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 TestUnrecognizedVMOptionsHandling
  26  * @key gc
  27  * @bug 8017611
  28  * @summary Tests handling unrecognized VM options
  29  * @library /testlibrary
  30  * @build com.oracle.java.testlibrary.*
  31  * @run main/othervm TestUnrecognizedVMOptionsHandling
  32  */
  33 
  34 import com.oracle.java.testlibrary.*;
  35 
  36 public class TestUnrecognizedVMOptionsHandling {
  37 
  38   public static void main(String args[]) throws Exception {
  39     // The first two JAVA processes are expected to fail, but with a correct VM option suggestion
  40     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  41       "-XX:+PrintGc",
  42       "-version"
  43       );
  44     OutputAnalyzer outputWithError = new OutputAnalyzer(pb.start());
  45     outputWithError.shouldContain("Did you mean '(+/-)PrintGC'?");
  46     if (outputWithError.getExitValue() == 0) {
  47       throw new RuntimeException("Not expected to get exit value 0");
  48     }
  49 
  50     pb = ProcessTools.createJavaProcessBuilder(
  51       "-XX:MaxiumHeapSize=500m",
  52       "-version"
  53       );
  54     outputWithError = new OutputAnalyzer(pb.start());
  55     outputWithError.shouldContain("Did you mean 'MaxHeapSize=<value>'?");
  56     if (outputWithError.getExitValue() == 0) {
  57       throw new RuntimeException("Not expected to get exit value 0");
  58     }
  59 
  60     // The last JAVA process should run successfully for the purpose of sanity check
  61     pb = ProcessTools.createJavaProcessBuilder(
  62       "-XX:+PrintGC",
  63       "-version"
  64       );
  65     OutputAnalyzer outputWithNoError = new OutputAnalyzer(pb.start());
  66     outputWithNoError.shouldNotContain("Did you mean '(+/-)PrintGC'?");
  67     outputWithNoError.shouldHaveExitValue(0);
  68   }
  69 }
  70