UnderscoreAsIdent.java revision 2747:84a76798cff3
14Srgrimes/* 21549Srgrimes * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. 31549Srgrimes * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 44Srgrimes * 54Srgrimes * This code is free software; you can redistribute it and/or modify it 64Srgrimes * under the terms of the GNU General Public License version 2 only, as 74Srgrimes * published by the Free Software Foundation. 84Srgrimes * 94Srgrimes * This code is distributed in the hope that it will be useful, but WITHOUT 104Srgrimes * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 114Srgrimes * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 124Srgrimes * version 2 for more details (a copy is included in the LICENSE file that 134Srgrimes * accompanied this code). 144Srgrimes * 154Srgrimes * You should have received a copy of the GNU General Public License version 164Srgrimes * 2 along with this work; if not, write to the Free Software Foundation, 174Srgrimes * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 184Srgrimes * 194Srgrimes * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 204Srgrimes * or visit www.oracle.com if you need additional information or have any 214Srgrimes * questions. 224Srgrimes */ 234Srgrimes 244Srgrimes/* 254Srgrimes * @test 264Srgrimes * @summary Check usages of underscore as identifier generate warnings 274Srgrimes * @compile/fail/ref=UnderscoreAsIdent8.out -source 8 -Xlint:-options -XDrawDiagnostics -Werror UnderscoreAsIdent.java 284Srgrimes * @compile/fail/ref=UnderscoreAsIdent9.out -XDrawDiagnostics -Werror UnderscoreAsIdent.java 294Srgrimes */ 304Srgrimespackage _._; 314Srgrimes 324Srgrimesimport _._; 331549Srgrimes 344Srgrimesclass _ { 354Srgrimes String _ = null; 36719Swollman void _(String _) { } 37719Swollman void testLocal() { 38719Swollman String _ = null; 394Srgrimes } 401549Srgrimes void testFor() { 414Srgrimes for (int _ = 0; _ < 10; _++); 424Srgrimes } 431549Srgrimes void testTry() { 444Srgrimes try { } catch (Throwable _) { } 451549Srgrimes } 461549Srgrimes void testLabel() { 471549Srgrimes _: 481549Srgrimes for (;;) { 491549Srgrimes break _; 501549Srgrimes } 511549Srgrimes _: 521549Srgrimes for (;;) { 531549Srgrimes continue _; 541549Srgrimes } 551549Srgrimes } 561549Srgrimes} 574Srgrimes