| // Copyright 2009 the Sputnik authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /** |
| * The result of an addition is determined using the rules of IEEE 754 double-precision arithmetics |
| * |
| * @path ch11/11.6/11.6.1/S11.6.1_A4_T1.js |
| * @description If either operand is NaN, the result is NaN |
| */ |
| |
| //CHECK#1 |
| if (isNaN(Number.NaN + 1) !== true ) { |
| $ERROR('#1: NaN + 1 === Not-a-Number. Actual: ' + (NaN + 1)); |
| } |
| |
| //CHECK#2 |
| if (isNaN(1 + Number.NaN) !== true ) { |
| $ERROR('#2: 1 + NaN === Not-a-Number. Actual: ' + (1 + NaN)); |
| } |
| |
| //CHECK#3 |
| if (isNaN(Number.NaN + Number.POSITIVE_INFINITY) !== true ) { |
| $ERROR('#3: NaN + Infinity === Not-a-Number. Actual: ' + (NaN + Infinity)); |
| } |
| |
| //CHECK#4 |
| if (isNaN(Number.POSITIVE_INFINITY + Number.NaN) !== true ) { |
| $ERROR('#4: Infinity + NaN === Not-a-Number. Actual: ' + (Infinity + NaN)); |
| } |
| |
| //CHECK#5 |
| if (isNaN(Number.NaN + Number.NEGATIVE_INFINITY) !== true ) { |
| $ERROR('#5: NaN + Infinity === Not-a-Number. Actual: ' + (NaN + Infinity)); |
| } |
| |
| //CHECK#6 |
| if (isNaN(Number.NEGATIVE_INFINITY + Number.NaN) !== true ) { |
| $ERROR('#6: Infinity + NaN === Not-a-Number. Actual: ' + (Infinity + NaN)); |
| } |
| |
| |