Tone.js/test/instrument/PluckSynth.js

import PluckSynth from "Tone/instrument/PluckSynth";
import Basic from "helper/Basic";
import InstrumentTest from "helper/InstrumentTests";
import CompareToFile from "helper/CompareToFile";
import Supports from "helper/Supports";

describe("PluckSynth", function(){

	Basic(PluckSynth);

	InstrumentTest(PluckSynth, "C3");

	if (Supports.CHROME_AUDIO_RENDERING){
		it("matches a file", function(){
			return CompareToFile(function(){
				var synth = new PluckSynth().toMaster();
				synth.triggerAttack("C4");
			}, "pluckSynth.wav", 0.26);
		});
	}

	context("API", function(){

		it("can get and set resonance", function(){
			var pluck = new PluckSynth();
			pluck.resonance.value = 0.4;
			expect(pluck.resonance.value).to.be.closeTo(0.4, 0.001);
			pluck.dispose();
		});

		it("can get and set dampening", function(){
			var pluck = new PluckSynth();
			pluck.dampening.value = 2000;
			expect(pluck.dampening.value).to.be.closeTo(2000, 0.1);
			pluck.dispose();
		});

		it("can get and set the attackNoise", function(){
			var pluck = new PluckSynth();
			pluck.attackNoise = 0.2;
			expect(pluck.attackNoise).to.be.closeTo(0.2, 0.1);
			pluck.dispose();
		});

		it("can be constructed with an options object", function(){
			var pluck = new PluckSynth({
				"dampening" : 300
			});
			expect(pluck.dampening.value).to.be.closeTo(300, 0.1);
			pluck.dispose();
		});

		it("can be constructed with an options object", function(){
			var pluck = new PluckSynth({
				"resonance" : 0.5
			});
			expect(pluck.resonance.value).to.be.closeTo(0.5, 0.001);
			pluck.dispose();
		});

	});
});