michael@0: // Copyright 2009 the Sputnik authors.  All rights reserved.
michael@0: // This code is governed by the BSD license found in the LICENSE file.
michael@0: 
michael@0: /**
michael@0:  * If Type(Primitive(x)) is not String and Type(Primitive(y)) is not String, then operator x + y returns ToNumber(x) + ToNumber(y)
michael@0:  *
michael@0:  * @path ch11/11.6/11.6.1/S11.6.1_A3.1_T2.3.js
michael@0:  * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and Undefined
michael@0:  */
michael@0: 
michael@0: //CHECK#1
michael@0: if (isNaN(1 + undefined) !== true) {
michael@0:   $ERROR('#1: 1 + undefined === Not-a-Number. Actual: ' + (1 + undefined));
michael@0: }
michael@0: 
michael@0: //CHECK#2
michael@0: if (isNaN(undefined + 1) !== true) {
michael@0:   $ERROR('#2: undefined + 1 === Not-a-Number. Actual: ' + (undefined + 1));
michael@0: }
michael@0: 
michael@0: //CHECK#3
michael@0: if (isNaN(new Number(1) + undefined) !== true) {
michael@0:   $ERROR('#3: new Number(1) + undefined === Not-a-Number. Actual: ' + (new Number(1) + undefined));
michael@0: }
michael@0: 
michael@0: //CHECK#4
michael@0: if (isNaN(undefined + new Number(1)) !== true) {
michael@0:   $ERROR('#4: undefined + new Number(1) === Not-a-Number. Actual: ' + (undefined + new Number(1)));
michael@0: }
michael@0: