mirror of
https://github.com/Tonejs/Tone.js
synced 2024-11-16 08:38:00 +00:00
ed71d8141b
no longer using AMD (require.js) style imports, and beginning to move to es6 "import/export" statements everywhere.
79 lines
2.2 KiB
JavaScript
79 lines
2.2 KiB
JavaScript
import Tremolo from "Tone/effect/Tremolo";
|
|
import Basic from "helper/Basic";
|
|
import EffectTests from "helper/EffectTests";
|
|
import Offline from "helper/Offline";
|
|
|
|
describe("Tremolo", function(){
|
|
Basic(Tremolo);
|
|
EffectTests(Tremolo);
|
|
|
|
context("API", function(){
|
|
|
|
it("can pass in options in the constructor", function(){
|
|
var tremolo = new Tremolo({
|
|
"depth" : 0.2,
|
|
"type" : "sawtooth",
|
|
"spread" : 160,
|
|
});
|
|
expect(tremolo.depth.value).to.be.closeTo(0.2, 0.001);
|
|
expect(tremolo.type).to.equal("sawtooth");
|
|
expect(tremolo.spread).to.equal(160);
|
|
tremolo.dispose();
|
|
});
|
|
|
|
it("can be started and stopped", function(){
|
|
var tremolo = new Tremolo();
|
|
tremolo.start().stop("+0.2");
|
|
tremolo.dispose();
|
|
});
|
|
|
|
it("can get/set the options", function(){
|
|
var tremolo = new Tremolo();
|
|
tremolo.set({
|
|
"frequency" : 2.4,
|
|
"type" : "triangle"
|
|
});
|
|
expect(tremolo.get().frequency).to.be.closeTo(2.4, 0.01);
|
|
expect(tremolo.get().type).to.equal("triangle");
|
|
tremolo.dispose();
|
|
});
|
|
|
|
it("can set the frequency and depth", function(){
|
|
var tremolo = new Tremolo();
|
|
tremolo.depth.value = 0.4;
|
|
tremolo.frequency.value = 0.4;
|
|
expect(tremolo.depth.value).to.be.closeTo(0.4, 0.01);
|
|
expect(tremolo.frequency.value).to.be.closeTo(0.4, 0.01);
|
|
tremolo.dispose();
|
|
});
|
|
|
|
it("can sync the frequency to the Transport", function(){
|
|
|
|
return Offline(function(Transport){
|
|
var tremolo = new Tremolo(2);
|
|
tremolo.sync();
|
|
tremolo.frequency.toMaster();
|
|
Transport.bpm.setValueAtTime(Transport.bpm.value * 2, 0.05);
|
|
// Transport.start(0)
|
|
}, 0.1).then(function(buffer){
|
|
expect(buffer.getValueAtTime(0)).to.be.closeTo(2, 0.1);
|
|
expect(buffer.getValueAtTime(0.05)).to.be.closeTo(4, 0.1);
|
|
});
|
|
});
|
|
|
|
it("can unsync the frequency to the Transport", function(){
|
|
|
|
return Offline(function(Transport){
|
|
var tremolo = new Tremolo(2);
|
|
tremolo.sync();
|
|
tremolo.frequency.toMaster();
|
|
Transport.bpm.setValueAtTime(Transport.bpm.value * 2, 0.05);
|
|
tremolo.unsync();
|
|
}, 0.1).then(function(buffer){
|
|
expect(buffer.getValueAtTime(0)).to.be.closeTo(2, 0.1);
|
|
expect(buffer.getValueAtTime(0.05)).to.be.closeTo(2, 0.1);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|