S11.6.2_A4_T2.js (759B)
1 // Copyright 2009 the Sputnik authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 info: Operator x - y produces the same result as x + (-y) 6 es5id: 11.6.2_A4_T2 7 description: > 8 The difference of two infinities of opposite sign is the infinity 9 of minuend sign 10 ---*/ 11 12 //CHECK#1 13 if (Number.POSITIVE_INFINITY - Number.NEGATIVE_INFINITY !== Number.POSITIVE_INFINITY ) { 14 throw new Test262Error('#1: Infinity - -Infinity === Infinity. Actual: ' + (Infinity - -Infinity)); 15 } 16 17 //CHECK#2 18 if (Number.NEGATIVE_INFINITY - Number.POSITIVE_INFINITY !== Number.NEGATIVE_INFINITY ) { 19 throw new Test262Error('#2: -Infinity - Infinity === -Infinity. Actual: ' + (-Infinity - Infinity)); 20 } 21 22 reportCompare(0, 0);