I committed the attached patch that checks the correctness of various
aspects of the JComponent.getPreferredSize() method.
2005-12-12 Roman Kennke <[EMAIL PROTECTED]>
* gnu/testlet/javax/swing/JComponent/getPreferredSize.java:
New test.
/Roman
// Tags: JDK1.2
// Copyright (C) 2005 Roman Kennke <[EMAIL PROTECTED]>
// 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.
package gnu.testlet.javax.swing.JComponent;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.LayoutManager;
import javax.swing.JComponent;
import javax.swing.plaf.ComponentUI;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
/**
* Some tests for JComponent.getPreferredSize().
*
* @author Roman Kennke ([EMAIL PROTECTED])
*/
public class getPreferredSize implements Testlet
{
/**
* A JComponent to overrides setUI for test purposes.
*
* @author Roman Kennke ([EMAIL PROTECTED])
*/
static class TestComponent extends JComponent
{
public void setUI(ComponentUI ui)
{
super.setUI(ui);
}
}
/**
* A UI class for test purposes.
*
* @author Roman Kennke ([EMAIL PROTECTED])
*/
static class TestUI extends ComponentUI
{
public Dimension getPreferredSize(JComponent c)
{
return new Dimension(100, 100);
}
}
/**
* A layout manager for test purposes.
*
* @author Roman Kennke ([EMAIL PROTECTED])
*/
static class TestLayout implements LayoutManager
{
public void addLayoutComponent(String name, Component component)
{
// TODO Auto-generated method stub
}
public void removeLayoutComponent(Component component)
{
// TODO Auto-generated method stub
}
public Dimension preferredLayoutSize(Container parent)
{
return new Dimension(200, 200);
}
public Dimension minimumLayoutSize(Container parent)
{
// TODO Auto-generated method stub
return null;
}
public void layoutContainer(Container parent)
{
// TODO Auto-generated method stub
}
}
/**
* Starts the test run.
*
* @param harness the test harness to use
*/
public void test(TestHarness harness)
{
testPlain(harness);
testWithUI(harness);
testWithLayout(harness);
testWithUIAndLayout(harness);
testWithSet(harness);
testWithSetAndUI(harness);
testWithSetAndLayout(harness);
testWithAll(harness);
testSmallerThanMinSize(harness);
}
/**
* A very basic test.
*
* @param h the test harness to use
*/
private void testPlain(TestHarness h)
{
h.checkPoint("plain");
TestComponent c = new TestComponent();
Dimension d = c.getPreferredSize();
h.check(d.width, 0);
h.check(d.height, 0);
}
/**
* Tests the preferredSize with a UI installed.
*
* @param h the test harness to use
*/
private void testWithUI(TestHarness h)
{
h.checkPoint("withUI");
TestComponent c = new TestComponent();
c.setUI(new TestUI());
Dimension d = c.getPreferredSize();
h.check(d.width, 100);
h.check(d.height, 100);
}
/**
* Tests the preferredSize with a layout manager installed
*
* @param h the test harness to use
*/
private void testWithLayout(TestHarness h)
{
h.checkPoint("withLayout");
TestComponent c = new TestComponent();
c.setLayout(new TestLayout());
Dimension d = c.getPreferredSize();
h.check(d.width, 200);
h.check(d.height, 200);
}
/**
* Tests the preferredSize with both a layout manager and a UI installed.
*
* @param h the test harness to use
*/
private void testWithUIAndLayout(TestHarness h)
{
h.checkPoint("withUIAndLayout");
TestComponent c = new TestComponent();
c.setUI(new TestUI());
c.setLayout(new TestLayout());
c.invalidate();
Dimension d = c.getPreferredSize();
h.check(d.width, 100);
h.check(d.height, 100);
}
/**
* Tests the preferredSize when explicitly set.
*
* @param h the test harness to use
*/
private void testWithSet(TestHarness h)
{
h.checkPoint("withSet");
TestComponent c = new TestComponent();
c.setPreferredSize(new Dimension(300, 300));
Dimension d = c.getPreferredSize();
h.check(d.width, 300);
h.check(d.height, 300);
}
/**
* Tests the preferredSize when explicitly set and with UI installed.
*
* @param h the test harness to use
*/
private void testWithSetAndUI(TestHarness h)
{
h.checkPoint("withSetAndUI");
TestComponent c = new TestComponent();
c.setPreferredSize(new Dimension(300, 300));
c.setUI(new TestUI());
Dimension d = c.getPreferredSize();
h.check(d.width, 300);
h.check(d.height, 300);
}
/**
* Tests the preferredSize when explicitly set and layout manager installed.
*
* @param h the test harness to use
*/
private void testWithSetAndLayout(TestHarness h)
{
h.checkPoint("withSetAndLayout");
TestComponent c = new TestComponent();
c.setPreferredSize(new Dimension(300, 300));
c.setLayout(new TestLayout());
Dimension d = c.getPreferredSize();
h.check(d.width, 300);
h.check(d.height, 300);
}
/**
* Tests the preferredSize when explicitly set, layout manager installed and
* UI installed.
*
* @param h the test harness to use
*/
private void testWithAll(TestHarness h)
{
h.checkPoint("withAll");
TestComponent c = new TestComponent();
c.setUI(new TestUI());
c.setLayout(new TestLayout());
c.setPreferredSize(new Dimension(300, 300));
Dimension d = c.getPreferredSize();
h.check(d.width, 300);
h.check(d.height, 300);
}
/**
* Tests if the preferredSize is allowed to be smaller than the minimumSize.
*
* @param h the test harness to use
*/
private void testSmallerThanMinSize(TestHarness h)
{
h.checkPoint("smallerThanMinSize");
TestComponent c = new TestComponent();
c.setMinimumSize(new Dimension(100, 100));
c.setPreferredSize(new Dimension(50, 50));
h.check(c.getPreferredSize(), new Dimension(50, 50));
}
}
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