1 /* 2 * Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8026394 8251414 27 * @summary test interface resolution when clone and finalize are declared abstract within 28 * an interface and when they are not 29 * @compile InterfaceObj.jasm 30 * @run main InterfaceObjectTest 31 */ 32 interface IClone extends Cloneable { finalize()33 void finalize() throws Throwable; clone()34 Object clone(); 35 } 36 37 interface ICloneExtend extends IClone { } 38 39 public class InterfaceObjectTest implements ICloneExtend { 40 clone()41 public Object clone() { 42 System.out.println("In InterfaceObjectTest's clone() method\n"); 43 return null; 44 } 45 finalize()46 public void finalize() throws Throwable { 47 try { 48 System.out.println("In InterfaceObjectTest's finalize() method\n"); 49 } catch (Throwable t) { 50 throw new AssertionError(t); 51 } 52 } 53 tryIt(ICloneExtend o1)54 public static void tryIt(ICloneExtend o1) { 55 try { 56 Object o2 = o1.clone(); 57 o1.finalize(); 58 } catch (Throwable t) { 59 throw new AssertionError(t); 60 } 61 } 62 63 main(String[] args)64 public static void main(String[] args) throws Exception { 65 // Test with abstract public clone() and finalize() methods. 66 InterfaceObjectTest o1 = new InterfaceObjectTest(); 67 tryIt(o1); 68 69 70 // Test with reflection without abstract public clone() and finalize() methods. 71 Class cls = Class.forName("InterfaceObj"); 72 try { 73 java.lang.reflect.Method m = cls.getMethod("testFinalize"); 74 m.invoke(cls); 75 throw new RuntimeException("Failed to throw NoSuchMethodError for finalize()"); 76 } catch (java.lang.reflect.InvocationTargetException e) { 77 if (!e.getCause().toString().contains("NoSuchMethodError")) { 78 throw new RuntimeException("wrong ITE: " + e.getCause().toString()); 79 } 80 } 81 82 try { 83 java.lang.reflect.Method m = cls.getMethod("testClone"); 84 m.invoke(cls); 85 throw new RuntimeException("Failed to throw NoSuchMethodError for clone()"); 86 } catch (java.lang.reflect.InvocationTargetException e) { 87 if (!e.getCause().toString().contains("NoSuchMethodError")) { 88 throw new RuntimeException("wrong ITE: " + e.getCause().toString()); 89 } 90 } 91 92 } 93 } 94