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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.data;
import junit.framework.TestCase;
/**
* @author Phil Burk, (C) 2009 Mobileer Inc
*/
public class TestShortSample extends TestCase {
@Override
protected void setUp() throws Exception {
super.setUp();
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
}
public void testBytes() {
byte[] bar = {
18, -3
};
short s = (short) ((bar[0] << 8) | (bar[1] & 0xFF));
assertEquals("A", 0x12FD, s);
}
public void testReadWrite() {
short[] data = {
123, 456, -789, 111, 20000, -32768, 32767, 0, 9876
};
ShortSample sample = new ShortSample(data.length, 1);
assertEquals("Sample numFrames", data.length, sample.getNumFrames());
// Write and read entire sample.
sample.write(data);
short[] buffer = new short[data.length];
sample.read(buffer);
for (int i = 0; i < data.length; i++) {
assertEquals("read = write", data[i], buffer[i]);
}
// Write and read part of an array.
short[] partial = {
333, 444, 555, 666, 777
};
sample.write(2, partial, 1, 3);
sample.read(1, buffer, 1, 5);
for (int i = 0; i < data.length; i++) {
if ((i >= 2) && (i <= 4)) {
assertEquals("partial", partial[i - 1], buffer[i]);
} else {
assertEquals("read = write", data[i], buffer[i]);
}
}
}
}
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