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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.lang.Float;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
/**
* Some tests for the compareTo() method in the {@link Float} class.
*/
public class compareTo implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
test1(harness);
test2(harness);
}
public void test1(TestHarness harness)
{
harness.checkPoint("compareTo(Float)");
Float f1 = new Float(Float.NEGATIVE_INFINITY);
Float f2 = new Float(-1.0);
Float f3 = new Float(0.0);
Float f4 = new Float(1.0);
Float f5 = new Float(Float.POSITIVE_INFINITY);
harness.check(f1.compareTo(f1) == 0);
harness.check(f1.compareTo(f2) < 0);
harness.check(f1.compareTo(f3) < 0);
harness.check(f1.compareTo(f4) < 0);
harness.check(f1.compareTo(f5) < 0);
harness.check(f2.compareTo(f1) > 0);
harness.check(f2.compareTo(f2) == 0);
harness.check(f2.compareTo(f3) < 0);
harness.check(f2.compareTo(f4) < 0);
harness.check(f2.compareTo(f5) < 0);
harness.check(f3.compareTo(f1) > 0);
harness.check(f3.compareTo(f2) > 0);
harness.check(f3.compareTo(f3) == 0);
harness.check(f3.compareTo(f4) < 0);
harness.check(f3.compareTo(f5) < 0);
harness.check(f4.compareTo(f1) > 0);
harness.check(f4.compareTo(f2) > 0);
harness.check(f4.compareTo(f3) > 0);
harness.check(f4.compareTo(f4) == 0);
harness.check(f4.compareTo(f5) < 0);
harness.check(f5.compareTo(f1) > 0);
harness.check(f5.compareTo(f2) > 0);
harness.check(f5.compareTo(f3) > 0);
harness.check(f5.compareTo(f4) > 0);
harness.check(f5.compareTo(f5) == 0);
boolean pass = false;
try
{
f1.compareTo((Float) null);
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass);
}
public void test2(TestHarness harness)
{
harness.checkPoint("compareTo(Object)");
Float f1 = new Float(Float.NEGATIVE_INFINITY);
boolean pass = false;
try
{
((Comparable)f1).compareTo((Object) null);
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass);
pass = false;
try
{
((Comparable)f1).compareTo("Not a Float!");
}
catch (ClassCastException e)
{
pass = true;
}
harness.check(pass);
}
}
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