Tone.js/test/instrument/MetalSynth.js
2018-06-01 22:02:05 -04:00

60 lines
1.6 KiB
JavaScript

define(["Tone/instrument/MetalSynth", "helper/Basic",
"helper/InstrumentTests", "helper/CompareToFile", "helper/Supports"],
function(MetalSynth, Basic, InstrumentTest, CompareToFile, Supports){
describe("MetalSynth", function(){
Basic(MetalSynth);
InstrumentTest(MetalSynth);
if (Supports.CHROME_AUDIO_RENDERING){
it("matches a file", function(){
return CompareToFile(function(){
var synth = new MetalSynth().toMaster();
synth.triggerAttackRelease(0.1, 0.05);
}, "metalSynth.wav", 5.9);
});
}
context("API", function(){
it("can be constructed with octave and harmonicity values", function(){
var cymbal = new MetalSynth({
"octaves" : 0.4,
"resonance" : 2300,
"harmonicity" : 3.1
});
expect(cymbal.harmonicity).to.be.closeTo(3.1, 0.01);
expect(cymbal.resonance).to.be.closeTo(2300, 0.01);
expect(cymbal.octaves).to.be.closeTo(0.4, 0.01);
cymbal.dispose();
});
it("can get and set envelope attributes", function(){
var cymbal = new MetalSynth();
cymbal.envelope.attack = 0.024;
cymbal.envelope.decay = 0.9;
expect(cymbal.envelope.attack).to.equal(0.024);
expect(cymbal.envelope.decay).to.equal(0.9);
cymbal.dispose();
});
it("can set the modulationIndex", function(){
var cymbal = new MetalSynth();
cymbal.modulationIndex = 82;
expect(cymbal.modulationIndex).to.be.closeTo(82, 0.01);
cymbal.dispose();
});
it("can get/set attributes", function(){
var cymbal = new MetalSynth();
cymbal.set({
"frequency" : 120
});
expect(cymbal.get().frequency).to.be.closeTo(120, 0.01);
cymbal.dispose();
});
});
});
});