1 /*
2 * Copyright (c) 2014, 2021, 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 CPUs without
28 * rtm support.
29 * @library /test/lib /
30 * @modules java.base/jdk.internal.misc
31 * java.management
32 * @requires vm.flagless
33 * @requires !vm.rtm.cpu & vm.rtm.compiler
34 * @run driver compiler.rtm.cli.TestUseRTMLockingOptionOnUnsupportedCPU
35 */
36
37 package compiler.rtm.cli;
38
39 import jdk.test.lib.process.ExitCode;
40 import jdk.test.lib.Platform;
41 import jdk.test.lib.cli.CommandLineOptionTest;
42
43 public class TestUseRTMLockingOptionOnUnsupportedCPU {
44 private static final String DEFAULT_VALUE = "false";
45
46 public void runTestCases() throws Throwable {
47 String unrecognizedOption
48 = CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
49 "UseRTMLocking");
50 String errorMessage = RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR;
51
52 if (Platform.isX86() || Platform.isX64() || Platform.isPPC()) {
53 String shouldFailMessage = "JVM startup should fail with option " +
54 "-XX:+UseRTMLocking on unsupported CPU";
55
56 try {
57 // verify that we get an error when use +UseRTMLocking
58 // on unsupported CPU
59 CommandLineOptionTest.verifySameJVMStartup(
60 new String[] { errorMessage },
61 new String[] { unrecognizedOption }, shouldFailMessage,
62 shouldFailMessage + ". Error message should be shown.",
63 ExitCode.FAIL, "-XX:+UseRTMLocking");
64 } catch (Throwable e) {
65 // verify that we get an error when use +UseRTMLocking
66 // on unsupported OS. It might be the case that although CPU
67 // supports RTM the OS version does not support RTM
68 if (Platform.isPPC()) {
69 String errorMessage2 = RTMGenericCommandLineOptionTest.RTM_OS_ERROR;
70 String shouldFailMessage2 = "JVM startup should fail with option " +
71 "-XX:+UseRTMLocking on unsupported CPU or " +
72 "OS version";
73
74 CommandLineOptionTest.verifySameJVMStartup(
75 new String[] { errorMessage2 },
76 new String[] { unrecognizedOption}, shouldFailMessage2,
77 shouldFailMessage2 + ". Error message should be shown.",
78 ExitCode.FAIL, "-XX:+UseRTMLocking");
79 } else {
80 throw e; // checking unsupported OS error is not necessary
81 }
82 }
83
84 String shouldPassMessage = "JVM startup should pass with option "
85 + "-XX:-UseRTMLocking even on unsupported CPU";
86 // verify that we can pass -UseRTMLocking without
87 // getting any error messages
88 CommandLineOptionTest.verifySameJVMStartup(null, new String[] {
89 errorMessage, unrecognizedOption }, shouldPassMessage,
90 shouldPassMessage + " without any warnings", ExitCode.OK,
91 "-XX:-UseRTMLocking");
92
93 // verify that UseRTMLocking is false by default
94 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
95 TestUseRTMLockingOptionOnUnsupportedCPU.DEFAULT_VALUE,
96 String.format("Default value of option 'UseRTMLocking' "
97 +"should be '%s'", DEFAULT_VALUE));
98 } else {
99 String shouldFailMessage = "RTMLocking should be unrecognized"
100 + " on non-x86 CPUs. JVM startup should fail."
101 + "Error message should be shown";
102 // verify that on non-x86 CPUs RTMLocking could not be used
103 CommandLineOptionTest.verifySameJVMStartup(
104 new String[] { unrecognizedOption },
105 null, shouldFailMessage, shouldFailMessage,
106 ExitCode.FAIL, "-XX:+UseRTMLocking");
107
108 CommandLineOptionTest.verifySameJVMStartup(
109 new String[] { unrecognizedOption },
110 null, shouldFailMessage, shouldFailMessage,
111 ExitCode.FAIL, "-XX:-UseRTMLocking");
112 }
113 }
114
115 public static void main(String args[]) throws Throwable {
116 new TestUseRTMLockingOptionOnUnsupportedCPU().runTestCases();
117 }
118 }