1/*
2 * Copyright (c) 2014, 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 8031320
27 * @summary Verify UseRTMLocking option processing on CPU with rtm support and
28 *          on VM with rtm-locking support.
29 * @library /test/lib /
30 * @modules java.base/jdk.internal.misc
31 *          java.management
32 * @requires vm.flavor == "server" & !vm.emulatedClient & vm.rtm.cpu & vm.rtm.os
33 * @build sun.hotspot.WhiteBox
34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
35 *                                sun.hotspot.WhiteBox$WhiteBoxPermission
36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
37 *                   -XX:+WhiteBoxAPI
38 *                   compiler.rtm.cli.TestUseRTMLockingOptionOnSupportedConfig
39 */
40
41package compiler.rtm.cli;
42
43import jdk.test.lib.process.ExitCode;
44import jdk.test.lib.cli.CommandLineOptionTest;
45
46public class TestUseRTMLockingOptionOnSupportedConfig {
47    private static final String DEFAULT_VALUE = "false";
48
49    public void runTestCases() throws Throwable {
50        String unrecongnizedOption
51                =  CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
52                "UseRTMLocking");
53        String shouldPassMessage = "VM option 'UseRTMLocking' is experimental"
54                + "%nJVM startup should pass with "
55                + "-XX:+UnlockExperimentalVMOptions flag";
56        // verify that there are no warning or error in VM output
57        CommandLineOptionTest.verifySameJVMStartup(null,
58                new String[]{
59                        RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
60                        unrecongnizedOption
61                }, shouldPassMessage, "There should not be any warning when use"
62                        + "with -XX:+UnlockExperimentalVMOptions", ExitCode.OK,
63                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
64                "-XX:+UseRTMLocking"
65        );
66
67        CommandLineOptionTest.verifySameJVMStartup(null,
68                new String[]{
69                        RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR,
70                        unrecongnizedOption
71                }, shouldPassMessage, "There should not be any warning when use"
72                        + "with -XX:+UnlockExperimentalVMOptions", ExitCode.OK,
73                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
74                "-XX:-UseRTMLocking"
75        );
76        // verify that UseRTMLocking is of by default
77        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
78                TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
79                String.format("Default value of option 'UseRTMLocking' should "
80                    + "be '%s'", DEFAULT_VALUE),
81                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
82        // verify that we can change UseRTMLocking value
83        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
84                TestUseRTMLockingOptionOnSupportedConfig.DEFAULT_VALUE,
85                String.format("Default value of option 'UseRTMLocking' should "
86                    + "be '%s'", DEFAULT_VALUE),
87                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
88                "-XX:-UseRTMLocking");
89        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
90                "true", "Value of 'UseRTMLocking' should be set "
91                        + "to 'true' if -XX:+UseRTMLocking flag set",
92                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
93                "-XX:+UseRTMLocking");
94    }
95
96    public static void main(String args[]) throws Throwable {
97        new TestUseRTMLockingOptionOnSupportedConfig().runTestCases();
98    }
99}
100