/* * 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 8154587 * @summary Check that invokeinterface calls the right hashCode() method when * there is both a local method named hashCode() and a default method * named hashCode(). * @compile DefaultHashCode.jasm * @run main DefaultHashCode */ // The below .jasm code implements the following java code: // // public class DefaultHashCode { // // interface I2 { // default int hashCode() { // return 5; // } // } // // static class C implements I2 { // public int hashCode() { // return 4; // } // } // // static int test(I2 i) { return i.hashCode(); } // // public static void main(String[] args) { // if (test(new C()) != 4) { // throw new RuntimeException("Wrong hashCode() function called"); // } // } // } interface DefaultHashCode$I2 version 53:0 { public Method hashCode:"()I" stack 1 locals 1 { iconst_5; ireturn; } static abstract interface InnerClass I2=class DefaultHashCode$I2 of class DefaultHashCode; } // end Class DefaultHashCode$I2 super class DefaultHashCode$C implements DefaultHashCode$I2 version 53:0 { Method "":"()V" stack 1 locals 1 { aload_0; invokespecial Method java/lang/Object."":"()V"; return; } public Method hashCode:"()I" stack 1 locals 1 { iconst_4; ireturn; } static InnerClass C=class DefaultHashCode$C of class DefaultHashCode; static abstract interface InnerClass I2=class DefaultHashCode$I2 of class DefaultHashCode; } // end Class DefaultHashCode$C super public class DefaultHashCode version 53:0 { public Method "":"()V" stack 1 locals 1 { aload_0; invokespecial Method java/lang/Object."":"()V"; return; } static Method test:"(LDefaultHashCode$I2;)I" stack 1 locals 1 { aload_0; invokeinterface InterfaceMethod DefaultHashCode$I2.hashCode:"()I", 1; ireturn; } public static Method main:"([Ljava/lang/String;)V" stack 3 locals 1 { new class DefaultHashCode$C; dup; invokespecial Method DefaultHashCode$C."":"()V"; invokestatic Method test:"(LDefaultHashCode$I2;)I"; iconst_4; if_icmpeq L24; new class java/lang/RuntimeException; dup; ldc String "Wrong hashCode() function called"; invokespecial Method java/lang/RuntimeException."":"(Ljava/lang/String;)V"; athrow; L24: stack_frame_type same; return; } static InnerClass C=class DefaultHashCode$C of class DefaultHashCode; static abstract interface InnerClass I2=class DefaultHashCode$I2 of class DefaultHashCode; } // end Class DefaultHashCode