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    /* 
     * This file is part of Artemis
     *
     * Copyright (C) 2013  Genome Research Limited
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License
     * as published by the Free Software Foundation; either version 2
     * of the License, or (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
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
     *
     */
    package uk.ac.sanger.artemis.components;
    
    import static org.junit.Assert.assertTrue;
    
    import java.awt.GraphicsEnvironment;
    import javax.swing.JFrame;
    
    import junit.framework.Assert;
    
    import org.junit.Test;
    
    import uk.ac.sanger.artemis.EntryGroup;
    import uk.ac.sanger.artemis.Feature;
    import uk.ac.sanger.artemis.FeatureVector;
    import uk.ac.sanger.artemis.FeatureSegmentVector;
    import uk.ac.sanger.artemis.Selection;
    import uk.ac.sanger.artemis.io.Entry;
    import uk.ac.sanger.artemis.io.Utils;
    import uk.ac.sanger.artemis.io.ValidateFeatureTest;
    
    
    public class EditMenuTest 
    {
      @Test
      /**
       * Split a gene model and undo
       */
      public void gffUnMergeAndUndo()
      {
        // ignore if in headless mode with no x11
        if(GraphicsEnvironment.getLocalGraphicsEnvironment().isHeadless())
          return;
            
        final EntryGroup egrp = Utils.getEntryGroup("/data/Pf3D7_01_02_v3.gff.gz");
    
        FeatureVector features = egrp.getAllFeatures();
        final Selection selection = new Selection(null);
        Feature f = Utils.getCDSFeatureByIdPrefix("PF3D7_0103500.1", features);
        final FeatureSegmentVector segments = f.getSegments();
        selection.add(f);
        selection.add(segments.elementAt(0));
        selection.add(segments.elementAt(1));
          
        // validate GFF features before split and undo and after
        // to ensure the gene model structures remain consistent
        ValidateFeatureTest.testAll(egrp);
        EditMenu.unmergeFeature(null, selection, egrp);
        EditMenu.undo(null, selection, egrp);
        ValidateFeatureTest.testAll(egrp);
      }
    }