test/hotspot/jtreg/runtime/clone/DefaultHashCode.jasm

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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 * questions.
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 */

/*
 * @test
 * @bug 8154587
 * @summary Check that invokeinterface calls the right hashCode() method when
 *          there is both a local method named hashCode() and a default method
 *          named hashCode().
 * @compile DefaultHashCode.jasm
 * @run main DefaultHashCode
 */

// The below .jasm code implements the following java code:
//
// public class DefaultHashCode {
//
//     interface I2 {
//         default int hashCode() {
//             return 5;
//         }
//     }
//
//     static class C implements I2 {
//         public int hashCode() {
//             return 4;
//         }
//     }
//
//     static int test(I2 i) { return i.hashCode(); }
//
//     public static void main(String[] args) {
//         if (test(new C()) != 4) {
//             throw new RuntimeException("Wrong hashCode() function called");
//         }
//     }
// }


interface  DefaultHashCode$I2 version 53:0 {

    public Method hashCode:"()I" stack 1 locals 1 {
        iconst_5;
        ireturn;
    }

    static abstract interface InnerClass I2=class DefaultHashCode$I2 of class DefaultHashCode;

} // end Class DefaultHashCode$I2


super class DefaultHashCode$C implements DefaultHashCode$I2 version 53:0 {

    Method "<init>":"()V" stack 1 locals 1 {
        aload_0;
        invokespecial    Method java/lang/Object."<init>":"()V";
        return;
    }

    public Method hashCode:"()I" stack 1 locals 1 {
        iconst_4;
        ireturn;
    }

    static InnerClass C=class DefaultHashCode$C of class DefaultHashCode;
    static abstract interface InnerClass I2=class DefaultHashCode$I2 of class DefaultHashCode;

} // end Class DefaultHashCode$C


super public class DefaultHashCode version 53:0 {

    public Method "<init>":"()V" stack 1 locals 1 {
        aload_0;
        invokespecial    Method java/lang/Object."<init>":"()V";
        return;
    }

    static Method test:"(LDefaultHashCode$I2;)I" stack 1 locals 1 {
        aload_0;
        invokeinterface InterfaceMethod DefaultHashCode$I2.hashCode:"()I",  1;
        ireturn;
    }

    public static Method main:"([Ljava/lang/String;)V" stack 3 locals 1 {
        new    class DefaultHashCode$C;
        dup;
        invokespecial    Method DefaultHashCode$C."<init>":"()V";
        invokestatic    Method test:"(LDefaultHashCode$I2;)I";
        iconst_4;
        if_icmpeq    L24;
        new    class java/lang/RuntimeException;
        dup;
        ldc    String "Wrong hashCode() function called";
        invokespecial    Method java/lang/RuntimeException."<init>":"(Ljava/lang/String;)V";
        athrow;
      L24:    stack_frame_type same;
        return;
    }

    static InnerClass C=class DefaultHashCode$C of class DefaultHashCode;
    static abstract interface InnerClass I2=class DefaultHashCode$I2 of class DefaultHashCode;

} // end Class DefaultHashCode