test/tools/javac/cast/6467183/T6467183a.java

Thu, 05 Mar 2009 17:24:08 +0000

author
mcimadamore
date
Thu, 05 Mar 2009 17:24:08 +0000
changeset 235
850869f70213
child 384
ed31953ca025
permissions
-rw-r--r--

6467183: javac fails to raise unchecked warning on cast of parameterized generic subclass
Summary: cleanup code for generating unchecked cast warnings
Reviewed-by: jjg

mcimadamore@235 1 /*
mcimadamore@235 2 * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
mcimadamore@235 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
mcimadamore@235 4 *
mcimadamore@235 5 * This code is free software; you can redistribute it and/or modify it
mcimadamore@235 6 * under the terms of the GNU General Public License version 2 only, as
mcimadamore@235 7 * published by the Free Software Foundation.
mcimadamore@235 8 *
mcimadamore@235 9 * This code is distributed in the hope that it will be useful, but WITHOUT
mcimadamore@235 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
mcimadamore@235 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
mcimadamore@235 12 * version 2 for more details (a copy is included in the LICENSE file that
mcimadamore@235 13 * accompanied this code).
mcimadamore@235 14 *
mcimadamore@235 15 * You should have received a copy of the GNU General Public License version
mcimadamore@235 16 * 2 along with this work; if not, write to the Free Software Foundation,
mcimadamore@235 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
mcimadamore@235 18 *
mcimadamore@235 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
mcimadamore@235 20 * CA 95054 USA or visit www.sun.com if you need additional information or
mcimadamore@235 21 * have any questions.
mcimadamore@235 22 */
mcimadamore@235 23
mcimadamore@235 24 /*
mcimadamore@235 25 * @test
mcimadamore@235 26 * @author mcimadamore
mcimadamore@235 27 * @bug 6467183
mcimadamore@235 28 * @summary
mcimadamore@235 29 * @compile/fail/ref=T6467183a.out -Xlint:unchecked -Werror -XDrawDiagnostics T6467183a.java
mcimadamore@235 30 */
mcimadamore@235 31
mcimadamore@235 32 class T6467183a<T> {
mcimadamore@235 33
mcimadamore@235 34 class A<S> {}
mcimadamore@235 35 class B extends A<Integer> {}
mcimadamore@235 36 class C<X> extends A<X> {}
mcimadamore@235 37
mcimadamore@235 38 void cast1(B b) {
mcimadamore@235 39 Object o = (A<T>)b;
mcimadamore@235 40 }
mcimadamore@235 41
mcimadamore@235 42 void cast2(B b) {
mcimadamore@235 43 Object o = (A<? extends Number>)b;
mcimadamore@235 44 }
mcimadamore@235 45
mcimadamore@235 46 void cast3(A<Integer> a) {
mcimadamore@235 47 Object o = (C<? extends Number>)a;
mcimadamore@235 48 }
mcimadamore@235 49
mcimadamore@235 50 void cast4(A<Integer> a) {
mcimadamore@235 51 Object o = (C<? extends Integer>)a;
mcimadamore@235 52 }
mcimadamore@235 53 }

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