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 without
28 *          rtm support.
29 * @library /test/lib /
30 * @modules java.base/jdk.internal.misc
31 *          java.management
32 * @requires (!vm.rtm.cpu) & (vm.flavor == "server" & !vm.emulatedClient)
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.TestUseRTMLockingOptionOnUnsupportedCPU
39 */
40
41package compiler.rtm.cli;
42
43import jdk.test.lib.process.ExitCode;
44import jdk.test.lib.Platform;
45import jdk.test.lib.cli.CommandLineOptionTest;
46
47public class TestUseRTMLockingOptionOnUnsupportedCPU {
48    private static final String DEFAULT_VALUE = "false";
49
50    public void runTestCases() throws Throwable {
51        String unrecongnizedOption
52                = CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
53                "UseRTMLocking");
54        String errorMessage = RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR;
55
56        if (Platform.isX86() || Platform.isX64() || Platform.isPPC()) {
57            String shouldFailMessage = "JVM startup should fail with option "
58                    + "-XX:+UseRTMLocking on unsupported CPU";
59            // verify that we get an error when use +UseRTMLocking
60            // on unsupported CPU
61            CommandLineOptionTest.verifySameJVMStartup(
62                    new String[] { errorMessage },
63                    new String[] { unrecongnizedOption }, shouldFailMessage,
64                    shouldFailMessage + ". Error message should be shown",
65                    ExitCode.FAIL, "-XX:+UseRTMLocking");
66
67            String shouldPassMessage = "JVM startup should pass with option "
68                    + "-XX:-UseRTMLocking even on unsupported CPU";
69            // verify that we can pass -UseRTMLocking without
70            // getting any error messages
71            CommandLineOptionTest.verifySameJVMStartup(null, new String[] {
72                    errorMessage, unrecongnizedOption }, shouldPassMessage,
73                    shouldPassMessage + " without any warnings", ExitCode.OK,
74                    "-XX:-UseRTMLocking");
75
76            // verify that UseRTMLocking is false by default
77            CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
78                    TestUseRTMLockingOptionOnUnsupportedCPU.DEFAULT_VALUE,
79                    String.format("Default value of option 'UseRTMLocking' "
80                        +"should be '%s'", DEFAULT_VALUE));
81        } else {
82            String shouldFailMessage = "RTMLocking should be unrecognized"
83                    + " on non-x86 CPUs. JVM startup should fail."
84                    + "Error message should be shown";
85            // verify that on non-x86 CPUs RTMLocking could not be used
86            CommandLineOptionTest.verifySameJVMStartup(
87                    new String[] { unrecongnizedOption },
88                    null, shouldFailMessage, shouldFailMessage,
89                    ExitCode.FAIL, "-XX:+UseRTMLocking");
90
91            CommandLineOptionTest.verifySameJVMStartup(
92                    new String[] { unrecongnizedOption },
93                    null, shouldFailMessage, shouldFailMessage,
94                    ExitCode.FAIL, "-XX:-UseRTMLocking");
95        }
96    }
97
98    public static void main(String args[]) throws Throwable {
99        new TestUseRTMLockingOptionOnUnsupportedCPU().runTestCases();
100    }
101}
102