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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 * If result is greater than or equal to 2^31, return result -2^32 |
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6 * |
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7 * @path ch09/9.5/S9.5_A2.3_T1.js |
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8 * @description Use operator <<0 |
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9 */ |
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10 |
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11 // CHECK#1 |
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12 if ((2147483647 << 0) !== 2147483647) { |
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13 $ERROR('#1: (2147483647 << 0) === 2147483647. Actual: ' + ((2147483647 << 0))); |
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14 } |
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15 |
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16 // CHECK#2 |
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17 if ((2147483648 << 0) !== -2147483648) { |
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18 $ERROR('#2: (2147483648 << 0) === -2147483648. Actual: ' + ((2147483648 << 0))); |
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19 } |
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20 |
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21 // CHECK#3 |
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22 if ((2147483649 << 0) !== -2147483647) { |
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23 $ERROR('#3: (2147483649 << 0) === -2147483647. Actual: ' + ((2147483649 << 0))); |
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24 } |
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25 |
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26 // CHECK#4 |
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27 if ((4294967295 << 0) !== -1) { |
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28 $ERROR('#4: (4294967295 << 0) === -1. Actual: ' + ((4294967295 << 0))); |
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29 } |
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30 |
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31 // CHECK#5 |
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32 if ((4294967296 << 0) !== 0) { |
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33 $ERROR('#5: (4294967296 << 0) === 0. Actual: ' + ((4294967296 << 0))); |
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34 } |
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35 |
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36 // CHECK#6 |
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37 if ((4294967297 << 0) !== 1) { |
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38 $ERROR('#6: (4294967297 << 0) === 1. Actual: ' + ((4294967297 << 0))); |
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39 } |
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40 |
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41 |
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42 |