1 /* 2 * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 */ 23 24 /* 25 * @test 26 * @bug 4916607 27 * @summary Test casts (legal, warning, and errors) 28 * @author gafter 29 * 30 * @compile/fail -Werror -Xlint:unchecked CastWarn7.java 31 */ 32 33 import java.util.*; 34 35 class CastTest { 36 37 // --- Disjoint --- 38 39 private interface DA<T> { } 40 private interface DB<T> extends DA<T> { } 41 private interface DC<T> extends DA<Integer> { } 42 43 private <N extends Number, I extends Integer, R extends Runnable, S extends String> void disjointness() { 44 Object o; 45 46 o = (DA<N>) (DA<? extends Integer>) null; // <<warn 7>> 47 } 48 49 }