public void testGetReaderFormatNames() {
Set<String> expectedFormatNames =
new HashSet<String>(
Arrays.asList(new String[] {"JPG", "jpg", "GIF", "gif", "JPEG", "jpeg", "PNG", "png"}));
Set<String> actualFormatNames =
new HashSet<String>(Arrays.asList(ImageIO.getReaderFormatNames()));
assertTrue(actualFormatNames.containsAll(expectedFormatNames));
}
