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/*
* Copyright 2009 Phil Burk, Mobileer Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jsyn.unitgen;
import com.jsyn.engine.SynthesisEngine;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class TestEnvelopeAttackDecay extends TestUnitGate {
double attackTime;
double decayTime;
@BeforeEach
protected void beforeEach() {
synthesisEngine = new SynthesisEngine();
synthesisEngine.setRealTime(false);
attackTime = 0.2;
decayTime = 0.4;
}
@AfterEach
protected void afterEach() {
synthesisEngine.stop();
}
@Test
public void testOnOff() throws InterruptedException {
var envelope = new EnvelopeAttackDecay();
synthesisEngine.add(envelope);
envelope.attack.set(0.1);
envelope.decay.set(0.2);
synthesisEngine.start();
envelope.start();
time = synthesisEngine.getCurrentTime();
synthesisEngine.sleepUntil(time + 0.1);
assertEquals(0.0, envelope.output.getValue(), "still idling");
// Trigger the envelope using on/off
envelope.input.on();
time = synthesisEngine.getCurrentTime();
// Check end of attack cycle.
synthesisEngine.sleepUntil(time + 0.1);
assertTrue(envelope.output.getValue() > 0.8, "at peak");
envelope.input.off();
// Check end of decay cycle.
synthesisEngine.sleepUntil(time + 0.3);
assertTrue(envelope.output.getValue() < 0.1, "at peak");
synthesisEngine.sleepFor(0.1);
// Trigger the envelope using trigger()
envelope.input.trigger();
time = synthesisEngine.getCurrentTime();
// Check end of attack cycle.
synthesisEngine.sleepUntil(time + 0.1);
assertTrue(envelope.output.getValue() > 0.8, "at peak");
// Check end of decay cycle.
synthesisEngine.sleepUntil(time + 0.3);
assertTrue(envelope.output.getValue() < 0.1, "at peak");
}
@Test
public void testRetrigger() throws InterruptedException {
var envelope = new EnvelopeAttackDecay();
synthesisEngine.add(envelope);
envelope.attack.set(0.1);
envelope.decay.set(0.2);
synthesisEngine.start();
envelope.start();
time = synthesisEngine.getCurrentTime();
synthesisEngine.sleepUntil(time + 0.1);
assertEquals(0.0, envelope.output.getValue(), "still idling");
// Trigger the envelope using trigger()
envelope.input.trigger();
// Check end of attack cycle.
synthesisEngine.sleepFor(0.1);
assertEquals(1.0, envelope.output.getValue(), 0.1, "at peak");
// Decay half way.
synthesisEngine.sleepFor(0.1);
assertTrue(envelope.output.getValue() < 0.7, "at peak");
// Retrigger while decaying
envelope.input.trigger();
// Will get to top faster.
synthesisEngine.sleepFor(0.1);
assertEquals(1.0, envelope.output.getValue(), 0.1, "at peak");
// Check end of decay cycle.
synthesisEngine.sleepFor(0.2);
assertTrue(envelope.output.getValue() < 0.1, "at peak");
}
@Test
public void testAutoDisable() throws InterruptedException {
var ramp = new LinearRamp();
synthesisEngine.add(ramp);
var envelope = new EnvelopeAttackDecay();
envelope.attack.set(0.1);
envelope.decay.set(0.1);
synthesisEngine.add(envelope);
ramp.output.connect(envelope.amplitude);
checkAutoDisable(ramp, envelope);
}
}
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