define(["Tone/component/Analyser", "Test", "helper/Basic", "helper/Supports", "Tone/source/Noise"],
	function (Analyser, Test, Basic, Supports, Noise) {

	describe("Analyser", function(){

		Basic(Analyser);

		it("handles input connection", function(){
			var anl = new Analyser();
			Test.connect(anl);
			anl.dispose();
		});

		it("can get and set properties", function(){
			var anl = new Analyser();
			anl.set({
				"size" : 32,
				"smoothing" : 0.2
			});
			var values = anl.get();
			expect(values.size).to.equal(32);
			expect(values.smoothing).to.equal(0.2);
			anl.dispose();
		});

		it("can correctly set the size", function(){
			var anl = new Analyser("fft", 512);
			expect(anl.size).to.equal(512);
			anl.size = 1024;
			expect(anl.size).to.equal(1024);
			anl.dispose();
		});

		it("can run fft analysis", function(){
			var anl = new Analyser("fft", 512);
			analysis = anl.getValue();
			expect(analysis.length).to.equal(512);
			for (i = 0; i < analysis.length; i++){
				expect(analysis[i]).is.lessThan(0);
			}
			anl.dispose();
		});

		it("can run waveform analysis", function(done){
			var noise = new Noise();
			var anl = new Analyser("waveform", 256);
			noise.connect(anl);
			noise.start();

			setTimeout(function(){
				analysis = anl.getValue();
				expect(analysis.length).to.equal(256);
				for (i = 0; i < analysis.length; i++){
					expect(analysis[i]).is.within(-1, 1);
				}
				anl.dispose();
				noise.dispose();
				done()
			}, 300);
		});

		it("throws an error if an invalid type is set", function(){
			var anl = new Analyser("fft", 512);
			expect(function(){
				anl.type = "invalid";
			}).to.throw(Error);
			anl.dispose();
		});

	});
});