RandTest.h

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/*
  ZynAddSubFX - a software synthesizer
 
  RandTest.h - CxxTest for Pseudo-Random Number Generator
  Copyright (C) 2009-2009 Mark McCurry
  Author: Mark McCurry
 
  This program is free software; you can redistribute it and/or modify
  it under the terms of version 2 of the GNU General Public License
  as published by the Free Software Foundation.
 
  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 (version 2 or later) for more details.
 
  You should have received a copy of the GNU General Public License (version 2)
  along with this program; if not, write to the Free Software Foundation,
  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 
*/
 
#include "../Misc/Util.h"
SYNTH_T *synth;
 
#include <cstdlib>
#include <cstdio>
#include <cxxtest/TestSuite.h>
 
class RandTest:public CxxTest::TestSuite
{
    public:
        void testPRNG(void) {
            //verify RND returns expected pattern when unseeded
            TS_ASSERT_DELTA(RND, 0.607781, 0.00001);
            TS_ASSERT_DELTA(RND, 0.591761, 0.00001);
            TS_ASSERT_DELTA(RND, 0.186133, 0.00001);
            TS_ASSERT_DELTA(RND, 0.286319, 0.00001);
            TS_ASSERT_DELTA(RND, 0.511766, 0.00001);
        }
};