1 files changed, 107 insertions, 0 deletions
diff --git a/src/rocksdb/test_util/testharness.cc b/src/rocksdb/test_util/testharness.cc
new file mode 100644
index 000000000..3c7b835d2
--- /dev/null
+++ b/src/rocksdb/test_util/testharness.cc
@@ -0,0 +1,107 @@
+//  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 <regex>
+#include <string>
+#include <thread>
+
+namespace ROCKSDB_NAMESPACE {
+namespace test {
+
+#ifdef OS_WIN
+#include <windows.h>
+
+std::string GetPidStr() { return std::to_string(GetCurrentProcessId()); }
+#else
+std::string GetPidStr() { return std::to_string(getpid()); }
+#endif
+
+::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 + "_" + GetPidStr() + "_" + 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;
+}
+
+TestRegex::TestRegex(const std::string& pattern)
+    : impl_(std::make_shared<Impl>(pattern)), pattern_(pattern) {}
+TestRegex::TestRegex(const char* pattern)
+    : impl_(std::make_shared<Impl>(pattern)), pattern_(pattern) {}
+
+const std::string& TestRegex::GetPattern() const { return pattern_; }
+
+class TestRegex::Impl : public std::regex {
+ public:
+  using std::regex::basic_regex;
+};
+
+bool TestRegex::Matches(const std::string& str) const {
+  if (impl_) {
+    return std::regex_match(str, *impl_);
+  } else {
+    // Should not call Matches on unset Regex
+    assert(false);
+    return false;
+  }
+}
+
+::testing::AssertionResult AssertMatchesRegex(const char* str_expr,
+                                              const char* pattern_expr,
+                                              const std::string& str,
+                                              const TestRegex& pattern) {
+  if (pattern.Matches(str)) {
+    return ::testing::AssertionSuccess();
+  } else if (TestRegex("\".*\"").Matches(pattern_expr)) {
+    // constant regex string
+    return ::testing::AssertionFailure()
+           << str << " (" << str_expr << ")" << std::endl
+           << "does not match regex " << pattern.GetPattern();
+  } else {
+    // runtime regex string
+    return ::testing::AssertionFailure()
+           << str << " (" << str_expr << ")" << std::endl
+           << "does not match regex" << std::endl
+           << pattern.GetPattern() << " (" << pattern_expr << ")";
+  }
+}
+
+}  // namespace test
+}  // namespace ROCKSDB_NAMESPACE