@Test
public void testByteConstructorNegative() {

	UInt64 c = new UInt64(-1L);
	assertEquals(-1L, c.getData());
	assertEquals("{\"data\":18446744073709551615}", c.toString());
	assertEquals(1, c.toJsonObject().size());
	assertEquals(
			-1L,
			Primitive.toUInt64(c.toJsonObject()
					.getJsonNumber(UInt64.FIELD_DATA).bigIntegerValue()));
	assertEquals(UInt64.TYPE, c.getMessageType());
}