/* * Copyright (c) 2012, 2014, 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 6894807 * @summary No ClassCastException for HashAttributeSet constructors if run with -Xcomp * * @run main compiler.c2.IsInstanceTest */ package compiler.c2; public class IsInstanceTest { public static void main(String[] args) { BaseInterface baseInterfaceImpl = new BaseInterfaceImpl(); for (int i = 0; i < 100000; i++) { if (isInstanceOf(baseInterfaceImpl, ExtendedInterface.class)) { throw new AssertionError("Failed at index:" + i); } } System.out.println("Done!"); } public static boolean isInstanceOf(BaseInterface baseInterfaceImpl, Class... baseInterfaceClasses) { for (Class baseInterfaceClass : baseInterfaceClasses) { if (baseInterfaceClass.isInstance(baseInterfaceImpl)) { return true; } } return false; } private interface BaseInterface { } private interface ExtendedInterface extends BaseInterface { } private static class BaseInterfaceImpl implements BaseInterface { } }