@Test
public void testTypeExtractionTupleAnonymous() {

	TypeInformation<Tuple2<byte[], byte[]>> type = new AbstractDeserializationSchema<Tuple2<byte[], byte[]>>() {
		@Override
		public Tuple2<byte[], byte[]> deserialize(byte[] message) throws IOException {
			throw new UnsupportedOperationException();
		}
	}.getProducedType();
	TypeInformation<Tuple2<byte[], byte[]>> expected = TypeInformation.of(new TypeHint<Tuple2<byte[], byte[]>>(){});
	assertEquals(expected, type);
}