/*
 * This program is free software; you can redistribute it and/or modify it under the
 *  terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 *  Foundation.
 *
 *  You should have received a copy of the GNU Lesser General Public License along with this
 *  program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 *  or from the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *  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 Lesser General Public License for more details.
 *
 *  Copyright (c) 2006 - 2013 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.reporting.engine.classic.core.bugs;

import org.junit.Before;
import org.junit.Test;
import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.function.AbstractExpression;
import org.pentaho.reporting.engine.classic.core.testsupport.DebugReportRunner;
import org.pentaho.reporting.libraries.resourceloader.ResourceException;

public class Prd3912IT {
  private static class ValidateExpression extends AbstractExpression {
    private ValidateExpression() {
      setName( "Validate" );
    }

    public Object getValue() {
      try {

        for ( String col : getDataRow().getColumnNames() ) {
          if ( "Validate".equals( col ) ) {
            // we cannot self-validate a result that we are currently computing.
            break;
          }
          getDataRow().isChanged( col );
        }
        return true;
      } catch ( Exception e ) {
        throw new AssertionError();
      }
    }
  }

  @Before
  public void setUp() throws Exception {
    ClassicEngineBoot.getInstance().start();
  }

  @Test
  public void testReport() throws ResourceException {
    MasterReport report = DebugReportRunner.parseGoldenSampleReport( "Prd-3912.prpt" );
    report.addExpression( new ValidateExpression() );
    DebugReportRunner.execGraphics2D( report );
  }
}