Mercurial > jdk8-mips64-public > langtools / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/generics/Covar2.java	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,63 @@
     1.4 +/*
     1.5 + * Copyright 2003-2004 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug 4949303 4960369 4965756
    1.30 + * @summary Additional unit tests for covariant returns
    1.31 + * @author gafter
    1.32 + *
    1.33 + * @compile -source 1.5 Covar2.java
    1.34 + * @run main Covar2
    1.35 + */
    1.36 +
    1.37 +public class Covar2 {
    1.38 +    static class A1 {
    1.39 +        public Long f() { return 12L; }
    1.40 +    }
    1.41 +    static class B1 extends A1 {
    1.42 +        public Long f() { return 12L; }
    1.43 +    }
    1.44 +
    1.45 +    static class B2 {
    1.46 +        public int f() { return 12; }
    1.47 +    }
    1.48 +    static class C2 extends B2 {
    1.49 +        public int f() { return (short)12; }
    1.50 +    }
    1.51 +
    1.52 +    static class C3 extends B2 {
    1.53 +        public int f() { return (short)12; }
    1.54 +    }
    1.55 +
    1.56 +    public static void main(String[] args) {
    1.57 +        A1 b1 = new B1();
    1.58 +        System.out.println(b1.f());
    1.59 +
    1.60 +        B2 c2 = new C2();
    1.61 +        System.out.println(c2.f());
    1.62 +
    1.63 +        B2 c3 = new C3();
    1.64 +        System.out.println(c3.f());
    1.65 +    }
    1.66 +}