/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package javax.imageio.spi;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import junit.framework.TestCase;
public class ImageReaderSpiTest extends TestCase {
private void testIsOwnReader(String format1, String format2) throws Exception {
ImageReader reader1 = ImageIO.getImageReadersByFormatName(format1).next();
ImageReaderSpi readerSpi1 = reader1.getOriginatingProvider();
ImageReader reader2 = ImageIO.getImageReadersByFormatName(format2).next();
ImageReaderSpi readerSpi2 = reader2.getOriginatingProvider();
assertTrue(readerSpi1.isOwnReader(reader1));
assertTrue(readerSpi2.isOwnReader(reader2));
assertFalse(readerSpi1.isOwnReader(reader2));
assertFalse(readerSpi2.isOwnReader(reader1));
try {
readerSpi1.isOwnReader(null);
fail("IllegalArgumentException expected");
} catch (IllegalArgumentException expected){
// Ok
}
}
public void testJpegOwnReader() throws Exception {
testIsOwnReader("jpeg", "gif");
}
public void testGifOwnReader() throws Exception {
testIsOwnReader("gif", "png");
}
public void testPngOwnReader() throws Exception {
testIsOwnReader("png", "jpeg");
}
}