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/*
* Copyright (c) 2003, 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 4954545
* @summary This test verifies whether the ImageWriter implementations throw
* IllegalArgumentException when a null image is passed to the write
* method. This is tested for all the image writers available with the
* IIORegistry.
*/
import java.io.FileOutputStream;
import java.util.Iterator;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriter;
import javax.imageio.spi.IIORegistry;
import javax.imageio.spi.ImageWriterSpi;
import javax.imageio.stream.ImageOutputStream;
public class WriteNullImageTest {
public WriteNullImageTest() {
boolean testFailed = false;
String failMsg = "FAIL: IllegalArgumentException is not thrown by the " +
"ImageWriter when the image passed to the write() method is " +
"null, for the image formats: ";
try {
IIORegistry reg = IIORegistry.getDefaultInstance();
ImageWriter writer = null;
Iterator writerSpiIter = reg.getServiceProviders(ImageWriterSpi.class, true);
while (writerSpiIter.hasNext()) {
ImageWriterSpi writerSpi = (ImageWriterSpi) writerSpiIter.next();
writer = writerSpi.createWriterInstance();
String names[] = writerSpi.getFormatNames();
FileOutputStream fos = new FileOutputStream("temp");
ImageOutputStream ios = ImageIO.createImageOutputStream(fos);
writer.setOutput(ios);
try {
writer.write(null, null, null);
} catch (IllegalArgumentException iae) {
System.out.println("PASS: Expected exception is thrown when null img is passed " +
"to the write method, for the image format: " + names[0]);
System.out.println("\n");
} catch (Exception e) {
testFailed = true;
failMsg = failMsg + names[0] + ", ";
}
}
} catch (Exception e) {
testFailed = true;
throw new RuntimeException("Test Failed. Exception thrown: " + e.toString());
}
if (testFailed) {
failMsg = failMsg.substring(0, failMsg.lastIndexOf(","));
throw new RuntimeException(failMsg);
}
}
public static void main(String args[]) {
WriteNullImageTest test = new WriteNullImageTest();
}
}
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