@azgaar/tone
Version:
A fork of Web Audio framework for making interactive music in the browser.
27 lines • 1.06 kB
JavaScript
import { expect } from "chai";
import { Offline } from "test/helper/Offline";
import { Signal } from "Tone/signal/Signal";
/**
* Make sure that the audio passes from input node
* to the destination node
*/
export function PassAudio(callback, passes = true) {
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);
}
});
}
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