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test/script/basic/addition.js@4112748288bb (annotated)

test/script/basic/addition.js

Thu, 12 Oct 2017 19:52:15 +0800

author

aoqi

date

Thu, 12 Oct 2017 19:52:15 +0800

changeset 1205

4112748288bb

parent 962

ac62e33a99b0

parent 952

6d5471a497fb

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@962	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
attila@962	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
attila@962	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@962	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/**
aoqi@0	25	* Checks for binary addition operator.
aoqi@0	26	*
aoqi@0	27	* @test
aoqi@0	28	* @run
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	// number addition
aoqi@0	32	var x = Math.PI + Math.E;
aoqi@0	33	print(typeof(x));
aoqi@0	34	print(x);
aoqi@0	35
aoqi@0	36	// string concatenation
aoqi@0	37	x = "hello, " + "world";
aoqi@0	38	print(typeof(x));
aoqi@0	39	print(x);
aoqi@0	40
aoqi@0	41	// string + number
aoqi@0	42	x = "E is " + Math.E;
aoqi@0	43	print(typeof(x));
aoqi@0	44	print(x);
aoqi@0	45
aoqi@0	46	// number + string
aoqi@0	47	x = Math.PI + " is PI";
aoqi@0	48	print(typeof(x));
aoqi@0	49	print(x);
aoqi@0	50
aoqi@0	51	// number + undefined
aoqi@0	52	x = Math.E + undefined;
aoqi@0	53	print(typeof(x));
aoqi@0	54	print(x);
aoqi@0	55
aoqi@0	56	x = undefined + Math.PI;
aoqi@0	57	print(typeof(x));
aoqi@0	58	print(x);
aoqi@0	59
aoqi@0	60	// object with "valueOf" method added to number
aoqi@0	61	var obj = {
aoqi@0	62	valueOf: function() { return 44.55; }
aoqi@0	63	};
aoqi@0	64
aoqi@0	65	x = 45.66 + obj;
aoqi@0	66	print(typeof(x));
aoqi@0	67	print(x);
aoqi@0	68
aoqi@0	69	x = obj + 3.14;
aoqi@0	70	print(typeof(x));
aoqi@0	71	print(x);
aoqi@0	72
aoqi@0	73	// object with "toString" method added to number
aoqi@0	74	var obj2 = {
aoqi@0	75	toString: function() { return "obj2.toString"; }
aoqi@0	76	};
aoqi@0	77
aoqi@0	78	x = "hello, " + obj2;
aoqi@0	79	print(typeof(x));
aoqi@0	80	print(x);
aoqi@0	81
aoqi@0	82	x = obj2 + " hello";
aoqi@0	83	print(typeof(x));
aoqi@0	84	print(x);