--- a/test/hotspot/jtreg/runtime/ClassUnload/UnloadInterfaceTest.java Wed Oct 31 16:27:01 2018 -0400
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,95 +0,0 @@
-/*
- * Copyright (c) 2018, 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 UnloadInterfaceTest
- * @requires vm.opt.final.ClassUnloading
- * @modules java.base/jdk.internal.misc
- * @library /runtime/testlibrary /test/lib
- * @compile test/Interface.java
- * @compile test/ImplementorClass.java
- * @build sun.hotspot.WhiteBox
- * @run driver ClassFileInstaller sun.hotspot.WhiteBox
- * sun.hotspot.WhiteBox$WhiteBoxPermission
- * @run main/othervm -Xbootclasspath/a:. -Xmn8m -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xlog:class+unload=trace UnloadInterfaceTest
- */
-import sun.hotspot.WhiteBox;
-import test.Interface;
-import java.lang.ClassLoader;
-
-/**
- * Test that verifies that class unloaded removes the implementor from its the interface that it implements
- * via logging.
- * [1.364s][info][class,unload] unloading class test.ImplementorClass 0x00000008000a2840
- * [1.366s][trace][class,unload] unlinking class (subclass): test.ImplementorClass
- * [1.366s][trace][class,unload] unlinking class (implementor): test.ImplementorClass
- */
-public class UnloadInterfaceTest {
- private static String className = "test.ImplementorClass";
- private static String interfaceName = "test.Interface";
-
- static class LoaderToUnload extends ClassLoader {
- ClassLoader myParent;
- public Class loadClass(String name) throws ClassNotFoundException {
- if (name.contains(className)) {
- System.out.println("className found " + className);
- byte[] data = ClassUnloadCommon.getClassData(name);
- return defineClass(name, data, 0, data.length);
- } else {
- return myParent.loadClass(name);
- }
- }
- public LoaderToUnload(ClassLoader parent) {
- super();
- myParent = parent;
- }
- }
-
- public static void main(String... args) throws Exception {
- run();
- }
-
- private static void run() throws Exception {
- final WhiteBox wb = WhiteBox.getWhiteBox();
-
- ClassUnloadCommon.failIf(wb.isClassAlive(className), "is not expected to be alive yet");
-
- // Load interface Class with one class loader.
- ClassLoader icl = ClassUnloadCommon.newClassLoader();
- Class<?> ic = icl.loadClass(interfaceName);
-
- ClassLoader cl = new LoaderToUnload(icl);
- Class<?> c = cl.loadClass(className);
- Object o = c.newInstance();
-
- ClassUnloadCommon.failIf(!wb.isClassAlive(className), "should be live here");
- ClassUnloadCommon.failIf(!wb.isClassAlive(interfaceName), "should be live here");
-
- cl = null; c = null; o = null;
- ClassUnloadCommon.triggerUnloading();
- ClassUnloadCommon.failIf(wb.isClassAlive(className), "should have been unloaded");
- ClassUnloadCommon.failIf(!wb.isClassAlive(interfaceName), "should be live here");
- System.out.println("We still have Interface referenced" + ic);
- }
-}
-