137 lines
5.4 KiB
Java
137 lines
5.4 KiB
Java
/*
|
|
* Copyright (c) 2016, 2024, 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.
|
|
*/
|
|
|
|
|
|
/*
|
|
* @test ClassLoadUnloadTest
|
|
* @bug 8142506
|
|
* @requires vm.flagless
|
|
* @modules java.base/jdk.internal.misc
|
|
* @library /test/lib
|
|
* @library classes
|
|
* @build test.Empty
|
|
* @build jdk.test.whitebox.WhiteBox
|
|
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
|
|
* @run driver ClassLoadUnloadTest
|
|
*/
|
|
|
|
import jdk.test.lib.process.ProcessTools;
|
|
import jdk.test.lib.process.OutputAnalyzer;
|
|
import java.lang.ref.WeakReference;
|
|
import java.lang.reflect.Method;
|
|
import java.util.ArrayList;
|
|
import java.util.Collections;
|
|
import java.util.List;
|
|
|
|
import jdk.test.lib.classloader.ClassUnloadCommon;
|
|
|
|
public class ClassLoadUnloadTest {
|
|
private static class ClassUnloadTestMain {
|
|
public static void main(String... args) throws Exception {
|
|
String className = "test.Empty";
|
|
ClassLoader cl = ClassUnloadCommon.newClassLoader();
|
|
Class<?> c = cl.loadClass(className);
|
|
cl = null; c = null;
|
|
ClassUnloadCommon.triggerUnloading();
|
|
}
|
|
}
|
|
|
|
static void checkFor(OutputAnalyzer output, String... outputStrings) throws Exception {
|
|
for (String s: outputStrings) {
|
|
output.shouldContain(s);
|
|
}
|
|
}
|
|
|
|
static void checkAbsent(OutputAnalyzer output, String... outputStrings) throws Exception {
|
|
for (String s: outputStrings) {
|
|
output.shouldNotContain(s);
|
|
}
|
|
}
|
|
|
|
// Use the same command-line heap size setting as ../ClassUnload/UnloadTest.java
|
|
static OutputAnalyzer exec(String... args) throws Exception {
|
|
String classPath = System.getProperty("test.class.path", ".");
|
|
|
|
// Sub-process does not get all the properties automatically, so the test class path needs to be passed explicitly
|
|
List<String> argsList = new ArrayList<>();
|
|
Collections.addAll(argsList, args);
|
|
Collections.addAll(argsList, "-Xmn8m", "-Xbootclasspath/a:.", "-XX:+UnlockDiagnosticVMOptions",
|
|
"-XX:+WhiteBoxAPI", "-XX:+ClassUnloading", "-Dtest.class.path=" + classPath, ClassUnloadTestMain.class.getName());
|
|
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(argsList);
|
|
OutputAnalyzer output = new OutputAnalyzer(pb.start());
|
|
output.shouldHaveExitValue(0);
|
|
return output;
|
|
}
|
|
|
|
public static void main(String... args) throws Exception {
|
|
|
|
OutputAnalyzer output;
|
|
|
|
// -Xlog:class+unload=info
|
|
output = exec("-Xlog:class+unload=info");
|
|
checkFor(output, "[class,unload]", "unloading class test.Empty");
|
|
|
|
// -Xlog:class+unload=off
|
|
output = exec("-Xlog:class+unload=off");
|
|
checkAbsent(output,"[class,unload]");
|
|
|
|
// -Xlog:class+load=info
|
|
output = exec("-Xlog:class+load=info");
|
|
checkFor(output,"[class,load]", "java.lang.Object", "source:");
|
|
|
|
// -Xlog:class+load=debug
|
|
output = exec("-Xlog:class+load=debug");
|
|
checkFor(output,"[class,load]", "java.lang.Object", "source:", "klass:", "super:", "loader:", "bytes:");
|
|
|
|
// -Xlog:class+load=off
|
|
output = exec("-Xlog:class+load=off");
|
|
checkAbsent(output,"[class,load]");
|
|
|
|
// -verbose:class
|
|
output = exec("-verbose:class");
|
|
checkFor(output,"[class,load]", "java.lang.Object", "source:");
|
|
checkFor(output,"[class,unload]", "unloading class");
|
|
|
|
// -Xlog:class+loader+data=trace
|
|
output = exec("-Xlog:class+loader+data=trace");
|
|
checkFor(output, "[class,loader,data]", "create loader data");
|
|
|
|
// -Xlog:class+load+cause
|
|
output = exec("-Xlog:class+load+cause");
|
|
checkAbsent(output,"[class,load,cause]");
|
|
checkFor(output,"class load cause logging will not produce output without LogClassLoadingCauseFor");
|
|
|
|
String x = ClassUnloadTestMain.class.getName();
|
|
|
|
output = exec("-Xlog:class+load+cause", "-XX:LogClassLoadingCauseFor=" + x);
|
|
checkFor(output,"[class,load,cause]", "Java stack when loading " + x + ":");
|
|
|
|
output = exec("-Xlog:class+load+cause+native", "-XX:LogClassLoadingCauseFor=" + x);
|
|
checkFor(output,"[class,load,cause,native]", "Native stack when loading " + x + ":");
|
|
|
|
output = exec("-Xlog:class+load+cause*", "-XX:LogClassLoadingCauseFor=" + x);
|
|
checkFor(output,"[class,load,cause] Java stack when loading " + x + ":");
|
|
checkFor(output,"[class,load,cause,native] Native stack when loading " + x + ":");
|
|
}
|
|
}
|