toPut.put(new Object(), compData);
toPut.put(new Object(), compData2);
toPut.put(new Object(), compData3);
data.putAll(toPut);
Set keySet = data.keySet();
assertTrue("Key set should contain 3 elements", keySet.size() == 3);
assertTrue("Key set should contain index [value1, 2]",
keySet.contains(Arrays.asList(new Object[] { "value1", new Integer(2) })));
assertTrue("Key set should contain index [value1, 3]",
keySet.contains(Arrays.asList(new Object[] { "value1", new Integer(3) })));