LandsatGeotiffReaderPlugin implements ProductReaderPlugIn { @Override public String[] getDefaultFileExtensions() { return DEFAULT_FILE_EXTENSIONS; }  @Override DecodeQualification getDecodeQualification(Object input); @Override Class[] getInputTypes(); @Override ProductReader createReaderInstance(); @Override String[] getFormatNames(); @Override String[] getDefaultFileExtensions(); @Override String getDescription(Locale locale); @Override SnapFileFilter getProductFileFilter();  }
@Test public void testGetDefaultFileExtensions() throws Exception { assertArrayEquals(new String[]{".txt", ".TXT", ".gz", ".tgz"}, plugin.getDefaultFileExtensions()); }