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  * @build com.oracle.java.testlibrary.*
  30  * @run main/othervm ConfigFileParsing
  31  */
  32 
  33 import java.io.PrintWriter;
  34 import com.oracle.java.testlibrary.*;
  35 
  36 public class ConfigFileParsing {
  37   public static void main(String[] args) throws Exception {
  38     String testFileName = ".hotspotrc";
  39 
  40     // Create really long invalid option
  41     String reallyLongInvalidOption = "";
  42     for (int i=0; i<5000; i++)
  43       reallyLongInvalidOption+='a';
  44 
  45     // Populate the options file with really long string
  46     PrintWriter pw = new PrintWriter(testFileName);
  47     pw.println("-XX:+" + reallyLongInvalidOption);
  48     pw.close();
  49 
  50     // start VM
  51     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  52         "-XX:+IgnoreUnrecognizedVMOptions", "-XX:Flags=.hotspotrc", "-version");
  53 
  54     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  55     output.shouldHaveExitValue(0);
  56   }
  57 }