mirror of
https://github.com/Tonejs/Tone.js
synced 2024-12-28 12:33:12 +00:00
69 lines
2 KiB
TypeScript
69 lines
2 KiB
TypeScript
import { expect } from "chai";
|
|
import { BasicTests } from "test/helper/Basic";
|
|
import { CompareToFile } from "test/helper/CompareToFile";
|
|
import { OscillatorTests } from "test/helper/OscillatorTests";
|
|
import { SourceTests } from "test/helper/SourceTests";
|
|
import { AMOscillator } from "./AMOscillator";
|
|
|
|
describe("AMOscillator", () => {
|
|
|
|
// run the common tests
|
|
BasicTests(AMOscillator);
|
|
SourceTests(AMOscillator);
|
|
OscillatorTests(AMOscillator);
|
|
|
|
it("matches a file", () => {
|
|
return CompareToFile(() => {
|
|
const osc = new AMOscillator().toDestination();
|
|
osc.start(0.1).stop(0.4);
|
|
}, "amOscillator.wav", 0.03);
|
|
});
|
|
|
|
context("Amplitude Modulation", () => {
|
|
|
|
it("can pass in parameters in the constructor", () => {
|
|
const amOsc = new AMOscillator({
|
|
harmonicity: 3,
|
|
modulationType: "square3",
|
|
type: "triangle2",
|
|
});
|
|
expect(amOsc.type).to.equal("triangle2");
|
|
expect(amOsc.harmonicity.value).to.be.closeTo(3, 0.001);
|
|
expect(amOsc.modulationType).to.equal("square3");
|
|
amOsc.dispose();
|
|
});
|
|
|
|
it("can set the harmonicity", () => {
|
|
const amOsc = new AMOscillator();
|
|
amOsc.harmonicity.value = 0.2;
|
|
expect(amOsc.harmonicity.value).to.be.closeTo(0.2, 0.001);
|
|
amOsc.dispose();
|
|
});
|
|
|
|
it("can set the modulationType", () => {
|
|
const amOsc = new AMOscillator();
|
|
amOsc.modulationType = "triangle5";
|
|
expect(amOsc.modulationType).to.equal("triangle5");
|
|
amOsc.dispose();
|
|
});
|
|
|
|
it("can get/set the baseType", () => {
|
|
const osc = new AMOscillator();
|
|
osc.type = "sine5";
|
|
expect(osc.baseType).to.equal("sine");
|
|
osc.baseType = "triangle";
|
|
expect(osc.type).to.equal("triangle5");
|
|
expect(osc.partialCount).to.equal(5);
|
|
osc.partialCount = 2;
|
|
expect(osc.type).to.equal("triangle2");
|
|
osc.baseType = "custom";
|
|
expect(osc.type).to.equal("custom");
|
|
osc.partials = [1, 2, 3];
|
|
expect(osc.baseType).to.equal("custom");
|
|
expect(osc.partials).to.deep.equal([1, 2, 3]);
|
|
osc.baseType = "square";
|
|
expect(osc.type).to.equal("square");
|
|
osc.dispose();
|
|
});
|
|
});
|
|
});
|