@Test
	public void testAddDefinedData() throws CodeUnitInsertionException {
		try (Transaction tx = b.startTransaction()) {
			b.addData(0, b.addr(0x4000), IntegerDataType.dataType, b.buf(1, 2, 3, 4));
		}
	}
A dorked string type which ignores the maxLength parameter
Ghidra/Debug/Framework-TraceModeling/src/test/java/ghidra/trace/database/listing/DBTraceCodeManagerTest.java