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Add failing tests for fanIn

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This commit is contained in:
garrettmichaelgeorge 2021-03-17 14:55:45 -04:00
parent 8b0004ff00
commit fdcbea3714
2 changed files with 34 additions and 1 deletions
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21
Tone/core/context/ToneAudioNode.test.ts
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@ -3,7 +3,7 @@ import { Merge } from "Tone/component";
import { Split } from "Tone/component/channel/Split";
import { Oscillator } from "Tone/source";
import { Gain } from "./Gain";
import { connect, disconnect } from "./ToneAudioNode";
import { connect, disconnect, fanIn } from "./ToneAudioNode";
import { PassAudio } from "test/helper/PassAudio";
import { Offline } from "test/helper/Offline";
@ -218,6 +218,16 @@ describe("ToneAudioNode", () => {
disconnect(input);
}, false);
});
it("can fan in multiple nodes to a destination", async () => {
return PassAudio(input => {
const input0 = new Gain();
const input1 = new Gain();
const input2 = new Gain();
const output = new Gain();
fanIn(output, input0, input1, input2);
});
});
it("can connect one channel to another", () => {
return PassAudio(input => {
@ -320,6 +330,15 @@ describe("ToneAudioNode", () => {
disconnect(gain, output);
});
});
it("can fan in multiple nodes to a destination", async () => {
const output = new Gain();
const input0 = new Gain();
const input1 = new Gain();
const input2 = new Gain();
fanIn(output, input0, input1, input2);
expect(output.numberOfInputs).to.equal(3);
});
});
});

14
Tone/core/context/ToneAudioNode.ts
View file

@ -257,6 +257,7 @@ export abstract class ToneAudioNode<Options extends ToneAudioNodeOptions = ToneA
return this;
}
/**
* Dispose and disconnect
*/
@ -376,3 +377,16 @@ export function disconnect(
srcNode.disconnect();
}
}
/**
* connect the output of this node to the rest of the nodes in parallel.
* @example
* const player = new Tone.Player("https://tonejs.github.io/audio/drum-samples/conga-rhythm.mp3");
* const player1 = new Tone.Player("https://tonejs.github.io/audio/drum-samples/conga-rhythm.mp3");
* const filter = new Tone.Filter("G5").toDestination();
* // connect nodes to a common destination
* fanIn(filter, player, player1);
*/
export function fanIn(dstNode: InputNode, ...srcNodes: OutputNode[]): void {
srcNodes.forEach(srcNode => connect(srcNode, dstNode));
}