def test_clear():
'test clear()'
oc = OrderedCollection(range(4))
oc.clear()
assert len(oc) == 0
assert oc._elems == [] # there should be no None's
assert oc._d_index == {}
assert oc.dtype is int
with raises(TypeError):
oc += 1.0
def test_clear():
'test clear()'
oc = OrderedCollection(range(4))
oc.clear()
assert len(oc) == 0
assert oc._elems == [] # there should be no None's
assert oc._d_index == {}
assert oc.dtype is int
with raises(TypeError):
oc += 1.0
