/*
* #%L
* BSD implementations of Bio-Formats readers and writers
* %%
* Copyright (C) 2005 - 2015 Open Microscopy Environment:
* - Board of Regents of the University of Wisconsin-Madison
* - Glencoe Software, Inc.
* - University of Dundee
* %%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
*
* 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 HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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*/
package loci.formats.utests.tiff;
import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertFalse;
import static org.testng.AssertJUnit.assertTrue;
import java.io.IOException;
import loci.common.ByteArrayHandle;
import loci.common.RandomAccessInputStream;
import loci.common.RandomAccessOutputStream;
import loci.formats.FormatException;
import loci.formats.tiff.IFD;
import loci.formats.tiff.TiffParser;
import loci.formats.tiff.TiffSaver;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
/**
*
* @author callan
*/
public class TiffSaverTest {
private RandomAccessOutputStream out;
private RandomAccessInputStream in;
private TiffSaver tiffSaver;
private TiffParser tiffParser;
private IFD ifd;
private static final int INITIAL_CAPACITY = 1024 * 1024; // 1MB
@BeforeMethod
public void setUp() throws IOException {
ByteArrayHandle handle = new ByteArrayHandle(INITIAL_CAPACITY);
out = new RandomAccessOutputStream(handle);
in = new RandomAccessInputStream(handle);
tiffSaver = new TiffSaver(out, handle);
tiffParser = new TiffParser(in);
ifd = new IFD();
ifd.putIFDValue(IFD.IMAGE_WIDTH, 512);
ifd.putIFDValue(IFD.IMAGE_DESCRIPTION, "comment");
}
@Test(expectedExceptions={ IllegalArgumentException.class })
public void testNullOutputStream() throws IOException {
RandomAccessOutputStream a = null;
String b = null;
tiffSaver = new TiffSaver(a, b);
tiffSaver.writeHeader();
}
@Test(expectedExceptions={ IllegalArgumentException.class })
public void testNullFilename() throws IOException {
RandomAccessOutputStream a =
new RandomAccessOutputStream(new ByteArrayHandle());
String b = null;
tiffSaver = new TiffSaver(a, b);
tiffSaver.writeHeader();
}
@Test(expectedExceptions={ IllegalArgumentException.class })
public void testNullBytes() throws IOException {
RandomAccessOutputStream a =
new RandomAccessOutputStream(new ByteArrayHandle());
ByteArrayHandle b = null;
tiffSaver = new TiffSaver(a, b);
tiffSaver.writeHeader();
}
@Test
public void testWriteHeaderBigEndianRegularTiff() throws IOException {
tiffSaver.writeHeader();
assertTrue(tiffParser.isValidHeader());
assertFalse(tiffParser.checkHeader());
assertFalse(tiffParser.isBigTiff());
}
@Test
public void testWriteHeaderLittleEndianRegularTiff() throws IOException {
tiffSaver.setLittleEndian(true);
tiffSaver.writeHeader();
assertTrue(tiffParser.isValidHeader());
assertTrue(tiffParser.checkHeader());
assertFalse(tiffParser.isBigTiff());
}
@Test
public void testWriteHeaderBigEndianBigTiff() throws IOException {
tiffSaver.setLittleEndian(false);
tiffSaver.setBigTiff(true);
tiffSaver.writeHeader();
assertTrue(tiffParser.isValidHeader());
assertFalse(tiffParser.checkHeader());
assertTrue(tiffParser.isBigTiff());
}
@Test
public void testWriteHeaderLittleEndianBigTiff() throws IOException {
tiffSaver.setLittleEndian(true);
tiffSaver.setBigTiff(true);
tiffSaver.writeHeader();
assertTrue(tiffParser.isValidHeader());
assertTrue(tiffParser.checkHeader());
assertTrue(tiffParser.isBigTiff());
}
@Test
public void testOverwriteIFDValue() throws FormatException, IOException {
out.seek(0);
tiffSaver.setBigTiff(false);
tiffSaver.writeHeader();
tiffSaver.writeIFD(ifd, 0);
tiffSaver.overwriteIFDValue(in, 0, IFD.IMAGE_WIDTH, 1024);
assertEquals(1024, tiffParser.getFirstIFD().getImageWidth());
}
@Test
public void testOverwriteComment() throws FormatException, IOException {
out.seek(0);
tiffSaver.writeHeader();
tiffSaver.writeIFD(ifd, 0);
tiffSaver.overwriteComment(in, "new comment");
assertTrue("new comment".equals(tiffParser.getComment()));
}
}