9cab990401
TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData have been reimplemented using Unified logging. Co-authored-by: Ioi Lam <ioi.lam@oracle.com> Reviewed-by: iklam, coleenp, dholmes, jiangli, hseigel, rprotacio
129 lines
4.6 KiB
Java
129 lines
4.6 KiB
Java
/*
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* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test ClassLoadUnloadTest
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* @bug 8142506
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* @library /testlibrary /runtime/testlibrary
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* @library classes
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* @build ClassUnloadCommon test.Empty jdk.test.lib.* jdk.test.lib.OutputAnalyzer jdk.test.lib.ProcessTools
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* @run driver ClassLoadUnloadTest
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*/
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import jdk.test.lib.*;
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import java.lang.ref.WeakReference;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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public class ClassLoadUnloadTest {
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private static OutputAnalyzer out;
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private static ProcessBuilder pb;
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private static class ClassUnloadTestMain {
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public static void main(String... args) throws Exception {
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String className = "test.Empty";
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ClassLoader cl = ClassUnloadCommon.newClassLoader();
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Class<?> c = cl.loadClass(className);
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cl = null; c = null;
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ClassUnloadCommon.triggerUnloading();
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}
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}
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static void checkFor(String... outputStrings) throws Exception {
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out = new OutputAnalyzer(pb.start());
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for (String s: outputStrings) {
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out.shouldContain(s);
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}
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out.shouldHaveExitValue(0);
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}
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static void checkAbsent(String... outputStrings) throws Exception {
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out = new OutputAnalyzer(pb.start());
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for (String s: outputStrings) {
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out.shouldNotContain(s);
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}
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out.shouldHaveExitValue(0);
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}
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// Use the same command-line heap size setting as ../ClassUnload/UnloadTest.java
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static ProcessBuilder exec(String... args) throws Exception {
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List<String> argsList = new ArrayList<>();
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Collections.addAll(argsList, args);
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Collections.addAll(argsList, "-Xmn8m");
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Collections.addAll(argsList, "-Dtest.classes=" + System.getProperty("test.classes","."));
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Collections.addAll(argsList, ClassUnloadTestMain.class.getName());
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return ProcessTools.createJavaProcessBuilder(argsList.toArray(new String[argsList.size()]));
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}
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public static void main(String... args) throws Exception {
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// -Xlog:classunload=info
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pb = exec("-Xlog:classunload=info");
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checkFor("[classunload]", "unloading class");
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// -Xlog:classunload=off
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pb = exec("-Xlog:classunload=off");
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checkAbsent("[classunload]");
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// -XX:+TraceClassUnloading
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pb = exec("-XX:+TraceClassUnloading");
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checkFor("[classunload]", "unloading class");
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// -XX:-TraceClassUnloading
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pb = exec("-XX:-TraceClassUnloading");
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checkAbsent("[classunload]");
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// -Xlog:classload=info
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pb = exec("-Xlog:classload=info");
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checkFor("[classload]", "java.lang.Object", "source:");
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// -Xlog:classload=debug
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pb = exec("-Xlog:classload=debug");
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checkFor("[classload]", "java.lang.Object", "source:", "klass:", "super:", "loader:", "bytes:");
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// -Xlog:classload=off
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pb = exec("-Xlog:classload=off");
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checkAbsent("[classload]");
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// -XX:+TraceClassLoading
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pb = exec("-XX:+TraceClassLoading");
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checkFor("[classload]", "java.lang.Object", "source:");
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// -XX:-TraceClassLoading
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pb = exec("-XX:-TraceClassLoading");
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checkAbsent("[classload]");
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// -verbose:class
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pb = exec("-verbose:class");
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checkFor("[classload]", "java.lang.Object", "source:");
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checkFor("[classunload]", "unloading class");
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// -Xlog:classloaderdata=trace
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pb = exec("-Xlog:classloaderdata=trace");
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checkFor("[classloaderdata]", "create class loader data");
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}
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}
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