@Test
public void testEmptyList() throws Exception {

	DataSet<Long> dataset = env.fromCollection(Collections.emptyList(), TypeInformation.of(new TypeHint<Long>(){}));
	Checksum checksum = new ChecksumHashCode<Long>().run(dataset).execute();
	assertEquals(0, checksum.getCount());
	assertEquals(0, checksum.getChecksum());
}