@Test
public void isEmptyTest() {

	List<String> nameColl = Lists.newArrayList("foo", "bar");
	assertFalse(TradingUtils.isEmpty(nameColl));
	nameColl.clear();
	assertTrue(TradingUtils.isEmpty(nameColl));
	nameColl = null;
	assertTrue(TradingUtils.isEmpty(nameColl));
	Map<Integer, String> idNameMap = Maps.newHashMap();
	idNameMap.put(1, "foobar");
	assertFalse(TradingUtils.isEmpty(idNameMap));
	idNameMap.remove(1);
	assertTrue(TradingUtils.isEmpty(idNameMap));
	idNameMap = null;
	assertTrue(TradingUtils.isEmpty(idNameMap));
}