test/hotspot/jtreg/runtime/appcds/customLoader/test-classes/HelloUnload.java
branchJDK-8200758-branch
changeset 57588 dac8f245de8e
parent 57587 16c4975e9e09
parent 57586 f459f98aa30d
child 57591 6805e0ef7453
--- a/test/hotspot/jtreg/runtime/appcds/customLoader/test-classes/HelloUnload.java	Mon Jul 29 18:31:18 2019 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,106 +0,0 @@
-/*
- * Copyright (c) 2019, 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.io.File;
-import java.net.URL;
-import java.net.URLClassLoader;
-import sun.hotspot.WhiteBox;
-
-public class HelloUnload {
-    private static String className = "CustomLoadee";
-
-    public static void main(String args[]) throws Exception {
-        if (args.length != 3) {
-            throw new RuntimeException("Unexpected number of arguments: expected 3, actual " + args.length);
-        }
-
-        String path = args[0];
-        URL url = new File(path).toURI().toURL();
-        URL[] urls = new URL[] {url};
-        System.out.println(path);
-        System.out.println(url);
-
-        // unload the custom class loader
-        boolean doUnload = false;
-        if (args[1].equals("true")) {
-            doUnload = true;
-        } else if (args[1].equals("false")) {
-            doUnload = false;
-        } else {
-            throw new RuntimeException("args[1] can only be either \"true\" or \"false\", actual " + args[1]);
-        }
-
-        // should the CustomLoadee class be in the shared archive
-        boolean inArchive = false;
-        if (args[2].equals("true")) {
-            inArchive = true;
-        } else if (args[2].equals("false")) {
-            inArchive = false;
-        } else {
-            throw new RuntimeException("args[2] can only be either \"true\" or \"false\", actual " + args[1]);
-        }
-
-        URLClassLoader urlClassLoader =
-            new URLClassLoader("HelloClassLoader", urls, null);
-        Class c = Class.forName(className, true, urlClassLoader);
-        System.out.println(c);
-        System.out.println(c.getClassLoader());
-        Object o = c.newInstance();
-
-        // [1] Check that CustomLoadee is defined by the correct loader
-        if (c.getClassLoader() != urlClassLoader) {
-            throw new RuntimeException("c.getClassLoader() == " + c.getClassLoader() +
-                                       ", expected == " + urlClassLoader);
-        }
-
-        // [2] Check that CustomLoadee is loaded from shared archive.
-        WhiteBox wb = WhiteBox.getWhiteBox();
-        if(wb.isSharedClass(HelloUnload.class)) {
-            if (inArchive && !wb.isSharedClass(c)) {
-                throw new RuntimeException("wb.isSharedClass(c) should be true");
-            }
-        }
-
-        ClassUnloadCommon.failIf(!wb.isClassAlive(className), "should be live here");
-
-        if (doUnload) {
-            String loaderName = urlClassLoader.getName();
-            int loadedRefcount = wb.getSymbolRefcount(loaderName);
-            System.out.println("Refcount of symbol " + loaderName + " is " + loadedRefcount);
-
-            urlClassLoader = null; c = null; o = null;
-            ClassUnloadCommon.triggerUnloading();
-            System.out.println("Is CustomLoadee alive? " + wb.isClassAlive(className));
-            ClassUnloadCommon.failIf(wb.isClassAlive(className), "should have been unloaded");
-
-            int unloadedRefcount = wb.getSymbolRefcount(loaderName);
-            System.out.println("Refcount of symbol " + loaderName + " is " + unloadedRefcount);
-
-            // refcount of a permanent symbol will not be decremented
-            if (loadedRefcount != 65535) {
-                ClassUnloadCommon.failIf(unloadedRefcount != (loadedRefcount - 1), "Refcount must be decremented");
-            }
-        }
-    }
-}