/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
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package ucar.nc2.units;
import junit.framework.*;
import ucar.units.Unit;
import ucar.units.ScaledUnit;
import ucar.units.DerivedUnit;
import ucar.units.ConversionException;
import ucar.nc2.TestAll;
public class TestTimeUnits extends TestCase {
public TestTimeUnits( String name) {
super(name);
}
private void showUnitInfo( Unit uu) {
System.out.println(" ucar.units.Unit.class= "+uu.getClass().getName());
System.out.println(" ucar.units.Unit.toString= "+uu.toString());
System.out.println(" ucar.units.Unit.getCanonicalString= "+uu.getCanonicalString());
System.out.println(" ucar.units.Unit.getName= "+uu.getName());
System.out.println(" ucar.units.Unit.getSymbol= "+uu.getSymbol());
System.out.println(" ucar.units.Unit.getUnitName= "+uu.getUnitName());
System.out.println(" ucar.units.Unit.getDerivedUnit= "+uu.getDerivedUnit());
if (uu instanceof ScaledUnit) {
ScaledUnit su = (ScaledUnit) uu;
DerivedUnit du = su.getDerivedUnit();
showUnitInfo( du);
}
}
public void testTimes() throws Exception {
TimeUnit tu = new TimeUnit(3.0, "hours");
System.out.println(" TimeUnit.toString= "+tu.toString());
System.out.println(" TimeUnit.getValue= "+tu.getValue());
System.out.println(" TimeUnit.getUnitString= "+tu.getUnitString());
Unit uu = tu.getUnit();
showUnitInfo( uu);
System.out.println();
uu = SimpleUnit.makeUnit("3.0 hours");
showUnitInfo( uu);
System.out.println();
String unitBefore = tu.getUnitString();
double secsBefore = tu.getValueInSeconds();
tu.setValue( 33.0);
System.out.println(" NewTimeUnit.toString= "+tu.toString());
assert tu.getValue() == 33.0;
assert 3600.0 * tu.getValue() == tu.getValueInSeconds() : tu.getValue() +" "+tu.getValueInSeconds();
assert tu.getUnitString().equals( unitBefore);
assert TestAll.closeEnough(tu.getValueInSeconds(), 11.0 * secsBefore) : (tu.getValueInSeconds())+" "+ secsBefore;
System.out.println();
tu.setValueInSeconds( 3600.0);
System.out.println(" NewTimeUnitSecs.toString= "+tu.toString());
assert tu.getValue() == 1.0;
assert tu.getValueInSeconds() == 3600.0 : tu.getValueInSeconds();
assert tu.getUnitString().equals( unitBefore);
assert TestAll.closeEnough( 3.0 * tu.getValueInSeconds(), secsBefore) : tu.getValueInSeconds()+" "+secsBefore;
TimeUnit day = new TimeUnit(1.0, "day");
double hoursInDay = day.convertTo(1.0, tu);
assert hoursInDay == 24.0;
// note the value is ignored, only the base unit is used
day = new TimeUnit(10.0, "day");
hoursInDay = day.convertTo(1.0, tu);
assert hoursInDay == 24.0;
hoursInDay = day.convertTo(10.0, tu);
assert hoursInDay == 240.0 : hoursInDay;
}
}