/*

 * Copyright (c) 2011, 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 6960211

 * @summary JavaScript engine allows creation of interface although methods not available.

 */

import javax.script.*;

public class GetInterfaceTest {

    public static void main(String[] args) throws Exception {

        ScriptEngineManager manager = new ScriptEngineManager();

        if (engine == null) {

            return;

        }

        // don't define any function.

        engine.eval("");

        Runnable runnable = ((Invocable)engine).getInterface(Runnable.class);

        if (runnable != null) {

            throw new RuntimeException("runnable is not null!");

        }

        // now define "run"

        engine.eval("function run() { println('this is run function'); }");

        runnable = ((Invocable)engine).getInterface(Runnable.class);

        // should not return null now!

        runnable.run();

        // define only one method of "Foo2"

        engine.eval("function bar() { println('bar function'); }");

        Foo2 foo2 = ((Invocable)engine).getInterface(Foo2.class);

        if (foo2 != null) {

            throw new RuntimeException("foo2 is not null!");

        }

        // now define other method of "Foo2"

        engine.eval("function bar2() { println('bar2 function'); }");

        foo2 = ((Invocable)engine).getInterface(Foo2.class);

        foo2.bar();

        foo2.bar2();

    }

    interface Foo {

        public void bar();

    }

    interface Foo2 extends Foo {

        public void bar2();

    }

}