mirror of
https://github.com/Tonejs/Tone.js
synced 2024-12-30 13:33:10 +00:00
30 lines
1,008 B
TypeScript
30 lines
1,008 B
TypeScript
import { expect } from "chai";
|
|
import { Offline } from "test/helper/Offline";
|
|
import { ToneAudioNode } from "Tone/core/context/ToneAudioNode";
|
|
import { Signal } from "Tone/signal/Signal";
|
|
|
|
/**
|
|
* Make sure that the audio passes from input node
|
|
* to the destination node
|
|
*/
|
|
export function PassAudio(
|
|
callback: (input: ToneAudioNode) => void,
|
|
passes = true
|
|
): Promise<void> {
|
|
const duration = 0.2;
|
|
return Offline(() => {
|
|
const sig = new Signal(0);
|
|
callback(sig);
|
|
sig.setValueAtTime(1, duration / 2);
|
|
}, 0.2, 1).then(buffer => {
|
|
expect(buffer.getValueAtTime(0)).to.be.closeTo(0, 0.001);
|
|
expect(buffer.getValueAtTime(duration / 2 - 0.01)).to.be.closeTo(0, 0.001);
|
|
if (passes) {
|
|
expect(buffer.getValueAtTime(duration / 2 + 0.01)).to.not.equal(0);
|
|
expect(buffer.getValueAtTime(duration - 0.01)).to.not.equal(0);
|
|
} else {
|
|
expect(buffer.getValueAtTime(duration / 2 + 0.01)).to.be.closeTo(0, 0.001);
|
|
expect(buffer.getValueAtTime(duration - 0.01)).to.be.closeTo(0, 0.001);
|
|
}
|
|
});
|
|
}
|