mirror of
https://github.com/Tonejs/Tone.js
synced 2024-11-16 16:48:00 +00:00
313 lines
8.9 KiB
JavaScript
313 lines
8.9 KiB
JavaScript
define(["helper/Basic", "Test", "Tone/core/Param", "Tone/type/Type", "Tone/signal/Signal", "Tone/core/Transport"],
|
|
function (Basic, Test, Param, Tone, Signal, Transport) {
|
|
|
|
describe("Param", function(){
|
|
|
|
Basic(Param);
|
|
|
|
context("Param", function(){
|
|
|
|
it("handles input connections", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
Test.connect(param);
|
|
param.dispose();
|
|
});
|
|
|
|
it("can be created with an options object", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param({
|
|
"param" : gain.gain,
|
|
"units" : Tone.Type.Decibels
|
|
});
|
|
expect(param.value).to.be.closeTo(0, 0.001);
|
|
expect(param.units).to.equal(Tone.Type.Decibels);
|
|
param.dispose();
|
|
});
|
|
|
|
it("can set a value", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.value = 10;
|
|
expect(param.value).to.equal(10);
|
|
param.dispose();
|
|
});
|
|
|
|
});
|
|
|
|
context("Units", function(){
|
|
|
|
it("can be created with specific units", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.BPM);
|
|
expect(param.units).to.equal(Tone.Type.BPM);
|
|
param.dispose();
|
|
});
|
|
|
|
it("can evaluate the given units", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.Time);
|
|
param.value = "4n";
|
|
expect(param.value).to.be.closeTo(0.5, 0.001);
|
|
param.dispose();
|
|
});
|
|
|
|
it("converts the given units when passed in the constructor", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param({
|
|
"param" : gain.gain,
|
|
"units" : Tone.Type.Decibels,
|
|
});
|
|
param.value = -10;
|
|
expect(param._param.value).to.be.closeTo(0.315, 0.01);
|
|
param.dispose();
|
|
});
|
|
|
|
it("can be set to not convert the given units", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param({
|
|
"param" : gain.gain,
|
|
"units" : Tone.Type.Decibels,
|
|
"convert" : false
|
|
});
|
|
param.value = -10;
|
|
expect(param._param.value).to.be.closeTo(-10, 0.001);
|
|
param.dispose();
|
|
});
|
|
|
|
it("converts Frequency units", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.Frequency);
|
|
param.value = "50hz";
|
|
expect(param.value).to.be.closeTo(50, 0.01);
|
|
param.dispose();
|
|
});
|
|
|
|
it("converts Time units", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.Time);
|
|
param.value = "4n";
|
|
expect(param.value).to.be.closeTo(0.5, 0.01);
|
|
param.dispose();
|
|
});
|
|
|
|
it("converts NormalRange units", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.NormalRange);
|
|
param.value = 2;
|
|
expect(param.value).to.be.closeTo(1, 0.01);
|
|
param.dispose();
|
|
});
|
|
|
|
it("converts AudioRange units", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.AudioRange);
|
|
param.value = -2;
|
|
expect(param.value).to.be.closeTo(-1, 0.01);
|
|
param.dispose();
|
|
});
|
|
|
|
it("converts Positive units", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.Positive);
|
|
param.value = -2;
|
|
expect(param.value).to.be.closeTo(0, 0.01);
|
|
param.dispose();
|
|
});
|
|
|
|
});
|
|
|
|
context("minValue/maxValue", function(){
|
|
|
|
it("default min/max values", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
expect(param.minValue).to.lessThan(-3e32);
|
|
expect(param.maxValue).to.greaterThan(3e32);
|
|
param.dispose();
|
|
});
|
|
|
|
it("minValue for BPM is 0", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.BPM);
|
|
expect(param.minValue).to.equal(0);
|
|
param.dispose();
|
|
});
|
|
|
|
it("minValue for Time is 0", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.Time);
|
|
expect(param.minValue).to.equal(0);
|
|
param.dispose();
|
|
});
|
|
|
|
it("minValue for Frequency is 0", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.Frequency);
|
|
expect(param.minValue).to.equal(0);
|
|
param.dispose();
|
|
});
|
|
|
|
it("minValue for Decibels is -Infinity", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.Decibels);
|
|
expect(param.minValue).to.equal(-Infinity);
|
|
param.dispose();
|
|
});
|
|
|
|
it("minValue for Positive is 0", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.Positive);
|
|
expect(param.minValue).to.equal(0);
|
|
param.dispose();
|
|
});
|
|
|
|
it("range for AudioRange is -1 to 1", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.AudioRange);
|
|
expect(param.minValue).to.equal(-1);
|
|
expect(param.maxValue).to.equal(1);
|
|
param.dispose();
|
|
});
|
|
|
|
it("range for NormalRange is 0 to 1", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain, Tone.Type.NormalRange);
|
|
expect(param.minValue).to.equal(0);
|
|
expect(param.maxValue).to.equal(1);
|
|
param.dispose();
|
|
});
|
|
|
|
});
|
|
|
|
context("Scheduling API", function(){
|
|
|
|
it ("can be scheduled to set a value in the future", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param({
|
|
"param" : gain.gain,
|
|
"units" : Tone.Type.Decibels
|
|
});
|
|
param.setValueAtTime(2, "+0.3");
|
|
param.dispose();
|
|
});
|
|
|
|
it ("can linear ramp from the current value to another value in the future", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param({
|
|
"param" : gain.gain,
|
|
});
|
|
param.linearRampToValueAtTime(2, "+0.3");
|
|
param.dispose();
|
|
});
|
|
|
|
it ("can schedule an exponential ramp", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.exponentialRampToValueAtTime(3, "+1");
|
|
param.dispose();
|
|
});
|
|
|
|
it ("can approach a target value", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.setTargetAtTime(0.2, "+1", 2);
|
|
param.dispose();
|
|
});
|
|
|
|
it ("can approach a target value using time instead of timeConstant", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.exponentialAppraochValueAtTime(0.2, "+1", 2);
|
|
param.dispose();
|
|
});
|
|
|
|
it ("can set a value curve", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.setValueCurveAtTime([0.2, 0.3, 0.4], "+1", 2);
|
|
param.dispose();
|
|
});
|
|
|
|
it ("can set a ramp point at the current value", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.setRampPoint();
|
|
param.dispose();
|
|
});
|
|
|
|
it ("can schedule multiple automations", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.linearRampToValueAtTime(0.5, "+0.5");
|
|
param.linearRampToValueAtTime(0, "+1");
|
|
param.dispose();
|
|
});
|
|
|
|
it ("can cancel an automation", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.linearRampToValueAtTime(0.5, "+0.5");
|
|
param.cancelScheduledValues(0);
|
|
param.dispose();
|
|
});
|
|
|
|
it ("can cancelAndHold an automation", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.linearRampToValueAtTime(0.5, "+0.5");
|
|
param.cancelAndHoldAtTime(0);
|
|
param.dispose();
|
|
});
|
|
|
|
it ("can set a linear ramp from the current time", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.linearRampTo(0.5, 0.5);
|
|
param.dispose();
|
|
});
|
|
|
|
it ("can set an exponential ramp from the current time", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.exponentialRampTo(0.5, 0.5);
|
|
param.dispose();
|
|
});
|
|
|
|
it ("can set an exponential approach ramp from the current time", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.targetRampTo(0.5, 0.5);
|
|
param.dispose();
|
|
});
|
|
|
|
it ("rampTo ramps from the current value", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.rampTo(0.5, 0.5);
|
|
param.dispose();
|
|
});
|
|
|
|
it("can schedule and set a value", function(done){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
param.rampTo(0.1, 10);
|
|
setTimeout(function(){
|
|
param.value = 10;
|
|
expect(param.value).to.equal(10);
|
|
param.dispose();
|
|
done();
|
|
}, 100);
|
|
});
|
|
|
|
it ("throws an error if timeConstant <= 0", function(){
|
|
var gain = Tone.context.createGain();
|
|
var param = new Param(gain.gain);
|
|
expect(function(){
|
|
param.setTargetAtTime(2, "+1", 0);
|
|
}).to.throw(Error);
|
|
param.dispose();
|
|
});
|
|
});
|
|
});
|
|
});
|