| /* |
| * Copyright (c) 2020, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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 8216324 |
| * @summary GetClassMethods is confused by the presence of default methods in super interfaces |
| * @library /test/lib |
| * @compile OverpassMethods.java |
| * @run main/othervm/native -agentlib:OverpassMethods OverpassMethods |
| * @run main/othervm/native -agentlib:OverpassMethods=maintain_original_method_order OverpassMethods |
| */ |
| |
| import java.lang.reflect.Method; |
| import java.util.Arrays; |
| |
| public class OverpassMethods { |
| |
| static { |
| try { |
| System.loadLibrary("OverpassMethods"); |
| } catch (UnsatisfiedLinkError ex) { |
| System.err.println("Could not load OverpassMethods library"); |
| System.err.println("java.library.path:" + System.getProperty("java.library.path")); |
| throw ex; |
| } |
| } |
| |
| static private void log(Object msg) { |
| System.out.println(String.valueOf(msg)); |
| } |
| |
| static private native Method[] getJVMTIDeclaredMethods(Class<?> klass); |
| |
| public interface Parent { |
| default String def() { return "Parent.def"; } |
| String method0(); |
| String method1(); |
| } |
| |
| public interface Child extends Parent { |
| String method2(); |
| } |
| |
| public static class Impl implements Child { |
| public String method0() { return "Impl.method0"; } |
| public String method1() { return "Impl.method1"; } |
| public String method2() { return "Impl.method2"; } |
| } |
| |
| public static void main(String[] args) { |
| new Impl(); // To get classes initialized |
| |
| Method[] reflectMethods = Child.class.getDeclaredMethods(); |
| Method[] jvmtiMethods = getJVMTIDeclaredMethods(Child.class); |
| |
| if (jvmtiMethods == null) { |
| throw new RuntimeException("getJVMTIDeclaredMethods failed"); |
| } |
| |
| log("Reflection getDeclaredMethods returned: " + Arrays.toString(reflectMethods)); |
| log("JVMTI GetClassMethods returned: " + Arrays.toString(jvmtiMethods)); |
| |
| if (reflectMethods.length != jvmtiMethods.length) { |
| throw new RuntimeException("OverpassMethods failed: Unexpected method count from JVMTI GetClassMethods!"); |
| } |
| if (!reflectMethods[0].equals(jvmtiMethods[0])) { |
| throw new RuntimeException("OverpassMethods failed: Unexpected method from JVMTI GetClassMethods!"); |
| } |
| log("Test passed: Got expected output from JVMTI GetClassMethods!"); |
| } |
| } |