/*!
* 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 java.util.Date;
import java.math.BigDecimal;
import junit.framework.AssertionFailedError;
import org.pentaho.reporting.libraries.formula.util.HSSFDateUtil;
import org.pentaho.reporting.libraries.formula.util.DateUtil;
import org.pentaho.reporting.libraries.formula.FormulaTestBase;
import org.pentaho.reporting.libraries.formula.FormulaContext;
public class DateConversionTest extends FormulaTestBase
{
private static final Object[][] EMPTY_DATA = new Object[0][];
public DateConversionTest()
{
}
public DateConversionTest(final String s)
{
super(s);
}
protected Object[][] createDataTest()
{
return EMPTY_DATA;
}
public void testDateConversion1904 ()
{
final FormulaContext context = getContext();
final Date januaryFirst1904 = DateUtil.createDate(1904, 1, 1, context.getLocalizationContext());
final Date januaryFirst1900 = DateUtil.createDate(1900, 1, 1, context.getLocalizationContext());
final Date marchFirst1904 = DateUtil.createDate(1904, 3, 1, context.getLocalizationContext());
final Date marchFirst1900 = DateUtil.createDate(1900, 3, 1, context.getLocalizationContext());
// these numbers must match whatever OpenOffice computes ..
assertEqual(HSSFDateUtil.getExcelDate(januaryFirst1900, false, HSSFDateUtil.computeZeroDate("1904", false)), new BigDecimal(-1460));
assertEqual(HSSFDateUtil.getExcelDate(marchFirst1900, false, HSSFDateUtil.computeZeroDate("1904", false)), new BigDecimal(-1401));
assertEqual(HSSFDateUtil.getExcelDate(januaryFirst1904, false, HSSFDateUtil.computeZeroDate("1904", false)), new BigDecimal(0));
assertEqual(HSSFDateUtil.getExcelDate(marchFirst1904, false, HSSFDateUtil.computeZeroDate("1904", false)), new BigDecimal(60));
assertEqual(HSSFDateUtil.getExcelDate(januaryFirst1900, true, HSSFDateUtil.computeZeroDate("1904", true)), new BigDecimal(-1461));
assertEqual(HSSFDateUtil.getExcelDate(marchFirst1900, true, HSSFDateUtil.computeZeroDate("1904", true)), new BigDecimal(-1401));
assertEqual(HSSFDateUtil.getExcelDate(januaryFirst1904, true, HSSFDateUtil.computeZeroDate("1904", true)), new BigDecimal(0));
assertEqual(HSSFDateUtil.getExcelDate(marchFirst1904, true, HSSFDateUtil.computeZeroDate("1904", true)), new BigDecimal(60));
}
public void testDateConversion1900 ()
{
final FormulaContext context = getContext();
final Date januaryFirst1904 = DateUtil.createDate(1904, 1, 1, context.getLocalizationContext());
final Date januaryFirst1900 = DateUtil.createDate(1900, 1, 1, context.getLocalizationContext());
final Date marchFirst1904 = DateUtil.createDate(1904, 3, 1, context.getLocalizationContext());
final Date marchFirst1900 = DateUtil.createDate(1900, 3, 1, context.getLocalizationContext());
// these numbers must match whatever OpenOffice computes ..
assertEqual(HSSFDateUtil.getExcelDate(januaryFirst1900, false, HSSFDateUtil.computeZeroDate("1900", false)), new BigDecimal(0));
assertEqual(HSSFDateUtil.getExcelDate(marchFirst1900, false, HSSFDateUtil.computeZeroDate("1900", false)), new BigDecimal(59));
assertEqual(HSSFDateUtil.getExcelDate(januaryFirst1904, false, HSSFDateUtil.computeZeroDate("1900", false)), new BigDecimal(1460));
assertEqual(HSSFDateUtil.getExcelDate(marchFirst1904, false, HSSFDateUtil.computeZeroDate("1900", false)), new BigDecimal(1520));
assertEqual(HSSFDateUtil.getExcelDate(januaryFirst1900, true, HSSFDateUtil.computeZeroDate("1900", true)), new BigDecimal(0));
assertEqual(HSSFDateUtil.getExcelDate(marchFirst1900, true, HSSFDateUtil.computeZeroDate("1900", true)), new BigDecimal(60));
assertEqual(HSSFDateUtil.getExcelDate(januaryFirst1904, true, HSSFDateUtil.computeZeroDate("1900", true)), new BigDecimal(1461));
assertEqual(HSSFDateUtil.getExcelDate(marchFirst1904, true, HSSFDateUtil.computeZeroDate("1900", true)), new BigDecimal(1521));
}
public void testDateConversion1899 ()
{
final FormulaContext context = getContext();
final Date januaryFirst1904 = DateUtil.createDate(1904, 1, 1, context.getLocalizationContext());
final Date januaryFirst1900 = DateUtil.createDate(1900, 1, 1, context.getLocalizationContext());
final Date marchFirst1904 = DateUtil.createDate(1904, 3, 1, context.getLocalizationContext());
final Date marchFirst1900 = DateUtil.createDate(1900, 3, 1, context.getLocalizationContext());
// these numbers must match whatever OpenOffice computes ..
assertEqual(HSSFDateUtil.getExcelDate(januaryFirst1900, false, HSSFDateUtil.computeZeroDate("1899", false)), new BigDecimal(2));
assertEqual(HSSFDateUtil.getExcelDate(marchFirst1900, false, HSSFDateUtil.computeZeroDate("1899", false)), new BigDecimal(61));
assertEqual(HSSFDateUtil.getExcelDate(januaryFirst1904, false, HSSFDateUtil.computeZeroDate("1899", false)), new BigDecimal(1462));
assertEqual(HSSFDateUtil.getExcelDate(marchFirst1904, false, HSSFDateUtil.computeZeroDate("1899", false)), new BigDecimal(1522));
assertEqual(HSSFDateUtil.getExcelDate(januaryFirst1900, true, HSSFDateUtil.computeZeroDate("1899", true)), new BigDecimal(2));
assertEqual(HSSFDateUtil.getExcelDate(marchFirst1900, true, HSSFDateUtil.computeZeroDate("1899", true)), new BigDecimal(62));
assertEqual(HSSFDateUtil.getExcelDate(januaryFirst1904, true, HSSFDateUtil.computeZeroDate("1899", true)), new BigDecimal(1463));
assertEqual(HSSFDateUtil.getExcelDate(marchFirst1904, true, HSSFDateUtil.computeZeroDate("1899", true)), new BigDecimal(1523));
}
public void assertEqual (final BigDecimal expectedResult, final BigDecimal receivedResult)
{
if (expectedResult == null && receivedResult == null)
{
return;
}
if (expectedResult == null || receivedResult == null)
{
throw new AssertionFailedError("Assertation failed: Expected " + expectedResult + ", but got " + receivedResult);
}
if (expectedResult.compareTo(receivedResult) != 0)
{
throw new AssertionFailedError("Assertation failed: Expected " + expectedResult + ", but got " + receivedResult);
}
}
}