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// Tags: JDK1.2
// Copyright (C) 2005 David Gilbert <david.gilbert@object-refinery.com>
// This file is part of Mauve.
// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// Mauve 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 General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA. */
package gnu.testlet.java.text.DecimalFormat;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Locale;
/**
* Some checks for the constructors in the DecimalFormat class.
*/
public class constructors implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not allowed).
*/
public void test(TestHarness harness)
{
testConstructor1(harness);
testConstructor2(harness);
testConstructor3(harness);
}
private void testConstructor1(TestHarness harness)
{
harness.checkPoint("DecimalFormat();");
// set the default locale to something fixed
Locale original = Locale.getDefault();
Locale.setDefault(Locale.UK);
DecimalFormat f = new DecimalFormat();
// should use the default symbols...
harness.check(f.getPositivePrefix(), ""); // 1
harness.check(f.getNegativePrefix(), "-"); // 2
harness.check(f.getPositiveSuffix(), ""); // 3
harness.check(f.getNegativeSuffix(), ""); // 4
harness.check(f.getMultiplier(), 1); // 5
harness.check(f.getGroupingSize(), 3); // 6
harness.check(f.isDecimalSeparatorAlwaysShown(), false); // 7
DecimalFormatSymbols symbols = new DecimalFormatSymbols();
harness.check(f.getDecimalFormatSymbols(), symbols); // 8
Locale.setDefault(original);
}
private void testConstructor2(TestHarness harness)
{
harness.checkPoint("DecimalFormat(String);");
// set the default locale to something fixed
Locale original = Locale.getDefault();
Locale.setDefault(Locale.UK);
DecimalFormat f = new DecimalFormat("0.00");
// check for null format...
boolean pass = false;
try
{
f = new DecimalFormat(null);
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass);
// check for bad format...
pass = false;
try
{
f = new DecimalFormat(";;");
}
catch (IllegalArgumentException e)
{
pass = true;
}
harness.check(pass);
Locale.setDefault(original);
}
private void testConstructor3(TestHarness harness)
{
harness.checkPoint("DecimalFormat(String, DecimalFormatSymbols);");
// since get/setDecimalFormatSymbols() methods make copies of the symbols,
// we can guess that the constructor does too
DecimalFormatSymbols dfs = new DecimalFormatSymbols();
dfs.setDecimalSeparator('x');
DecimalFormat f = new DecimalFormat("0.00", dfs);
harness.check(f.getDecimalFormatSymbols().getDecimalSeparator(), 'x');
dfs.setDecimalSeparator('y'); // this won't affect f
harness.check(f.getDecimalFormatSymbols().getDecimalSeparator(), 'x');
// check for null format...
boolean pass = false;
try
{
f = new DecimalFormat(null, new DecimalFormatSymbols());
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass);
// check for null symbols...
pass = false;
try
{
f = new DecimalFormat("0.00", null);
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass);
}
}
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