/* Test helper class of the Parma Polyhedra Library Java interface.
   Copyright (C) 2001-2009 Roberto Bagnara <bagnara@cs.unipr.it>

This file is part of the Parma Polyhedra Library (PPL).

The PPL 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 3 of the License, or (at your
option) any later version.

The PPL 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.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.

For the most up-to-date information see the Parma Polyhedra Library
site: http://www.cs.unipr.it/ppl/ . */

import java.lang.reflect.Method;

public class Test_Executor {

    /*! \brief
    Executes all the methods named `test****' that are implemented in
    the class \p c. This class expects that the return value is a Boolean
    and the test methods don't take parameters.

    \return
    <CODE>true</CODE> if and only if all the tests defined in the class
    \p return <CODE>true</CODE>, otherwise returns <CODE>false</CODE>
  */
    public static boolean executeTests(Class c) {
        PPL_Test.initialize();
	Boolean single_test_result_ok;
	Boolean global_test_result_ok = new Boolean(true);
	System.out.println("Checking " + c.getName());
	Method methods[] = c.getDeclaredMethods();
	for (Method currentMethod:methods) {
	    try {
		if (currentMethod.getName().startsWith("test"))  {
		    System.out.println("Executing " + currentMethod.getName());
		    single_test_result_ok =
			(Boolean) currentMethod.invoke(new Object(),
						       new Object[0]);
		    if (!single_test_result_ok) {
			global_test_result_ok = new Boolean(false);
			System.out.println(currentMethod.getName() + " failed");
		    }
		}
	    }
	    catch (Exception e) {
 		System.out.println("An unexpected exception has occured");
		return new Boolean(false);
	    }
	}
	return global_test_result_ok;
    }
}
