test/hotspot/jtreg/runtime/cds/appcds/cacheObject/CheckCachedResolvedReferencesApp.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/cds/appcds/cacheObject/CheckCachedResolvedReferencesApp.java Mon Jul 29 10:34:20 2019 -0400
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2017, 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 CheckCachedResolvedReferencesApp {
+ public static void main(String args[]) throws Exception {
+ String path = args[0];
+ URL url = new File(path).toURI().toURL();
+ URL[] urls = new URL[] {url};
+
+ URLClassLoader loader = new URLClassLoader(urls);
+ Class hello = loader.loadClass("Hello");
+ System.out.println("Loaded " + hello + " from " + url + " using loader " + loader);
+
+ WhiteBox wb = WhiteBox.getWhiteBox();
+
+ if (!wb.areOpenArchiveHeapObjectsMapped()) {
+ System.out.println("Archived open_archive_heap objects are not mapped.");
+ System.out.println("This may happen during normal operation. Test Skipped.");
+ return;
+ }
+
+ // CheckCachedResolvedReferencesApp is shared class and loaded by the
+ // AppClassLoader. It should have cached resolved_references.
+ if (wb.isSharedClass(CheckCachedResolvedReferencesApp.class)) {
+ Object refs1 = wb.getResolvedReferences(CheckCachedResolvedReferencesApp.class);
+ if (refs1 != null && wb.isShared(refs1)) {
+ System.out.println(
+ "resolved references from CheckCachedResolvedReferencesApp is cached");
+ } else {
+ throw new RuntimeException(
+ "FAILED. CheckCachedResolvedReferencesApp has no cached resolved references");
+ }
+ }
+
+ // Hello is shared class and loaded by the 'loader' defined in current app.
+ // It should not have cached resolved_references.
+ if (wb.isSharedClass(hello)) {
+ Object refs2 = wb.getResolvedReferences(hello);
+ if (refs2 != null) {
+ if (!wb.isShared(refs2)) {
+ System.out.println("resolved references from hello is not cached");
+ } else {
+ throw new RuntimeException(
+ "FAILED. Hello has unexpected cached resolved references");
+ }
+ } else {
+ throw new RuntimeException("FAILED. Hello has no resolved references");
+ }
+ }
+ }
+}