is-eq-seven/test.js

Returns true if the given number is 7, false otherwise.

"use strict";

require("mocha");
const assert = require("assert");
const is7 = require("./");

describe("is7", function() {
    it("should return true if the number is 7", function() {
        assert(is7(7));
    });
  
    it("should return false if the number is not 7", function() {
        assert(!is7(7 + 1));
    });
    
    it("should return false if the number is not a number at all", function() {
        assert(!is7(null));
        assert(!is7(undefined));
        assert(!is7("7"));
        assert(!is7({prop: "7"}));
    });
});