TestUseRTMDeoptOptionOnUnsupportedConfig.java revision 12158:0fe2815ffa74 
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 UseRTMDeopt option processing on CPUs without rtm support
28 *          or on VMs without rtm locking support.
29 * @library /test/lib /
30 * @modules java.base/jdk.internal.misc
31 *          java.management
32 *
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.TestUseRTMDeoptOptionOnUnsupportedConfig
39 */
40
41package compiler.rtm.cli;
42
43import compiler.testlibrary.rtm.predicate.SupportedCPU;
44import compiler.testlibrary.rtm.predicate.SupportedOS;
45import compiler.testlibrary.rtm.predicate.SupportedVM;
46import jdk.test.lib.cli.CommandLineOptionTest;
47import jdk.test.lib.cli.predicate.AndPredicate;
48import jdk.test.lib.cli.predicate.NotPredicate;
49
50public class TestUseRTMDeoptOptionOnUnsupportedConfig
51        extends RTMGenericCommandLineOptionTest {
52    private static final String DEFAULT_VALUE = "false";
53
54    private TestUseRTMDeoptOptionOnUnsupportedConfig() {
55        super(new NotPredicate(
56                new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM())),
57                "UseRTMDeopt", true, false,
58                TestUseRTMDeoptOptionOnUnsupportedConfig.DEFAULT_VALUE,
59                "true");
60    }
61
62    @Override
63    protected void runX86SupportedVMTestCases() throws Throwable {
64        super.verifyJVMStartup();
65        // verify default value
66        CommandLineOptionTest.verifyOptionValueForSameVM(optionName,
67                defaultValue, String.format("'%s' should have '%s' "
68                        + "default value on unsupported configs.",
69                        optionName, DEFAULT_VALUE));
70        // verify that until RTMLocking is not used, value
71        // will be set to default false.
72        CommandLineOptionTest.verifyOptionValueForSameVM(optionName,
73                defaultValue, String.format("'%s' should be off on unsupported"
74                        + " configs even if '-XX:+%s' flag set", optionName,
75                        optionName),
76                "-XX:+UseRTMDeopt");
77    }
78
79    public static void main(String args[]) throws Throwable {
80        new TestUseRTMDeoptOptionOnUnsupportedConfig().test();
81    }
82}
83