modules/sound/src/test/java/org/apache/harmony/sound/tests/javax/sound/midi/MetaMessageTest.java - harmony-classlib - Git at Google

 /*
  *  Licensed to the Apache Software Foundation (ASF) under one or more
  *  contributor license agreements.  See the NOTICE file distributed with
  *  this work for additional information regarding copyright ownership.
  *  The ASF licenses this file to You under the Apache License, Version 2.0
  *  (the "License"); you may not use this file except in compliance with
  *  the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */

 package org.apache.harmony.sound.tests.javax.sound.midi;

 import javax.sound.midi.MetaMessage;
 import javax.sound.midi.InvalidMidiDataException;
 import junit.framework.TestCase;

 public class MetaMessageTest extends TestCase {
     /**
      * Test constructors of class MetaMessage
      * with parameters and without its.
      */
     public void test_constructor_MetaMessage() throws Exception {
         MetaMessage meta = new MetaMessage();
         assertEquals(2, meta.getLength());
         assertEquals(255, meta.getStatus());
         assertEquals(0, meta.getType());
         assertEquals(2, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(0, meta.getMessage()[1]);
         assertEquals(0, meta.getData().length);

         /**
          * the condition of the object must be the same
          * after throw out exception
          */
         try {
             meta = new MetaMessage1(null);
             fail("NullPointerException expected");
         } catch (NullPointerException e) {}

         assertEquals(2, meta.getLength());
         assertEquals(255, meta.getStatus());
         assertEquals(0, meta.getType());
         assertEquals(2, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(0, meta.getMessage()[1]);
         assertEquals(0, meta.getData().length);

         byte[] bt = new byte[] {-87, 19, 4};
         MetaMessage1 meta3 = new MetaMessage1(bt);
         assertEquals(3, meta3.getLength());
         assertEquals(169, meta3.getStatus());
         assertEquals(19, meta3.getType());
         assertEquals(3, meta3.getMessage().length);
         assertEquals(-87, meta3.getMessage()[0]);
         assertEquals(19, meta3.getMessage()[1]);
         assertEquals(4, meta3.getMessage()[2]);
         assertEquals(0, meta3.getData().length);
         bt[0] = 10;
         bt[1] = 20;
         bt[2] = 30;
         /**
          * values change!!!
          */
         assertEquals(10, meta3.getStatus());
         assertEquals(20, meta3.getType());
         assertEquals(3, meta3.getMessage().length);
         assertEquals(10, meta3.getMessage()[0]);
         assertEquals(20, meta3.getMessage()[1]);
         assertEquals(30, meta3.getMessage()[2]);
         assertEquals(0, meta3.getData().length);

         bt = new byte[] {17, -9, 23, 45, 56};
         MetaMessage1 meta1 = new MetaMessage1(bt);
         assertEquals(5, meta1.getLength());
         assertEquals(17, meta1.getStatus());
         assertEquals(247, meta1.getType());
         assertEquals(5, meta1.getMessage().length);
         assertEquals(17, meta1.getMessage()[0]);
         assertEquals(-9, meta1.getMessage()[1]);
         assertEquals(23, meta1.getMessage()[2]);
         assertEquals(45, meta1.getMessage()[3]);
         assertEquals(56, meta1.getMessage()[4]);
         assertEquals(2, meta1.getData().length);
         assertEquals(45, meta1.getData()[0]);
         assertEquals(56, meta1.getData()[1]);
         bt[0] = 98;
         bt[2] = -56;
         bt[3] = -16;
         bt[4] = -3;
         /**
          * values change, but the begin of array that
          * return by method getData() doesn't displace!!!
          */
         assertEquals(5, meta1.getLength());
         assertEquals(98, meta1.getStatus());
         assertEquals(247, meta1.getType());
         assertEquals(5, meta1.getMessage().length);
         assertEquals(98, meta1.getMessage()[0]);
         assertEquals(-9, meta1.getMessage()[1]);
         assertEquals(-56, meta1.getMessage()[2]);
         assertEquals(-16, meta1.getMessage()[3]);
         assertEquals(-3, meta1.getMessage()[4]);
         assertEquals( 2, meta1.getData().length ); //!!!
         assertEquals(-16, meta1.getData()[0]);   //!!!
         assertEquals(-3, meta1.getData()[1]);    //!!!
         byte[] nb = meta1.getData();
         nb[0] = 1;
         nb[1] = 2;
         /**
          * and here values don't change...
          */
         assertEquals(-16, meta1.getData()[0]);
         assertEquals(-3, meta1.getData()[1]);

         bt = new byte[] {17, -9, -23, -45, -56};
         MetaMessage1 meta4 = new MetaMessage1(bt);
         assertEquals(5, meta4.getLength());
         assertEquals(17, meta4.getStatus());
         assertEquals(247, meta4.getType());
         assertEquals(5, meta4.getMessage().length);
         assertEquals(17, meta4.getMessage()[0]);
         assertEquals(-9, meta4.getMessage()[1]);
         assertEquals(-23, meta4.getMessage()[2]);
         assertEquals(-45, meta4.getMessage()[3]);
         assertEquals(-56, meta4.getMessage()[4]);
         try {
             assertEquals(0, meta4.getData().length);
             fail("NegativeArraySizeException expected");
         } catch (NegativeArraySizeException e) {}

         meta.setMessage(10, new byte[100000], 16385);

         meta1 = new MetaMessage1(meta.getMessage());
         assertEquals(16390, meta1.getLength());
         assertEquals(255, meta1.getStatus());
         assertEquals(10, meta1.getType());
         assertEquals(16390, meta1.getMessage().length);
         assertEquals(-1, meta1.getMessage()[0]);
         assertEquals(10, meta1.getMessage()[1]);
         assertEquals(-127, meta1.getMessage()[2]);
         assertEquals(-128, meta1.getMessage()[3]);
         assertEquals(1, meta1.getMessage()[4]);
         assertEquals(16385, meta1.getData().length);
         assertEquals(0, meta1.getData()[0]);
         assertEquals(0, meta1.getData()[1]);

     }

     /**
      * Test constant
      */
     public void test_constants() {
         assertEquals("Value of META", 255, MetaMessage.META);
     }

     /**
      * Test method setMessage( int, byte[], int ) of
      * class MetaMessage with parameters and without its.
      * Class was created using constructor MetaMessage()
      */
     public void test_setMessage1() throws Exception {
         MetaMessage meta = new MetaMessage();
         try {
             meta.setMessage(10, new byte[] { 1, 2, 3 }, 4);
             fail("InvalidMidiDataException expected");
         } catch (InvalidMidiDataException e) {
         }

         try {
             meta.setMessage(10, new byte[] { 1, 2, 3 }, -5);
             fail("InvalidMidiDataException expected");
         } catch (InvalidMidiDataException e) {
         }

         try {
             meta.setMessage(-1, new byte[] { 1, 2, 3 }, 3);
             fail("InvalidMidiDataException expected");
         } catch (InvalidMidiDataException e) {
         }

         try {
             meta.setMessage(128, new byte[] { 1, 2, 3 }, 3);
             fail("InvalidMidiDataException expected");
         } catch (InvalidMidiDataException e) {
         }

         meta.setMessage(18, new byte[] { 1, 2, 3 }, 0);

         assertEquals(3, meta.getLength());
         assertEquals(3, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(18, meta.getMessage()[1]);
         assertEquals(0, meta.getMessage()[2]);
         assertEquals(0, meta.getData().length);

         meta.setMessage(10, new byte[100000], 65535);
         assertEquals(65540, meta.getLength());
         assertEquals(65540, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(10, meta.getMessage()[1]);
         assertEquals(-125, meta.getMessage()[2]);
         assertEquals(-1, meta.getMessage()[3]);
         assertEquals(127, meta.getMessage()[4]);

         meta.setMessage(10, new byte[100000], 16385);
         assertEquals(16390, meta.getLength());
         assertEquals(16390, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(10, meta.getMessage()[1]);
         assertEquals(-127, meta.getMessage()[2]);
         assertEquals(-128, meta.getMessage()[3]);
         assertEquals(1, meta.getMessage()[4]);

         byte[] bt = new byte[] { 1, 2, 3, 4 };
         meta.setMessage(10, bt, 4);
         assertEquals(7, meta.getLength());
         assertEquals(255, meta.getStatus());
         assertEquals(10, meta.getType());
         assertEquals(4, meta.getData().length);
         assertEquals(1, meta.getData()[0]);
         assertEquals(2, meta.getData()[1]);
         assertEquals(3, meta.getData()[2]);
         assertEquals(4, meta.getData()[3]);
         assertEquals(7, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(10, meta.getMessage()[1]);
         assertEquals(4, meta.getMessage()[2]);
         assertEquals(1, meta.getMessage()[3]);
         assertEquals(2, meta.getMessage()[4]);
         assertEquals(3, meta.getMessage()[5]);
         assertEquals(4, meta.getMessage()[6]);
         bt[0] = 0;
         bt[1] = 1;
         bt[2] = 2;
         bt[3] = 3;
         /**
          * values don't change
          */
         assertEquals(7, meta.getLength());
         assertEquals(255, meta.getStatus());
         assertEquals(10, meta.getType());
         assertEquals(4, meta.getData().length);
         assertEquals(1, meta.getData()[0]);
         assertEquals(2, meta.getData()[1]);
         assertEquals(3, meta.getData()[2]);
         assertEquals(4, meta.getData()[3]);
         assertEquals(7, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(10, meta.getMessage()[1]);
         assertEquals(4, meta.getMessage()[2]);
         assertEquals(1, meta.getMessage()[3]);
         assertEquals(2, meta.getMessage()[4]);
         assertEquals(3, meta.getMessage()[5]);
         assertEquals(4, meta.getMessage()[6]);

         meta.setMessage(12, null, 0);

         assertEquals(3, meta.getLength());
         assertEquals(255, meta.getStatus());
         assertEquals(12, meta.getType());
         assertEquals(0, meta.getData().length);
         assertEquals(3, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(12, meta.getMessage()[1]);
         assertEquals(0, meta.getMessage()[2]);

         /**
          * I will testing following condition after throw out exception;
          * it must be the same after it
          */
         try {
             meta.setMessage(10, new byte[] { 1, 2, 3, 4 }, 4);
         } catch (InvalidMidiDataException e) {}

         try {
             meta.setMessage(12, new byte[0], 9);
             fail("InvalidMidiDataException expected");
         } catch (InvalidMidiDataException e) {}
         assertEquals(7, meta.getLength());
         assertEquals(255, meta.getStatus());
         assertEquals(10, meta.getType());
         assertEquals(4, meta.getData().length);
         assertEquals(1, meta.getData()[0]);
         assertEquals(2, meta.getData()[1]);
         assertEquals(3, meta.getData()[2]);
         assertEquals(4, meta.getData()[3]);
         assertEquals(7, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(10, meta.getMessage()[1]);
         assertEquals(4, meta.getMessage()[2]);
         assertEquals(1, meta.getMessage()[3]);
         assertEquals(2, meta.getMessage()[4]);
         assertEquals(3, meta.getMessage()[5]);
         assertEquals(4, meta.getMessage()[6]);

         try {
             meta.setMessage(12, null, 9);
             fail("NullPointerException expected");
         } catch (NullPointerException e) {}
         assertEquals(7, meta.getLength());
         assertEquals(255, meta.getStatus());
         assertEquals(10, meta.getType());
         assertEquals(4, meta.getData().length);
         assertEquals(1, meta.getData()[0]);
         assertEquals(2, meta.getData()[1]);
         assertEquals(3, meta.getData()[2]);
         assertEquals(4, meta.getData()[3]);
         assertEquals(7, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(10, meta.getMessage()[1]);
         assertEquals(4, meta.getMessage()[2]);
         assertEquals(1, meta.getMessage()[3]);
         assertEquals(2, meta.getMessage()[4]);
         assertEquals(3, meta.getMessage()[5]);
         assertEquals(4, meta.getMessage()[6]);

         try {
             meta.setMessage(12, null, -9);
             fail("InvalidMidiDataException expected");
         } catch (InvalidMidiDataException e) {}
         assertEquals(7, meta.getLength());
         assertEquals(255, meta.getStatus());
         assertEquals(10, meta.getType());
         assertEquals(4, meta.getData().length);
         assertEquals(1, meta.getData()[0]);
         assertEquals(2, meta.getData()[1]);
         assertEquals(3, meta.getData()[2]);
         assertEquals(4, meta.getData()[3]);
         assertEquals(7, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(10, meta.getMessage()[1]);
         assertEquals(4, meta.getMessage()[2]);
         assertEquals(1, meta.getMessage()[3]);
         assertEquals(2, meta.getMessage()[4]);
         assertEquals(3, meta.getMessage()[5]);
         assertEquals(4, meta.getMessage()[6]);
     }

     /**
      * Test method setMessage( int, byte[], int ) of
      * class MetaMessage with parameters and without its.
      * Class was created using constructor MetaMessage( byte[] )
      */
     public void test_setMessage2() throws Exception {
         MetaMessage1 meta = new MetaMessage1(new byte[] { -23, 18, 87, 34, -90 });
         try {
             meta.setMessage(10, new byte[] { 1, 2, 3 }, 4);
             fail("InvalidMidiDataException expected");
         } catch (InvalidMidiDataException e) {}

         try {
             meta.setMessage(10, new byte[] { 1, 2, 3 }, -5);
             fail("InvalidMidiDataException expected");
         } catch (InvalidMidiDataException e) {}

         try {
             meta.setMessage(-1, new byte[] { 1, 2, 3 }, 3);
             fail("InvalidMidiDataException expected");
         } catch (InvalidMidiDataException e) {}

         try {
             meta.setMessage(128, new byte[] { 1, 2, 3 }, 3);
             fail("InvalidMidiDataException expected");
         } catch (InvalidMidiDataException e) {}

         meta.setMessage(10, new byte[] { 1, 2, 3, 4 }, 4);

         assertEquals(7, meta.getLength());
         assertEquals(255, meta.getStatus());
         assertEquals(10, meta.getType());
         assertEquals(4, meta.getData().length);
         assertEquals(1, meta.getData()[0]);
         assertEquals(2, meta.getData()[1]);
         assertEquals(3, meta.getData()[2]);
         assertEquals(4, meta.getData()[3]);
         assertEquals(7, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(10, meta.getMessage()[1]);
         assertEquals(4, meta.getMessage()[2]);
         assertEquals(1, meta.getMessage()[3]);
         assertEquals(2, meta.getMessage()[4]);
         assertEquals(3, meta.getMessage()[5]);
         assertEquals(4, meta.getMessage()[6]);

         meta.setMessage(10, new byte[] { 1, 2, 3, 4 }, 2);

         assertEquals(5, meta.getLength());
         assertEquals(255, meta.getStatus());
         assertEquals(10, meta.getType());
         assertEquals(2, meta.getData().length);
         assertEquals(1, meta.getData()[0]);
         assertEquals(2, meta.getData()[1]);
         assertEquals(5, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(10, meta.getMessage()[1]);
         assertEquals(2, meta.getMessage()[2]);
         assertEquals(1, meta.getMessage()[3]);
         assertEquals(2, meta.getMessage()[4]);

         meta.setMessage(12, null, 0);
         assertEquals(3, meta.getLength());
         assertEquals(255, meta.getStatus());
         assertEquals(12, meta.getType());
         assertEquals(0, meta.getData().length);
         assertEquals(3, meta.getMessage().length);
         assertEquals(-1, meta.getMessage()[0]);
         assertEquals(12, meta.getMessage()[1]);
         assertEquals(0, meta.getMessage()[2]);

     }

     /**
      * Test method getType() of class MetaMessage
      *
      */
     public void test_getType() throws Exception {
         MetaMessage meta = new MetaMessage();
         assertEquals(0, meta.getType());

         byte[] bt = new byte[] { 9, -4, 34, 18 };
         MetaMessage1 meta2 = new MetaMessage1(bt);
         assertEquals(252, meta2.getType());
         bt[1] = 5;
         /**
          * value change
          */
         assertEquals(5, meta2.getType());

         meta.setMessage(10, new byte[] { 1, 2, 3, 4 }, 4);
         assertEquals(10, meta.getType());

         meta.setMessage(27, null, 0);
         assertEquals(27, meta.getType());
     }

     /**
      * Test method getData() of class MetaMessage
      *
      */
     public void test_getData() throws Exception {
         MetaMessage meta = new MetaMessage();
         assertEquals(0, meta.getData().length);

         byte[] bt = new byte[] { 18, 43, 27, -90, 4 };
         MetaMessage1 meta1 = new MetaMessage1(bt);
         assertEquals(2, meta1.getData().length);
         assertEquals(-90, meta1.getData()[0]);
         assertEquals(4, meta1.getData()[1]);
         bt[3] = 67;
         bt[4] = -16;
         /**
          * values change
          */
         assertEquals(67, meta1.getData()[0]);
         assertEquals(-16, meta1.getData()[1]);

         MetaMessage1 meta2 = new MetaMessage1(new byte[] { 18, 43, 27 });
         assertEquals(0, meta2.getData().length);

         bt = new byte[] { 1, 2, 3, 4 };
         meta.setMessage(10, bt, 4);
         assertEquals(4, meta.getData().length);
         assertEquals(1, meta.getData()[0]);
         assertEquals(2, meta.getData()[1]);
         assertEquals(3, meta.getData()[2]);
         assertEquals(4, meta.getData()[3]);
         bt[0] = 34;
         bt[1] = -17;
         bt[2] = 90;
         bt[3] = -6;
         /**
          * values don't change
          */
         assertEquals(1, meta.getData()[0]);
         assertEquals(2, meta.getData()[1]);
         assertEquals(3, meta.getData()[2]);
         assertEquals(4, meta.getData()[3]);

         meta.setMessage(12, null, 0);
         assertNotNull(meta.getData());
         assertEquals(0, meta.getData().length);
     }

     /**
      * Test method clone() of class MetaMessage.
      */
     public void test_clone1() {
         MetaMessage meta = new MetaMessage();
         assertTrue(meta.clone() != meta);
         assertEquals(meta.clone().getClass(), meta.getClass());
         MetaMessage tmeta;
         tmeta = (MetaMessage) meta.clone();
         assertEquals(meta.getLength(), tmeta.getLength());
         assertEquals(meta.getMessage().length, tmeta.getMessage().length);
         assertEquals(meta.getData().length, tmeta.getData().length);
         if (meta.getData().length != 0) {
             for (int i = 0; i < meta.getData().length; i++) {
                 assertEquals(meta.getData()[i], tmeta.getData()[i]);
             }
         }
         if (meta.getMessage().length != 0) {
             for (int i = 0; i < meta.getMessage().length; i++) {
                 assertEquals(meta.getMessage()[i], tmeta.getMessage()[i]);
             }
         }
     }

     /**
      * Test method clone() of class MetaMessage.
      */
     public void test_clone2() throws Exception {
         MetaMessage meta = new MetaMessage();

         meta.setMessage(23, new byte[] { 23, 45, -90 }, 2);

         assertTrue(meta.clone() != meta);
         assertEquals(meta.clone().getClass(), meta.getClass());
         MetaMessage tmeta;
         tmeta = (MetaMessage) meta.clone();
         assertEquals(meta.getLength(), tmeta.getLength());
         assertEquals(meta.getMessage().length, tmeta.getMessage().length);
         assertEquals(meta.getData().length, tmeta.getData().length);
         if (meta.getData().length != 0) {
             for (int i = 0; i < meta.getData().length; i++) {
                 assertEquals(meta.getData()[i], tmeta.getData()[i]);
             }
         }
         if (meta.getMessage().length != 0) {
             for (int i = 0; i < meta.getMessage().length; i++) {
                 assertEquals(meta.getMessage()[i], tmeta.getMessage()[i]);
             }
         }
     }

     /**
      * Test method clone() of class MetaMessage.
      */
     public void test_clone3() throws Exception {
         MetaMessage meta = new MetaMessage();
         meta.setMessage(23, null, 0);

         assertTrue(meta.clone() != meta);
         assertEquals(meta.clone().getClass(), meta.getClass());
         MetaMessage tmeta;
         tmeta = (MetaMessage) meta.clone();
         assertEquals(meta.getLength(), tmeta.getLength());
         assertEquals(meta.getMessage().length, tmeta.getMessage().length);
         assertEquals(meta.getData().length, tmeta.getData().length);
         if (meta.getData().length != 0) {
             for (int i = 0; i < meta.getData().length; i++) {
                 assertEquals(meta.getData()[i], tmeta.getData()[i]);
             }
         }
         if (meta.getMessage().length != 0) {
             for (int i = 0; i < meta.getMessage().length; i++) {
                 assertEquals(meta.getMessage()[i], tmeta.getMessage()[i]);
             }
         }
     }

     public void test_clone4() throws Exception {
         byte[] bt = new byte[] {1, 2, 3, 4};
         MetaMessage1 meta = new MetaMessage1(bt);
         assertTrue(meta.clone() != meta);

         MetaMessage tmeta;
         tmeta = (MetaMessage) meta.clone();
         bt[0] = 34;
         bt[1] = 15;
         bt[2] = 89;
         bt[3] = 1;
         assertEquals(meta.getLength(), tmeta.getLength());
         assertEquals(meta.getMessage().length, tmeta.getMessage().length);
         assertEquals(meta.getData().length, tmeta.getData().length);
         /**
          * 'real' MetaMessage change, but 'clone' not
          */
         assertEquals(1, meta.getData()[0]);
         assertEquals(34, meta.getMessage()[0]);
         assertEquals(15, meta.getMessage()[1]);
         assertEquals(89, meta.getMessage()[2]);
         assertEquals(1, meta.getMessage()[3]);

         assertEquals(4, tmeta.getData()[0]);
         assertEquals(1, tmeta.getMessage()[0]);
         assertEquals(2, tmeta.getMessage()[1]);
         assertEquals(3, tmeta.getMessage()[2]);
         assertEquals(4, tmeta.getMessage()[3]);
     }

     /**
      * Subsidiary class in order to testing constructor
      * of class Instrument, because it declared as protected
      */
     static class MetaMessage1 extends MetaMessage {
         MetaMessage1(byte[] data) {
             super(data);
         }
     }
 }
	/*
	* Licensed to the Apache Software Foundation (ASF) under one or more
	* contributor license agreements. See the NOTICE file distributed with
	* this work for additional information regarding copyright ownership.
	* The ASF licenses this file to You under the Apache License, Version 2.0
	* (the "License"); you may not use this file except in compliance with
	* the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package org.apache.harmony.sound.tests.javax.sound.midi;

	import javax.sound.midi.MetaMessage;
	import javax.sound.midi.InvalidMidiDataException;
	import junit.framework.TestCase;

	public class MetaMessageTest extends TestCase {
	/**
	* Test constructors of class MetaMessage
	* with parameters and without its.
	*/
	public void test_constructor_MetaMessage() throws Exception {
	MetaMessage meta = new MetaMessage();
	assertEquals(2, meta.getLength());
	assertEquals(255, meta.getStatus());
	assertEquals(0, meta.getType());
	assertEquals(2, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(0, meta.getMessage()[1]);
	assertEquals(0, meta.getData().length);

	/**
	* the condition of the object must be the same
	* after throw out exception
	*/
	try {
	meta = new MetaMessage1(null);
	fail("NullPointerException expected");
	} catch (NullPointerException e) {}

	assertEquals(2, meta.getLength());
	assertEquals(255, meta.getStatus());
	assertEquals(0, meta.getType());
	assertEquals(2, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(0, meta.getMessage()[1]);
	assertEquals(0, meta.getData().length);

	byte[] bt = new byte[] {-87, 19, 4};
	MetaMessage1 meta3 = new MetaMessage1(bt);
	assertEquals(3, meta3.getLength());
	assertEquals(169, meta3.getStatus());
	assertEquals(19, meta3.getType());
	assertEquals(3, meta3.getMessage().length);
	assertEquals(-87, meta3.getMessage()[0]);
	assertEquals(19, meta3.getMessage()[1]);
	assertEquals(4, meta3.getMessage()[2]);
	assertEquals(0, meta3.getData().length);
	bt[0] = 10;
	bt[1] = 20;
	bt[2] = 30;
	/**
	* values change!!!
	*/
	assertEquals(10, meta3.getStatus());
	assertEquals(20, meta3.getType());
	assertEquals(3, meta3.getMessage().length);
	assertEquals(10, meta3.getMessage()[0]);
	assertEquals(20, meta3.getMessage()[1]);
	assertEquals(30, meta3.getMessage()[2]);
	assertEquals(0, meta3.getData().length);

	bt = new byte[] {17, -9, 23, 45, 56};
	MetaMessage1 meta1 = new MetaMessage1(bt);
	assertEquals(5, meta1.getLength());
	assertEquals(17, meta1.getStatus());
	assertEquals(247, meta1.getType());
	assertEquals(5, meta1.getMessage().length);
	assertEquals(17, meta1.getMessage()[0]);
	assertEquals(-9, meta1.getMessage()[1]);
	assertEquals(23, meta1.getMessage()[2]);
	assertEquals(45, meta1.getMessage()[3]);
	assertEquals(56, meta1.getMessage()[4]);
	assertEquals(2, meta1.getData().length);
	assertEquals(45, meta1.getData()[0]);
	assertEquals(56, meta1.getData()[1]);
	bt[0] = 98;
	bt[2] = -56;
	bt[3] = -16;
	bt[4] = -3;
	/**
	* values change, but the begin of array that
	* return by method getData() doesn't displace!!!
	*/
	assertEquals(5, meta1.getLength());
	assertEquals(98, meta1.getStatus());
	assertEquals(247, meta1.getType());
	assertEquals(5, meta1.getMessage().length);
	assertEquals(98, meta1.getMessage()[0]);
	assertEquals(-9, meta1.getMessage()[1]);
	assertEquals(-56, meta1.getMessage()[2]);
	assertEquals(-16, meta1.getMessage()[3]);
	assertEquals(-3, meta1.getMessage()[4]);
	assertEquals( 2, meta1.getData().length ); //!!!
	assertEquals(-16, meta1.getData()[0]); //!!!
	assertEquals(-3, meta1.getData()[1]); //!!!
	byte[] nb = meta1.getData();
	nb[0] = 1;
	nb[1] = 2;
	/**
	* and here values don't change...
	*/
	assertEquals(-16, meta1.getData()[0]);
	assertEquals(-3, meta1.getData()[1]);

	bt = new byte[] {17, -9, -23, -45, -56};
	MetaMessage1 meta4 = new MetaMessage1(bt);
	assertEquals(5, meta4.getLength());
	assertEquals(17, meta4.getStatus());
	assertEquals(247, meta4.getType());
	assertEquals(5, meta4.getMessage().length);
	assertEquals(17, meta4.getMessage()[0]);
	assertEquals(-9, meta4.getMessage()[1]);
	assertEquals(-23, meta4.getMessage()[2]);
	assertEquals(-45, meta4.getMessage()[3]);
	assertEquals(-56, meta4.getMessage()[4]);
	try {
	assertEquals(0, meta4.getData().length);
	fail("NegativeArraySizeException expected");
	} catch (NegativeArraySizeException e) {}

	meta.setMessage(10, new byte[100000], 16385);

	meta1 = new MetaMessage1(meta.getMessage());
	assertEquals(16390, meta1.getLength());
	assertEquals(255, meta1.getStatus());
	assertEquals(10, meta1.getType());
	assertEquals(16390, meta1.getMessage().length);
	assertEquals(-1, meta1.getMessage()[0]);
	assertEquals(10, meta1.getMessage()[1]);
	assertEquals(-127, meta1.getMessage()[2]);
	assertEquals(-128, meta1.getMessage()[3]);
	assertEquals(1, meta1.getMessage()[4]);
	assertEquals(16385, meta1.getData().length);
	assertEquals(0, meta1.getData()[0]);
	assertEquals(0, meta1.getData()[1]);

	}

	/**
	* Test constant
	*/
	public void test_constants() {
	assertEquals("Value of META", 255, MetaMessage.META);
	}

	/**
	* Test method setMessage( int, byte[], int ) of
	* class MetaMessage with parameters and without its.
	* Class was created using constructor MetaMessage()
	*/
	public void test_setMessage1() throws Exception {
	MetaMessage meta = new MetaMessage();
	try {
	meta.setMessage(10, new byte[] { 1, 2, 3 }, 4);
	fail("InvalidMidiDataException expected");
	} catch (InvalidMidiDataException e) {
	}

	try {
	meta.setMessage(10, new byte[] { 1, 2, 3 }, -5);
	fail("InvalidMidiDataException expected");
	} catch (InvalidMidiDataException e) {
	}

	try {
	meta.setMessage(-1, new byte[] { 1, 2, 3 }, 3);
	fail("InvalidMidiDataException expected");
	} catch (InvalidMidiDataException e) {
	}

	try {
	meta.setMessage(128, new byte[] { 1, 2, 3 }, 3);
	fail("InvalidMidiDataException expected");
	} catch (InvalidMidiDataException e) {
	}

	meta.setMessage(18, new byte[] { 1, 2, 3 }, 0);

	assertEquals(3, meta.getLength());
	assertEquals(3, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(18, meta.getMessage()[1]);
	assertEquals(0, meta.getMessage()[2]);
	assertEquals(0, meta.getData().length);

	meta.setMessage(10, new byte[100000], 65535);
	assertEquals(65540, meta.getLength());
	assertEquals(65540, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(10, meta.getMessage()[1]);
	assertEquals(-125, meta.getMessage()[2]);
	assertEquals(-1, meta.getMessage()[3]);
	assertEquals(127, meta.getMessage()[4]);

	meta.setMessage(10, new byte[100000], 16385);
	assertEquals(16390, meta.getLength());
	assertEquals(16390, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(10, meta.getMessage()[1]);
	assertEquals(-127, meta.getMessage()[2]);
	assertEquals(-128, meta.getMessage()[3]);
	assertEquals(1, meta.getMessage()[4]);

	byte[] bt = new byte[] { 1, 2, 3, 4 };
	meta.setMessage(10, bt, 4);
	assertEquals(7, meta.getLength());
	assertEquals(255, meta.getStatus());
	assertEquals(10, meta.getType());
	assertEquals(4, meta.getData().length);
	assertEquals(1, meta.getData()[0]);
	assertEquals(2, meta.getData()[1]);
	assertEquals(3, meta.getData()[2]);
	assertEquals(4, meta.getData()[3]);
	assertEquals(7, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(10, meta.getMessage()[1]);
	assertEquals(4, meta.getMessage()[2]);
	assertEquals(1, meta.getMessage()[3]);
	assertEquals(2, meta.getMessage()[4]);
	assertEquals(3, meta.getMessage()[5]);
	assertEquals(4, meta.getMessage()[6]);
	bt[0] = 0;
	bt[1] = 1;
	bt[2] = 2;
	bt[3] = 3;
	/**
	* values don't change
	*/
	assertEquals(7, meta.getLength());
	assertEquals(255, meta.getStatus());
	assertEquals(10, meta.getType());
	assertEquals(4, meta.getData().length);
	assertEquals(1, meta.getData()[0]);
	assertEquals(2, meta.getData()[1]);
	assertEquals(3, meta.getData()[2]);
	assertEquals(4, meta.getData()[3]);
	assertEquals(7, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(10, meta.getMessage()[1]);
	assertEquals(4, meta.getMessage()[2]);
	assertEquals(1, meta.getMessage()[3]);
	assertEquals(2, meta.getMessage()[4]);
	assertEquals(3, meta.getMessage()[5]);
	assertEquals(4, meta.getMessage()[6]);

	meta.setMessage(12, null, 0);

	assertEquals(3, meta.getLength());
	assertEquals(255, meta.getStatus());
	assertEquals(12, meta.getType());
	assertEquals(0, meta.getData().length);
	assertEquals(3, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(12, meta.getMessage()[1]);
	assertEquals(0, meta.getMessage()[2]);

	/**
	* I will testing following condition after throw out exception;
	* it must be the same after it
	*/
	try {
	meta.setMessage(10, new byte[] { 1, 2, 3, 4 }, 4);
	} catch (InvalidMidiDataException e) {}

	try {
	meta.setMessage(12, new byte[0], 9);
	fail("InvalidMidiDataException expected");
	} catch (InvalidMidiDataException e) {}
	assertEquals(7, meta.getLength());
	assertEquals(255, meta.getStatus());
	assertEquals(10, meta.getType());
	assertEquals(4, meta.getData().length);
	assertEquals(1, meta.getData()[0]);
	assertEquals(2, meta.getData()[1]);
	assertEquals(3, meta.getData()[2]);
	assertEquals(4, meta.getData()[3]);
	assertEquals(7, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(10, meta.getMessage()[1]);
	assertEquals(4, meta.getMessage()[2]);
	assertEquals(1, meta.getMessage()[3]);
	assertEquals(2, meta.getMessage()[4]);
	assertEquals(3, meta.getMessage()[5]);
	assertEquals(4, meta.getMessage()[6]);

	try {
	meta.setMessage(12, null, 9);
	fail("NullPointerException expected");
	} catch (NullPointerException e) {}
	assertEquals(7, meta.getLength());
	assertEquals(255, meta.getStatus());
	assertEquals(10, meta.getType());
	assertEquals(4, meta.getData().length);
	assertEquals(1, meta.getData()[0]);
	assertEquals(2, meta.getData()[1]);
	assertEquals(3, meta.getData()[2]);
	assertEquals(4, meta.getData()[3]);
	assertEquals(7, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(10, meta.getMessage()[1]);
	assertEquals(4, meta.getMessage()[2]);
	assertEquals(1, meta.getMessage()[3]);
	assertEquals(2, meta.getMessage()[4]);
	assertEquals(3, meta.getMessage()[5]);
	assertEquals(4, meta.getMessage()[6]);

	try {
	meta.setMessage(12, null, -9);
	fail("InvalidMidiDataException expected");
	} catch (InvalidMidiDataException e) {}
	assertEquals(7, meta.getLength());
	assertEquals(255, meta.getStatus());
	assertEquals(10, meta.getType());
	assertEquals(4, meta.getData().length);
	assertEquals(1, meta.getData()[0]);
	assertEquals(2, meta.getData()[1]);
	assertEquals(3, meta.getData()[2]);
	assertEquals(4, meta.getData()[3]);
	assertEquals(7, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(10, meta.getMessage()[1]);
	assertEquals(4, meta.getMessage()[2]);
	assertEquals(1, meta.getMessage()[3]);
	assertEquals(2, meta.getMessage()[4]);
	assertEquals(3, meta.getMessage()[5]);
	assertEquals(4, meta.getMessage()[6]);
	}

	/**
	* Test method setMessage( int, byte[], int ) of
	* class MetaMessage with parameters and without its.
	* Class was created using constructor MetaMessage( byte[] )
	*/
	public void test_setMessage2() throws Exception {
	MetaMessage1 meta = new MetaMessage1(new byte[] { -23, 18, 87, 34, -90 });
	try {
	meta.setMessage(10, new byte[] { 1, 2, 3 }, 4);
	fail("InvalidMidiDataException expected");
	} catch (InvalidMidiDataException e) {}

	try {
	meta.setMessage(10, new byte[] { 1, 2, 3 }, -5);
	fail("InvalidMidiDataException expected");
	} catch (InvalidMidiDataException e) {}

	try {
	meta.setMessage(-1, new byte[] { 1, 2, 3 }, 3);
	fail("InvalidMidiDataException expected");
	} catch (InvalidMidiDataException e) {}

	try {
	meta.setMessage(128, new byte[] { 1, 2, 3 }, 3);
	fail("InvalidMidiDataException expected");
	} catch (InvalidMidiDataException e) {}

	meta.setMessage(10, new byte[] { 1, 2, 3, 4 }, 4);

	assertEquals(7, meta.getLength());
	assertEquals(255, meta.getStatus());
	assertEquals(10, meta.getType());
	assertEquals(4, meta.getData().length);
	assertEquals(1, meta.getData()[0]);
	assertEquals(2, meta.getData()[1]);
	assertEquals(3, meta.getData()[2]);
	assertEquals(4, meta.getData()[3]);
	assertEquals(7, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(10, meta.getMessage()[1]);
	assertEquals(4, meta.getMessage()[2]);
	assertEquals(1, meta.getMessage()[3]);
	assertEquals(2, meta.getMessage()[4]);
	assertEquals(3, meta.getMessage()[5]);
	assertEquals(4, meta.getMessage()[6]);

	meta.setMessage(10, new byte[] { 1, 2, 3, 4 }, 2);

	assertEquals(5, meta.getLength());
	assertEquals(255, meta.getStatus());
	assertEquals(10, meta.getType());
	assertEquals(2, meta.getData().length);
	assertEquals(1, meta.getData()[0]);
	assertEquals(2, meta.getData()[1]);
	assertEquals(5, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(10, meta.getMessage()[1]);
	assertEquals(2, meta.getMessage()[2]);
	assertEquals(1, meta.getMessage()[3]);
	assertEquals(2, meta.getMessage()[4]);

	meta.setMessage(12, null, 0);
	assertEquals(3, meta.getLength());
	assertEquals(255, meta.getStatus());
	assertEquals(12, meta.getType());
	assertEquals(0, meta.getData().length);
	assertEquals(3, meta.getMessage().length);
	assertEquals(-1, meta.getMessage()[0]);
	assertEquals(12, meta.getMessage()[1]);
	assertEquals(0, meta.getMessage()[2]);

	}

	/**
	* Test method getType() of class MetaMessage
	*
	*/
	public void test_getType() throws Exception {
	MetaMessage meta = new MetaMessage();
	assertEquals(0, meta.getType());

	byte[] bt = new byte[] { 9, -4, 34, 18 };
	MetaMessage1 meta2 = new MetaMessage1(bt);
	assertEquals(252, meta2.getType());
	bt[1] = 5;
	/**
	* value change
	*/
	assertEquals(5, meta2.getType());

	meta.setMessage(10, new byte[] { 1, 2, 3, 4 }, 4);
	assertEquals(10, meta.getType());

	meta.setMessage(27, null, 0);
	assertEquals(27, meta.getType());
	}

	/**
	* Test method getData() of class MetaMessage
	*
	*/
	public void test_getData() throws Exception {
	MetaMessage meta = new MetaMessage();
	assertEquals(0, meta.getData().length);

	byte[] bt = new byte[] { 18, 43, 27, -90, 4 };
	MetaMessage1 meta1 = new MetaMessage1(bt);
	assertEquals(2, meta1.getData().length);
	assertEquals(-90, meta1.getData()[0]);
	assertEquals(4, meta1.getData()[1]);
	bt[3] = 67;
	bt[4] = -16;
	/**
	* values change
	*/
	assertEquals(67, meta1.getData()[0]);
	assertEquals(-16, meta1.getData()[1]);

	MetaMessage1 meta2 = new MetaMessage1(new byte[] { 18, 43, 27 });
	assertEquals(0, meta2.getData().length);

	bt = new byte[] { 1, 2, 3, 4 };
	meta.setMessage(10, bt, 4);
	assertEquals(4, meta.getData().length);
	assertEquals(1, meta.getData()[0]);
	assertEquals(2, meta.getData()[1]);
	assertEquals(3, meta.getData()[2]);
	assertEquals(4, meta.getData()[3]);
	bt[0] = 34;
	bt[1] = -17;
	bt[2] = 90;
	bt[3] = -6;
	/**
	* values don't change
	*/
	assertEquals(1, meta.getData()[0]);
	assertEquals(2, meta.getData()[1]);
	assertEquals(3, meta.getData()[2]);
	assertEquals(4, meta.getData()[3]);

	meta.setMessage(12, null, 0);
	assertNotNull(meta.getData());
	assertEquals(0, meta.getData().length);
	}

	/**
	* Test method clone() of class MetaMessage.
	*/
	public void test_clone1() {
	MetaMessage meta = new MetaMessage();
	assertTrue(meta.clone() != meta);
	assertEquals(meta.clone().getClass(), meta.getClass());
	MetaMessage tmeta;
	tmeta = (MetaMessage) meta.clone();
	assertEquals(meta.getLength(), tmeta.getLength());
	assertEquals(meta.getMessage().length, tmeta.getMessage().length);
	assertEquals(meta.getData().length, tmeta.getData().length);
	if (meta.getData().length != 0) {
	for (int i = 0; i < meta.getData().length; i++) {
	assertEquals(meta.getData()[i], tmeta.getData()[i]);
	}
	}
	if (meta.getMessage().length != 0) {
	for (int i = 0; i < meta.getMessage().length; i++) {
	assertEquals(meta.getMessage()[i], tmeta.getMessage()[i]);
	}
	}
	}

	/**
	* Test method clone() of class MetaMessage.
	*/
	public void test_clone2() throws Exception {
	MetaMessage meta = new MetaMessage();

	meta.setMessage(23, new byte[] { 23, 45, -90 }, 2);

	assertTrue(meta.clone() != meta);
	assertEquals(meta.clone().getClass(), meta.getClass());
	MetaMessage tmeta;
	tmeta = (MetaMessage) meta.clone();
	assertEquals(meta.getLength(), tmeta.getLength());
	assertEquals(meta.getMessage().length, tmeta.getMessage().length);
	assertEquals(meta.getData().length, tmeta.getData().length);
	if (meta.getData().length != 0) {
	for (int i = 0; i < meta.getData().length; i++) {
	assertEquals(meta.getData()[i], tmeta.getData()[i]);
	}
	}
	if (meta.getMessage().length != 0) {
	for (int i = 0; i < meta.getMessage().length; i++) {
	assertEquals(meta.getMessage()[i], tmeta.getMessage()[i]);
	}
	}
	}

	/**
	* Test method clone() of class MetaMessage.
	*/
	public void test_clone3() throws Exception {
	MetaMessage meta = new MetaMessage();
	meta.setMessage(23, null, 0);

	assertTrue(meta.clone() != meta);
	assertEquals(meta.clone().getClass(), meta.getClass());
	MetaMessage tmeta;
	tmeta = (MetaMessage) meta.clone();
	assertEquals(meta.getLength(), tmeta.getLength());
	assertEquals(meta.getMessage().length, tmeta.getMessage().length);
	assertEquals(meta.getData().length, tmeta.getData().length);
	if (meta.getData().length != 0) {
	for (int i = 0; i < meta.getData().length; i++) {
	assertEquals(meta.getData()[i], tmeta.getData()[i]);
	}
	}
	if (meta.getMessage().length != 0) {
	for (int i = 0; i < meta.getMessage().length; i++) {
	assertEquals(meta.getMessage()[i], tmeta.getMessage()[i]);
	}
	}
	}

	public void test_clone4() throws Exception {
	byte[] bt = new byte[] {1, 2, 3, 4};
	MetaMessage1 meta = new MetaMessage1(bt);
	assertTrue(meta.clone() != meta);

	MetaMessage tmeta;
	tmeta = (MetaMessage) meta.clone();
	bt[0] = 34;
	bt[1] = 15;
	bt[2] = 89;
	bt[3] = 1;
	assertEquals(meta.getLength(), tmeta.getLength());
	assertEquals(meta.getMessage().length, tmeta.getMessage().length);
	assertEquals(meta.getData().length, tmeta.getData().length);
	/**
	* 'real' MetaMessage change, but 'clone' not
	*/
	assertEquals(1, meta.getData()[0]);
	assertEquals(34, meta.getMessage()[0]);
	assertEquals(15, meta.getMessage()[1]);
	assertEquals(89, meta.getMessage()[2]);
	assertEquals(1, meta.getMessage()[3]);

	assertEquals(4, tmeta.getData()[0]);
	assertEquals(1, tmeta.getMessage()[0]);
	assertEquals(2, tmeta.getMessage()[1]);
	assertEquals(3, tmeta.getMessage()[2]);
	assertEquals(4, tmeta.getMessage()[3]);
	}

	/**
	* Subsidiary class in order to testing constructor
	* of class Instrument, because it declared as protected
	*/
	static class MetaMessage1 extends MetaMessage {
	MetaMessage1(byte[] data) {
	super(data);
	}
	}
	}