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 
  70     static void containsAllOptions(TestResult tr) {
  71         checkContains(tr, VM_SETTINGS);
  72         checkContains(tr, PROP_SETTINGS);
  73         checkContains(tr, LOCALE_SETTINGS);
  74     }
  75 
  76     static void runTestOptionDefault() throws IOException {
  77         String stackSize = "256"; // in kb
  78         if (getArch().equals("ppc64") || getArch().equals("ppc64le")) {
  79             stackSize = "800";
  80         } else if (getArch().equals("aarch64")) {
  81             /*
  82              * The max value of minimum stack size allowed for aarch64 can be estimated as
  83              * such: suppose the vm page size is 64KB and the test runs with a debug build,
  84              * the initial _java_thread_min_stack_allowed defined in os_linux_aarch64.cpp is
  85              * 72K, stack guard zones could take 192KB, and the shadow zone needs 128KB,
  86              * after aligning up all parts to the page size, the final size would be 448KB.
  87              * See details in JDK-8163363
  88              */
  89             stackSize = "448";
  90         }
  91         TestResult tr = null;
  92         tr = doExec(javaCmd, "-Xms64m", "-Xmx512m",
  93                 "-Xss" + stackSize + "k", "-XshowSettings", "-jar", testJar.getAbsolutePath());
  94         // Check the stack size logs printed by -XshowSettings to verify -Xss meaningfully.
  95         checkContains(tr, STACKSIZE_SETTINGS);
  96         containsAllOptions(tr);
  97         if (!tr.isOK()) {
  98             System.out.println(tr.status);
  99             throw new RuntimeException("test fails");
 100         }
 101         tr = doExec(javaCmd, "-Xms65536k", "-Xmx712m",
 102                 "-Xss" + stackSize + "000", "-XshowSettings", "-jar", testJar.getAbsolutePath());
 103         checkContains(tr, STACKSIZE_SETTINGS);
 104         containsAllOptions(tr);
 105         if (!tr.isOK()) {
 106             System.out.println(tr.status);
 107             throw new RuntimeException("test fails");
 108         }
 109     }
 110 
 111     static void runTestOptionAll() throws IOException {
 112         init();
 113         TestResult tr = null;
 114         tr = doExec(javaCmd, "-XshowSettings:all");
 115         containsAllOptions(tr);
 116     }
 117 
 118     static void runTestOptionVM() throws IOException {
 119         TestResult tr = null;
 120         tr = doExec(javaCmd, "-XshowSettings:vm");
 121         checkContains(tr, VM_SETTINGS);
 122         checkNoContains(tr, PROP_SETTINGS);
 123         checkNoContains(tr, LOCALE_SETTINGS);
 124     }
 125 
 126     static void runTestOptionProperty() throws IOException {
 127         TestResult tr = null;
 128         tr = doExec(javaCmd, "-XshowSettings:properties");
 129         checkNoContains(tr, VM_SETTINGS);
 130         checkContains(tr, PROP_SETTINGS);
 131         checkNoContains(tr, LOCALE_SETTINGS);
 132     }
 133 
 134     static void runTestOptionLocale() throws IOException {
 135         TestResult tr = null;
 136         tr = doExec(javaCmd, "-XshowSettings:locale");
 137         checkNoContains(tr, VM_SETTINGS);
 138         checkNoContains(tr, PROP_SETTINGS);
 139         checkContains(tr, LOCALE_SETTINGS);
 140     }
 141 
 142     static void runTestBadOptions() throws IOException {
 143         TestResult tr = null;
 144         tr = doExec(javaCmd, "-XshowSettingsBadOption");
 145         checkNoContains(tr, VM_SETTINGS);
 146         checkNoContains(tr, PROP_SETTINGS);
 147         checkNoContains(tr, LOCALE_SETTINGS);
 148         checkContains(tr, "Unrecognized option: -XshowSettingsBadOption");
 149     }
 150 
 151     static void runTest7123582() throws IOException {
 152         TestResult tr = null;
 153         tr = doExec(javaCmd, "-XshowSettings", "-version");
 154         if (!tr.isOK()) {
 155             System.out.println(tr.status);
 156             throw new RuntimeException("test fails");
 157         }
 158         containsAllOptions(tr);
 159     }
 160 
 161     public static void main(String... args) {
 162         try {
 163             runTestOptionAll();
 164             runTestOptionDefault();
 165             runTestOptionVM();
 166             runTestOptionProperty();
 167             runTestOptionLocale();
 168             runTestBadOptions();
 169             runTest7123582();
 170         } catch (IOException ioe) {
 171             throw new RuntimeException(ioe);
 172         }
 173     }
 174 }