1 /*
   2  * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* @test
  25    @summary Test ModelStandardTransform transform method */
  26 
  27 import com.sun.media.sound.ModelStandardTransform;
  28 
  29 public class TransformSwitch {
  30 
  31     private static void assertTrue(boolean value) throws Exception
  32     {
  33         if(!value)
  34             throw new RuntimeException("assertTrue fails!");
  35     }
  36 
  37     public static void main(String[] args) throws Exception {
  38         ModelStandardTransform transform = new ModelStandardTransform();
  39         transform.setTransform(ModelStandardTransform.TRANSFORM_SWITCH);
  40 
  41         transform.setDirection(ModelStandardTransform.DIRECTION_MIN2MAX);
  42         transform.setPolarity(ModelStandardTransform.POLARITY_UNIPOLAR);
  43         assertTrue(Math.abs(transform.transform(0.2f) - 0.0f) < 0.0001f);
  44         assertTrue(Math.abs(transform.transform(0.8f) - 1.0f) < 0.0001f);
  45 
  46         transform.setDirection(ModelStandardTransform.DIRECTION_MAX2MIN);
  47         transform.setPolarity(ModelStandardTransform.POLARITY_UNIPOLAR);
  48         assertTrue(Math.abs(transform.transform(0.2f) - 1.0f) < 0.0001f);
  49         assertTrue(Math.abs(transform.transform(0.8f) - 0.0f) < 0.0001f);
  50 
  51         transform.setDirection(ModelStandardTransform.DIRECTION_MIN2MAX);
  52         transform.setPolarity(ModelStandardTransform.POLARITY_BIPOLAR);
  53         assertTrue(Math.abs(transform.transform(0.2f) + 1.0f) < 0.0001f);
  54         assertTrue(Math.abs(transform.transform(0.8f) - 1.0f) < 0.0001f);
  55 
  56         transform.setDirection(ModelStandardTransform.DIRECTION_MAX2MIN);
  57         transform.setPolarity(ModelStandardTransform.POLARITY_BIPOLAR);
  58         assertTrue(Math.abs(transform.transform(0.2f) - 1.0f) < 0.0001f);
  59         assertTrue(Math.abs(transform.transform(0.8f) + 1.0f) < 0.0001f);
  60     }
  61 }