go-types/test/isInfiniteTest.js

Type-checking utilities for JavaScript

"use strict";

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

suite("#isInfinite", function () {

    test("true", function () {
        assert.equal(isInfinite(Number.POSITIVE_INFINITY), true);
        assert.equal(isInfinite(Number.NEGATIVE_INFINITY), true);
        assert.equal(isInfinite(new Number(Number.POSITIVE_INFINITY)), true);
    });

    test("false", function () {
        assert.equal(isInfinite(0), false);
        assert.equal(isInfinite(Number.MAX_VALUE), false);
        assert.equal(isInfinite(Number.MIN_VALUE), false);
        assert.equal(isInfinite(Number.NaN), false);
        assert.equal(isInfinite(null), false);
        assert.equal(isInfinite("0"), false);
    });
});