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1 // Copyright 2009 the Sputnik authors. All rights reserved. |
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2 // This code is governed by the BSD license found in the LICENSE file. |
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3 |
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4 /** |
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5 * The result of an addition is determined using the rules of IEEE 754 double-precision arithmetics |
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6 * |
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7 * @path ch11/11.6/11.6.1/S11.6.1_A4_T1.js |
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8 * @description If either operand is NaN, the result is NaN |
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9 */ |
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10 |
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11 //CHECK#1 |
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12 if (isNaN(Number.NaN + 1) !== true ) { |
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13 $ERROR('#1: NaN + 1 === Not-a-Number. Actual: ' + (NaN + 1)); |
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14 } |
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15 |
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16 //CHECK#2 |
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17 if (isNaN(1 + Number.NaN) !== true ) { |
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18 $ERROR('#2: 1 + NaN === Not-a-Number. Actual: ' + (1 + NaN)); |
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19 } |
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20 |
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21 //CHECK#3 |
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22 if (isNaN(Number.NaN + Number.POSITIVE_INFINITY) !== true ) { |
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23 $ERROR('#3: NaN + Infinity === Not-a-Number. Actual: ' + (NaN + Infinity)); |
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24 } |
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25 |
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26 //CHECK#4 |
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27 if (isNaN(Number.POSITIVE_INFINITY + Number.NaN) !== true ) { |
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28 $ERROR('#4: Infinity + NaN === Not-a-Number. Actual: ' + (Infinity + NaN)); |
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29 } |
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30 |
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31 //CHECK#5 |
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32 if (isNaN(Number.NaN + Number.NEGATIVE_INFINITY) !== true ) { |
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33 $ERROR('#5: NaN + Infinity === Not-a-Number. Actual: ' + (NaN + Infinity)); |
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34 } |
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35 |
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36 //CHECK#6 |
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37 if (isNaN(Number.NEGATIVE_INFINITY + Number.NaN) !== true ) { |
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38 $ERROR('#6: Infinity + NaN === Not-a-Number. Actual: ' + (Infinity + NaN)); |
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39 } |
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40 |
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41 |