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1 load(libdir + "asserts.js"); |
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2 |
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3 /* |
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4 * Throw a TypeError if the enumerable fields of the current descriptor and the |
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5 * descriptor returned by the trap are the boolean negation of each other |
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6 */ |
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7 var target = {}; |
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8 Object.defineProperty(target, 'foo', { |
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9 configurable: false, |
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10 enumerable: true |
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11 }); |
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12 var caught = false; |
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13 assertThrowsInstanceOf(function () { |
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14 Object.getOwnPropertyDescriptor(new Proxy(target, { |
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15 getOwnPropertyDescriptor: function (target, name) { |
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16 return { |
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17 configurable: false, |
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18 enumerable: false |
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19 }; |
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20 } |
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21 }), 'foo'); |
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22 }, TypeError); |
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23 |
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24 var target = {}; |
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25 Object.defineProperty(target, 'foo', { |
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26 configurable: false, |
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27 enumerable: false |
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28 }); |
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29 var caught = false; |
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30 assertThrowsInstanceOf(function () { |
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31 Object.getOwnPropertyDescriptor(new Proxy(target, { |
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32 getOwnPropertyDescriptor: function (target, name) { |
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33 return { |
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34 configurable: false, |
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35 enumerable: true |
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36 }; |
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37 } |
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38 }), 'foo'); |
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39 }, TypeError); |