94 lines
3.4 KiB
Java
94 lines
3.4 KiB
Java
/*
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* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8216324
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* @summary GetClassMethods is confused by the presence of default methods in super interfaces
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* @requires vm.jvmti
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* @library /test/lib
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* @compile OverpassMethods.java
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* @run main/othervm/native -agentlib:OverpassMethods OverpassMethods
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* @run main/othervm/native -agentlib:OverpassMethods=maintain_original_method_order OverpassMethods
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*/
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import java.lang.reflect.Method;
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import java.util.Arrays;
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public class OverpassMethods {
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static {
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try {
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System.loadLibrary("OverpassMethods");
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} catch (UnsatisfiedLinkError ex) {
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System.err.println("Could not load OverpassMethods library");
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System.err.println("java.library.path:" + System.getProperty("java.library.path"));
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throw ex;
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}
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}
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static private void log(Object msg) {
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System.out.println(String.valueOf(msg));
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}
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static private native Method[] getJVMTIDeclaredMethods(Class<?> klass);
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public interface Parent {
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default String def() { return "Parent.def"; }
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String method0();
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String method1();
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}
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public interface Child extends Parent {
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String method2();
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}
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public static class Impl implements Child {
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public String method0() { return "Impl.method0"; }
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public String method1() { return "Impl.method1"; }
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public String method2() { return "Impl.method2"; }
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}
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public static void main(String[] args) {
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new Impl(); // To get classes initialized
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Method[] reflectMethods = Child.class.getDeclaredMethods();
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Method[] jvmtiMethods = getJVMTIDeclaredMethods(Child.class);
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if (jvmtiMethods == null) {
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throw new RuntimeException("getJVMTIDeclaredMethods failed");
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}
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log("Reflection getDeclaredMethods returned: " + Arrays.toString(reflectMethods));
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log("JVMTI GetClassMethods returned: " + Arrays.toString(jvmtiMethods));
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if (reflectMethods.length != jvmtiMethods.length) {
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throw new RuntimeException("OverpassMethods failed: Unexpected method count from JVMTI GetClassMethods!");
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}
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if (!reflectMethods[0].equals(jvmtiMethods[0])) {
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throw new RuntimeException("OverpassMethods failed: Unexpected method from JVMTI GetClassMethods!");
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}
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log("Test passed: Got expected output from JVMTI GetClassMethods!");
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}
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}
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