diff --git a/storage/rocksdb/rocksdb/test_util/testharness.cc b/storage/rocksdb/rocksdb/test_util/testharness.cc
new file mode 100644
index 0000000000000000000000000000000000000000..50e105c51d3eea63391faa4f9bbd965376ffb2df
--- /dev/null
+++ b/storage/rocksdb/rocksdb/test_util/testharness.cc
@@ -0,0 +1,56 @@
+//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+//
+// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file. See the AUTHORS file for names of contributors.
+
+#include "test_util/testharness.h"
+#include <string>
+#include <thread>
+
+namespace ROCKSDB_NAMESPACE {
+namespace test {
+
+::testing::AssertionResult AssertStatus(const char* s_expr, const Status& s) {
+  if (s.ok()) {
+    return ::testing::AssertionSuccess();
+  } else {
+    return ::testing::AssertionFailure() << s_expr << std::endl
+                                         << s.ToString();
+  }
+}
+
+std::string TmpDir(Env* env) {
+  std::string dir;
+  Status s = env->GetTestDirectory(&dir);
+  EXPECT_OK(s);
+  return dir;
+}
+
+std::string PerThreadDBPath(std::string dir, std::string name) {
+  size_t tid = std::hash<std::thread::id>()(std::this_thread::get_id());
+  return dir + "/" + name + "_" + std::to_string(tid);
+}
+
+std::string PerThreadDBPath(std::string name) {
+  return PerThreadDBPath(test::TmpDir(), name);
+}
+
+std::string PerThreadDBPath(Env* env, std::string name) {
+  return PerThreadDBPath(test::TmpDir(env), name);
+}
+
+int RandomSeed() {
+  const char* env = getenv("TEST_RANDOM_SEED");
+  int result = (env != nullptr ? atoi(env) : 301);
+  if (result <= 0) {
+    result = 301;
+  }
+  return result;
+}
+
+}  // namespace test
+}  // namespace ROCKSDB_NAMESPACE
diff --git a/storage/rocksdb/rocksdb/test_util/testharness.h b/storage/rocksdb/rocksdb/test_util/testharness.h
new file mode 100644
index 0000000000000000000000000000000000000000..3dcde1b6b5a72313525a3c17690ab594c6f33883
--- /dev/null
+++ b/storage/rocksdb/rocksdb/test_util/testharness.h
@@ -0,0 +1,53 @@
+//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+//
+// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file. See the AUTHORS file for names of contributors.
+
+#pragma once
+
+#ifdef OS_AIX
+#include "gtest/gtest.h"
+#else
+#include <gtest/gtest.h>
+#endif
+
+// If GTEST_SKIP is available, use it. Otherwise, define skip as success
+#ifdef GTEST_SKIP_
+#define ROCKSDB_GTEST_SKIP(m) GTEST_SKIP_(m)
+#else
+#define ROCKSDB_GTEST_SKIP(m) GTEST_SUCCESS_("SKIPPED: " m)
+#endif
+
+#include <string>
+#include "rocksdb/env.h"
+
+namespace ROCKSDB_NAMESPACE {
+namespace test {
+
+// Return the directory to use for temporary storage.
+std::string TmpDir(Env* env = Env::Default());
+
+// A path unique within the thread
+std::string PerThreadDBPath(std::string name);
+std::string PerThreadDBPath(Env* env, std::string name);
+std::string PerThreadDBPath(std::string dir, std::string name);
+
+// Return a randomization seed for this run.  Typically returns the
+// same number on repeated invocations of this binary, but automated
+// runs may be able to vary the seed.
+int RandomSeed();
+
+::testing::AssertionResult AssertStatus(const char* s_expr, const Status& s);
+
+#define ASSERT_OK(s) \
+  ASSERT_PRED_FORMAT1(ROCKSDB_NAMESPACE::test::AssertStatus, s)
+#define ASSERT_NOK(s) ASSERT_FALSE((s).ok())
+#define EXPECT_OK(s) \
+  EXPECT_PRED_FORMAT1(ROCKSDB_NAMESPACE::test::AssertStatus, s)
+#define EXPECT_NOK(s) EXPECT_FALSE((s).ok())
+}  // namespace test
+}  // namespace ROCKSDB_NAMESPACE