/*!
* 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) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

package org.pentaho.reporting.libraries.formula.typing;

import junit.framework.TestCase;
import org.pentaho.reporting.libraries.formula.EvaluationException;
import org.pentaho.reporting.libraries.formula.common.TestFormulaContext;
import org.pentaho.reporting.libraries.formula.lvalues.DefaultDataTable;
import org.pentaho.reporting.libraries.formula.lvalues.StaticValue;
import org.pentaho.reporting.libraries.formula.typing.sequence.AnySequence;

public class AnySequenceTest extends TestCase {
  public AnySequenceTest() {
  }

  public AnySequenceTest( final String s ) {
    super( s );
  }

  public void testIterate() throws EvaluationException {
    final TestFormulaContext formulaContext = new TestFormulaContext();
    final AnySequence emptySequence = new AnySequence( formulaContext );
    assertFalse( emptySequence.hasNext() );

    final AnySequence singleNullValueSequence = new AnySequence( new StaticValue( null ), formulaContext );
    assertTrue( singleNullValueSequence.hasNext() );
    assertNull( singleNullValueSequence.next() );
    assertFalse( singleNullValueSequence.hasNext() );

    final AnySequence singleValueSequence = new AnySequence( new StaticValue( "test" ), formulaContext );
    assertTrue( singleValueSequence.hasNext() );
    assertEquals( "test", singleValueSequence.next() );
    assertFalse( singleValueSequence.hasNext() );

    final DefaultDataTable rowTable = new DefaultDataTable();
    rowTable.setObject( 0, 0, new StaticValue( "Test" ) );
    rowTable.setObject( 1, 0, new StaticValue( "Test2" ) );
    final AnySequence rowArraySequence = new AnySequence( rowTable.getAsArray(), formulaContext );
    assertTrue( rowArraySequence.hasNext() );
    assertEquals( "Test", rowArraySequence.next() );
    assertTrue( rowArraySequence.hasNext() );
    assertEquals( "Test2", rowArraySequence.next() );
    assertFalse( rowArraySequence.hasNext() );

    final DefaultDataTable colTable = new DefaultDataTable();
    colTable.setObject( 0, 0, new StaticValue( "Test" ) );
    colTable.setObject( 0, 1, new StaticValue( "Test2" ) );
    final AnySequence colArraySequence = new AnySequence( colTable.getAsArray(), formulaContext );
    assertTrue( colArraySequence.hasNext() );
    assertEquals( "Test", colArraySequence.next() );
    assertTrue( colArraySequence.hasNext() );
    assertEquals( "Test2", colArraySequence.next() );
    assertFalse( colArraySequence.hasNext() );

    final DefaultDataTable colRowTable = new DefaultDataTable();
    colRowTable.setObject( 0, 0, new StaticValue( "Test" ) );
    colRowTable.setObject( 0, 1, new StaticValue( "Test2" ) );
    colRowTable.setObject( 1, 0, new StaticValue( "Test3" ) );
    colRowTable.setObject( 1, 1, new StaticValue( "Test4" ) );
    final AnySequence colRowArraySequence = new AnySequence( colRowTable.getAsArray(), formulaContext );
    assertTrue( colRowArraySequence.hasNext() );
    assertEquals( "Test", colRowArraySequence.next() );
    assertTrue( colRowArraySequence.hasNext() );
    assertEquals( "Test2", colRowArraySequence.next() );
    assertTrue( colRowArraySequence.hasNext() );
    assertEquals( "Test3", colRowArraySequence.next() );
    assertTrue( colRowArraySequence.hasNext() );
    assertEquals( "Test4", colRowArraySequence.next() );
    assertFalse( colRowArraySequence.hasNext() );
  }
}