}
@Test
@SuppressWarnings("rawtypes")
public void testQuads() throws Exception {
Tuple4 j = Tuple4.of("a", "b", "c", "d");
Text[] t = new Text[] { new Text("a"), new Text("b"), new Text("c"), new Text("d"), };
TupleWritable w = new TupleWritable(t);
WritableType<?, ?> wt = Writables.quads(Writables.strings(), Writables.strings(), Writables.strings(),
Writables.strings());
testInputOutputFn(wt, j, w);