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

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/runtime/RedefineTests/RedefineInterfaceCall.java	Fri Sep 29 14:30:05 2017 -0400
     1.3 @@ -0,0 +1,83 @@
     1.4 +/*
     1.5 + * Copyright (c) 2017, 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 8174962
    1.30 + * @summary Redefine class with interface method call
    1.31 + * @library /testlibrary /test/lib
    1.32 + * @modules java.base/jdk.internal.misc
    1.33 + * @modules java.compiler
    1.34 + *          java.instrument
    1.35 + *          jdk.jartool/sun.tools.jar
    1.36 + * @run main RedefineClassHelper
    1.37 + * @run main/othervm -javaagent:redefineagent.jar RedefineInterfaceCall
    1.38 + */
    1.39 +
    1.40 +import static jdk.testlibrary.Asserts.assertEquals;
    1.41 +
    1.42 +interface I1 { default int m() { return 0; } }
    1.43 +interface I2 extends I1 {}
    1.44 +
    1.45 +public class RedefineInterfaceCall {
    1.46 +
    1.47 +    public static class C implements I2 {
    1.48 +        public int test(I2 i) {
    1.49 +            return i.m(); // invokeinterface cpCacheEntry
    1.50 +        }
    1.51 +    }
    1.52 +
    1.53 +    static String newI1 =
    1.54 +      "interface I1 { default int m() { return 1; } }";
    1.55 +
    1.56 +    static String newC =
    1.57 +        "public class RedefineInterfaceCall$C implements I2 { " +
    1.58 +        "  public int test(I2 i) { " +
    1.59 +        "    return i.m(); " +
    1.60 +        "  } " +
    1.61 +        "} ";
    1.62 +
    1.63 +    static int test(I2 i) {
    1.64 +        return i.m(); // invokeinterface cpCacheEntry
    1.65 +    }
    1.66 +
    1.67 +    public static void main(String[] args) throws Exception {
    1.68 +        C c = new C();
    1.69 +
    1.70 +        assertEquals(test(c),   0);
    1.71 +        assertEquals(c.test(c), 0);
    1.72 +
    1.73 +        RedefineClassHelper.redefineClass(C.class, newC);
    1.74 +
    1.75 +        assertEquals(c.test(c), 0);
    1.76 +
    1.77 +        RedefineClassHelper.redefineClass(I1.class, newI1);
    1.78 +
    1.79 +        assertEquals(test(c),   1);
    1.80 +        assertEquals(c.test(c), 1);
    1.81 +
    1.82 +        RedefineClassHelper.redefineClass(C.class, newC);
    1.83 +
    1.84 +        assertEquals(c.test(c), 1);
    1.85 +    }
    1.86 +}