File: LambdaConv30.java

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/*
 * Copyright (c) 2020, 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 8229862
 * @summary Verifying lambdas anonymous classes whose supertype captures works.
 * @compile LambdaConv30.java
 * @run main LambdaConv30
 */
public class LambdaConv30 {

     public static void main(String[] args) {
        Integer a = 1;
        class Inner {
            int i;
            Inner(int i) {
                this.i = i;
            }

            public int result() {
                return a * 1000 + i;
            }
        }
        SAM s = v -> new Inner(v) { }.result();
        if (s.m(2) != 1002) {
            throw new AssertionError("Unexpected value!");
        }
     }

     interface SAM {
         int m(int v);
     }
}