#include "gtest/gtest.h"
#ifdef LLVM_ON_WIN32
+#include <windows.h>
#include <winerror.h>
#endif
}
}
+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) {
+ 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, AbsolutePathIterator) {
SmallString<64> Path(StringRef("/c/d/e/foo.txt"));
typedef SmallVector<StringRef, 4> PathComponents;
}
}
+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] = "/";
+
+ 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());
+ }
+}
+
#ifdef LLVM_ON_WIN32
TEST(Support, AbsolutePathIteratorWin32) {
SmallString<64> Path(StringRef("c:\\c\\e\\foo.txt"));
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) {
fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
// Make sure it exists.
- bool TempFileExists;
- ASSERT_NO_ERROR(sys::fs::exists(Twine(TempPath), TempFileExists));
- EXPECT_TRUE(TempFileExists);
+ ASSERT_TRUE(sys::fs::exists(Twine(TempPath)));
// Create another temp tile.
int FD2;
EXPECT_EQ(B.type(), fs::file_type::file_not_found);
// Make sure Temp2 doesn't exist.
- ASSERT_NO_ERROR(fs::exists(Twine(TempPath2), TempFileExists));
- EXPECT_FALSE(TempFileExists);
+ ASSERT_EQ(fs::access(Twine(TempPath2), sys::fs::AccessMode::Exist),
+ errc::no_such_file_or_directory);
SmallString<64> TempPath3;
ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "", TempPath3));
ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
// Make sure Temp1 doesn't exist.
- ASSERT_NO_ERROR(fs::exists(Twine(TempPath), TempFileExists));
- EXPECT_FALSE(TempFileExists);
+ ASSERT_EQ(fs::access(Twine(TempPath), sys::fs::AccessMode::Exist),
+ errc::no_such_file_or_directory);
#ifdef LLVM_ON_WIN32
// Path name > 260 chars should get an error.
"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_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\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,
0, 0, 0, 0, 0, 0, 0, 0, 1 };
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(archive),
DEFINE(bitcode),
DEFINE(coff_object),
+ { "coff_bigobj", coff_bigobj, sizeof(coff_bigobj), fs::file_magic::coff_object },
DEFINE(coff_import_library),
DEFINE(elf_relocatable),
DEFINE(macho_universal_binary),
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
};
++i) {
SmallString<128> file_pathname(TestDirectory);
path::append(file_pathname, i->filename);
- std::string ErrMsg;
- raw_fd_ostream file(file_pathname.c_str(), ErrMsg, sys::fs::F_None);
+ std::error_code EC;
+ raw_fd_ostream file(file_pathname, EC, sys::fs::F_None);
ASSERT_FALSE(file.has_error());
StringRef magic(i->magic_str, i->magic_str_len);
file << magic;
#ifdef LLVM_ON_WIN32
TEST_F(FileSystemTest, CarriageReturn) {
SmallString<128> FilePathname(TestDirectory);
- std::string ErrMsg;
+ std::error_code EC;
path::append(FilePathname, "test");
{
- raw_fd_ostream File(FilePathname.c_str(), ErrMsg, sys::fs::F_Text);
- EXPECT_EQ(ErrMsg, "");
+ raw_fd_ostream File(FilePathname, EC, sys::fs::F_Text);
+ ASSERT_NO_ERROR(EC);
File << '\n';
}
{
- auto Buf = MemoryBuffer::getFile(FilePathname.c_str());
+ auto Buf = MemoryBuffer::getFile(FilePathname.str());
EXPECT_TRUE((bool)Buf);
EXPECT_EQ(Buf.get()->getBuffer(), "\r\n");
}
{
- raw_fd_ostream File(FilePathname.c_str(), ErrMsg, sys::fs::F_None);
- EXPECT_EQ(ErrMsg, "");
+ raw_fd_ostream File(FilePathname, EC, sys::fs::F_None);
+ ASSERT_NO_ERROR(EC);
File << '\n';
}
{
- auto Buf = MemoryBuffer::getFile(FilePathname.c_str());
+ auto Buf = MemoryBuffer::getFile(FilePathname.str());
EXPECT_TRUE((bool)Buf);
EXPECT_EQ(Buf.get()->getBuffer(), "\n");
}
}
#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) {
EXPECT_PATH_IS(Path1, "a", "a");
path::native(Path2);
- EXPECT_PATH_IS(Path2, "a/b", "a/b");
+ EXPECT_PATH_IS(Path2, "a\\b", "a/b");
path::native(Path3);
EXPECT_PATH_IS(Path3, "a\\b", "a/b");