duke@1: /* ohair@554: * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved. duke@1: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. duke@1: * duke@1: * This code is free software; you can redistribute it and/or modify it duke@1: * under the terms of the GNU General Public License version 2 only, as duke@1: * published by the Free Software Foundation. duke@1: * duke@1: * This code is distributed in the hope that it will be useful, but WITHOUT duke@1: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or duke@1: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License duke@1: * version 2 for more details (a copy is included in the LICENSE file that duke@1: * accompanied this code). duke@1: * duke@1: * You should have received a copy of the GNU General Public License version duke@1: * 2 along with this work; if not, write to the Free Software Foundation, duke@1: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. duke@1: * ohair@554: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA ohair@554: * or visit www.oracle.com if you need additional information or have any ohair@554: * questions. duke@1: */ duke@1: duke@1: /* duke@1: * @test duke@1: * @bug 4949303 4960369 4965756 duke@1: * @summary Additional unit tests for covariant returns duke@1: * @author gafter duke@1: * darcy@289: * @compile Covar2.java duke@1: * @run main Covar2 duke@1: */ duke@1: duke@1: public class Covar2 { duke@1: static class A1 { duke@1: public Long f() { return 12L; } duke@1: } duke@1: static class B1 extends A1 { duke@1: public Long f() { return 12L; } duke@1: } duke@1: duke@1: static class B2 { duke@1: public int f() { return 12; } duke@1: } duke@1: static class C2 extends B2 { duke@1: public int f() { return (short)12; } duke@1: } duke@1: duke@1: static class C3 extends B2 { duke@1: public int f() { return (short)12; } duke@1: } duke@1: duke@1: public static void main(String[] args) { duke@1: A1 b1 = new B1(); duke@1: System.out.println(b1.f()); duke@1: duke@1: B2 c2 = new C2(); duke@1: System.out.println(c2.f()); duke@1: duke@1: B2 c3 = new C3(); duke@1: System.out.println(c3.f()); duke@1: } duke@1: }