@Test
	public void testReadBigDecimal() throws Exception {
		BigDecimal bd = new BigDecimal("424.3");
		assertEquals(bd, tuple.getBigDecimal(8));
		assertEquals(bd, tuple.getBigDecimal("Double"));
	}
This is a port of the FieldSet tests from Spring Batch
spring-xd-tuple/src/test/java/org/springframework/xd/tuple/DefaultTupleTestForBatch.java