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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 returns ToNumber(x) - ToNumber(y) |
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6 * |
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7 * @path ch11/11.6/11.6.2/S11.6.2_A3_T2.3.js |
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8 * @description Type(x) is different from Type(y) and both types vary between Number (primitive or object) and Null |
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9 */ |
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10 |
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11 //CHECK#1 |
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12 if (1 - null !== 1) { |
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13 $ERROR('#1: 1 - null === 1. Actual: ' + (1 - null)); |
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14 } |
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15 |
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16 //CHECK#2 |
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17 if (null - 1 !== -1) { |
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18 $ERROR('#2: null - 1 === -1. Actual: ' + (null - 1)); |
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19 } |
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20 |
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21 //CHECK#3 |
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22 if (new Number(1) - null !== 1) { |
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23 $ERROR('#3: new Number(1) - null === 1. Actual: ' + (new Number(1) - null)); |
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24 } |
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25 |
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26 //CHECK#4 |
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27 if (null - new Number(1) !== -1) { |
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28 $ERROR('#4: null - new Number(1) === -1. Actual: ' + (null - new Number(1))); |
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29 } |
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30 |