51 lines
1.6 KiB
Java

/*
* Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/*
* @test
* @bug 4892571
* @summary generics: type cast with instance of
* @author gafter
*
* @compile -Werror InstanceOf.java
*/
class InstanceOf<T> {
static interface I1<T> {
public T[] toArray();
}
static interface I2<T> extends I1<T> {
public T[] toArray();
}
static interface I3<T> extends I2<T> { }
InstanceOf() {
I1<T> inv = null;
I1<? extends T> cov = null;
I1<? super T> con = null;
boolean b;
b = inv instanceof I3; // <<pass>>
b = cov instanceof I3; // <<pass>>
b = con instanceof I3; // <<pass>>
}
}