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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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*
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* 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 ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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/*
* @ 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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