//Tags: JDK1.4
//Copyright (C) 2004 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.wonka.lang.Double;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
/**
* Some tests for the compare() method in the {@link Double} class.
*/
public class compare implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
harness.check(Double.compare(0.0, 1.0) < 0);
harness.check(Double.compare(0.0, 0.0) == 0);
harness.check(Double.compare(1.0, 0.0) > 0);
harness.check(Double.compare(Double.POSITIVE_INFINITY, 0.0) > 0);
harness.check(Double.compare(Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY) == 0);
harness.check(Double.compare(0.0f, Double.POSITIVE_INFINITY) < 0);
harness.check(Double.compare(Double.NEGATIVE_INFINITY, 0.0) < 0);
harness.check(Double.compare(Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY) == 0);
harness.check(Double.compare(0.0, Double.NEGATIVE_INFINITY) > 0);
harness.check(Double.compare(Double.NaN, 0.0) > 0,
" got "+Double.compare(Double.NaN, 0.0)+" needs > 0");
harness.check(Double.compare(Double.NaN, Double.NaN) == 0);
harness.check(Double.compare(0.0f, Double.NaN) < 0,
" got "+Double.compare(0.0f, Double.NaN)+" needs < 0");
harness.check(Double.compare(0.0, -0.0) > 0
, " got "+Double.compare(0.0, -0.0)+" needs > 0");
harness.check(Double.compare(-0.0, 0.0) < 0
, " got "+Double.compare(-0.0, 0.0)+" needs < 0");
}
}