Java example source code file (MethodReference12.java)

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Java - Java tags/keywords

assertionerror, illegalmonitorstateexception, interruptedexception, methodreference12, sam, throwable

The MethodReference12.java Java example source code

/*
 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
 * 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 8003280
 * @summary Add lambda tests
 *  check that Object methods are dispatched accordingly
 * @author  Maurizio Cimadamore
 * @run main MethodReference12
 */

public class MethodReference12 {

    interface SAM { void foo(int i); }

    static void print(int i) {
        System.out.println(i);
    }

    public static void main(String[] args) {
        try {
            test(MethodReference12::print);
            test(i -> { System.out.println(i); } );
        }
        catch (Throwable t) {
            t.printStackTrace();
            throw new AssertionError("An error occurred");
        }
    }

    static void test(SAM s) throws Throwable {
        s.hashCode();
        s.equals(null);
        s.toString();
        try {
            s.notify(); //will throw IllegalMonitorStateException
        }
        catch (final IllegalMonitorStateException e) {  }
        try {
            s.notifyAll(); //will throw IllegalMonitorStateException
        }
        catch (final IllegalMonitorStateException e) {  }
        try {
            s.wait(1); //will throw IllegalMonitorStateException
        }
        catch (final IllegalMonitorStateException | InterruptedException e) {  }
        try {
            s.wait(1,1); //will throw IllegalMonitorStateException
        }
        catch (final IllegalMonitorStateException | InterruptedException e) {  }
        try {
            s.wait(); //will throw IllegalMonitorStateException
        }
        catch (final IllegalMonitorStateException | InterruptedException e) {  }
    }
}