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Tone.js/Tone/effect/FeedbackDelay.test.ts
2024-05-03 11:09:28 -04:00

77 lines
2.4 KiB
TypeScript

import { expect } from "chai";
import { BasicTests } from "../../test/helper/Basic.js";
import { CompareToFile } from "../../test/helper/CompareToFile.js";
import { EffectTests } from "../../test/helper/EffectTests.js";
import { Oscillator } from "../source/oscillator/Oscillator.js";
import { FeedbackDelay } from "./FeedbackDelay.js";
import { FeedbackEffect } from "./FeedbackEffect.js";
describe("FeedbackDelay", () => {
BasicTests(FeedbackDelay);
EffectTests(FeedbackDelay, 0.01);
it("matches a file", () => {
return CompareToFile(
() => {
const delay = new FeedbackDelay(0.1, 0.6).toDestination();
const osc = new Oscillator().connect(delay);
osc.type = "square";
osc.start(0).stop(0.01);
},
"feedbackDelay.wav",
0.05
);
});
context("API", () => {
it("extends FeedbackEffect", () => {
const feedbackDelay = new FeedbackDelay(0.2, 0.3);
expect(feedbackDelay).to.be.instanceOf(FeedbackEffect);
feedbackDelay.dispose();
});
it("parses constructor arguments correctly", () => {
const feedbackDelay = new FeedbackDelay(0.1, 0.4);
expect(feedbackDelay.delayTime.value).to.be.closeTo(0.1, 0.01);
expect(feedbackDelay.feedback.value).to.be.closeTo(0.4, 0.01);
feedbackDelay.dispose();
});
it("can pass in options in the constructor", () => {
const feedbackDelay = new FeedbackDelay({
delayTime: 0.2,
feedback: 0.3,
});
expect(feedbackDelay.delayTime.value).to.be.closeTo(0.2, 0.01);
expect(feedbackDelay.feedback.value).to.be.closeTo(0.3, 0.01);
feedbackDelay.dispose();
});
it("can get/set the options", () => {
const feedbackDelay = new FeedbackDelay();
feedbackDelay.set({
feedback: 0.4,
});
expect(feedbackDelay.get().feedback).to.be.closeTo(0.4, 0.01);
feedbackDelay.dispose();
});
it("can set the delayTime", () => {
const feedbackDelay = new FeedbackDelay();
feedbackDelay.delayTime.value = "4n";
expect(feedbackDelay.delayTime.value).to.be.closeTo(0.5, 0.001);
feedbackDelay.delayTime.value = 0.22;
expect(feedbackDelay.delayTime.value).to.be.closeTo(0.22, 0.001);
feedbackDelay.dispose();
});
it("can set the feedback amount", () => {
const feedbackDelay = new FeedbackDelay();
feedbackDelay.feedback.value = 1;
expect(feedbackDelay.feedback.value).to.be.closeTo(1, 0.001);
feedbackDelay.feedback.value = 0.22;
expect(feedbackDelay.feedback.value).to.be.closeTo(0.22, 0.001);
feedbackDelay.dispose();
});
});
});