2362N/A * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 0N/A * published by the Free Software Foundation. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * @summary Test casts (legal, warning, and errors) 0N/A // --- Directly transferring parameters --- 0N/A private class AB<T>
extends AA<T> { }
0N/A private class AF<T>
extends AA<T[]> { }
0N/A // --- Inconsistent matches --- 0N/A private class BB<T, S> { }
0N/A private class BD<T>
extends BB<T, T> { }
0N/A // This has to work... 0N/A // 4916620: wildcards: legal cast is rejected 0N/A // bd = (BD<Number>) bb; // <<warn>> <<todo: cast-infer>> // --- Transferring parameters via supertypes --- private interface CA<T> { }
private interface CB<T>
extends CA<T> { }
private interface CC<T>
extends CA<T> { }
private class CD<T>
implements CB<T> { }
private interface CE<T>
extends CC<T> { }
private interface CF<S> { }
private interface CG<T> { }
private class CH<S, T>
implements CF<S>,
CG<T> { }
private interface CI<S>
extends CF<S> { }
private interface CJ<T>
extends CG<T> { }
private interface CK<S, T>
extends CI<S>,
CJ<T> { }
// 4916622: unnecessary warning with cast // o = (CH<String, Integer>) (CK<String, Integer>) null; // <<pass>> <<todo: cast-infer>> private interface DA<T> { }
private interface DB<T>
extends DA<T> { }
o = (
DA<N>) (
DA<R>)
null;
// <<warn 10>> o = (
DA<S>) (
DA<R>)
null;
// <<fail 20>>