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

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/compiler/inlining/DefaultAndConcreteMethodsCHA.java	Wed Apr 27 01:25:04 2016 +0800
     1.3 @@ -0,0 +1,58 @@
     1.4 +/*
     1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/**
    1.28 + * @test
    1.29 + * @bug 8031695
    1.30 + * @summary CHA ignores default methods during analysis leading to incorrect code generation
    1.31 + *
    1.32 + * @run main/othervm -Xbatch DefaultAndConcreteMethodsCHA
    1.33 + */
    1.34 +interface I {
    1.35 +    default int m() { return 0; }
    1.36 +}
    1.37 +
    1.38 +class A implements I {}
    1.39 +
    1.40 +class C extends A { }
    1.41 +class D extends A { public int m() { return 1; } }
    1.42 +
    1.43 +public class DefaultAndConcreteMethodsCHA {
    1.44 +    public static int test(A obj) {
    1.45 +        return obj.m();
    1.46 +    }
    1.47 +    public static void main(String[] args) {
    1.48 +        for (int i = 0; i < 10000; i++) {
    1.49 +            int idC = test(new C());
    1.50 +            if (idC != 0) {
    1.51 +                throw new Error("C.m didn't invoke I.m: id "+idC);
    1.52 +            }
    1.53 +
    1.54 +            int idD = test(new D());
    1.55 +            if (idD != 1) {
    1.56 +                throw new Error("D.m didn't invoke D.m: id "+idD);
    1.57 +            }
    1.58 +        }
    1.59 +
    1.60 +    }
    1.61 +}