60 lines
2.5 KiB
Java
60 lines
2.5 KiB
Java
/*
|
|
* 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
|
|
* @requires !vm.graal.enabled
|
|
* @modules jdk.attach
|
|
* @run main/othervm --limit-modules jdk.attach -Djdk.attach.allowAttachSelf
|
|
* GetPackageBootLoaderChildLayer
|
|
* @summary Exercise Class.getPackage on a class defined to the boot loader
|
|
* but in a module that is in a child layer rather than the boot layer
|
|
*/
|
|
|
|
import com.sun.tools.attach.VirtualMachine;
|
|
|
|
public class GetPackageBootLoaderChildLayer {
|
|
public static void main(String[] args) throws Exception {
|
|
// ensure that the java.management module is not in the boot layer
|
|
ModuleLayer.boot().findModule("java.management").ifPresent(m -> {
|
|
throw new RuntimeException("java.management loaded!!!");
|
|
});
|
|
|
|
// start local JMX agent via the attach mechanism
|
|
String vmid = "" + ProcessHandle.current().pid();
|
|
VirtualMachine vm = VirtualMachine.attach(vmid);
|
|
vm.startLocalManagementAgent();
|
|
|
|
// check layer, class loader, and Package object
|
|
Class<?> clazz = Class.forName("javax.management.MXBean");
|
|
if (clazz.getModule().getLayer() == ModuleLayer.boot())
|
|
throw new RuntimeException("Module is in boot layer!!!");
|
|
ClassLoader loader = clazz.getClassLoader();
|
|
if (loader != null)
|
|
throw new RuntimeException("Unexpected class loader: " + loader);
|
|
Package p = clazz.getPackage();
|
|
if (!p.getName().equals("javax.management"))
|
|
throw new RuntimeException("Unexpected package " + p);
|
|
}
|
|
}
|