tone/Tone/signal/Zero.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 { ConstantOutput } from "../../test/helper/ConstantOutput.js";
import { Zero } from "./Zero.js";

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

	context("Zero", () => {
		it("has 0 inputs and 1 output", () => {
			const zero = new Zero();
			expect(zero.numberOfInputs).to.equal(0);
			expect(zero.numberOfOutputs).to.equal(1);
			zero.dispose();
		});

		it("always outputs 0", () => {
			return ConstantOutput(
				() => {
					new Zero().toDestination();
				},
				0,
				0
			);
		});
	});
});