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/*
* Copyright (c) 2005, 2023, 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 java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.io.IOException;
import jdk.test.lib.JDKToolLauncher;
import jdk.test.lib.Utils;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.apps.LingeredApp;
/*
* @test
* @summary Unit test for jinfo utility
*
* @library /test/lib
* @modules java.base/jdk.internal.misc
* java.management
* jdk.jcmd
*
* @run main JInfoTest
*/
public class JInfoTest {
private static ProcessBuilder processBuilder = new ProcessBuilder();
public static void main(String[] args) throws Exception {
classNameMatch();
setMultipleFlags();
setFlag();
}
private static void setFlag() throws Exception {
System.out.println("#### setFlag ####");
LingeredApp app1 = new JInfoTestLingeredApp();
LingeredApp app2 = new JInfoTestLingeredApp();
try {
LingeredApp.startApp(app1);
LingeredApp.startApp(app2);
OutputAnalyzer output = jinfo("-flag", "MinHeapFreeRatio=1", "JInfoTestLingeredApp");
output.shouldHaveExitValue(0);
output = jinfo("-flag", "MinHeapFreeRatio", "JInfoTestLingeredApp");
output.shouldHaveExitValue(0);
documentMatch(output.getStdout(), ".*MinHeapFreeRatio=1.*MinHeapFreeRatio=1.*");
} finally {
// LingeredApp.stopApp can throw an exception
try {
JInfoTestLingeredApp.stopApp(app1);
} finally {
JInfoTestLingeredApp.stopApp(app2);
}
}
}
private static void setMultipleFlags() throws Exception {
System.out.println("#### setMultipleFlags ####");
OutputAnalyzer output = jinfo("-sysprops", "-flag", "MinHeapFreeRatio=1", "-flags", "JInfoTestLingeredApp");
output.shouldHaveExitValue(1);
}
private static void classNameMatch() throws Exception {
System.out.println("#### classNameMatch ####");
LingeredApp app1 = new JInfoTestLingeredApp();
LingeredApp app2 = new JInfoTestLingeredApp();
try {
LingeredApp.startApp(app1);
LingeredApp.startApp(app2);
OutputAnalyzer output = jinfo("JInfoTestLingeredApp");
output.shouldHaveExitValue(0);
// "Runtime Environment" written once per proc
documentMatch(output.getStdout(), ".*Runtime Environment.*Runtime Environment.*");
} finally {
// LingeredApp.stopApp can throw an exception
try {
JInfoTestLingeredApp.stopApp(app1);
} finally {
JInfoTestLingeredApp.stopApp(app2);
}
}
}
private static void documentMatch(String data, String pattern){
Matcher matcher = Pattern.compile(pattern, Pattern.DOTALL).matcher(data);
if (!matcher.find()) {
throw new RuntimeException("'" + pattern + "' missing from stdout \n");
}
}
private static OutputAnalyzer jinfo(String... toolArgs) throws Exception {
JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jinfo");
launcher.addVMArgs(Utils.getTestJavaOpts());
if (toolArgs != null) {
for (String toolArg : toolArgs) {
launcher.addToolArg(toolArg);
}
}
processBuilder.command(launcher.getCommand());
OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
return output;
}
}
// Sometime there is LingeredApp's from other test still around
class JInfoTestLingeredApp extends LingeredApp {
}
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