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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 * Operator x - y produces the same result as x + (-y) |
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6 * |
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7 * @path ch11/11.6/11.6.2/S11.6.2_A4_T3.js |
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8 * @description The difference of two infinities of the same sign 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.POSITIVE_INFINITY - Number.POSITIVE_INFINITY) !== true ) { |
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13 $ERROR('#1: Infinity - Infinity === Not-a-Number. Actual: ' + (Infinity - Infinity)); |
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14 } |
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15 |
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16 //CHECK#2 |
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17 if (isNaN(Number.NEGATIVE_INFINITY - Number.NEGATIVE_INFINITY) !== true ) { |
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18 $ERROR('#2: -Infinity - -Infinity === Not-a-Number. Actual: ' + (-Infinity - -Infinity)); |
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19 } |
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20 |
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21 |
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22 |
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23 |