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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.util;
import junit.framework.TestCase;
import com.jsyn.instruments.SubtractiveSynthVoice;
import com.jsyn.unitgen.UnitVoice;
public class TestVoiceAllocator extends TestCase {
VoiceAllocator allocator;
int max = 4;
private UnitVoice[] voices;
@Override
protected void setUp() throws Exception {
super.setUp();
voices = new UnitVoice[max];
for (int i = 0; i < max; i++) {
voices[i] = new SubtractiveSynthVoice();
}
allocator = new VoiceAllocator(voices);
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
}
public void testAllocation() {
assertEquals("get max", max, allocator.getVoiceCount());
int tag1 = 61;
int tag2 = 62;
int tag3 = 63;
int tag4 = 64;
int tag5 = 65;
int tag6 = 66;
UnitVoice voice1 = allocator.allocate(tag1);
assertTrue("voice should be non-null", (voice1 != null));
UnitVoice voice2 = allocator.allocate(tag2);
assertTrue("voice should be non-null", (voice2 != null));
assertTrue("new voice ", (voice2 != voice1));
UnitVoice voice = allocator.allocate(tag1);
assertTrue("should be voice1 again ", (voice == voice1));
voice = allocator.allocate(tag2);
assertTrue("should be voice2 again ", (voice == voice2));
UnitVoice voice3 = allocator.allocate(tag3);
@SuppressWarnings("unused")
UnitVoice voice4 = allocator.allocate(tag4);
UnitVoice voice5 = allocator.allocate(tag5);
assertTrue("ran out so get voice1 as oldest", (voice5 == voice1));
voice = allocator.allocate(tag2);
assertTrue("should be voice2 again ", (voice == voice2));
// Now voice 3 should be the oldest cuz voice 2 was touched.
UnitVoice voice6 = allocator.allocate(tag6);
assertTrue("ran out so get voice3 as oldest", (voice6 == voice3));
}
public void testOff() {
int tag1 = 61;
int tag2 = 62;
int tag3 = 63;
int tag4 = 64;
int tag5 = 65;
int tag6 = 66;
UnitVoice voice1 = allocator.allocate(tag1);
UnitVoice voice2 = allocator.allocate(tag2);
UnitVoice voice3 = allocator.allocate(tag3);
UnitVoice voice4 = allocator.allocate(tag4);
assertTrue("voice 3 should start on", allocator.isOn(tag3));
allocator.off(tag3);
assertEquals("voice 3 should now be off", false, allocator.isOn(tag3));
allocator.off(tag2);
UnitVoice voice5 = allocator.allocate(tag5);
assertTrue("should get voice3 cuz off first", (voice5 == voice3));
UnitVoice voice6 = allocator.allocate(tag6);
assertTrue("should get voice2 cuz off second", (voice6 == voice2));
voice3 = allocator.allocate(tag3);
assertTrue("should get voice1 cuz on first", (voice3 == voice1));
voice1 = allocator.allocate(tag1);
assertTrue("should get voice4 cuz next up", (voice1 == voice4));
}
}
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