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diff --git a/Source/charon/utils/tester.h b/Source/charon/utils/tester.h
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+/**
+ * @file tester.h
+ *
+ * @brief Test module for automatic testing
+ *
+ */
+
+/*
+ * Copyright (C) 2005 Jan Hutter, Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#ifndef TESTER_H_
+#define TESTER_H_
+
+#include <stdio.h>
+
+#include "../types.h"
+
+
+
+/**
+ * @brief Specifies a test
+ */
+typedef struct test_s test_t;
+
+/**
+ * @brief A tester object to perform tests with
+ */
+typedef struct tester_s tester_t;
+
+struct test_s{
+	void (*test_function) (tester_t * tester);
+	char * test_name;
+};
+
+struct tester_s {
+
+	/**
+	 * @brief Tests all testcases in array tests with specific tester object
+	 *
+	 * @param tester tester object
+ 	 * @param pointer to a array of test_t-pointers.
+ 	 * 			      the last item has to be NULL.
+	 * @return SUCCESSFUL if succeeded, FAILED otherwise
+	 */
+	status_t (*perform_tests) (tester_t *tester,test_t **tests);
+
+	/**
+	 * @brief run a specific test case
+	 *
+	 * @param this tester object
+	 * @param test pointer to a test_t object which will be performed
+	 * @param Name of the Test
+	 */
+ 	status_t (*perform_test) (tester_t *tester, test_t *test);
+
+	/**
+	 * @brief is called in a testcase to check a specific situation for TRUE
+	 *
+	 * Log-Values to the tester output are protected from multiple access
+	 *
+	 * @warning this function should only be called in a test_function
+	 *
+	 * @param this tester object
+	 * @param to_be_true assert which has to be TRUE
+	 * @param Name of the assertion
+	 */
+	void (*assert_true) (tester_t *tester, bool to_be_true, char *assert_name);
+
+	/**
+	 * @brief is called in a testcase to check a specific situation for FALSE
+	 *
+	 * Log-Values to the tester output are protected from multiple access
+	 *
+	 * @warning this function should only be called in a test_function
+	 *
+	 * @param this tester object
+	 * @param to_be_false assert which has to be FALSE
+	 * @param Name of the assertion
+	 */
+	void (*assert_false) (tester_t *tester, bool to_be_false, char *assert_name);
+
+	/**
+	 * @brief Destroys a tester object
+	 *
+	 * @param tester tester object
+	 * @return SUCCESSFUL if succeeded, FAILED otherwise
+	 */
+	status_t (*destroy) (tester_t *tester);
+};
+
+/**
+ * @brief creates a tester object needed to perform tests
+ *
+ * @param output test output is written to this output
+ * @param display_succeeded_asserts has to be TRUE, if all asserts should be displayed,
+ * 									else otherwise
+ *
+ * @return tester object
+ */
+tester_t *tester_create(FILE *output, bool display_succeeded_asserts);
+
+#endif /*TESTER_H_*/