test/hotspot/jtreg/runtime/clone/AbstractClone.java
author hseigel
Fri, 15 Dec 2017 11:23:50 -0500
changeset 48463 474cec233fb2
permissions -rw-r--r--
8154587: Resolution fails for default method named 'clone' Summary: Make sure default methods with the same names as those in j.l.Object get put in the default methods table where resolution can find them. Reviewed-by: acorn, lfoltan

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 8154587
 * @summary Check that invokeinterface of clone() works properly where clone() is
 *          an abstract method in a superinterface and also overridden locally.
 * @run main AbstractClone
 */

public class AbstractClone {

    interface I1 {
        Object clone();
    }

    interface I2 extends I1 { }

    static class C implements I2 {
        public Object clone() {
            return "In C's clone()";
        }
    }

    static Object test(I2 i) { return i.clone(); }

    public static void main(String[] args) {
        String s = (String)test(new C());
        if (!s.equals("In C's clone()")) {
            throw new RuntimeException("Wrong clone() called");
        }
    }
}