/*
 * java-gnome, a UI library for writing GTK and GNOME programs from Java!
 *
 * Copyright © 2007-2010 Operational Dynamics Consulting, Pty Ltd
 *
 * The code in this file, and the program it is a part of, is made available
 * to you by its authors as open source software: you can redistribute it
 * and/or modify it under the terms of the GNU General Public License version
 * 2 ("GPL") as published by the Free Software Foundation.
 *
 * This program 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 GPL for more details.
 *
 * You should have received a copy of the GPL along with this program. If not,
 * see http://www.gnu.org/licenses/. The authors of this program may be
 * contacted through http://java-gnome.sourceforge.net/.
 */
package org.freedesktop.cairo;

import org.gnome.gtk.GraphicalTestCase;

/**
 * Exercise the handling of the internals of our Plumbing infrastructure for
 * turning Cairo sub types into concrete Java objects.
 * 
 * @author Andrew Cowie
 */
public class ValidateCairoInternals extends GraphicalTestCase
{
    public final void testPatternProxyCreation() {
        final Context cr;
        final ImageSurface s;
        final Pattern p;

        s = new ImageSurface(Format.ARGB32, 100, 100);
        cr = new Context(s);

        /*
         * Do something arbitrary.
         */

        cr.setSource(0.0, 0.0, 1.0, 0.8);

        /*
         * Call a method that returns an abstract type, in this case a
         * Pattern.
         */

        p = cr.getSource();
        assertNotNull(p);
        assertTrue(p instanceof SolidPattern);

        /*
         * Note: The preceeding assertion doesn't have to be a SolidPattern.
         * It just needs to be something concrete, and more to the point
         * something that we didn't already have a Proxy for. Obviously we
         * can't have instantiated a non-concrete class, but this makes the
         * point clearly that we got something out of it that we didn't have
         * on the Java side before.
         */
    }
}