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1 // Copyright 2012 Mozilla Corporation. 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 * @description Tests that the array returned by SupportedLocales is extensible, |
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6 * but its properties are non-writable/non-configurable. |
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7 * @author Norbert Lindenberg |
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8 */ |
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9 |
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10 $INCLUDE("testIntl.js"); |
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11 |
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12 function testFrozenProperty(obj, property) { |
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13 var desc = Object.getOwnPropertyDescriptor(obj, property); |
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14 if (desc.writable) { |
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15 $ERROR("Property " + property + " of object returned by SupportedLocales is writable."); |
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16 } |
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17 if (desc.configurable) { |
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18 $ERROR("Property " + property + " of object returned by SupportedLocales is configurable."); |
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19 } |
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20 } |
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21 |
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22 testWithIntlConstructors(function (Constructor) { |
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23 var defaultLocale = new Constructor().resolvedOptions().locale; |
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24 var supported = Constructor.supportedLocalesOf([defaultLocale]); |
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25 if (!Object.isExtensible(supported)) { |
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26 $ERROR("Object returned by SupportedLocales is not extensible."); |
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27 } |
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28 for (var i = 0; i < supported.length; i++) { |
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29 testFrozenProperty(supported, i); |
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30 } |
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31 testFrozenProperty(supported, "length"); |
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32 |
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33 return true; |
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34 }); |
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35 |