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 -source 1.5 CastFail13.java 31 */ 32 33 import java.util.*; 34 35 class CastTest { 36 37 // --- Transferring parameters via supertypes --- 38 39 private interface CA<T> { } 40 private interface CB<T> extends CA<T> { } 41 private interface CC<T> extends CA<T> { } 42 43 private class CD<T> implements CB<T> { } 44 private interface CE<T> extends CC<T> { } 45 46 private interface CF<S> { } 47 private interface CG<T> { } 48 private class CH<S, T> implements CF<S>, CG<T> { } 49 private interface CI<S> extends CF<S> { } 50 private interface CJ<T> extends CG<T> { } 51 private interface CK<S, T> extends CI<S>, CJ<T> { } 52 53 private void supertypeParameterTransfer() { 54 Object o; 55 o = (CE<Number>) (CD<String>) null; // <<fail 13>> 56 } 57 58 }