/*

 * Copyright (c) 2019, 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.

 *

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 */

/*

 * @test

 * @bug 8234729

 * @summary Javac should eagerly change code generation for method references to avert IllegalAccessError in future.

 * @run main ProtectedInaccessibleMethodRefTest2

 */

import pack.I;

import pack.J;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.function.Function;

import java.lang.reflect.Method;

import java.util.concurrent.Callable;

public final class ProtectedInaccessibleMethodRefTest2 extends I {

    public static void main(String... args) {

        ProtectedInaccessibleMethodRefTest2 m = new ProtectedInaccessibleMethodRefTest2();

        m.test(Paths.get("test"));

        // Verify that the method reference has been folded into a lambda.

        boolean lambdaFound = false;

        for (Method meth : ProtectedInaccessibleMethodRefTest2.class.getDeclaredMethods()) {

            if (meth.getName().equals("lambda$test$0")) {

                lambdaFound = true;

                break;

            }

        }

        if (!lambdaFound) {

            throw new AssertionError("Did not find evidence of new code generation");

        }

    }

    void test(Path outputDir) {

        Sub c = new Sub(this::readFile);

        c.check(outputDir);

    }

    public class Sub extends J {

        Sub(Function<Path,String> fileReader) {

            super(fileReader);

        }

    }

}