CastWarn4.java revision 288
220N/A/*
220N/A * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.
220N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
220N/A *
220N/A * This code is free software; you can redistribute it and/or modify it
220N/A * under the terms of the GNU General Public License version 2 only, as
220N/A * published by the Free Software Foundation.
220N/A *
220N/A * This code is distributed in the hope that it will be useful, but WITHOUT
220N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
220N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
220N/A * version 2 for more details (a copy is included in the LICENSE file that
220N/A * accompanied this code).
220N/A *
220N/A * You should have received a copy of the GNU General Public License version
220N/A * 2 along with this work; if not, write to the Free Software Foundation,
220N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
220N/A *
220N/A * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
220N/A * CA 95054 USA or visit www.sun.com if you need additional information or
220N/A * have any questions.
220N/A */
220N/A
220N/A/*
220N/A * @test
220N/A * @bug 4916607
220N/A * @summary Test casts (legal, warning, and errors)
* @author gafter
*
* @compile/fail -Werror -Xlint:unchecked CastWarn4.java
*/
import java.util.*;
class CastTest {
// --- Disjoint ---
private interface DA<T> { }
private interface DB<T> extends DA<T> { }
private interface DC<T> extends DA<Integer> { }
private <N extends Number, I extends Integer, R extends Runnable, S extends String> void disjointness() {
Object o;
o = (DA<? super String>) (DA<? super Number>) null; // <<warn 4>>
}
}