define(["Tone/component/Mono", "helper/Basic",
	"Test", "helper/Offline", "Tone/signal/Signal", "helper/StereoSignal"],
function(Mono, Basic, Test, Offline, Signal, StereoSignal) {

	describe("Mono", function(){

		Basic(Mono);

		context("Mono", function(){

			it("handles input and output connections", function(){
				var mono = new Mono();
				Test.connect(mono);
				mono.connect(Test);
				mono.dispose();
			});

			it("Makes a mono signal in both channels", function(){
				return Offline(function(){
					var mono = new Mono().toMaster();
					var signal = new Signal(2).connect(mono);
				}, 0.1, 2).then(function(buffer){
					expect(buffer.toArray()[0][0]).to.equal(2);
					expect(buffer.toArray()[1][0]).to.equal(2);
					expect(buffer.toArray()[0][100]).to.equal(2);
					expect(buffer.toArray()[1][100]).to.equal(2);
					expect(buffer.toArray()[0][1000]).to.equal(2);
					expect(buffer.toArray()[1][1000]).to.equal(2);
				});
			});

			it("Sums a stereo signal into a mono signal", function(){
				return Offline(function(){
					var mono = new Mono().toMaster();
					var signal = StereoSignal(2, 2).connect(mono);
				}, 0.1, 2).then(function(buffer){
					expect(buffer.toArray()[0][0]).to.equal(2);
					expect(buffer.toArray()[1][0]).to.equal(2);
					expect(buffer.toArray()[0][100]).to.equal(2);
					expect(buffer.toArray()[1][100]).to.equal(2);
					expect(buffer.toArray()[0][1000]).to.equal(2);
					expect(buffer.toArray()[1][1000]).to.equal(2);
				});
			});
		});
	});
});