private void testFormat(String format) {
ImageReader reader = ImageIO.getImageReadersByFormatName(format).next();
ImageWriter writer = ImageIO.getImageWritersByFormatName(format).next();
assertEquals(
"getImageReader() returns an incorrect reader for " + format,
ImageIO.getImageReader(writer).getClass(),
reader.getClass());
assertEquals(
"getImageWriter() returns an incorrect writer for " + format,
ImageIO.getImageWriter(reader).getClass(),
writer.getClass());
}
