test/tools/javac/typeAnnotations/failures/LintCast.java

Fri, 26 Jun 2009 19:12:41 -0700

author
jjg
date
Fri, 26 Jun 2009 19:12:41 -0700
changeset 309
664edca41e34
child 384
ed31953ca025
permissions
-rw-r--r--

6855544: add missing files
Reviewed-by: jjg, mcimadamore, darcy
Contributed-by: mernst@cs.washington.edu, mali@csail.mit.edu, mpapi@csail.mit.edu

jjg@309 1 /*
jjg@309 2 * Copyright 2008 Sun Microsystems, Inc. All Rights Reserved.
jjg@309 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@309 4 *
jjg@309 5 * This code is free software; you can redistribute it and/or modify it
jjg@309 6 * under the terms of the GNU General Public License version 2 only, as
jjg@309 7 * published by the Free Software Foundation.
jjg@309 8 *
jjg@309 9 * This code is distributed in the hope that it will be useful, but WITHOUT
jjg@309 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@309 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jjg@309 12 * version 2 for more details (a copy is included in the LICENSE file that
jjg@309 13 * accompanied this code).
jjg@309 14 *
jjg@309 15 * You should have received a copy of the GNU General Public License version
jjg@309 16 * 2 along with this work; if not, write to the Free Software Foundation,
jjg@309 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@309 18 *
jjg@309 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
jjg@309 20 * CA 95054 USA or visit www.sun.com if you need additional information or
jjg@309 21 * have any questions.
jjg@309 22 */
jjg@309 23
jjg@309 24 import java.util.List;
jjg@309 25
jjg@309 26 /*
jjg@309 27 * @test
jjg@309 28 * @bug 6843077
jjg@309 29 * @summary test that compiler doesn't warn about annotated redundant casts
jjg@309 30 * @author Mahmood Ali
jjg@309 31 * @compile/ref=LintCast.out -Xlint:cast -XDrawDiagnostics -source 1.7 LintCast.java
jjg@309 32 */
jjg@309 33 class LintCast {
jjg@309 34 void unparameterized() {
jjg@309 35 String s = "m";
jjg@309 36 String s1 = (String)s;
jjg@309 37 String s2 = (@A String)s;
jjg@309 38 }
jjg@309 39
jjg@309 40 void parameterized() {
jjg@309 41 List<String> l = null;
jjg@309 42 List<String> l1 = (List<String>)l;
jjg@309 43 List<String> l2 = (List<@A String>)l;
jjg@309 44 }
jjg@309 45
jjg@309 46 void array() {
jjg@309 47 int @A [] a = null;
jjg@309 48 int[] a1 = (int[])a;
jjg@309 49 int[] a2 = (int @A [])a;
jjg@309 50 }
jjg@309 51
jjg@309 52 void sameAnnotations() {
jjg@309 53 @A String annotated = null;
jjg@309 54 String unannotated = null;
jjg@309 55
jjg@309 56 // compiler ignore annotated casts even if redundant
jjg@309 57 @A String anno1 = (@A String)annotated;
jjg@309 58
jjg@309 59 // warn if redundant without an annotation
jjg@309 60 String anno2 = (String)annotated;
jjg@309 61 String unanno2 = (String)unannotated;
jjg@309 62 }
jjg@309 63 }
jjg@309 64
jjg@309 65 @interface A { }

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