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+// Copyright 2022 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// -----------------------------------------------------------------------------
+// File: log/internal/test_helpers.h
+// -----------------------------------------------------------------------------
+//
+// This file declares testing helpers for the logging library.
+
+#ifndef ABSL_LOG_INTERNAL_TEST_HELPERS_H_
+#define ABSL_LOG_INTERNAL_TEST_HELPERS_H_
+
+#include "gtest/gtest.h"
+#include "absl/base/config.h"
+#include "absl/base/log_severity.h"
+#include "absl/log/globals.h"
+
+namespace absl {
+ABSL_NAMESPACE_BEGIN
+namespace log_internal {
+
+// `ABSL_MIN_LOG_LEVEL` can't be used directly since it is not always defined.
+constexpr auto kAbslMinLogLevel =
+#ifdef ABSL_MIN_LOG_LEVEL
+    static_cast<absl::LogSeverityAtLeast>(ABSL_MIN_LOG_LEVEL);
+#else
+    absl::LogSeverityAtLeast::kInfo;
+#endif
+
+// Returns false if the specified severity level is disabled by
+// `ABSL_MIN_LOG_LEVEL` or `absl::MinLogLevel()`.
+bool LoggingEnabledAt(absl::LogSeverity severity);
+
+// -----------------------------------------------------------------------------
+// Googletest Death Test Predicates
+// -----------------------------------------------------------------------------
+
+#if GTEST_HAS_DEATH_TEST
+
+bool DiedOfFatal(int exit_status);
+bool DiedOfQFatal(int exit_status);
+
+#endif
+
+// -----------------------------------------------------------------------------
+// Helper for Log inititalization in test
+// -----------------------------------------------------------------------------
+
+class LogTestEnvironment : public ::testing::Environment {
+ public:
+  ~LogTestEnvironment() override = default;
+
+  void SetUp() override;
+};
+
+}  // namespace log_internal
+ABSL_NAMESPACE_END
+}  // namespace absl
+
+#endif  // ABSL_LOG_INTERNAL_TEST_HELPERS_H_