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//Tags: JDK1.2
//Copyright (C) 2004 Sven de Marothy <sven@physto.se>
//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.awt.geom.Line2D;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
import java.awt.geom.Line2D;
/**
* Checks whether Line2D.linesIntersect works correctly
*
* @author Sven de Marothy
*/
public class linesIntersect
implements Testlet
{
public void test(TestHarness harness)
{
// Test 1 - a simple intersection
harness.check(Line2D.linesIntersect(0.0, 0.0, 100.0, 50.0,
0.0, 50.0, 100.0, 0.0));
// Test 2 - an orthogonal intersection
harness.check(Line2D.linesIntersect(0.0, 0.0, 100.0, 100.0,
0.0, 100.0, 100.0, 0.0));
// Test 3 - an orthogonal intersection on the axes
harness.check(Line2D.linesIntersect(0.0, 10.0, 100.0, 10.0,
50.0, 0.0, 50.0, 50.0));
// Test 4 - colinear overlapping lines
harness.check(Line2D.linesIntersect(10.0, 10.0, 10.0, 90.0,
10.0, 0.0, 10.0, 100.0));
// Test 5 - colinear nonoverlapping lines
harness.check(!Line2D.linesIntersect(10.0, 10.0, 10.0, 90.0,
10.0, 91.0, 10.0, 100.0));
// Test 6 - zero length lines at same point
harness.check(Line2D.linesIntersect(1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0));
// Test 7 - segments share end point
harness.check(Line2D.linesIntersect(0.0, 0.0, 0.0, 1.0,
0.0, 0.0, 1.0, 0.0));
}
}
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