jdk/test/java/lang/invoke/lambda/LambdaConstructorMethodHandleUnbox.java
author rfield
Tue, 03 Sep 2013 21:42:56 -0700
changeset 19804 83170920c07b
parent 18556 0fe397a41c18
permissions -rw-r--r--
8008688: Make MethodHandleInfo public Summary: A major overhaul to MethodHandleInfo and method handles in general. Reviewed-by: vlivanov, twisti Contributed-by: john.r.rose@oracle.com

/*
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
 * 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 8016761
 * @summary Lambda metafactory: incorrect type conversion of constructor method handle
 */

public class LambdaConstructorMethodHandleUnbox {
    interface IntFunction<X> {
        int m(X x);
    }

    public static void main(String[] args) {
       IntFunction<String> s = Integer::new;
       if (s.m("2000") + s.m("13") != 2013) {
           throw new RuntimeException("Lambda conversion failure");
       }
    }
}