/* * Copyright (c) 2013, 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. * * 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 8026394 8251414 * @summary test interface resolution when clone and finalize are declared abstract within * an interface and when they are not * @compile InterfaceObj.jasm * @run main InterfaceObjectTest */ interface IClone extends Cloneable { void finalize() throws Throwable; Object clone(); } interface ICloneExtend extends IClone { } public class InterfaceObjectTest implements ICloneExtend { public Object clone() { System.out.println("In InterfaceObjectTest's clone() method\n"); return null; } public void finalize() throws Throwable { try { System.out.println("In InterfaceObjectTest's finalize() method\n"); } catch (Throwable t) { throw new AssertionError(t); } } public static void tryIt(ICloneExtend o1) { try { Object o2 = o1.clone(); o1.finalize(); } catch (Throwable t) { throw new AssertionError(t); } } public static void main(String[] args) throws Exception { // Test with abstract public clone() and finalize() methods. InterfaceObjectTest o1 = new InterfaceObjectTest(); tryIt(o1); // Test with reflection without abstract public clone() and finalize() methods. Class cls = Class.forName("InterfaceObj"); try { java.lang.reflect.Method m = cls.getMethod("testFinalize"); m.invoke(cls); throw new RuntimeException("Failed to throw NoSuchMethodError for finalize()"); } catch (java.lang.reflect.InvocationTargetException e) { if (!e.getCause().toString().contains("NoSuchMethodError")) { throw new RuntimeException("wrong ITE: " + e.getCause().toString()); } } try { java.lang.reflect.Method m = cls.getMethod("testClone"); m.invoke(cls); throw new RuntimeException("Failed to throw NoSuchMethodError for clone()"); } catch (java.lang.reflect.InvocationTargetException e) { if (!e.getCause().toString().contains("NoSuchMethodError")) { throw new RuntimeException("wrong ITE: " + e.getCause().toString()); } } } }