1 files changed, 126 insertions, 0 deletions
diff --git a/tests/com/jsyn/unitgen/TestEnvelopeAttackDecay.java b/tests/com/jsyn/unitgen/TestEnvelopeAttackDecay.java
new file mode 100644
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--- /dev/null
+++ b/tests/com/jsyn/unitgen/TestEnvelopeAttackDecay.java
@@ -0,0 +1,126 @@
+/*
+ * 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;
+
+public class TestEnvelopeAttackDecay extends TestUnitGate {
+    double attackTime;
+    double decayTime;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        synthesisEngine = new SynthesisEngine();
+        synthesisEngine.setRealTime(false);
+        attackTime = 0.2;
+        decayTime = 0.4;
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        super.tearDown();
+        synthesisEngine.stop();
+    }
+
+    public void testOnOff() throws InterruptedException {
+        EnvelopeAttackDecay 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("still idling", 0.0, envelope.output.getValue());
+
+        // Trigger the envelope using on/off
+        envelope.input.on();
+        time = synthesisEngine.getCurrentTime();
+        // Check end of attack cycle.
+        synthesisEngine.sleepUntil(time + 0.1);
+        assertTrue("at peak", (envelope.output.getValue() > 0.8));
+        envelope.input.off();
+        // Check end of decay cycle.
+        synthesisEngine.sleepUntil(time + 0.3);
+        assertTrue("at peak", (envelope.output.getValue() < 0.1));
+
+        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("at peak", (envelope.output.getValue() > 0.8));
+        // Check end of decay cycle.
+        synthesisEngine.sleepUntil(time + 0.3);
+        assertTrue("at peak", (envelope.output.getValue() < 0.1));
+
+    }
+
+    public void testRetrigger() throws InterruptedException {
+        EnvelopeAttackDecay 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("still idling", 0.0, envelope.output.getValue());
+
+        // Trigger the envelope using trigger()
+        envelope.input.trigger();
+        // Check end of attack cycle.
+        synthesisEngine.sleepFor(0.1);
+        assertEquals("at peak", 1.0, envelope.output.getValue(), 0.1);
+
+        // Decay half way.
+        synthesisEngine.sleepFor(0.1);
+        assertTrue("at peak", (envelope.output.getValue() < 0.7));
+
+        // Retrigger while decaying
+        envelope.input.trigger();
+        // Will get to top faster.
+        synthesisEngine.sleepFor(0.1);
+        assertEquals("at peak", 1.0, envelope.output.getValue(), 0.1);
+
+        // Check end of decay cycle.
+        synthesisEngine.sleepFor(0.2);
+        assertTrue("at peak", (envelope.output.getValue() < 0.1));
+
+    }
+
+    public void testAutoDisable() throws InterruptedException {
+
+        LinearRamp ramp = new LinearRamp();
+        synthesisEngine.add(ramp);
+        EnvelopeAttackDecay envelope = new EnvelopeAttackDecay();
+        envelope.attack.set(0.1);
+        envelope.decay.set(0.1);
+        synthesisEngine.add(envelope);
+        ramp.output.connect(envelope.amplitude);
+
+        checkAutoDisable(ramp, envelope);
+
+    }
+}