test/compiler/inlining/DefaultAndConcreteMethodsCHA.java

Wed, 27 Apr 2016 01:25:04 +0800

author
aoqi
date
Wed, 27 Apr 2016 01:25:04 +0800
changeset 0
f90c822e73f8
permissions
-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

     1 /*
     2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  */
    24 /**
    25  * @test
    26  * @bug 8031695
    27  * @summary CHA ignores default methods during analysis leading to incorrect code generation
    28  *
    29  * @run main/othervm -Xbatch DefaultAndConcreteMethodsCHA
    30  */
    31 interface I {
    32     default int m() { return 0; }
    33 }
    35 class A implements I {}
    37 class C extends A { }
    38 class D extends A { public int m() { return 1; } }
    40 public class DefaultAndConcreteMethodsCHA {
    41     public static int test(A obj) {
    42         return obj.m();
    43     }
    44     public static void main(String[] args) {
    45         for (int i = 0; i < 10000; i++) {
    46             int idC = test(new C());
    47             if (idC != 0) {
    48                 throw new Error("C.m didn't invoke I.m: id "+idC);
    49             }
    51             int idD = test(new D());
    52             if (idD != 1) {
    53                 throw new Error("D.m didn't invoke D.m: id "+idD);
    54             }
    55         }
    57     }
    58 }

mercurial