blissfuljs/tests/objects/TypeSpec.js

Lightweight helper library for modern browsers.

describe("$.type function", function() {

	it("returns null if object is null", function() {
		var obj = null;
		expect($.type(obj)).to.equal("null");
	});

	it("returns undefined if undefined", function() {
		var obj = [];
		expect($.type(obj.foo)).to.equal("undefined");
	});

	it("returns correct types for native objects", function() {
		expect($.type(new Date())).to.equal("date");
		expect($.type("hello")).to.equal("string");
		expect($.type(45)).to.equal("number");
	});

	it("returns type function", function() {
		expect($.type($)).to.equal("function");
	});

	it("returns type object", function() {
		expect($.type({})).to.equal("object");
	});

	it("returns nan if NaN", function() {
		var obj = 45 - "foo";
		expect($.type(obj)).to.equal("nan");
	});

});