//===----------------------------------------------------------------------===//
#include "llvm/Support/Path.h"
+#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FileSystem.h"
#include "gtest/gtest.h"
#ifdef LLVM_ON_WIN32
+#include <windows.h>
#include <winerror.h>
#endif
+#ifdef LLVM_ON_UNIX
+#include <sys/stat.h>
+#endif
+
using namespace llvm;
using namespace llvm::sys;
path::native(*i, temp_store);
}
+
+ SmallString<32> Relative("foo.cpp");
+ ASSERT_NO_ERROR(sys::fs::make_absolute("/root", Relative));
+ Relative[5] = '/'; // Fix up windows paths.
+ ASSERT_EQ("/root/foo.cpp", Relative);
}
TEST(Support, RelativePathIterator) {
PathComponents ExpectedPathComponents;
PathComponents ActualPathComponents;
- StringRef(Path).split(ExpectedPathComponents, "/");
+ StringRef(Path).split(ExpectedPathComponents, '/');
+
+ for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
+ ++I) {
+ ActualPathComponents.push_back(*I);
+ }
+
+ ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
+
+ for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
+ EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
+ }
+}
+
+TEST(Support, RelativePathDotIterator) {
+ SmallString<64> Path(StringRef(".c/.d/../."));
+ typedef SmallVector<StringRef, 4> PathComponents;
+ PathComponents ExpectedPathComponents;
+ PathComponents ActualPathComponents;
+
+ StringRef(Path).split(ExpectedPathComponents, '/');
for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
++I) {
PathComponents ExpectedPathComponents;
PathComponents ActualPathComponents;
- StringRef(Path).split(ExpectedPathComponents, "/");
+ StringRef(Path).split(ExpectedPathComponents, '/');
+
+ // The root path will also be a component when iterating
+ ExpectedPathComponents[0] = "/";
+
+ for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
+ ++I) {
+ ActualPathComponents.push_back(*I);
+ }
+
+ ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
+
+ for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
+ EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
+ }
+}
+
+TEST(Support, AbsolutePathDotIterator) {
+ SmallString<64> Path(StringRef("/.c/.d/../."));
+ typedef SmallVector<StringRef, 4> PathComponents;
+ PathComponents ExpectedPathComponents;
+ PathComponents ActualPathComponents;
+
+ StringRef(Path).split(ExpectedPathComponents, '/');
// The root path will also be a component when iterating
ExpectedPathComponents[0] = "/";
}
TEST(Support, HomeDirectory) {
-#ifdef LLVM_ON_UNIX
- // This test only makes sense on Unix if $HOME is set.
- if (::getenv("HOME")) {
+ std::string expected;
+#ifdef LLVM_ON_WIN32
+ if (wchar_t const *path = ::_wgetenv(L"USERPROFILE")) {
+ auto pathLen = ::wcslen(path);
+ ArrayRef<char> ref{reinterpret_cast<char const *>(path),
+ pathLen * sizeof(wchar_t)};
+ convertUTF16ToUTF8String(ref, expected);
+ }
+#else
+ if (char const *path = ::getenv("HOME"))
+ expected = path;
#endif
+ // Do not try to test it if we don't know what to expect.
+ // On Windows we use something better than env vars.
+ if (!expected.empty()) {
SmallString<128> HomeDir;
- EXPECT_TRUE(path::home_directory(HomeDir));
- EXPECT_FALSE(HomeDir.empty());
-#ifdef LLVM_ON_UNIX
+ auto status = path::home_directory(HomeDir);
+ EXPECT_TRUE(status);
+ EXPECT_EQ(expected, HomeDir);
+ }
+}
+
+TEST(Support, UserCacheDirectory) {
+ SmallString<13> CacheDir;
+ SmallString<20> CacheDir2;
+ auto Status = path::user_cache_directory(CacheDir, "");
+ EXPECT_TRUE(Status ^ CacheDir.empty());
+
+ if (Status) {
+ EXPECT_TRUE(path::user_cache_directory(CacheDir2, "")); // should succeed
+ EXPECT_EQ(CacheDir, CacheDir2); // and return same paths
+
+ EXPECT_TRUE(path::user_cache_directory(CacheDir, "A", "B", "file.c"));
+ auto It = path::rbegin(CacheDir);
+ EXPECT_EQ("file.c", *It);
+ EXPECT_EQ("B", *++It);
+ EXPECT_EQ("A", *++It);
+ auto ParentDir = *++It;
+
+ // Test Unicode: "<user_cache_dir>/(pi)r^2/aleth.0"
+ EXPECT_TRUE(path::user_cache_directory(CacheDir2, "\xCF\x80r\xC2\xB2",
+ "\xE2\x84\xB5.0"));
+ auto It2 = path::rbegin(CacheDir2);
+ EXPECT_EQ("\xE2\x84\xB5.0", *It2);
+ EXPECT_EQ("\xCF\x80r\xC2\xB2", *++It2);
+ auto ParentDir2 = *++It2;
+
+ EXPECT_EQ(ParentDir, ParentDir2);
}
-#endif
}
+TEST(Support, TempDirectory) {
+ SmallString<32> TempDir;
+ path::system_temp_directory(false, TempDir);
+ EXPECT_TRUE(!TempDir.empty());
+ TempDir.clear();
+ path::system_temp_directory(true, TempDir);
+ EXPECT_TRUE(!TempDir.empty());
+}
+
+static std::string path2regex(std::string Path) {
+ size_t Pos = 0;
+ while ((Pos = Path.find('\\', Pos)) != std::string::npos) {
+ Path.replace(Pos, 1, "\\\\");
+ Pos += 2;
+ }
+ return Path;
+}
+
+/// Helper for running temp dir test in separated process. See below.
+#define EXPECT_TEMP_DIR(prepare, expected) \
+ EXPECT_EXIT( \
+ { \
+ prepare; \
+ SmallString<300> TempDir; \
+ path::system_temp_directory(true, TempDir); \
+ raw_os_ostream(std::cerr) << TempDir; \
+ std::exit(0); \
+ }, \
+ ::testing::ExitedWithCode(0), path2regex(expected))
+
+#ifdef LLVM_ON_WIN32
+TEST(SupportDeathTest, TempDirectoryOnWindows) {
+ // In this test we want to check how system_temp_directory responds to
+ // different values of specific env vars. To prevent corrupting env vars of
+ // the current process all checks are done in separated processes.
+ EXPECT_TEMP_DIR(_wputenv_s(L"TMP", L"C:\\OtherFolder"), "C:\\OtherFolder");
+ EXPECT_TEMP_DIR(_wputenv_s(L"TMP", L"C:/Unix/Path/Seperators"),
+ "C:\\Unix\\Path\\Seperators");
+ EXPECT_TEMP_DIR(_wputenv_s(L"TMP", L"Local Path"), ".+\\Local Path$");
+ EXPECT_TEMP_DIR(_wputenv_s(L"TMP", L"F:\\TrailingSep\\"), "F:\\TrailingSep");
+ EXPECT_TEMP_DIR(
+ _wputenv_s(L"TMP", L"C:\\2\x03C0r-\x00B5\x00B3\\\x2135\x2080"),
+ "C:\\2\xCF\x80r-\xC2\xB5\xC2\xB3\\\xE2\x84\xB5\xE2\x82\x80");
+
+ // Test $TMP empty, $TEMP set.
+ EXPECT_TEMP_DIR(
+ {
+ _wputenv_s(L"TMP", L"");
+ _wputenv_s(L"TEMP", L"C:\\Valid\\Path");
+ },
+ "C:\\Valid\\Path");
+
+ // All related env vars empty
+ EXPECT_TEMP_DIR(
+ {
+ _wputenv_s(L"TMP", L"");
+ _wputenv_s(L"TEMP", L"");
+ _wputenv_s(L"USERPROFILE", L"");
+ },
+ "C:\\Temp");
+
+ // Test evn var / path with 260 chars.
+ SmallString<270> Expected{"C:\\Temp\\AB\\123456789"};
+ while (Expected.size() < 260)
+ Expected.append("\\DirNameWith19Charss");
+ ASSERT_EQ(260, Expected.size());
+ EXPECT_TEMP_DIR(_putenv_s("TMP", Expected.c_str()), Expected.c_str());
+}
+#endif
+
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.
+ /// be placed. It is removed at the end of each test (must be empty).
SmallString<128> TestDirectory;
- virtual void SetUp() {
+ void SetUp() override {
ASSERT_NO_ERROR(
fs::createUniqueDirectory("file-system-test", TestDirectory));
// We don't care about this specific file.
errs().flush();
}
- virtual void TearDown() {
- ASSERT_NO_ERROR(fs::remove(TestDirectory.str()));
- }
+ void TearDown() override { ASSERT_NO_ERROR(fs::remove(TestDirectory.str())); }
};
TEST_F(FileSystemTest, Unique) {
"abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4"
"abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2"
"abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0";
- EXPECT_EQ(fs::createUniqueFile(Twine(Path270), FileDescriptor, TempPath),
- errc::no_such_file_or_directory);
+ EXPECT_EQ(fs::createUniqueFile(Path270, FileDescriptor, TempPath),
+ errc::invalid_argument);
+ // Relative path < 247 chars, no problem.
+ const char *Path216 =
+ "abcdefghijklmnopqrstuvwxyz7abcdefghijklmnopqrstuvwxyz6"
+ "abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4"
+ "abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2"
+ "abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0";
+ ASSERT_NO_ERROR(fs::createTemporaryFile(Path216, "", TempPath));
+ ASSERT_NO_ERROR(fs::remove(Twine(TempPath)));
#endif
}
ASSERT_EQ(fs::create_directory(Twine(TestDirectory) + "foo", false),
errc::file_exists);
ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "foo"));
+
+#ifdef LLVM_ON_UNIX
+ // Set a 0000 umask so that we can test our directory permissions.
+ mode_t OldUmask = ::umask(0000);
+
+ fs::file_status Status;
+ ASSERT_NO_ERROR(
+ fs::create_directory(Twine(TestDirectory) + "baz500", false,
+ fs::perms::owner_read | fs::perms::owner_exe));
+ ASSERT_NO_ERROR(fs::status(Twine(TestDirectory) + "baz500", Status));
+ ASSERT_EQ(Status.permissions() & fs::perms::all_all,
+ fs::perms::owner_read | fs::perms::owner_exe);
+ ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "baz777", false,
+ fs::perms::all_all));
+ ASSERT_NO_ERROR(fs::status(Twine(TestDirectory) + "baz777", Status));
+ ASSERT_EQ(Status.permissions() & fs::perms::all_all, fs::perms::all_all);
+
+ // Restore umask to be safe.
+ ::umask(OldUmask);
+#endif
+
+#ifdef LLVM_ON_WIN32
+ // Prove that create_directories() can handle a pathname > 248 characters,
+ // which is the documented limit for CreateDirectory().
+ // (248 is MAX_PATH subtracting room for an 8.3 filename.)
+ // Generate a directory path guaranteed to fall into that range.
+ size_t TmpLen = TestDirectory.size();
+ const char *OneDir = "\\123456789";
+ size_t OneDirLen = strlen(OneDir);
+ ASSERT_LT(OneDirLen, 12U);
+ size_t NLevels = ((248 - TmpLen) / OneDirLen) + 1;
+ SmallString<260> LongDir(TestDirectory);
+ for (size_t I = 0; I < NLevels; ++I)
+ LongDir.append(OneDir);
+ ASSERT_NO_ERROR(fs::create_directories(Twine(LongDir)));
+ ASSERT_NO_ERROR(fs::create_directories(Twine(LongDir)));
+ ASSERT_EQ(fs::create_directories(Twine(LongDir), false),
+ errc::file_exists);
+ // Tidy up, "recursively" removing the directories.
+ StringRef ThisDir(LongDir);
+ for (size_t J = 0; J < NLevels; ++J) {
+ ASSERT_NO_ERROR(fs::remove(ThisDir));
+ ThisDir = path::parent_path(ThisDir);
+ }
+
+ // Similarly for a relative pathname. Need to set the current directory to
+ // TestDirectory so that the one we create ends up in the right place.
+ char PreviousDir[260];
+ size_t PreviousDirLen = ::GetCurrentDirectoryA(260, PreviousDir);
+ ASSERT_GT(PreviousDirLen, 0U);
+ ASSERT_LT(PreviousDirLen, 260U);
+ ASSERT_NE(::SetCurrentDirectoryA(TestDirectory.c_str()), 0);
+ LongDir.clear();
+ // Generate a relative directory name with absolute length > 248.
+ size_t LongDirLen = 249 - TestDirectory.size();
+ LongDir.assign(LongDirLen, 'a');
+ ASSERT_NO_ERROR(fs::create_directory(Twine(LongDir)));
+ // While we're here, prove that .. and . handling works in these long paths.
+ const char *DotDotDirs = "\\..\\.\\b";
+ LongDir.append(DotDotDirs);
+ ASSERT_NO_ERROR(fs::create_directory("b"));
+ ASSERT_EQ(fs::create_directory(Twine(LongDir), false), errc::file_exists);
+ // And clean up.
+ ASSERT_NO_ERROR(fs::remove("b"));
+ ASSERT_NO_ERROR(fs::remove(
+ Twine(LongDir.substr(0, LongDir.size() - strlen(DotDotDirs)))));
+ ASSERT_NE(::SetCurrentDirectoryA(PreviousDir), 0);
+#endif
}
TEST_F(FileSystemTest, DirectoryIteration) {
const char archive[] = "!<arch>\x0A";
const char bitcode[] = "\xde\xc0\x17\x0b";
const char coff_object[] = "\x00\x00......";
-const char coff_bigobj[] = "\x00\x00\xff\xff........"
+const char coff_bigobj[] = "\x00\x00\xff\xff\x00\x02......"
"\xc7\xa1\xba\xd1\xee\xba\xa9\x4b\xaf\x20\xfa\xf6\x6a\xa4\xdc\xb8";
const char coff_import_library[] = "\x00\x00\xff\xff....";
const char elf_relocatable[] = { 0x7f, 'E', 'L', 'F', 1, 2, 1, 0, 0,
const char macho_dynamic_linker[] = "\xfe\xed\xfa\xce..........\x00\x07";
const char macho_bundle[] = "\xfe\xed\xfa\xce..........\x00\x08";
const char macho_dsym_companion[] = "\xfe\xed\xfa\xce..........\x00\x0a";
+const char macho_kext_bundle[] = "\xfe\xed\xfa\xce..........\x00\x0b";
const char windows_resource[] = "\x00\x00\x00\x00\x020\x00\x00\x00\xff";
+const char macho_dynamically_linked_shared_lib_stub[] =
+ "\xfe\xed\xfa\xce..........\x00\x09";
TEST_F(FileSystemTest, Magic) {
struct type {
DEFINE(macho_dynamically_linked_shared_lib),
DEFINE(macho_dynamic_linker),
DEFINE(macho_bundle),
+ DEFINE(macho_dynamically_linked_shared_lib_stub),
DEFINE(macho_dsym_companion),
+ DEFINE(macho_kext_bundle),
DEFINE(windows_resource)
#undef DEFINE
};
}
#endif
+TEST_F(FileSystemTest, Resize) {
+ int FD;
+ SmallString<64> TempPath;
+ ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD, TempPath));
+ ASSERT_NO_ERROR(fs::resize_file(FD, 123));
+ fs::file_status Status;
+ ASSERT_NO_ERROR(fs::status(FD, Status));
+ ASSERT_EQ(Status.getSize(), 123U);
+}
+
TEST_F(FileSystemTest, FileMapping) {
// Create a temp file.
int FileDescriptor;
SmallString<64> TempPath;
ASSERT_NO_ERROR(
fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
+ unsigned Size = 4096;
+ ASSERT_NO_ERROR(fs::resize_file(FileDescriptor, Size));
+
// Map in temp file and add some content
std::error_code EC;
StringRef Val("hello there");
{
fs::mapped_file_region mfr(FileDescriptor,
- true,
- fs::mapped_file_region::readwrite,
- 4096,
- 0,
- EC);
+ fs::mapped_file_region::readwrite, Size, 0, EC);
ASSERT_NO_ERROR(EC);
std::copy(Val.begin(), Val.end(), mfr.data());
// Explicitly add a 0.
}
// Map it back in read-only
- fs::mapped_file_region mfr(Twine(TempPath),
- fs::mapped_file_region::readonly,
- 0,
- 0,
- EC);
+ int FD;
+ EC = fs::openFileForRead(Twine(TempPath), FD);
+ ASSERT_NO_ERROR(EC);
+ fs::mapped_file_region mfr(FD, fs::mapped_file_region::readonly, Size, 0, EC);
ASSERT_NO_ERROR(EC);
// Verify content
EXPECT_EQ(StringRef(mfr.const_data()), Val);
// Unmap temp file
-
- fs::mapped_file_region m(Twine(TempPath),
- fs::mapped_file_region::readonly,
- 0,
- 0,
- EC);
+ fs::mapped_file_region m(FD, fs::mapped_file_region::readonly, Size, 0, EC);
ASSERT_NO_ERROR(EC);
- const char *Data = m.const_data();
- fs::mapped_file_region mfrrv(std::move(m));
- EXPECT_EQ(mfrrv.const_data(), Data);
+ ASSERT_EQ(close(FD), 0);
}
TEST(Support, NormalizePath) {
#undef EXPECT_PATH_IS
}
+
+TEST(Support, RemoveLeadingDotSlash) {
+ StringRef Path1("././/foolz/wat");
+ StringRef Path2("./////");
+
+ Path1 = path::remove_leading_dotslash(Path1);
+ EXPECT_EQ(Path1, "foolz/wat");
+ Path2 = path::remove_leading_dotslash(Path2);
+ EXPECT_EQ(Path2, "");
+}
+
+static std::string remove_dots(StringRef path,
+ bool remove_dot_dot) {
+ SmallString<256> buffer(path);
+ path::remove_dots(buffer, remove_dot_dot);
+ return buffer.str();
+}
+
+TEST(Support, RemoveDots) {
+#if defined(LLVM_ON_WIN32)
+ EXPECT_EQ("foolz\\wat", remove_dots(".\\.\\\\foolz\\wat", false));
+ EXPECT_EQ("", remove_dots(".\\\\\\\\\\", false));
+
+ EXPECT_EQ("a\\..\\b\\c", remove_dots(".\\a\\..\\b\\c", false));
+ EXPECT_EQ("b\\c", remove_dots(".\\a\\..\\b\\c", true));
+ EXPECT_EQ("c", remove_dots(".\\.\\c", true));
+
+ SmallString<64> Path1(".\\.\\c");
+ EXPECT_TRUE(path::remove_dots(Path1, true));
+ EXPECT_EQ("c", Path1);
+#else
+ EXPECT_EQ("foolz/wat", remove_dots("././/foolz/wat", false));
+ EXPECT_EQ("", remove_dots("./////", false));
+
+ EXPECT_EQ("a/../b/c", remove_dots("./a/../b/c", false));
+ EXPECT_EQ("b/c", remove_dots("./a/../b/c", true));
+ EXPECT_EQ("c", remove_dots("././c", true));
+
+ SmallString<64> Path1("././c");
+ EXPECT_TRUE(path::remove_dots(Path1, true));
+ EXPECT_EQ("c", Path1);
+#endif
+}
} // anonymous namespace
projects / oota-llvm.git / blobdiff