/*

 * Copyright (c) 2010, 2013, 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.

 */

/**

 * Checks for binary addition operator.

 *

 * @test

 * @run

 */

// number addition

var x = Math.PI + Math.E;

print(typeof(x));

print(x);

// string concatenation

x = "hello, " + "world";

print(typeof(x));

print(x);

// string + number

x = "E is " + Math.E;

print(typeof(x));

print(x);

// number + string

x = Math.PI + " is PI";

print(typeof(x));

print(x);

// number + undefined

x = Math.E + undefined;

print(typeof(x));

print(x);

x = undefined + Math.PI;

print(typeof(x));

print(x);

// object with "valueOf" method added to number

var obj = {

    valueOf: function() { return 44.55; }

};

x = 45.66 + obj;

print(typeof(x));

print(x);

x = obj + 3.14;

print(typeof(x));

print(x);

// object with "toString" method added to number

var obj2 = {

    toString: function() { return "obj2.toString"; }

};

x = "hello, " + obj2;

print(typeof(x));

print(x);

x = obj2 + " hello";

print(typeof(x));

print(x);