aoqi@0: /*
aoqi@0:  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @summary Check usages of underscore as identifier generate warnings
aoqi@0:  * @compile/fail/ref=WarnUnderscoreAsIdent.out -XDrawDiagnostics -Werror WarnUnderscoreAsIdent.java
aoqi@0:  */
aoqi@0: package _._;
aoqi@0: 
aoqi@0: import _._;
aoqi@0: 
aoqi@0: class _ {
aoqi@0:     String _ = null;
aoqi@0:     void _(String _) { }
aoqi@0:     void testLocal() {
aoqi@0:         String _ = null;
aoqi@0:     }
aoqi@0:     void testFor() {
aoqi@0:         for (int _ = 0; _ < 10; _++);
aoqi@0:     }
aoqi@0:     void testTry() {
aoqi@0:         try { } catch (Throwable _) { }
aoqi@0:     }
aoqi@0:     void testLabel() {
aoqi@0:         _:
aoqi@0:         for (;;) {
aoqi@0:             break _;
aoqi@0:         }
aoqi@0:         _:
aoqi@0:         for (;;) {
aoqi@0:             continue _;
aoqi@0:         }
aoqi@0:     }
aoqi@0: }