test/jdk/java/awt/Toolkit/Headless/WrappedToolkitTest/TestWrapped.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 * test
 * @bug 6282388
 * @summary Tests that AWT use correct toolkit to be wrapped into HeadlessToolkit
 * @author artem.ananiev@sun.com: area=awt.headless
 * @run shell WrappedToolkitTest.sh
 */

import java.awt.*;

import java.lang.reflect.*;

import sun.awt.*;

public class TestWrapped
{
    public static void main(String[] args)
    {
        try
        {
        if (args.length != 1) {
            System.err.println("No correct toolkit class name is specified, test is not run");
            System.exit(0);
        }

        String correctToolkitClassName = args[0];
        Toolkit tk = Toolkit.getDefaultToolkit();
        Class tkClass = tk.getClass();
        if (!tkClass.getName().equals("sun.awt.HeadlessToolkit"))
        {
            System.err.println(tkClass.getName());
            System.err.println("Error: default toolkit is not an instance of HeadlessToolkit");
            System.exit(-1);
        }

        Field f = tkClass.getDeclaredField("tk");
        f.setAccessible(true);
        Class wrappedClass = f.get(tk).getClass();
        if (!wrappedClass.getName().equals(correctToolkitClassName)) {
            System.err.println(wrappedClass.getName());
            System.err.println("Error: wrapped toolkit is not an instance of " + correctToolkitClassName);
            System.exit(-1);
        }
        }
        catch (Exception z)
        {
            z.printStackTrace(System.err);
            System.exit(-1);
        }

        System.exit(0);
    }
}