go-types/test/isTruthyTest.js

Type-checking utilities for JavaScript

"use strict";

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

suite("#isTruthy", function () {

    test("truthy", function () {
        assert.equal(isTruthy(true), true);
        assert.equal(isTruthy(1), true);
        assert.equal(isTruthy("a"), true);
        assert.equal(isTruthy({}), true);
        assert.equal(isTruthy([]), true);
        assert.equal(isTruthy(function () {}), true);
    });

    test("not truthy", function () {
        assert.equal(isTruthy(), false);
        assert.equal(isTruthy(undefined), false);
        assert.equal(isTruthy(null), false);
        assert.equal(isTruthy(0), false);
        assert.equal(isTruthy(NaN), false);
        assert.equal(isTruthy(""), false);
        assert.equal(isTruthy(false), false);
    });
});