test/langtools/tools/javac/lambda/InnerInstanceCreationTest.java

/*
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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.
 */

/**
 * @test
 * @bug 8182401 8178444
 * @summary Verification error for enclosing instance capture inside super constructor invocation
 * @run main InnerInstanceCreationTest
 */

import java.util.function.Supplier;

public class InnerInstanceCreationTest {

    static String cookie = "";

    public static void main(String[] args) {
        new InnerInstanceCreationTest().new Producer();
        new InnerInstanceCreationTest().new Producer(0);
        new InnerInstanceCreationTest().new Producer("");
        if (!cookie.equals("BlahBlahBlah"))
            throw new AssertionError("Unexpected cookie");
    }

    class Inner {
        Inner() {
            cookie += "Blah";
        }
    }

    class Producer {
        Producer() {
            this(Inner::new);
        }
        Producer(int x) {
            this(() -> new Inner());
        }
        Producer(String s) {
            this(() -> InnerInstanceCreationTest.this.new Inner());
        }
        Producer(Supplier<Object> supplier) {
            supplier.get();
        }
    }
}