//
//===----------------------------------------------------------------------===//
-#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;
using namespace llvm::sys;
#define ASSERT_NO_ERROR(x) \
- if (error_code ec = x) { \
- SmallString<128> Message; \
- GTEST_FATAL_FAILURE_((Twine(#x ": did not return errc::success.\n") + \
- "error number: " + Twine(ec.value()) + "\n" + \
- "error message: " + \
- ec.message()).toNullTerminatedStringRef(Message).data()); \
+ 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(is_separator, Works) {
+ EXPECT_TRUE(path::is_separator('/'));
+ EXPECT_FALSE(path::is_separator('\0'));
+ EXPECT_FALSE(path::is_separator('-'));
+ EXPECT_FALSE(path::is_separator(' '));
+
+#ifdef LLVM_ON_WIN32
+ EXPECT_TRUE(path::is_separator('\\'));
+#else
+ EXPECT_FALSE(path::is_separator('\\'));
+#endif
+}
+
TEST(Support, Path) {
SmallVector<StringRef, 40> paths;
paths.push_back("");
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;
+ ASSERT_NO_ERROR(fs::status(Twine(TempPath), A));
+ ASSERT_NO_ERROR(fs::status(Twine(TempPath2), B));
+ EXPECT_FALSE(fs::equivalent(A, B));
+
// Try to copy the first to the second.
EXPECT_EQ(
fs::copy_file(Twine(TempPath), Twine(TempPath2)), errc::file_exists);
bool equal;
ASSERT_NO_ERROR(fs::equivalent(Twine(TempPath), Twine(TempPath2), equal));
EXPECT_TRUE(equal);
+ ASSERT_NO_ERROR(fs::status(Twine(TempPath), A));
+ ASSERT_NO_ERROR(fs::status(Twine(TempPath2), B));
+ EXPECT_TRUE(fs::equivalent(A, B));
// Remove Temp1.
::close(FileDescriptor);
// 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) {
error_code ec;
- for (fs::directory_iterator i(".", ec), e; i != e; i.increment(ec)) {
- if (ec) {
- errs() << ec.message() << '\n';
- errs().flush();
- report_fatal_error("Directory iteration failed!");
+ for (fs::directory_iterator i(".", ec), e; i != e; i.increment(ec))
+ ASSERT_NO_ERROR(ec);
+
+ // Create a known hierarchy to recurse over.
+ bool existed;
+ ASSERT_NO_ERROR(fs::create_directories(Twine(TestDirectory)
+ + "/recursive/a0/aa1", existed));
+ ASSERT_NO_ERROR(fs::create_directories(Twine(TestDirectory)
+ + "/recursive/a0/ab1", existed));
+ ASSERT_NO_ERROR(fs::create_directories(Twine(TestDirectory)
+ + "/recursive/dontlookhere/da1", existed));
+ ASSERT_NO_ERROR(fs::create_directories(Twine(TestDirectory)
+ + "/recursive/z0/za1", existed));
+ ASSERT_NO_ERROR(fs::create_directories(Twine(TestDirectory)
+ + "/recursive/pop/p1", existed));
+ typedef std::vector<std::string> v_t;
+ v_t visited;
+ for (fs::recursive_directory_iterator i(Twine(TestDirectory)
+ + "/recursive", ec), e; i != e; i.increment(ec)){
+ ASSERT_NO_ERROR(ec);
+ if (path::filename(i->path()) == "p1") {
+ i.pop();
+ // FIXME: recursive_directory_iterator should be more robust.
+ if (i == e) break;
}
+ if (path::filename(i->path()) == "dontlookhere")
+ i.no_push();
+ visited.push_back(path::filename(i->path()));
}
+ v_t::const_iterator a0 = std::find(visited.begin(), visited.end(), "a0");
+ v_t::const_iterator aa1 = std::find(visited.begin(), visited.end(), "aa1");
+ v_t::const_iterator ab1 = std::find(visited.begin(), visited.end(), "ab1");
+ v_t::const_iterator dontlookhere = std::find(visited.begin(), visited.end(),
+ "dontlookhere");
+ v_t::const_iterator da1 = std::find(visited.begin(), visited.end(), "da1");
+ v_t::const_iterator z0 = std::find(visited.begin(), visited.end(), "z0");
+ v_t::const_iterator za1 = std::find(visited.begin(), visited.end(), "za1");
+ v_t::const_iterator pop = std::find(visited.begin(), visited.end(), "pop");
+ v_t::const_iterator p1 = std::find(visited.begin(), visited.end(), "p1");
+
+ // Make sure that each path was visited correctly.
+ ASSERT_NE(a0, visited.end());
+ ASSERT_NE(aa1, visited.end());
+ ASSERT_NE(ab1, visited.end());
+ ASSERT_NE(dontlookhere, visited.end());
+ ASSERT_EQ(da1, visited.end()); // Not visited.
+ ASSERT_NE(z0, visited.end());
+ ASSERT_NE(za1, visited.end());
+ ASSERT_NE(pop, visited.end());
+ ASSERT_EQ(p1, visited.end()); // Not visited.
+
+ // Make sure that parents were visited before children. No other ordering
+ // guarantees can be made across siblings.
+ ASSERT_LT(a0, aa1);
+ ASSERT_LT(a0, ab1);
+ 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;
+ 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;
+ ++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.close();
+ 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));
+ }
+}
+
+TEST_F(FileSystemTest, FileMapping) {
+ // Create a temp file.
+ int FileDescriptor;
+ SmallString<64> TempPath;
+ ASSERT_NO_ERROR(
+ fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
+ // Map in temp file and add some content
+ 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
+ fs::mapped_file_region mfr(Twine(TempPath),
+ fs::mapped_file_region::readonly,
+ 0,
+ 0,
+ EC);
+ ASSERT_NO_ERROR(EC);
+
+ // Verify content
+ EXPECT_EQ(StringRef(mfr.const_data()), Val);
+
+ // Unmap temp file
+
+#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