tone/Tone/component/filter/EQ3.test.ts

A Web Audio framework for making interactive music in the browser.

import { expect } from "chai";
import { BasicTests } from "../../../test/helper/Basic.js";
import { connectFrom } from "../../../test/helper/Connect.js";
import { PassAudio } from "../../../test/helper/PassAudio.js";
import { EQ3 } from "./EQ3.js";

describe("EQ3", () => {
	BasicTests(EQ3);

	context("EQing", () => {
		it("can be constructed with an object", () => {
			const eq3 = new EQ3({
				high: -10,
				highFrequency: 2700,
				low: -8,
				lowFrequency: 500,
				mid: -9,
			});
			expect(eq3.low.value).to.be.closeTo(-8, 0.1);
			expect(eq3.mid.value).to.be.closeTo(-9, 0.1);
			expect(eq3.high.value).to.be.closeTo(-10, 0.1);
			expect(eq3.lowFrequency.value).to.be.closeTo(500, 0.01);
			expect(eq3.highFrequency.value).to.be.closeTo(2700, 0.01);
			eq3.dispose();
		});

		it("can be get and set through object", () => {
			const eq3 = new EQ3();
			eq3.set({
				high: -4,
				lowFrequency: 250,
			});
			expect(eq3.get().high).to.be.closeTo(-4, 0.1);
			expect(eq3.get().lowFrequency).to.be.closeTo(250, 0.01);
			eq3.dispose();
		});

		it("passes the incoming signal through", () => {
			return PassAudio((input) => {
				const eq3 = new EQ3({
					high: 12,
					low: -20,
				}).toDestination();
				input.connect(eq3);
			});
		});

		it.skip("passes the incoming stereo signal through", () => {
			// return PassAudioStereo(function(input){
			// 	var eq3 = new EQ3({
			// 		"mid" : -2,
			// 		"high" : 2
			// 	}).toDestination();
			// 	input.connect(eq3);
			// });
		});
	});
});