25 lines
820 B
JavaScript
25 lines
820 B
JavaScript
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"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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