--- /dev/null 2017-08-03 13:42:08.516000218 -0400 +++ new/test/hotspot/jtreg/runtime/LoaderConstraints/vtableAME/Test.java 2017-09-26 15:00:33.631309779 -0400 @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2017, 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 + * @bug 8186092 + * @compile ../common/Foo.java + * ../common/J.java + * I.java + * ../common/C.jasm + * Task.java + * ../common/PreemptingClassLoader.java + * @run main/othervm Test + */ + +import java.io.PrintStream; +import java.lang.reflect.*; + +public class Test { + + // Test that LinkageError exceptions are not thrown during vtable creation, + // for loader constraint errors, if the target method is an overpass method. + // + // In this test, during vtable creation for class Task, the target method + // "Task.m()LFoo;" is an overpass method (that throws an AME). So, even + // though it is inheritting the method from its super class C, and Task has + // a different class Foo than C, no LinkageError exception should be thrown + // because the loader constraint check that would cause the LinkageError + // should not be done. + public static void main(String args[]) throws Exception { + Class c = Foo.class; // forces standard class loader to load Foo + ClassLoader l = new PreemptingClassLoader("Task", "Foo", "I", "J"); + l.loadClass("Foo"); + l.loadClass("Task").newInstance(); + Task t = new Task(); + try { + t.m(); // Should get AME + throw new RuntimeException("Missing AbstractMethodError exception"); + } catch (AbstractMethodError e) { + if (!e.getMessage().contains("Method Task.m()LFoo; is abstract")) { + throw new RuntimeException("Wrong AME exception thrown: " + e.getMessage()); + } + } + } + +}