raFile.seek(0);
// Test COSString
out = new RandomAccessFileOutputStream(raFile);
out.setExpectedLength(new COSString("24"));
out.write(buffer);
assertEquals(48, out.getPosition());
assertEquals(16, out.getLength());
assertEquals(16, out.getLengthWritten());
assertEquals(new COSString("24"), out.getExpectedLength());
assertEquals(64, raFile.length());
assertEquals(64, raFile.getPosition());
out.close();
raFile.seek(0);