1 /*
   2  * Copyright (c) 2015, 2016, 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 8137167
  27  * @summary Tests jcmd to be able to clear directives added via options
  28  * @modules java.base/jdk.internal.misc
  29  * @library /test/lib /
  30  *
  31  * @build sun.hotspot.WhiteBox
  32  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  33  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run driver compiler.compilercontrol.jcmd.ClearDirectivesFileStackTest
  35  */
  36 
  37 package compiler.compilercontrol.jcmd;
  38 
  39 import compiler.compilercontrol.share.AbstractTestBase;
  40 import compiler.compilercontrol.share.method.MethodDescriptor;
  41 import compiler.compilercontrol.share.scenario.Command;
  42 import compiler.compilercontrol.share.scenario.CommandGenerator;
  43 import compiler.compilercontrol.share.scenario.CompileCommand;
  44 import compiler.compilercontrol.share.scenario.JcmdCommand;
  45 import compiler.compilercontrol.share.scenario.Scenario;
  46 import jdk.test.lib.Utils;
  47 
  48 import java.lang.reflect.Executable;
  49 
  50 public class ClearDirectivesFileStackTest extends AbstractTestBase {
  51     private static final int AMOUNT = Utils.getRandomInstance().nextInt(100);
  52     private final CommandGenerator cmdGen = new CommandGenerator();
  53 
  54     public static void main(String[] args) {
  55         new ClearDirectivesFileStackTest().test();
  56     }
  57 
  58     @Override
  59     public void test() {
  60         Scenario.Builder builder = Scenario.getBuilder();
  61         // Add some commands with directives file
  62         for (int i = 0; i < AMOUNT; i++) {
  63             Executable exec = Utils.getRandomElement(METHODS).first;
  64             MethodDescriptor methodDescriptor = getValidMethodDescriptor(exec);
  65             Command command = cmdGen.generateCommand();
  66             if (command == Command.NONEXISTENT) {
  67                 // skip invalid command
  68                 command = Command.COMPILEONLY;
  69             }
  70             CompileCommand compileCommand = new CompileCommand(command,
  71                     methodDescriptor, cmdGen.generateCompiler(),
  72                     Scenario.Type.DIRECTIVE);
  73             compileCommand.print();
  74             builder.add(compileCommand);
  75         }
  76         // clear the stack
  77         builder.add(new JcmdCommand(Command.NONEXISTENT, null, null,
  78                 Scenario.Type.JCMD, Scenario.JcmdType.CLEAR));
  79         // print all directives after the clear
  80         builder.add(new JcmdCommand(Command.NONEXISTENT, null, null,
  81                 Scenario.Type.JCMD, Scenario.JcmdType.PRINT));
  82         Scenario scenario = builder.build();
  83         scenario.execute();
  84     }
  85 }