/*

 * Copyright (c) 2014 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.

 */

/**

 * JDK-8051778: support bind on all Nashorn callables

 *

 * @test

 * @run

 */

var bind = Function.prototype.bind;

// Bind a POJO method

var l = new java.util.ArrayList();

var l_add_foo = bind.call(l.add, l, "foo");

l_add_foo();

print("l=" + l);

// Bind a BoundCallable

var l_add = bind.call(l.add, l);

var l_add_foo2 = bind.call(l_add, null, "foo2");

l_add_foo2();

print("l=" + l);

// Bind a POJO method retrieved from one instance to a different but 

// compatible instance.

var l2 = new java.util.ArrayList();

var l2_size = bind.call(l.size, l2);

print("l2_size()=" + l2_size());

// Bind a Java type object (used as a constructor).

var construct_two = bind.call(java.lang.Integer, null, 2);

print("Bound Integer(2) constructor: " + new construct_two())

// Bind a @FunctionalInterface proxying to an object literal. NOTE: the 

// expected value of this.a is always "original" and never "bound". This

// might seem counterintuitive, but we are not binding the apply()

// function of the object literal that defines the BiFunction behaviour,

// we are binding the SAM proxy object instead, and it is always

// forwarding to the apply() function with "this" set to the object

// literal. Basically, binding "this" for SAM proxies is useless; only

// binding arguments makes sense.

var f1 = new java.util.function.BiFunction() {

    apply: function(x, y) {

        return "BiFunction with literal: " + this.a + ", " + x + ", " + y;

    },

    a: "unbound"

};

print((bind.call(f1, {a: "bound"}))(1, 2))

print((bind.call(f1, {a: "bound"}, 3))(4))

print((bind.call(f1, {a: "bound"}, 5, 6))())

// Bind a @FunctionalInterface proxying to a function. With the same 

// reasoning as above (binding the proxy vs. binding the JS function), 

// the value of this.a will always be undefined, and never "bound".

var f2 = new java.util.function.BiFunction(

    function(x, y) {

        return "BiFunction with function: " + this.a + ", " + x + ", " + y;

    }

);

print((bind.call(f2, {a: "bound"}))(7, 8))

print((bind.call(f2, {a: "bound"}, 9))(10))

print((bind.call(f2, {a: "bound"}, 11, 12))())