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/* testSetUnitIncrement.java
Copyright (C) 2006 Red Hat
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: 1.4
package gnu.testlet.java.awt.Scrollbar;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.Scrollbar;
public class testSetUnitIncrement implements Testlet
{
public void test(TestHarness harness)
{
Scrollbar bar = new Scrollbar();
// This check shows that the default value of lineIncrement is 1.
harness.check(bar.getUnitIncrement(), 1);
// These checks show that it is not possible to set lineIncrement
// to 0. Instead, it is set to 1.
bar.setUnitIncrement(0);
harness.check(bar.getUnitIncrement(), 1);
bar.setUnitIncrement(5);
harness.check(bar.getUnitIncrement(), 5);
bar.setUnitIncrement(0);
harness.check(bar.getUnitIncrement(), 1);
// These checks show that there was unnecessary code in the method.
// The unnecessary code would produce a value of 9 as the lineIncrement,
// when in fact it should be set to 30.
// NOTE: It is no longer necessary to check if
// (maximum - minimum) == 0 because maximum will never equal minimum.
bar.setMaximum(10);
bar.setMinimum(1);
harness.check(bar.getMaximum(), 10);
harness.check(bar.getMinimum(), 1);
harness.check(bar.getUnitIncrement(), 1);
bar.setUnitIncrement(30);
harness.check(bar.getUnitIncrement(), 30);
harness.check(bar.getUnitIncrement() != 9);
// This test ensures that pageIncrement is not effected
// if it is greater than the range.
bar.setValues(1,1,1,2);
harness.check(bar.getValue(), 1);
harness.check(bar.getVisibleAmount(), 1);
harness.check(bar.getMinimum(), 1);
harness.check(bar.getMaximum(), 2);
bar.setBlockIncrement(4);
harness.check(bar.getBlockIncrement() >
(bar.getMaximum() - bar.getMinimum()));
harness.check(bar.getBlockIncrement() == 4);
harness.check(bar.getBlockIncrement() !=
(bar.getMaximum() - bar.getMinimum()));
}
}
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