S11.6.1_A4_T8.js (1282B)
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: | 6 The result of an addition is determined using the rules of IEEE 754 7 double-precision arithmetics 8 es5id: 11.6.1_A4_T8 9 description: > 10 If the magnitude is too large to represent, the operation 11 overflows and the result is then an infinity of appropriate sign 12 ---*/ 13 14 //CHECK#1 15 if (Number.MAX_VALUE + Number.MAX_VALUE !== Number.POSITIVE_INFINITY) { 16 throw new Test262Error('#1: Number.MAX_VALUE + Number.MAX_VALUE === Number.POSITIVE_INFINITY. Actual: ' + (Number.MAX_VALUE + Number.MAX_VALUE)); 17 } 18 19 //CHECK#2 20 if (-Number.MAX_VALUE - Number.MAX_VALUE !== Number.NEGATIVE_INFINITY) { 21 throw new Test262Error('#2: -Number.MAX_VALUE - Number.MAX_VALUE === Number.NEGATIVE_INFINITY. Actual: ' + (-Number.MAX_VALUE - Number.MAX_VALUE)); 22 } 23 24 //CHECK#3 25 if (1e+308 + 1e+308 !== Number.POSITIVE_INFINITY) { 26 throw new Test262Error('#3: 1e+308 + 1e+308 === Number.POSITIVE_INFINITY. Actual: ' + (1e+308 + 1e+308)); 27 } 28 29 //CHECK#4 30 if (-8.99e+307 - 8.99e+307 !== Number.NEGATIVE_INFINITY) { 31 throw new Test262Error('#4: -8.99e+307 - 8.99e+307 === Number.NEGATIVE_INFINITY. Actual: ' + (-8.99e+307 - 8.99e+307)); 32 } 33 34 reportCompare(0, 0);