
/* ====================================================================
   Copyright 2002-2004   Apache Software Foundation

   Licensed 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.poi.hpsf.basic;

import junit.framework.Assert;
import junit.framework.TestCase;

import org.apache.poi.hpsf.ClassID;

/**
 * <p>Tests ClassID structure.</p>
 *
 * @author Michael Zalewski (zalewski@optonline.net)
 */
public class TestClassID extends TestCase
{
    /**
     * <p>Constructor</p>
     * 
     * @param name the test case's name
     */
    public TestClassID(final String name)
    {
        super(name);
    }

    /**
     * Various tests of overridden .equals()
     */
    public void testEquals()
    {
        ClassID clsidTest1 = new ClassID(
              new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08
                         , 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10 }
            , 0
        );
        ClassID clsidTest2 = new ClassID(
              new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08
                         , 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10 }
            , 0
        );
        ClassID clsidTest3 = new ClassID(
              new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08
                         , 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x11 }
            , 0
        );
        Assert.assertEquals( clsidTest1, clsidTest1);
        Assert.assertEquals( clsidTest1, clsidTest2);
        Assert.assertFalse( clsidTest1.equals( clsidTest3));
        Assert.assertFalse( clsidTest1.equals( null));
    }
    /**
     * Try to write to a buffer that is too small. This should
     *   throw an Exception
     */
    public void testWriteArrayStoreException()
    {
        ClassID clsidTest = new ClassID(
              new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08
                         , 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10 }
            , 0
        );
        boolean bExceptionOccurred = false;
        try {
            clsidTest.write( new byte[ 15], 0);
        } catch( Exception e) {
            bExceptionOccurred = true;
        }
        Assert.assertTrue( bExceptionOccurred);

        bExceptionOccurred = false;
        try {
            clsidTest.write( new byte[ 16], 1);
        } catch( Exception e) {
            bExceptionOccurred = true;
        }
        Assert.assertTrue( bExceptionOccurred);

        // These should work without throwing an Exception
        bExceptionOccurred = false;
        try {
            clsidTest.write( new byte[ 16], 0);
            clsidTest.write( new byte[ 17], 1);
        } catch( Exception e) {
            bExceptionOccurred = true;
        }
        Assert.assertFalse( bExceptionOccurred);
    }
    /**
     * <p>Tests the {@link PropertySet} methods. The test file has two
     * property set: the first one is a {@link SummaryInformation},
     * the second one is a {@link DocumentSummaryInformation}.</p>
     */
    public void testClassID()
    {
        ClassID clsidTest = new ClassID(
              new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08
                         , 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10 }
            , 0
        );
        Assert.assertEquals( 
              clsidTest.toString().toUpperCase()
            , "{04030201-0605-0807-090A-0B0C0D0E0F10}"
        );
    }



    /**
     * <p>Runs the test cases stand-alone.</p>
     */
    public static void main(final String[] args)
    {
        System.setProperty("HPSF.testdata.path",
                           "./src/testcases/org/apache/poi/hpsf/data");
        junit.textui.TestRunner.run(TestClassID.class);
    }

}
