1/* 2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* 25 * @test 26 * @bug 8006037 27 * @summary extra space in javac -help for -J and @ options 28 * @modules jdk.compiler 29 */ 30 31import java.io.PrintWriter; 32import java.io.StringWriter; 33 34public class Option_J_At_Test { 35 public static void main(String... args) throws Exception { 36 new Option_J_At_Test().run(); 37 } 38 39 void run() throws Exception { 40 StringWriter sw = new StringWriter(); 41 PrintWriter pw = new PrintWriter(sw); 42 String[] help = { "-help" }; 43 int rc = com.sun.tools.javac.Main.compile(help, pw); 44 pw.flush(); 45 String out = sw.toString(); 46 System.out.println(out); 47 check(out, "-J<flag>", true); 48 check(out, "-J <flag>", false); 49 check(out, "@<filename>", true); 50 check(out, "@ <filename>", false); 51 if (errors > 0) 52 throw new Exception(errors + " errors found"); 53 } 54 55 void check(String out, String text, boolean expect) { 56 if (out.contains(text) != expect) { 57 if (expect) 58 error("expected string not found: " + text); 59 else 60 error("unexpected string found: " + text); 61 } 62 } 63 64 void error(String msg) { 65 System.err.println("Error: " + msg); 66 errors++; 67 } 68 69 int errors; 70} 71