Tone.js/test/signal/Zero.js

define(["Test", "Tone/signal/Zero", "helper/Basic", "Tone/signal/Signal", "helper/ConstantOutput"], 
function (Test, Zero, BasicTest, Signal, ConstantOutput) {

	describe("Zero", function(){

		BasicTest(Zero);

		context("Zero", function(){

			it("handles output connections", function(){
				var abs = new Zero();
				abs.connect(Test);
				abs.dispose();
			});

			it("always outputs 0", function(){
				return ConstantOutput(function(){
					new Zero().toMaster();
				}, 0, 0);
			});

		});

	});
});