1 /*
   2  * Copyright (c) 2014, 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 import jdk.test.lib.*;
  25 
  26 /*
  27  * @test TestNullTerminatedFlags
  28  * @bug 6522873
  29  * @summary Test that the VM don't allow random junk characters at the end of valid command line flags.
  30  * @library /testlibrary
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @run driver TestNullTerminatedFlags
  34  */
  35 public class TestNullTerminatedFlags {
  36    public static String[] options = {
  37             "-Xnoclassgc",
  38             "-Xconcgc",
  39             "-Xnoconcgc",
  40             "-Xbatch",
  41             "-green",
  42             "-native",
  43             "-Xsqnopause",
  44             "-Xrs",
  45             "-Xusealtsigs",
  46             "-Xoptimize",
  47             "-Xprof",
  48             "-Xconcurrentio",
  49             "-Xinternalversion",
  50             "-Xprintflags",
  51             "-Xint",
  52             "-Xmixed",
  53             "-Xcomp",
  54             "-Xshare:dump",
  55             "-Xshare:on",
  56             "-Xshare:auto",
  57             "-Xshare:off",
  58             "-Xdebug",
  59             "-Xnoagent",
  60             "-Xboundthreads"
  61         };
  62 
  63     public static void main(String args[]) throws Exception{
  64         for (String option : options) {
  65             String testOption = option + "junk";
  66             ProcessBuilder pb =
  67                 ProcessTools.createJavaProcessBuilder(testOption, "-version");
  68             new OutputAnalyzer(pb.start())
  69                     .shouldContain("Unrecognized option: " + testOption)
  70                     .shouldHaveExitValue(1);
  71         }
  72     }
  73 }
  74