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PR:15037 - Unit Tests for 1904 date windowing; submitted by Dan Sherman 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352937 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Avik Sengupta 2002-12-12 09:02:26 +00:00
parent 44074f0598
commit 7f57b18f31
4 changed files with 57 additions and 0 deletions
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src/testcases/org/apache/poi/hssf/data/1900DateWindowing.xls Normal file
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src/testcases/org/apache/poi/hssf/data/1904DateWindowing.xls Normal file
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38
src/testcases/org/apache/poi/hssf/usermodel/TestHSSFCell.java
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@ -77,6 +77,7 @@ import java.util.GregorianCalendar;
* Tests various functionity having to do with HSSFCell. For instance support for
* paticular datatypes, etc.
* @author Andrew C. Oliver (andy at superlinksoftware dot com)
* @author Dan Sherman (dsherman at isisph.com)
*/
public class TestHSSFCell
@ -139,6 +140,43 @@ extends TestCase {
in.close();
}
/**
* Checks that the recognition of files using 1904 date windowing
* is working properly. Conversion of the date is also an issue,
* but there's a separate unit test for that.
*/
public void testDateWindowing() throws Exception {
GregorianCalendar cal = new GregorianCalendar(2000,0,1); // Jan. 1, 2000
Date date = cal.getTime();
String path = System.getProperty("HSSF.testdata.path");
// first check a file with 1900 Date Windowing
String filename = path + "/1900DateWindowing.xls";
FileInputStream stream = new FileInputStream(filename);
POIFSFileSystem fs = new POIFSFileSystem(stream);
HSSFWorkbook workbook = new HSSFWorkbook(fs);
HSSFSheet sheet = workbook.getSheetAt(0);
assertEquals("Date from file using 1900 Date Windowing",
date.getTime(),
sheet.getRow(0).getCell((short)0)
.getDateCellValue().getTime());
stream.close();
// now check a file with 1904 Date Windowing
filename = path + "/1904DateWindowing.xls";
stream = new FileInputStream(filename);
fs = new POIFSFileSystem(stream);
workbook = new HSSFWorkbook(fs);
sheet = workbook.getSheetAt(0);
assertEquals("Date from file using 1904 Date Windowing",
date.getTime(),
sheet.getRow(0).getCell((short)0)
.getDateCellValue().getTime());
stream.close();
}
public static void main(String [] args) {
System.out
.println("Testing org.apache.poi.hssf.usermodel.TestHSSFCell");

19
src/testcases/org/apache/poi/hssf/usermodel/TestHSSFDateUtil.java
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@ -65,6 +65,7 @@ import java.util.GregorianCalendar;
*
*
* @author
* @author Dan Sherman (dsherman at isisph.com)
* @version %I%, %G%
*/
@ -95,5 +96,23 @@ public class TestHSSFDateUtil
assertEquals("Checking hour = " + hour, date.getTime().getTime(),
HSSFDateUtil.getJavaDate(excelDate).getTime());
}
// check 1900 and 1904 date windowing conversions
double excelDate = 36526.0;
// with 1900 windowing, excelDate is Jan. 1, 2000
// with 1904 windowing, excelDate is Jan. 2, 2004
GregorianCalendar cal = new GregorianCalendar(2000,0,1); // Jan. 1, 2000
Date dateIf1900 = cal.getTime();
cal.add(GregorianCalendar.YEAR,4); // now Jan. 1, 2004
cal.add(GregorianCalendar.DATE,1); // now Jan. 2, 2004
Date dateIf1904 = cal.getTime();
// 1900 windowing
assertEquals("Checking 1900 Date Windowing",
dateIf1900.getTime(),
HSSFDateUtil.getJavaDate(excelDate,false).getTime());
// 1904 windowing
assertEquals("Checking 1904 Date Windowing",
dateIf1904.getTime(),
HSSFDateUtil.getJavaDate(excelDate,true).getTime());
}
}