add catch2 based test setup including some basic test cases

core/include/StorageError.h

@@ -0,0 +1,84 @@
+/*
+* Copyright 2018 Coati Software KG
+*
+* 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
+*
+* http://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.
+*/
+
+#ifndef SOURCETRAIL_STORAGE_ERROR_H
+#define SOURCETRAIL_STORAGE_ERROR_H
+
+#include <string>
+
+namespace sourcetrail
+{
+	struct StorageErrorData
+	{
+		StorageErrorData()
+			: message("")
+			, translationUnit("")
+			, fatal(0)
+			, indexed(0)
+
+		{}
+
+		StorageErrorData(
+			std::string message,
+			std::string translationUnit,
+			bool fatal,
+			bool indexed
+		)
+			: message(std::move(message))
+			, translationUnit(std::move(translationUnit))
+			, fatal(fatal)
+			, indexed(indexed)
+		{}
+
+		std::string message;
+		std::string translationUnit;
+		bool fatal;
+		bool indexed;
+	};
+
+	struct StorageError : public StorageErrorData
+	{
+		StorageError()
+			: StorageErrorData()
+			, id(0)
+		{}
+
+		StorageError(int id, const StorageErrorData& data)
+			: StorageErrorData(data)
+			, id(id)
+		{}
+
+		StorageError(
+			int id,
+			std::string message,
+			std::string translationUnit,
+			bool fatal,
+			bool indexed
+		)
+			: StorageErrorData(
+				std::move(message),
+				std::move(translationUnit),
+				fatal,
+				indexed
+			)
+			, id(id)
+		{}
+
+		int id;
+	};
+}
+
+#endif // SOURCETRAIL_STORAGE_ERROR_H