@Test
public void testUnpackThrowsISOException() throws Throwable {
CTCSubFieldPackager cTCSubFieldPackager = new CTCSubFieldPackager();
ISOFieldPackager[] fld = new ISOFieldPackager[6];
fld[0] = new IFA_LLLLCHAR(100, "testCTCSubFieldPackagerDescription");
cTCSubFieldPackager.setFieldPackager(fld);
byte[] b = new byte[4];
try {
cTCSubFieldPackager.unpack(new ISOField(), b);
fail("Expected ISOException to be thrown");