/* getChars.java -- Some checks for the getChars() method in the GapContent
class.
Copyright (C) 2006 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
*/
// Tags: 1.2
package gnu.testlet.javax.swing.text.GapContent;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import javax.swing.text.BadLocationException;
import javax.swing.text.GapContent;
import javax.swing.text.Segment;
public class getChars implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
GapContent gc = new GapContent();
Segment seg = new Segment();
// check default result
try
{
gc.getChars(0, 1, seg);
}
catch (BadLocationException e)
{
// ignore - tests below will fail if this happens
}
harness.check(seg.offset, 0);
harness.check(seg.count, 1);
harness.check(seg.array[0], '\n');
// if len goes past end of range, should get BadLocationException
boolean pass = false;
try
{
gc.getChars(0, 2, seg);
}
catch (BadLocationException e)
{
pass = true;
}
harness.check(pass);
// add some more text
try
{
gc.insertString(0, "ABCDEFG");
}
catch (BadLocationException e)
{
}
harness.check(gc.length(), 8);
// if index < 0 should get BadLocationException
pass = false;
try
{
gc.getChars(-1, 3, seg);
}
catch (BadLocationException e)
{
pass = true;
}
harness.check(pass);
// if index > end of text should get BadLocationException
pass = false;
try
{
gc.getChars(99, 1, seg);
}
catch (BadLocationException e)
{
pass = true;
}
harness.check(pass);
// if len goes past end of range, should get BadLocationException
pass = false;
try
{
gc.getChars(0, 99, seg);
}
catch (BadLocationException e)
{
pass = true;
}
harness.check(pass);
// try a zero length string
try
{
gc.getChars(1, 0, seg);
}
catch (BadLocationException e)
{
}
harness.check(seg.offset, 1);
harness.check(seg.count, 0);
// what happens for null Segment
pass = false;
try
{
gc.getChars(0, 1, null);
}
catch (NullPointerException e)
{
pass = true;
}
catch (BadLocationException e)
{
// ignore
}
harness.check(pass);
// what happens if we update the Segment array, does that change the
// StringContent
Segment seg2 = new Segment();
Segment seg3 = new Segment();
GapContent gc2 = new GapContent();
try
{
gc2.insertString(0, "XYZ");
gc2.getChars(0, 3, seg2);
seg2.array[1] = '5';
gc2.getChars(0, 3, seg3);
}
catch (BadLocationException e)
{
// ignore
}
harness.check(seg2.array[1], '5');
harness.check(seg3.array[1], '5');
}
}