| /* |
| * 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. |
| * |
| */ |
| |
| import java.io.File; |
| import java.lang.module.Configuration; |
| import java.lang.module.ModuleDescriptor; |
| import java.util.List; |
| import java.util.Set; |
| import sun.hotspot.WhiteBox; |
| |
| // |
| // Test archived system module graph when open archive heap objects are mapped: |
| // |
| public class CheckArchivedModuleApp { |
| static WhiteBox wb; |
| public static void main(String args[]) throws Exception { |
| 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; |
| } |
| |
| if (args.length != 2) { |
| throw new RuntimeException( |
| "FAILED. Incorrect argument length: " + args.length); |
| } |
| |
| boolean expectArchivedDescriptors = "yes".equals(args[0]); |
| boolean expectArchivedConfiguration = "yes".equals(args[1]); |
| // -XX:+EnableJVMCI adds extra system modules, in which case the system |
| // module objects are not archived. |
| Boolean enableJVMCI = wb.getBooleanVMFlag("EnableJVMCI"); |
| if (enableJVMCI != null && enableJVMCI) { |
| expectArchivedDescriptors = false; |
| expectArchivedConfiguration = false; |
| } |
| |
| checkModuleDescriptors(expectArchivedDescriptors); |
| checkConfiguration(expectArchivedConfiguration); |
| checkEmptyConfiguration(expectArchivedConfiguration); |
| } |
| |
| private static void checkModuleDescriptors(boolean expectArchivedDescriptors) { |
| Set<Module> modules = ModuleLayer.boot().modules(); |
| for (Module m : modules) { |
| ModuleDescriptor md = m.getDescriptor(); |
| String name = md.name(); |
| if (expectArchivedDescriptors) { |
| if (wb.isShared(md)) { |
| System.out.println(name + " is archived. Expected."); |
| } else { |
| throw new RuntimeException( |
| "FAILED. " + name + " is not archived. Expect archived."); |
| } |
| } else { |
| if (!wb.isShared(md)) { |
| System.out.println(name + " is not archived. Expected."); |
| } else { |
| throw new RuntimeException( |
| "FAILED. " + name + " is archived. Expect not archived."); |
| } |
| } |
| } |
| } |
| |
| private static void checkEmptyConfiguration(boolean expectArchivedConfiguration) { |
| // Configuration.EMPTY_CONFIGURATION uses the singletons, |
| // ListN.EMPTY_LIST, SetN.EMPTY_SET and MapN.EMPTY_MAP in |
| // ImmutableCollections for the 'parents', 'modules' and |
| // 'graph' fields. The ImmutableCollections singletons |
| // can be accessed via List.of(), Set.of() and Map.of() APIs. |
| // Configuration public APIs also allow access to the |
| // EMPTY_CONFIGURATION's 'parents' and 'modules'. When the |
| // archived java heap data is enabled at runtime, make sure |
| // the EMPTY_CONFIGURATION.parents and EMPTY_CONFIGURATION.modules |
| // are the archived ImmutableCollections singletons. |
| Configuration emptyCf = Configuration.empty(); |
| List emptyCfParents = emptyCf.parents(); |
| Set emptyCfModules = emptyCf.modules(); |
| if (expectArchivedConfiguration) { |
| if (emptyCfParents == List.of() && |
| wb.isShared(emptyCfParents)) { |
| System.out.println("Empty Configuration has expected parents."); |
| } else { |
| throw new RuntimeException( |
| "FAILED. Unexpected parents for empty Configuration."); |
| } |
| if (emptyCfModules == Set.of() && |
| wb.isShared(emptyCfModules)) { |
| System.out.println("Empty Configuration has expected module set."); |
| } else { |
| throw new RuntimeException( |
| "FAILED. Unexpected module set for empty Configuration."); |
| } |
| } |
| } |
| |
| |
| |
| private static void checkConfiguration(boolean expectArchivedConfiguration) { |
| Configuration cf = ModuleLayer.boot().configuration(); |
| |
| if (expectArchivedConfiguration) { |
| if (wb.isShared(cf)) { |
| System.out.println("Boot layer configuration is archived. Expected."); |
| } else { |
| throw new RuntimeException( |
| "FAILED. Boot layer configuration is not archived."); |
| } |
| } else { |
| if (!wb.isShared(cf)) { |
| System.out.println("Boot layer configuration is not archived. Expected."); |
| } else { |
| throw new RuntimeException( |
| "FAILED. Boot layer configuration is archived."); |
| } |
| } |
| } |
| } |