1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*
* Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import jdk.test.lib.process.ExitCode;
import jdk.test.lib.cli.CommandLineOptionTest;
/**
* @test
* @bug 8031323
* @summary Verify SurvivorAlignmentInBytes option processing.
* @library /test/lib
* @requires vm.opt.SurvivorAlignmentInBytes == null
* & vm.opt.ObjectAlignmentInBytes == null
* & vm.opt.UnlockExperimentalVMOptions == null
* & (vm.opt.IgnoreUnrecognizedVMOptions == null
* | vm.opt.IgnoreUnrecognizedVMOptions == "false")
* @modules java.base/jdk.internal.misc
* java.management
* @run main TestSurvivorAlignmentInBytesOption
*/
public class TestSurvivorAlignmentInBytesOption {
public static void main(String args[]) throws Throwable {
String optionName = "SurvivorAlignmentInBytes";
String unlockExperimentalVMOpts = "UnlockExperimentalVMOptions";
String optionIsExperimental
= CommandLineOptionTest.getExperimentalOptionErrorMessage(
optionName);
String valueIsTooSmall= ".*SurvivorAlignmentInBytes.*must be greater"
+ " than or equal to ObjectAlignmentInBytes.*";
String mustBePowerOf2 = ".*SurvivorAlignmentInBytes.*must be "
+ "power of 2.*";
// Verify that without -XX:+UnlockExperimentalVMOptions usage of
// SurvivorAlignmentInBytes option will cause JVM startup failure
// with the warning message saying that that option is experimental.
String shouldFailMessage = String.format("JVM option '%s' is "
+ "experimental.%nJVM startup should fail without "
+ "-XX:+UnlockExperimentalVMOptions option", optionName);
CommandLineOptionTest.verifyJVMStartup(
new String[]{optionIsExperimental}, null,
shouldFailMessage, shouldFailMessage,
ExitCode.FAIL, false,
"-XX:-UnlockExperimentalVMOptions",
CommandLineOptionTest.prepareBooleanFlag(
unlockExperimentalVMOpts, false),
CommandLineOptionTest.prepareNumericFlag(optionName, 64));
// Verify that with -XX:+UnlockExperimentalVMOptions passed to JVM
// usage of SurvivorAlignmentInBytes option won't cause JVM startup
// failure.
String shouldPassMessage = String.format("JVM option '%s' is "
+ "experimental.%nJVM startup should pass with "
+ "-XX:+UnlockExperimentalVMOptions option", optionName);
String noWarningMessage = "There should be no warnings when use "
+ "with -XX:+UnlockExperimentalVMOptions option";
CommandLineOptionTest.verifyJVMStartup(
null, new String[]{optionIsExperimental},
shouldPassMessage, noWarningMessage,
ExitCode.OK, false,
CommandLineOptionTest.prepareBooleanFlag(
unlockExperimentalVMOpts, true),
CommandLineOptionTest.prepareNumericFlag(optionName, 64));
// Verify that if specified SurvivorAlignmentInBytes is lower than
// ObjectAlignmentInBytes, then the JVM startup will fail with
// appropriate error message.
shouldFailMessage = String.format("JVM startup should fail with "
+ "'%s' option value lower than ObjectAlignmentInBytes", optionName);
CommandLineOptionTest.verifyJVMStartup(
new String[]{valueIsTooSmall}, null,
shouldFailMessage, shouldFailMessage,
ExitCode.FAIL, false,
CommandLineOptionTest.prepareBooleanFlag(
unlockExperimentalVMOpts, true),
CommandLineOptionTest.prepareNumericFlag(optionName, 2));
// Verify that if specified SurvivorAlignmentInBytes value is not
// a power of 2 then the JVM startup will fail with appropriate error
// message.
shouldFailMessage = String.format("JVM startup should fail with "
+ "'%s' option value is not a power of 2", optionName);
CommandLineOptionTest.verifyJVMStartup(
new String[]{mustBePowerOf2}, null,
shouldFailMessage, shouldFailMessage,
ExitCode.FAIL, false,
CommandLineOptionTest.prepareBooleanFlag(
unlockExperimentalVMOpts, true),
CommandLineOptionTest.prepareNumericFlag(optionName, 127));
// Verify that if SurvivorAlignmentInBytes has correct value, then
// the JVM will be started without errors.
shouldPassMessage = String.format("JVM startup should pass with "
+ "correct '%s' option value", optionName);
noWarningMessage = String.format("There should be no warnings when use "
+ "correct '%s' option value", optionName);
CommandLineOptionTest.verifyJVMStartup(
null, new String[]{".*SurvivorAlignmentInBytes.*"},
shouldPassMessage, noWarningMessage,
ExitCode.OK, false,
CommandLineOptionTest.prepareBooleanFlag(
unlockExperimentalVMOpts, true),
CommandLineOptionTest.prepareNumericFlag(optionName, 128));
// Verify that we can setup different SurvivorAlignmentInBytes values.
for (int alignment = 32; alignment <= 128; alignment *= 2) {
shouldPassMessage = String.format("JVM startup should pass with "
+ "'%s' = %d", optionName, alignment);
CommandLineOptionTest.verifyOptionValue(optionName,
Integer.toString(alignment), shouldPassMessage,
CommandLineOptionTest.prepareBooleanFlag(
unlockExperimentalVMOpts, true),
CommandLineOptionTest.prepareNumericFlag(
optionName, alignment));
}
}
}
|
