/****************************************************************************
 *
 *   Copyright (C) 2013 PX4 Development Team. All rights reserved.
 *   Author: Simon Wilks <sjwilks@gmail.com>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name PX4 nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

#ifndef UNIT_TEST_H_
#define UNIT_TEST_H_

#include <systemlib/err.h>

class __EXPORT UnitTest
{

public:
#define INLINE_GLOBAL(type,func) inline type& func() { static type x; return x; }

INLINE_GLOBAL(int, mu_tests_run)
INLINE_GLOBAL(int, mu_tests_failed)
INLINE_GLOBAL(int, mu_tests_passed)
INLINE_GLOBAL(int, mu_assertion)
INLINE_GLOBAL(int, mu_line)
INLINE_GLOBAL(const char*, mu_last_test)

	UnitTest();
    virtual ~UnitTest();
	
	virtual void init(void) { };
	virtual void cleanup(void) { };

    virtual void runTests(void) = 0;
    void printResults(void);
    
    void printAssert(const char* msg, const char* test, const char* file, int line);
	void printCompare(const char* msg, const char *v1_text, int v1, const char *v2_text, int v2, const char* file, int line);
    
#define ut_assert(message, test)                                \
    do {                                                        \
        if (!(test)) {                                          \
            printAssert(message, #test, __FILE__, __LINE__);    \
            return false;                                       \
        } else {                                                \
            mu_assertion()++;                                   \
        }                                                       \
    } while (0)
    
#define ut_compare(message, v1, v2)							\
	do {										\
		int _v1 = v1;								\
		int _v2 = v2;								\
		if (_v1 != _v2) {							\
			printCompare(message, #v1, _v1, #v2, _v2, __FILE__, __LINE__);	\
			return false;							\
		} else {								\
			mu_assertion()++;						\
		}									\
	} while (0)
    
#define ut_run_test(test)                       \
    do {                                        \
        warnx("RUNNING TEST: %s", #test);       \
        mu_tests_run()++;                       \
	init();					\
        if (!test()) {                          \
            warnx("TEST FAILED: %s", #test);    \
            mu_tests_failed()++;                \
        } else {                                \
            warnx("TEST PASSED: %s", #test);    \
            mu_tests_passed()++;                \
        }                                       \
	cleanup();				\
    } while (0)

};

#endif /* UNIT_TEST_H_ */