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// Tags: GUI JDK1.2
// Copyright (C) 2005 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, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
package gnu.testlet.java.awt.Component;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.*;
/**
* The method invalidate should be automatically called in
* response to several property changes such as size and location.
* This is checked here.
*
* @author Roman Kennke (roman@ontographics.com)
*/
public class invalidate implements Testlet
{
/**
* Non abstract subclass of Component to allow instatiation and
* test.
*/
public class TestComponent extends Component
{
/**
* If revalidate has been called or not.
*/
boolean invalidated;
/**
* Override this method to check if revalidate has been called.
*/
public void invalidate()
{
invalidated = true;
super.invalidate();
}
}
/**
* Subclass of Container to allow test.
*/
class TestContainer extends Container
{
boolean invalidated;
/**
* Override this method to check if revalidate has been called.
*/
public void invalidate()
{
invalidated = true;
super.invalidate();
}
}
/**
* Subclass of Component to allow test.
*/
public class myComponent
extends Component
{
}
public void test (TestHarness harness)
{
test1(harness);
test2(harness);
testInvalidateInvalidComponent(harness);
}
private void test1(TestHarness harness)
{
// prepare test component
TestComponent comp = new TestComponent();
Frame frame = new Frame();
frame.add(comp);
frame.setVisible(true);
// change size and check if invalidate has been called
comp.invalidated = false;
comp.setSize(100, 200);
harness.check(comp.invalidated, true);
// change size and check if invalidate has been called
comp.invalidated = false;
comp.setSize(new Dimension(101, 201));
harness.check(comp.invalidated, true);
// change size and check if invalidate has been called
comp.invalidated = false;
comp.resize(102, 202);
harness.check(comp.invalidated, true);
frame.dispose();
}
private void test2(TestHarness harness)
{
myComponent c = new myComponent();
harness.check(c.isPreferredSizeSet(), false);
c.setPreferredSize(new Dimension(400, 500));
Dimension prefSizeOld = c.getPreferredSize();
harness.check(c.isPreferredSizeSet(), true);
c.invalidate();
harness.check(c.isPreferredSizeSet(), true);
Dimension prefSizeNew = c.getPreferredSize();
harness.check(prefSizeOld != prefSizeNew);
harness.check(prefSizeOld.equals(prefSizeNew));
}
private void testInvalidateInvalidComponent(TestHarness harness)
{
harness.checkPoint("invalidateInvalidComponent");
Frame f = new Frame();
TestContainer c1 = new TestContainer();
TestComponent c2 = new TestComponent();
c1.add(c2);
f.add(c1);
f.setSize(100, 100);
f.setVisible(true);
c1.validate();
c2.validate();
harness.check(c1.isValid(), true);
harness.check(c1.isValid(), true);
c1.invalidated = false;
c2.invalidated = false;
// This should invalidate both c1 and c2.
c2.invalidate();
harness.check(c1.invalidated, true);
harness.check(c2.invalidated, true);
// Now both components are invalid. Another call to invalidate() on c2
// should not invalidate c1, since it's already invalid.
c1.invalidated = false;
c2.invalidated = false;
// This should invalidate both c1 and c2.
c2.invalidate();
harness.check(c1.invalidated, false);
harness.check(c2.invalidated, true);
f.dispose();
}
}
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