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/*
* Copyright (c) 2004, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4958271 8160943
* @summary This test verifies that ImageReader.readAll() method is able to read
* all the thumbnails present in the input source without throwing any
* exception while reading through Jpeg data.
* @run main ReadAllThumbnailsTest
*/
import java.util.Iterator;
import java.io.File;
import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.stream.ImageInputStream;
public class ReadAllThumbnailsTest {
public ReadAllThumbnailsTest() {
try {
ImageReader reader = null;
String fileName = "thumbimg.jpg";
String sep = System.getProperty("file.separator");
String dir = System.getProperty("test.src", ".");
String filePath = dir+sep+fileName;
System.out.println("Test file: " + filePath);
File f = new File(filePath);
ImageInputStream iis = ImageIO.createImageInputStream(f);
Iterator readerIt = ImageIO.getImageReaders(iis);
if (readerIt.hasNext()) {
reader = (ImageReader) readerIt.next();
}
if (reader == null) {
error("FAIL: Reader is not available for reading a " +
"JPG image with thumbnails. Test Aborted !!");
}
reader.setInput(iis);
if (!reader.readerSupportsThumbnails()) {
error("FAIL: JPG Reader fails to support thumbnails."
+ " Test aborted !!");
}
int numThumbnails = reader.getNumThumbnails(0);
if (numThumbnails <= 0) {
error(" FAIL: Reader.getNumThumbnails() returns 0 when the " +
"input image contains some thumbnails");
}
IIOImage iioImg = reader.readAll(0, null);
int thumbnailsRead = iioImg.getNumThumbnails();
if (numThumbnails == thumbnailsRead) {
System.out.println("PASS: Thumbnails are read properly by"
+ " ImageReader.readAll(index, readParam) ");
} else {
error("FAIL: Some of the thumbnails are not read" +
" from the input source when calling" +
" ImageReader.readAll(index, readParam) ");
}
iis = ImageIO.createImageInputStream(f);
reader.setInput(iis);
iioImg = null;
Iterator imgIter = reader.readAll(null);
if (imgIter.hasNext()) {
iioImg = (IIOImage) imgIter.next();
thumbnailsRead = iioImg.getNumThumbnails();
if (numThumbnails == thumbnailsRead) {
System.out.println("PASS: Thumbnails are read properly by"
+ " ImageReader.readAll(Iter)");
} else {
error("FAIL: Some of the thumbnails are not read " +
"from the input source when calling"
+ " ImageReader.readAll(Iter)");
}
} else {
error("FAIL: ImageReader.readAll(Iter) fails to read the image"
+ " & thumbnails from the input source");
}
} catch (Exception e) {
error(" FAIL: The following exception is thrown by " +
"ImageReader.readAll() method when input source contains " +
"some thumbnails. Exception: " + e.toString());
}
}
public final void error(String mesg) {
throw new RuntimeException(mesg);
}
public static void main(String args[]) {
ReadAllThumbnailsTest test = new ReadAllThumbnailsTest();
}
}
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