1 /*
   2  * Copyright (c) 2013, 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 ConfigFileParsing
  26  * @bug 7158804
  27  * @summary Improve config file parsing
  28  * @library /testlibrary
  29  */
  30 
  31 import java.io.PrintWriter;
  32 import com.oracle.java.testlibrary.*;
  33 
  34 public class ConfigFileParsing {
  35   public static void main(String[] args) throws Exception {
  36     String testFileName = ".hotspotrc";
  37 
  38     // Create really long invalid option
  39     String reallyLongInvalidOption = "";
  40     for (int i=0; i<5000; i++)
  41       reallyLongInvalidOption+='a';
  42 
  43     // Populate the options file with really long string
  44     PrintWriter pw = new PrintWriter(testFileName);
  45     pw.println("-XX:+" + reallyLongInvalidOption);
  46     pw.close();
  47 
  48     // start VM
  49     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  50         "-XX:+IgnoreUnrecognizedVMOptions", "-XX:Flags=.hotspotrc", "-version");
  51 
  52     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  53     output.shouldHaveExitValue(0);
  54   }
  55 }