68 lines
2.8 KiB
Java
68 lines
2.8 KiB
Java
/*
|
|
* Copyright (c) 2001, 2017, 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 4395378
|
|
* @summary Checks that ImageIO.createImageInputStream and
|
|
* createImageOutputStream produce correct output when given a
|
|
* RandomAccessFile
|
|
*/
|
|
|
|
import java.io.File;
|
|
import java.io.IOException;
|
|
import java.io.RandomAccessFile;
|
|
|
|
import javax.imageio.ImageIO;
|
|
import javax.imageio.stream.FileImageInputStream;
|
|
import javax.imageio.stream.FileImageOutputStream;
|
|
import javax.imageio.stream.ImageInputStream;
|
|
import javax.imageio.stream.ImageOutputStream;
|
|
|
|
public class ImageStreamFromRAF {
|
|
|
|
public static void main(String[] args) {
|
|
try {
|
|
File f = new File("ImageInputStreamFromRAF.tmp");
|
|
RandomAccessFile raf = new RandomAccessFile(f, "rw");
|
|
ImageInputStream istream = ImageIO.createImageInputStream(raf);
|
|
ImageOutputStream ostream = ImageIO.createImageOutputStream(raf);
|
|
f.delete();
|
|
if (istream == null) {
|
|
throw new RuntimeException("ImageIO.createImageInputStream(RandomAccessFile) returned null!");
|
|
}
|
|
if (ostream == null) {
|
|
throw new RuntimeException("ImageIO.createImageOutputStream(RandomAccessFile) returned null!");
|
|
}
|
|
if (!(istream instanceof FileImageInputStream)) {
|
|
throw new RuntimeException("ImageIO.createImageInputStream(RandomAccessFile) did not return a FileImageInputStream!");
|
|
}
|
|
if (!(ostream instanceof FileImageOutputStream)) {
|
|
throw new RuntimeException("ImageIO.createImageOutputStream(RandomAccessFile) did not return a FileImageOutputStream!");
|
|
}
|
|
} catch (IOException ioe) {
|
|
throw new RuntimeException("Unexpected IOException: " + ioe);
|
|
}
|
|
}
|
|
}
|