/*
* Copyright (c) 2012, Harald Kuhr
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name "TwelveMonkeys" nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.twlevemonkeys.image;
import com.twelvemonkeys.image.MappedFileBuffer;
import org.junit.Test;
import java.awt.image.DataBuffer;
import java.io.IOException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
/**
* MappedFileBufferTest
*
* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
* @author last modified by $Author: haraldk$
* @version $Id: MappedFileBufferTest.java,v 1.0 01.06.12 14:23 haraldk Exp$
*/
public class MappedFileBufferTest {
@Test(expected = IllegalArgumentException.class)
public void testCreateInvalidType() throws IOException {
MappedFileBuffer.create(-1, 1, 1);
}
@Test(expected = IllegalArgumentException.class)
public void testCreateInvalidSize() throws IOException {
MappedFileBuffer.create(DataBuffer.TYPE_USHORT, -1, 1);
}
@Test(expected = IllegalArgumentException.class)
public void testCreateInvalidBands() throws IOException {
MappedFileBuffer.create(DataBuffer.TYPE_BYTE, 1, -1);
}
@Test
public void testCreateByte() throws IOException {
DataBuffer buffer = MappedFileBuffer.create(DataBuffer.TYPE_BYTE, 256, 3);
assertNotNull(buffer);
assertEquals(DataBuffer.TYPE_BYTE, buffer.getDataType());
assertEquals(256, buffer.getSize());
assertEquals(3, buffer.getNumBanks());
}
@Test
public void testSetGetElemByte() throws IOException {
final int size = 256;
DataBuffer buffer = MappedFileBuffer.create(DataBuffer.TYPE_BYTE, size, 3);
assertNotNull(buffer);
for (int b = 0; b < 3; b++) {
for (int i = 0; i < size; i++) {
buffer.setElem(b, i, i);
assertEquals(i, buffer.getElem(b, i));
}
}
}
@Test
public void testCreateUShort() throws IOException {
DataBuffer buffer = MappedFileBuffer.create(DataBuffer.TYPE_USHORT, 256, 3);
assertNotNull(buffer);
assertEquals(DataBuffer.TYPE_USHORT, buffer.getDataType());
assertEquals(256, buffer.getSize());
assertEquals(3, buffer.getNumBanks());
}
@Test
public void testSetGetElemUShort() throws IOException {
final int size = (Short.MAX_VALUE + 1) * 2;
DataBuffer buffer = MappedFileBuffer.create(DataBuffer.TYPE_USHORT, size, 3);
assertNotNull(buffer);
for (int b = 0; b < 3; b++) {
for (int i = 0; i < size; i++) {
buffer.setElem(b, i, i);
assertEquals(i, buffer.getElem(b, i));
}
}
}
@Test
public void testCreateInt() throws IOException {
DataBuffer buffer = MappedFileBuffer.create(DataBuffer.TYPE_INT, 256, 3);
assertNotNull(buffer);
assertEquals(DataBuffer.TYPE_INT, buffer.getDataType());
assertEquals(256, buffer.getSize());
assertEquals(3, buffer.getNumBanks());
}
@Test
public void testSetGetElemInt() throws IOException {
final int size = (Short.MAX_VALUE + 1) * 2;
DataBuffer buffer = MappedFileBuffer.create(DataBuffer.TYPE_INT, size, 3);
assertNotNull(buffer);
for (int b = 0; b < 3; b++) {
for (int i = 0; i < size; i++) {
buffer.setElem(b, i, i * i);
assertEquals(i * i, buffer.getElem(b, i));
}
}
}
}