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//Tags: JDK1.0
//Copyright (C) 2006 Free Software Foundation, Inc.
//Written by Wolfgang Baer (WBaer@gmx.de)
//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, 51 Franklin Street, Fifth Floor,
//Boston, MA, 02110-1301 USA.
package gnu.testlet.java.awt.CardLayout;
import java.awt.CardLayout;
import java.awt.Frame;
import java.awt.Panel;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
/**
* Tests the first method for various argument types.
* As first, next, previous, last are all implemented by
* the same internal method in GNU classpath this tests
* all these methods for the argument types.
*/
public class first implements Testlet
{
public void test(TestHarness harness)
{
CardLayout layout = new CardLayout();
Frame containerWithLayout = new Frame();
Panel panel = new Panel();
containerWithLayout.setLayout(layout);
// test without a panel added - no exception should be thrown
try
{
layout.first(containerWithLayout);
harness.check(true);
}
catch (Exception e)
{
harness.check(false);
}
// test correct usage - with an added panel
containerWithLayout.add(panel, "Panel");
try
{
layout.first(containerWithLayout);
harness.check(true);
}
catch (Exception e)
{
harness.check(false);
}
// test null behaviour - triggers NPE
try
{
layout.first(null);
harness.check(false);
}
catch (NullPointerException e)
{
harness.check(true);
}
// test usage with container without setLayout called
Frame container = new Frame();
container.add(panel);
try
{
layout.first(container);
harness.check(false);
}
catch (IllegalArgumentException e)
{
harness.check(true);
}
}
}
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