### Question:
ISOFieldPackager { public void setPad(boolean pad) { this.pad = pad; } ISOFieldPackager();  ISOFieldPackager(int len, String description); String getDescription(); void setDescription(String description); int getLength(); void setLength(int len); void setPad(boolean pad); void setTrim(boolean trim); abstract int getMaxPackedLength(); ISOComponent createComponent(int fieldNumber); abstract byte[] pack(ISOComponent c); abstract int unpack(ISOComponent c, byte[] b, int offset); void unpack(ISOComponent c, InputStream in); void pack(ISOComponent c, ObjectOutput out);  }### Answer:
@Test public void testSetPad() throws Throwable { ISOFieldPackager iFA_BINARY = new IFA_BINARY(100, "testISOFieldPackagerDescription"); iFA_BINARY.setPad(true); assertTrue(((IFA_BINARY) iFA_BINARY).pad, "(IFA_BINARY) iFA_BINARY.pad"); }