go-types/test/isSetTest.js

Type-checking utilities for JavaScript

"use strict";

var assert = require("chai").assert;
var isSet = require("../src/isSet");

if (typeof Set !== "undefined") {
    suite("#isSet", function () {

        test("true", function () {
            assert.equal(isSet(new Set()), true);
        });

        test("false", function () {
            assert.equal(isSet(), false);
            assert.equal(isSet(Set), false);
            assert.equal(isSet(undefined), false);
            assert.equal(isSet(null), false);
            assert.equal(isSet({}), false);
            assert.equal(isSet([]), false);
        });
    });
}