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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 * Result of number conversion from number value equals to the input argument (no conversion) |
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6 * |
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7 * @path ch09/9.3/S9.3_A4.2_T2.js |
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8 * @description Number.NaN, +0, -0, Number.POSITIVE_INFINITY, Number.NEGATIVE_INFINITY, |
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9 * Number.MAX_VALUE and Number.MIN_VALUE convert to Number by implicit transformation |
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10 */ |
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11 |
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12 // CHECK#1 |
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13 if (isNaN(+(Number.NaN)) !== true) { |
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14 $ERROR('#1: +(NaN) === Not-a-Number. Actual: ' + (+(NaN))); |
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15 } |
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16 |
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17 // CHECK#2 |
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18 if (+(+0) !== +0) { |
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19 $ERROR('#2.1: +(+0) === 0. Actual: ' + (+(+0))); |
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20 } else { |
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21 if (1/+(+0) !== Number.POSITIVE_INFINITY) { |
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22 $ERROR('#2.2: +(+0) === +0. Actual: -0'); |
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23 } |
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24 } |
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25 |
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26 // CHECK#3 |
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27 if (+(-0) !== -0) { |
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28 $ERROR('#3.1: +(-0) === 0. Actual: ' + (+(-0))); |
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29 } else { |
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30 if (1/+(-0) !== Number.NEGATIVE_INFINITY) { |
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31 $ERROR('#3.2: +(-0) === -0. Actual: +0'); |
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32 } |
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33 } |
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34 |
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35 // CHECK#4 |
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36 if (+(Number.POSITIVE_INFINITY) !== Number.POSITIVE_INFINITY) { |
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37 $ERROR('#4: +(+Infinity) === +Infinity. Actual: ' + (+(+Infinity))); |
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38 } |
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39 |
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40 // CHECK#5 |
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41 if (+(Number.NEGATIVE_INFINITY) !== Number.NEGATIVE_INFINITY) { |
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42 $ERROR('#5: +(-Infinity) === -Infinity. Actual: ' + (+(-Infinity))); |
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43 } |
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44 |
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45 // CHECK#6 |
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46 if (+(Number.MAX_VALUE) !== Number.MAX_VALUE) { |
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47 $ERROR('#6: +(Number.MAX_VALUE) === Number.MAX_VALUE. Actual: ' + (+(Number.MAX_VALUE))); |
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48 } |
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49 |
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50 // CHECK#7 |
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51 if (+(Number.MIN_VALUE) !== Number.MIN_VALUE) { |
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52 $ERROR('#7: +(Number.MIN_VALUE) === Number.MIN_VALUE. Actual: ' + (+(Number.MIN_VALUE))); |
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53 } |
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54 |