1 /*
2 * Copyright (c) 2010, 2012, 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 import java.io.File;
24 import java.io.IOException;
25
26 /*
27 * @test
28 * @bug 6994753 7123582
29 * @summary tests -XshowSettings options
30 * @compile -XDignore.symbol.file Settings.java
31 * @run main Settings
32 * @author ksrini
33 */
34 public class Settings extends TestHelper {
35 private static File testJar = null;
36
37 static void init() throws IOException {
38 if (testJar != null) {
39 return;
40 }
41 testJar = new File("test.jar");
42 StringBuilder tsrc = new StringBuilder();
43 tsrc.append("public static void main(String... args) {\n");
44 tsrc.append(" for (String x : args) {\n");
45 tsrc.append(" System.out.println(x);\n");
46 tsrc.append(" }\n");
47 tsrc.append("}\n");
48 createJar(testJar, tsrc.toString());
49 }
50
51 static void checkContains(TestResult tr, String str) {
52 if (!tr.contains(str)) {
53 System.out.println(tr);
54 throw new RuntimeException(str + " not found");
55 }
56 }
57
58 static void checkNoContains(TestResult tr, String str) {
59 if (tr.contains(str)) {
60 System.out.println(tr.status);
61 throw new RuntimeException(str + " found");
62 }
63 }
64
65 private static final String VM_SETTINGS = "VM settings:";
66 private static final String PROP_SETTINGS = "Property settings:";
67 private static final String LOCALE_SETTINGS = "Locale settings:";
68 private static final String STACKSIZE_SETTINGS = "Stack Size:";
69 private static final String SYSTEM_SETTINGS = "Operating System Metrics:";
70
71 static void containsAllOptions(TestResult tr) {
72 checkContains(tr, VM_SETTINGS);
73 checkContains(tr, PROP_SETTINGS);
74 checkContains(tr, LOCALE_SETTINGS);
75 if (System.getProperty("os.name").contains("Linux")) {
76 checkContains(tr, SYSTEM_SETTINGS);
77 }
78 }
79
80 static void runTestOptionDefault() throws IOException {
81 String stackSize = "256"; // in kb
82 if (getArch().equals("ppc64") || getArch().equals("ppc64le")) {
83 stackSize = "800";
84 } else if (getArch().equals("aarch64")) {
85 /*
86 * The max value of minimum stack size allowed for aarch64 can be estimated as
87 * such: suppose the vm page size is 64KB and the test runs with a debug build,
88 * the initial _java_thread_min_stack_allowed defined in os_linux_aarch64.cpp is
89 * 72K, stack guard zones could take 192KB, and the shadow zone needs 128KB,
90 * after aligning up all parts to the page size, the final size would be 448KB.
91 * See details in JDK-8163363
92 */
93 stackSize = "448";
94 }
95 TestResult tr = null;
96 tr = doExec(javaCmd, "-Xms64m", "-Xmx512m",
97 "-Xss" + stackSize + "k", "-XshowSettings", "-jar", testJar.getAbsolutePath());
98 // Check the stack size logs printed by -XshowSettings to verify -Xss meaningfully.
99 checkContains(tr, STACKSIZE_SETTINGS);
100 containsAllOptions(tr);
101 if (!tr.isOK()) {
102 System.out.println(tr.status);
103 throw new RuntimeException("test fails");
104 }
105 tr = doExec(javaCmd, "-Xms65536k", "-Xmx712m",
106 "-Xss" + stackSize + "000", "-XshowSettings", "-jar", testJar.getAbsolutePath());
107 checkContains(tr, STACKSIZE_SETTINGS);
108 containsAllOptions(tr);
109 if (!tr.isOK()) {
110 System.out.println(tr.status);
111 throw new RuntimeException("test fails");
112 }
113 }
114
115 static void runTestOptionSystem() throws IOException {
116 TestResult tr = doExec(javaCmd, "-XshowSettings:system");
117 if (System.getProperty("os.name").contains("Linux")) {
118 checkNoContains(tr, VM_SETTINGS);
119 checkNoContains(tr, PROP_SETTINGS);
120 checkNoContains(tr, LOCALE_SETTINGS);
121 checkContains(tr, SYSTEM_SETTINGS);
122 } else {
123 // -XshowSettings prints all available settings when
124 // settings argument is not recognized.
125 containsAllOptions(tr);
126 }
127 }
128
129 static void runTestOptionAll() throws IOException {
130 init();
131 TestResult tr = null;
132 tr = doExec(javaCmd, "-XshowSettings:all");
133 containsAllOptions(tr);
134 }
135
136 static void runTestOptionVM() throws IOException {
137 TestResult tr = null;
138 tr = doExec(javaCmd, "-XshowSettings:vm");
139 checkContains(tr, VM_SETTINGS);
140 checkNoContains(tr, PROP_SETTINGS);
141 checkNoContains(tr, LOCALE_SETTINGS);
142 }
143
144 static void runTestOptionProperty() throws IOException {
145 TestResult tr = null;
146 tr = doExec(javaCmd, "-XshowSettings:properties");
147 checkNoContains(tr, VM_SETTINGS);
148 checkContains(tr, PROP_SETTINGS);
149 checkNoContains(tr, LOCALE_SETTINGS);
150 }
151
152 static void runTestOptionLocale() throws IOException {
153 TestResult tr = null;
154 tr = doExec(javaCmd, "-XshowSettings:locale");
155 checkNoContains(tr, VM_SETTINGS);
156 checkNoContains(tr, PROP_SETTINGS);
157 checkContains(tr, LOCALE_SETTINGS);
158 }
159
160 static void runTestBadOptions() throws IOException {
161 TestResult tr = null;
162 tr = doExec(javaCmd, "-XshowSettingsBadOption");
163 checkNoContains(tr, VM_SETTINGS);
164 checkNoContains(tr, PROP_SETTINGS);
165 checkNoContains(tr, LOCALE_SETTINGS);
166 checkContains(tr, "Unrecognized option: -XshowSettingsBadOption");
167 }
168
169 static void runTest7123582() throws IOException {
170 TestResult tr = null;
171 tr = doExec(javaCmd, "-XshowSettings", "-version");
172 if (!tr.isOK()) {
173 System.out.println(tr.status);
174 throw new RuntimeException("test fails");
175 }
176 containsAllOptions(tr);
177 }
178
179 public static void main(String... args) {
180 try {
181 runTestOptionAll();
182 runTestOptionDefault();
183 runTestOptionVM();
184 runTestOptionProperty();
185 runTestOptionLocale();
186 runTestOptionSystem();
187 runTestBadOptions();
188 runTest7123582();
189 } catch (IOException ioe) {
190 throw new RuntimeException(ioe);
191 }
192 }
193 }