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24 lines
820 B
24 lines
820 B
'use strict'; |
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module.exports = function () { |
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var set, iterator, result; |
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if (typeof Set !== 'function') return false; |
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set = new Set(['raz', 'dwa', 'trzy']); |
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if (String(set) !== '[object Set]') return false; |
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if (set.size !== 3) return false; |
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if (typeof set.add !== 'function') return false; |
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if (typeof set.clear !== 'function') return false; |
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if (typeof set.delete !== 'function') return false; |
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if (typeof set.entries !== 'function') return false; |
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if (typeof set.forEach !== 'function') return false; |
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if (typeof set.has !== 'function') return false; |
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if (typeof set.keys !== 'function') return false; |
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if (typeof set.values !== 'function') return false; |
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iterator = set.values(); |
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result = iterator.next(); |
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if (result.done !== false) return false; |
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if (result.value !== 'raz') return false; |
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return true; |
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};
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