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:  * Operator x - y returns ToNumber(x) - ToNumber(y)
michael@0:  *
michael@0:  * @path ch11/11.6/11.6.2/S11.6.2_A3_T2.6.js
michael@0:  * @description Type(x) is different from Type(y) and both types vary between String (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 String("1") - undefined) !== true) {
michael@0:   $ERROR('#3: new String("1") - undefined === Not-a-Number. Actual: ' + (new String("1") - undefined));
michael@0: }
michael@0: 
michael@0: //CHECK#4
michael@0: if (isNaN(undefined - new String("1")) !== true) {
michael@0:   $ERROR('#4: undefined - new String("1") === Not-a-Number. Actual: ' + (undefined - new String("1")));
michael@0: }
michael@0: