CeosFileReader { public int readB4() throws IOException, IllegalCeosFormatException { final long streamPosition = stream.getStreamPosition(); try { return stream.readInt(); } catch (IOException e) { final String message = String.format(CeosFileReader.EM_READING_X_TYPE, "B4"); throw new IllegalCeosFormatException(message, streamPosition, e); } } CeosFileReader(final ImageInputStream stream); void close(); void seek(final long pos); void skipBytes(final long numBytes); int readB1(); short readB2(); int readB4(); long readB8(); void readB4(final int[] array); void readB8(final long[] array); int readI4(); long readIn(final int n); void readB1(final byte[] array); double readFn(final int n); double readEn(final int n); double readGn(final int n); void readGn(final int n, final double[] numbers); String readAn(final int n); int[] readInArray(final int arraySize, final int intValLength); long getCurrentPos();  }
@Test public void testReadB4() throws IOException, IllegalCeosFormatException { final String prefix = "ß3534aß0uawemqw34mfavsdpvhaweföldv:"; final String suffix = "lfjldfkjvg45"; _ios.writeBytes(prefix); _ios.writeInt(7100); _ios.writeBytes(suffix); final CeosFileReader ceosReader = new CeosFileReader(_ios); ceosReader.seek(prefix.length()); assertEquals(7100, ceosReader.readB4()); }