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rocksdb/util/filelock_test.cc

58 lines
1.1 KiB

// Copyright (c) 2012 Facebook. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "leveldb/status.h"
#include "leveldb/env.h"
#include <vector>
#include "util/coding.h"
#include "util/testharness.h"
namespace leveldb {
class LockTest {
public:
static LockTest* current_;
std::string file_;
leveldb::Env* env_;
LockTest() : file_(test::TmpDir() + "/db_testlock_file"),
env_(leveldb::Env::Default()) {
current_ = this;
}
~LockTest() {
}
Status LockFile(FileLock** db_lock) {
return env_->LockFile(file_, db_lock);
}
Status UnlockFile(FileLock* db_lock) {
return env_->UnlockFile(db_lock);
}
};
LockTest* LockTest::current_;
TEST(LockTest, LockBySameThread) {
FileLock* lock1;
FileLock* lock2;
// acquire a lock on a file
ASSERT_OK(LockFile(&lock1));
// re-acquire the lock on the same file. This should fail.
ASSERT_TRUE(LockFile(&lock2).IsIOError());
// release the lock
ASSERT_OK(UnlockFile(lock1));
}
} // namespace leveldb
int main(int argc, char** argv) {
return leveldb::test::RunAllTests();
}