT_EQ(*(--sys::path::end(filename)), (stem + ext).str()); path::native(*i, temp_store); } } class FileSystemTest : public testing::Test { protected: /// Unique temporary directory in which all created filesystem entities must /// be placed. It is recursively removed at the end of each test. SmallString<128> TestDirectory; virtual void SetUp() { int fd; ASSERT_NO_ERROR( fs::unique_file("file-system-test-%%-%%-%%-%%/test-directory.anchor", fd, TestDirectory)); // We don't care about this specific file. ::close(fd); TestDirectory = path::parent_path(TestDirectory); errs() << "Test Directory: " << TestDirectory << '\n'; errs().flush(); } virtual void TearDown() { uint32_t removed; ASSERT_NO_ERROR(fs::remove_all(TestDirectory.str(), removed)); } }; TEST_F(FileSystemTest, TempFiles) { // Create a temp file. int FileDescriptor; SmallString<64> TempPath; ASSERT_NO_ERROR( fs::unique_file("%%-%%-%%-%%.temp", FileDescriptor, TempPath)); // Make sure it exists. bool TempFileExists; ASSERT_NO_ERROR(sys::fs::exists(Twine(TempPath), TempFileExists)); EXPECT_TRUE(TempFileExists); // Create another temp tile. int FD2; SmallString<64> TempPath2; ASSERT_NO_ERROR(fs::unique_file("%%-%%-%%-%%.temp", FD2, TempPath2)); ASSERT_NE(TempPath.str(), TempPath2.str()); // Try to copy the first to the second. EXPECT_EQ( fs::copy_file(Twine(TempPath), Twine(TempPath2)), errc::file_exists); ::close(FD2); // Try again with the proper options. ASSERT_NO_ERROR(fs::copy_file(Twine(TempPath), Twine(TempPath2), fs::copy_option::overwrite_if_exists)); // Remove Temp2. ASSERT_NO_ERROR(fs::remove(Twine(TempPath2), TempFileExists)); EXPECT_TRUE(TempFileExists); // Make sure Temp2 doesn't exist. ASSERT_NO_ERROR(fs::exists(Twine(TempPath2), TempFileExists)); EXPECT_FALSE(TempFileExists); // Create a hard link to Temp1. ASSERT_NO_ERROR(fs::create_hard_link(Twine(TempPath), Twine(TempPath2))); bool equal; ASSERT_NO_ERROR(fs::equivalent(Twine(TempPath), Twine(TempPath2), equal)); EXPECT_TRUE(equal); // Remove Temp1. ::close(FileDescriptor); ASSERT_NO_ERROR(fs::remove(Twine(TempPath), TempFileExists)); EXPECT_TRUE(TempFileExists); // Remove the hard link. ASSERT_NO_ERROR(fs::remove(Twine(TempPath2), TempFileExists)); EXPECT_TRUE(TempFileExists); // Make sure Temp1 doesn't exist. ASSERT_NO_ERROR(fs::exists(Twine(TempPath), TempFileExists)); EXPECT_FALSE(TempFileExists); } TEST_F(FileSystemTest, DirectoryIteration) { error_code ec; for (fs::directory_iterator i(".", ec), e; i != e; i.increment(ec)) ASSERT_NO_ERROR(ec); } TEST_F(FileSystemTest, Magic) { struct type { const char *filename; const char *magic_str; size_t magic_str_len; } types [] = {{"magic.archive", "!\x0A", 8}}; // Create some files filled with magic. for (type *i = types, *e = types + (sizeof(types) / sizeof(type)); i != e; ++i) { SmallString<128> file_pathname(TestDirectory); path::append(file_pathname, i->filename); std::string ErrMsg; raw_fd_ostream file(file_pathname.c_str(), ErrMsg, raw_fd_ostream::F_Binary); ASSERT_FALSE(file.has_error()); StringRef magic(i->magic_str, i->magic_str_len); file << magic; file.flush(); bool res = false; ASSERT_NO_ERROR(fs::has_magic(file_pathname.c_str(), magic, res)); EXPECT_TRUE(res); } } } // anonymous namespace