//
//===----------------------------------------------------------------------===//
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/PathV2.h"
+#include "llvm/Support/Path.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/raw_ostream.h"
-
#include "gtest/gtest.h"
using namespace llvm;
SmallString<128> TestDirectory;
virtual void SetUp() {
- int fd;
ASSERT_NO_ERROR(
- fs::unique_file("file-system-test-%%-%%-%%-%%/test-directory.anchor", fd,
- TestDirectory));
+ fs::createUniqueDirectory("file-system-test", TestDirectory));
// We don't care about this specific file.
- ::close(fd);
- TestDirectory = path::parent_path(TestDirectory);
errs() << "Test Directory: " << TestDirectory << '\n';
errs().flush();
}
}
};
+TEST_F(FileSystemTest, Unique) {
+ // Create a temp file.
+ int FileDescriptor;
+ SmallString<64> TempPath;
+ ASSERT_NO_ERROR(
+ fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
+
+ // The same file should return an identical unique id.
+ uint64_t F1, F2;
+ ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), F1));
+ ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), F2));
+ ASSERT_EQ(F1, F2);
+
+ // Different files should return different unique ids.
+ int FileDescriptor2;
+ SmallString<64> TempPath2;
+ ASSERT_NO_ERROR(
+ fs::createTemporaryFile("prefix", "temp", FileDescriptor2, TempPath2));
+
+ uint64_t D;
+ ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath2), D));
+ ASSERT_NE(D, F1);
+ ::close(FileDescriptor2);
+
+ ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
+
+ // Two paths representing the same file on disk should still provide the
+ // same unique id. We can test this by making a hard link.
+ ASSERT_NO_ERROR(fs::create_hard_link(Twine(TempPath), Twine(TempPath2)));
+ uint64_t D2;
+ ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath2), D2));
+ ASSERT_EQ(D2, F1);
+
+ ::close(FileDescriptor);
+}
+
TEST_F(FileSystemTest, TempFiles) {
// Create a temp file.
int FileDescriptor;
SmallString<64> TempPath;
ASSERT_NO_ERROR(
- fs::unique_file("%%-%%-%%-%%.temp", FileDescriptor, TempPath));
+ fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
// Make sure it exists.
bool TempFileExists;
// Create another temp tile.
int FD2;
SmallString<64> TempPath2;
- ASSERT_NO_ERROR(fs::unique_file("%%-%%-%%-%%.temp", FD2, TempPath2));
+ ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD2, TempPath2));
ASSERT_NE(TempPath.str(), TempPath2.str());
fs::file_status A, B;
// Make sure Temp1 doesn't exist.
ASSERT_NO_ERROR(fs::exists(Twine(TempPath), TempFileExists));
EXPECT_FALSE(TempFileExists);
+
+#ifdef LLVM_ON_WIN32
+ // Path name > 260 chars should get an error.
+ const char *Path270 =
+ "abcdefghijklmnopqrstuvwxyz9abcdefghijklmnopqrstuvwxyz8"
+ "abcdefghijklmnopqrstuvwxyz7abcdefghijklmnopqrstuvwxyz6"
+ "abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4"
+ "abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2"
+ "abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0";
+ EXPECT_EQ(fs::createUniqueFile(Twine(Path270), FileDescriptor, TempPath),
+ windows_error::path_not_found);
+#endif
}
TEST_F(FileSystemTest, DirectoryIteration) {
ASSERT_LT(z0, za1);
}
+const char elf[] = {0x7f, 'E', 'L', 'F', 1, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1};
+
TEST_F(FileSystemTest, Magic) {
struct type {
const char *filename;
const char *magic_str;
- size_t magic_str_len;
- } types [] = {{"magic.archive", "!<arch>\x0A", 8}};
+ size_t magic_str_len;
+ fs::file_magic magic;
+ } types [] = {
+ {"magic.archive", "!<arch>\x0A", 8, fs::file_magic::archive},
+ {"magic.elf", elf, sizeof(elf),
+ fs::file_magic::elf_relocatable}
+ };
// Create some files filled with magic.
for (type *i = types, *e = types + (sizeof(types) / sizeof(type)); i != e;
bool res = false;
ASSERT_NO_ERROR(fs::has_magic(file_pathname.c_str(), magic, res));
EXPECT_TRUE(res);
+ EXPECT_EQ(i->magic, fs::identify_magic(magic));
}
}
-#if !defined(_WIN32) // FIXME: Win32 has different permission schema.
-TEST_F(FileSystemTest, Permissions) {
- // Create a temp file.
- int FileDescriptor;
- SmallString<64> TempPath;
- ASSERT_NO_ERROR(
- fs::unique_file("%%-%%-%%-%%.temp", FileDescriptor, TempPath));
-
- // Mark file as read-only
- const fs::perms AllWrite = fs::owner_write|fs::group_write|fs::others_write;
- ASSERT_NO_ERROR(fs::permissions(Twine(TempPath), fs::remove_perms|AllWrite));
-
- // Verify file is read-only
- fs::file_status Status;
- ASSERT_NO_ERROR(fs::status(Twine(TempPath), Status));
- bool AnyWriteBits = (Status.permissions() & AllWrite);
- EXPECT_FALSE(AnyWriteBits);
-
- // Mark file as read-write
- ASSERT_NO_ERROR(fs::permissions(Twine(TempPath), fs::add_perms|AllWrite));
-
- // Verify file is read-write
- ASSERT_NO_ERROR(fs::status(Twine(TempPath), Status));
- AnyWriteBits = (Status.permissions() & AllWrite);
- EXPECT_TRUE(AnyWriteBits);
-}
-#endif
-
TEST_F(FileSystemTest, FileMapping) {
// Create a temp file.
int FileDescriptor;
SmallString<64> TempPath;
ASSERT_NO_ERROR(
- fs::unique_file("%%-%%-%%-%%.temp", FileDescriptor, TempPath));
-
- // Grow temp file to be 4096 bytes
- ASSERT_NO_ERROR(sys::fs::resize_file(Twine(TempPath), 4096));
-
+ fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
// Map in temp file and add some content
- void* MappedMemory;
- ASSERT_NO_ERROR(fs::map_file_pages(Twine(TempPath), 0, 4096,
- true /*writable*/, MappedMemory));
- char* Memory = reinterpret_cast<char*>(MappedMemory);
- strcpy(Memory, "hello there");
-
- // Unmap temp file
- ASSERT_NO_ERROR(fs::unmap_file_pages(MappedMemory, 4096));
- MappedMemory = NULL;
- Memory = NULL;
+ error_code EC;
+ StringRef Val("hello there");
+ {
+ fs::mapped_file_region mfr(FileDescriptor,
+ true,
+ fs::mapped_file_region::readwrite,
+ 4096,
+ 0,
+ EC);
+ ASSERT_NO_ERROR(EC);
+ std::copy(Val.begin(), Val.end(), mfr.data());
+ // Explicitly add a 0.
+ mfr.data()[Val.size()] = 0;
+ // Unmap temp file
+ }
// Map it back in read-only
- ASSERT_NO_ERROR(fs::map_file_pages(Twine(TempPath), 0, 4096,
- false /*read-only*/, MappedMemory));
+ fs::mapped_file_region mfr(Twine(TempPath),
+ fs::mapped_file_region::readonly,
+ 0,
+ 0,
+ EC);
+ ASSERT_NO_ERROR(EC);
// Verify content
- Memory = reinterpret_cast<char*>(MappedMemory);
- bool SAME = (strcmp(Memory, "hello there") == 0);
- EXPECT_TRUE(SAME);
+ EXPECT_EQ(StringRef(mfr.const_data()), Val);
// Unmap temp file
- ASSERT_NO_ERROR(fs::unmap_file_pages(MappedMemory, 4096));
- MappedMemory = NULL;
- Memory = NULL;
-}
-
+#if LLVM_HAS_RVALUE_REFERENCES
+ fs::mapped_file_region m(Twine(TempPath),
+ fs::mapped_file_region::readonly,
+ 0,
+ 0,
+ EC);
+ ASSERT_NO_ERROR(EC);
+ const char *Data = m.const_data();
+ fs::mapped_file_region mfrrv(llvm_move(m));
+ EXPECT_EQ(mfrrv.const_data(), Data);
+#endif
+}
} // anonymous namespace
projects / oota-llvm.git / blobdiff