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 produces the same result as x + (-y)
michael@0:  *
michael@0:  * @path ch11/11.6/11.6.2/S11.6.2_A4_T2.js
michael@0:  * @description The difference of two infinities of opposite sign is the infinity of minuend sign
michael@0:  */
michael@0: 
michael@0: //CHECK#1
michael@0: if (Number.POSITIVE_INFINITY - Number.NEGATIVE_INFINITY !== Number.POSITIVE_INFINITY ) {
michael@0:   $ERROR('#1: Infinity - -Infinity === Infinity. Actual: ' + (Infinity - -Infinity));
michael@0: }
michael@0: 
michael@0: //CHECK#2
michael@0: if (Number.NEGATIVE_INFINITY - Number.POSITIVE_INFINITY !== Number.NEGATIVE_INFINITY ) {
michael@0:   $ERROR('#2: -Infinity - Infinity === -Infinity. Actual: ' + (-Infinity - Infinity));
michael@0: }
michael@0: 
michael@0: 
michael@0: 
michael@0: