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