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 clear JCMD command
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.ClearDirectivesStackTest
35 */
36
37package compiler.compilercontrol.jcmd;
38
39import compiler.compilercontrol.share.AbstractTestBase;
40import compiler.compilercontrol.share.method.MethodDescriptor;
41import compiler.compilercontrol.share.scenario.Command;
42import compiler.compilercontrol.share.scenario.CommandGenerator;
43import compiler.compilercontrol.share.scenario.CompileCommand;
44import compiler.compilercontrol.share.scenario.JcmdCommand;
45import compiler.compilercontrol.share.scenario.Scenario;
46import jdk.test.lib.Utils;
47
48import java.lang.reflect.Executable;
49
50public class ClearDirectivesStackTest 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 ClearDirectivesStackTest().test();
56    }
57
58    @Override
59    public void test() {
60        Scenario.Builder builder = Scenario.getBuilder();
61        // Add some commands with JCMD
62        for (int i = 0; i < AMOUNT; i++) {
63            Executable exec = Utils.getRandomElement(METHODS).first;
64            MethodDescriptor methodDescriptor = getValidMethodDescriptor(exec);
65            CompileCommand compileCommand = new JcmdCommand(
66                    cmdGen.generateCommand(), methodDescriptor,
67                    cmdGen.generateCompiler(), Scenario.Type.JCMD,
68                    Scenario.JcmdType.ADD);
69            compileCommand.print();
70            builder.add(compileCommand);
71        }
72        // clear the stack
73        builder.add(new JcmdCommand(Command.NONEXISTENT, null, null,
74                Scenario.Type.JCMD, Scenario.JcmdType.CLEAR));
75        // print all directives after the clear
76        builder.add(new JcmdCommand(Command.NONEXISTENT, null, null,
77                Scenario.Type.JCMD, Scenario.JcmdType.PRINT));
78        Scenario scenario = builder.build();
79        scenario.execute();
80    }
81}
82