test/jdk/java/awt/datatransfer/DataFlavor/DataFlavorEqualsNullTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * questions.
 */

/*
  @test
  @bug 4175731
  @summary DataFlavor.equals(null) throws NullPointerException
  @author prs@sparc.spb.su: area=
  @modules java.datatransfer
  @run main DataFlavorEqualsNullTest
*/

import java.awt.datatransfer.DataFlavor;

public class DataFlavorEqualsNullTest {
    public static boolean finished = false;
    static boolean noexc = true;
    static boolean eq = false;
    static DataFlavor df = null;

    public static void main(String[] args) throws Exception {

        try {
            df = new DataFlavor("application/postscript;class=java.awt.datatransfer.DataFlavor");
        } catch (ClassNotFoundException e) {
            // This should never happen
        }
        try {
            eq = df.equals((Object) null);
            if (eq) noexc = false;
            eq = df.equals((DataFlavor) null);
            if (eq) noexc = false;
            eq = df.equals((String) null);
            if (eq) noexc = false;
        } catch (NullPointerException e1) {
            noexc = false;
        }
        finished = true;
        if (!noexc)
            throw new RuntimeException("Test FAILED");
    }
}