Tone.js/test/effect/StereoWidener.js

import StereoWidener from "Tone/effect/StereoWidener";
import Basic from "helper/Basic";
import EffectTests from "helper/EffectTests";

describe("StereoWidener", function(){

	Basic(StereoWidener);
	EffectTests(StereoWidener, 0);

	context("API", function(){

		it("can pass in options in the constructor", function(){
			var widener = new StereoWidener({
				"width" : 0.2,
			});
			expect(widener.width.value).to.be.closeTo(0.2, 0.001);
			widener.dispose();
		});

		it("can get/set the options", function(){
			var widener = new StereoWidener();
			widener.set({
				"width" : 0.4,
			});
			expect(widener.width.value).to.be.closeTo(0.4, 0.001);
			widener.dispose();
		});
	});
});