Method testKeySet

test/org/apache/pig/test/TestBuiltin.java:2925–2943

()

    }

    @Test
    public void testKeySet() throws Exception {
        Map<String, Object> m = new HashMap<String, Object>();
        m.put("open", "apache");
        m.put("1", "hadoop");
        m.put("source", "code");
        Tuple input = TupleFactory.getInstance().newTuple(m);

        KEYSET keySet = new KEYSET();
        DataBag result = keySet.exec(input);
        Iterator<Tuple> i = result.iterator();
        assertEquals(result.size(), m.size());

        while(i.hasNext()) {
            Tuple t = i.next();
            assertTrue(m.containsKey((String)t.get(0)));
        }

    }

    @SuppressWarnings("unchecked")
    @Test