#include "llvm/Support/LockFileManager.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
-
#include "gtest/gtest.h"
-
#include <memory>
using namespace llvm;
// Now that the lock is out of scope, the file should be gone.
EXPECT_FALSE(sys::fs::exists(StringRef(LockedFile)));
- sys::fs::remove_all(StringRef(TmpDir));
+ EC = sys::fs::remove(StringRef(TmpDir));
+ ASSERT_FALSE(EC);
+}
+
+TEST(LockFileManagerTest, LinkLockExists) {
+ SmallString<64> TmpDir;
+ error_code EC;
+ EC = sys::fs::createUniqueDirectory("LockFileManagerTestDir", TmpDir);
+ ASSERT_FALSE(EC);
+
+ SmallString<64> LockedFile(TmpDir);
+ sys::path::append(LockedFile, "file");
+
+ SmallString<64> FileLocK(TmpDir);
+ sys::path::append(FileLocK, "file.lock");
+
+ SmallString<64> TmpFileLock(TmpDir);
+ sys::path::append(TmpFileLock, "file.lock-000");
+
+ int FD;
+ EC = sys::fs::openFileForWrite(StringRef(TmpFileLock), FD, sys::fs::F_None);
+ ASSERT_FALSE(EC);
+
+ int Ret = close(FD);
+ ASSERT_EQ(Ret, 0);
+
+ EC = sys::fs::create_link(TmpFileLock.str(), FileLocK.str());
+ ASSERT_FALSE(EC);
+
+ EC = sys::fs::remove(StringRef(TmpFileLock));
+ ASSERT_FALSE(EC);
+
+ {
+ // The lock file doesn't point to a real file, so we should successfully
+ // acquire it.
+ LockFileManager Locked(LockedFile);
+ EXPECT_EQ(LockFileManager::LFS_Owned, Locked.getState());
+ }
+
+ // Now that the lock is out of scope, the file should be gone.
+ EXPECT_FALSE(sys::fs::exists(StringRef(LockedFile)));
+
+ EC = sys::fs::remove(StringRef(TmpDir));
+ ASSERT_FALSE(EC);
+}
+
+
+TEST(LockFileManagerTest, RelativePath) {
+ SmallString<64> TmpDir;
+ error_code EC;
+ EC = sys::fs::createUniqueDirectory("LockFileManagerTestDir", TmpDir);
+ ASSERT_FALSE(EC);
+
+ char PathBuf[1024];
+ const char *OrigPath = getcwd(PathBuf, 1024);
+ chdir(TmpDir.c_str());
+
+ sys::fs::create_directory("inner");
+ SmallString<64> LockedFile("inner");
+ sys::path::append(LockedFile, "file");
+
+ SmallString<64> FileLock(LockedFile);
+ FileLock += ".lock";
+
+ {
+ // The lock file should not exist, so we should successfully acquire it.
+ LockFileManager Locked(LockedFile);
+ EXPECT_EQ(LockFileManager::LFS_Owned, Locked.getState());
+ EXPECT_TRUE(sys::fs::exists(FileLock.str()));
+ }
+
+ // Now that the lock is out of scope, the file should be gone.
+ EXPECT_FALSE(sys::fs::exists(LockedFile.str()));
+ EXPECT_FALSE(sys::fs::exists(FileLock.str()));
+
+ EC = sys::fs::remove("inner");
+ ASSERT_FALSE(EC);
+
+ chdir(OrigPath);
+
+ EC = sys::fs::remove(StringRef(TmpDir));
+ ASSERT_FALSE(EC);
}
} // end anonymous namespace