/*
 * org.openmicroscopy.shoola.util.concur.tasks.TestCompositeTaskDone
 *
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 *  it under the terms of the GNU General Public License as published by
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 *  (at your option) any later version.
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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package org.openmicroscopy.shoola.util.concur.tasks;


//Java imports

//Third-party libraries
import junit.framework.TestCase;

//Application-internal dependencies
import org.openmicroscopy.shoola.util.tests.common.NullRunnable;

/** 
 * Verifies the behavior of a <code>CompositeTask</code> object when in the
 * <i>Done</i> state.
 *
 * @author  Jean-Marie Burel     
 * 				<a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
 * @author  <br>Andrea Falconi     
 * 				<a href="mailto:a.falconi@dundee.ac.uk">
 * 					a.falconi@dundee.ac.uk</a>
 * @version 2.2
 * <small>
 * (<b>Internal version:</b> $Revision$ $Date$)
 * </small>
 * @since OME2.2
 */
public class TestCompositeTaskDone
    extends TestCase
{

    //Object under test.  Will be in DONE state with no children.
    protected CompositeTask   target; 
    
    
    protected void setUp()
    {
        target = new CompositeTask();  //In ADDING state.
        target.isDone();  //Transitions to DONE b/c there are no children.
    }

    public void testDoStep() 
        throws Exception
    {
        try {
            target.doStep();
            fail("Shouldn't allow to call doStep after the node is executed.");
        } catch (IllegalStateException ise) {
            //Ok, expected.
        }
    }

    public void testIsDone()
    {
        assertTrue("Should always return true when state is DONE.", 
                target.isDone());
    }

    public void testAddMultiStepTask()
    {
        try {
            target.add(new NullMultiStepTask());
            fail("Shouldn't allow to add children after the node is executed.");
        } catch (IllegalStateException ise) {
            //Ok, expected.
        }
    }

    public void testAddRunnable()
    {
        try {
            target.add(new NullRunnable());
            fail("Shouldn't allow to add children after the node is executed.");
        } catch (IllegalStateException ise) {
            //Ok, expected.
        }
    }

    public void testAddInvocation()
    {
        try {
            target.add(new MockInvocation());
            fail("Shouldn't allow to add children after the node is executed.");
        } catch (IllegalStateException ise) {
            //Ok, expected.
        }
    }

    public void testGetCurChild()
    {
        assertNull("Should always return null when state is DONE.", 
                target.getCurChild());
    }

}