56 lines
1.9 KiB
Java
56 lines
1.9 KiB
Java
/*
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* Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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* @test
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* @bug 4897892
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* @summary cast to parameterized type is accepted although it should be rejected
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* @author gafter
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*
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* @compile/fail -Werror -Xlint:unchecked AmbiguousCast.java
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*/
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class Test {
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private static class GenericWrapper<Elem> {
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private Elem theObject;
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public GenericWrapper(Elem arg) {
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theObject = arg;
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}
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public <T extends Elem> GenericWrapper (GenericWrapper<T> other) {
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this.theObject = other.theObject;
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}
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public String toString() {
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return theObject.toString();
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}
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}
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private static GenericWrapper<String> method (Object wrappedString) {
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return (GenericWrapper<String>) wrappedString;
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}
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public static void main(String[] args) {
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System.out.println(method(new GenericWrapper<String>("abc")));
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System.out.println(method(new GenericWrapper<Exception>(new Exception())));
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}
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}
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