def test_datetimeindex_union_join_empty(self): dti = DatetimeIndex(start="1/1/2001", end="2/1/2001", freq="D") empty = Index([]) result = dti.union(empty) self.assert_(isinstance(result, DatetimeIndex)) self.assert_(result is result) result = dti.join(empty) self.assert_(isinstance(result, DatetimeIndex))
def test_datetimeindex_union_join_empty(self): dti = DatetimeIndex(start='1/1/2001', end='2/1/2001', freq='D') empty = Index([]) result = dti.union(empty) tm.assertIsInstance(result, DatetimeIndex) self.assertIs(result, result) result = dti.join(empty) tm.assertIsInstance(result, DatetimeIndex)
def test_datetimeindex_union_join_empty(self): dti = DatetimeIndex(start='1/1/2001', end='2/1/2001', freq='D') empty = Index([]) result = dti.union(empty) assert isinstance(result, DatetimeIndex) assert result is result result = dti.join(empty) assert isinstance(result, DatetimeIndex)
def test_datetimeindex_union_join_empty(self): dti = DatetimeIndex(start='1/1/2001', end='2/1/2001', freq='D') empty = Index([]) result = dti.union(empty) assert isinstance(result, DatetimeIndex) self.assertIs(result, result) result = dti.join(empty) assert isinstance(result, DatetimeIndex)