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 8013496
  27  * @summary Test checks that the order in which ReversedCodeCacheSize and
  28  *          InitialCodeCacheSize are passed to the VM is irrelevant.
  29  * @library /test/lib
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  *
  33  * @run driver compiler.codecache.CheckReservedInitialCodeCacheSizeArgOrder
  34  */
  35 
  36 package compiler.codecache;
  37 
  38 import jdk.test.lib.process.OutputAnalyzer;
  39 import jdk.test.lib.process.ProcessTools;
  40 
  41 public class CheckReservedInitialCodeCacheSizeArgOrder {
  42     public static void main(String[] args) throws Exception {
  43         ProcessBuilder pb1,  pb2;
  44         OutputAnalyzer out1, out2;
  45 
  46         pb1 = ProcessTools.createJavaProcessBuilder("-XX:InitialCodeCacheSize=4m", "-XX:ReservedCodeCacheSize=8m", "-version");
  47         pb2 = ProcessTools.createJavaProcessBuilder("-XX:ReservedCodeCacheSize=8m", "-XX:InitialCodeCacheSize=4m", "-version");
  48 
  49         out1 = new OutputAnalyzer(pb1.start());
  50         out2 = new OutputAnalyzer(pb2.start());
  51 
  52         // Check that the outputs are equal
  53         if (out1.getStdout().compareTo(out2.getStdout()) != 0) {
  54             throw new RuntimeException("Test failed");
  55         }
  56 
  57         out1.shouldHaveExitValue(0);
  58         out2.shouldHaveExitValue(0);
  59     }
  60 }