def test_shrink_dict():
sa = SparseArray([3, 2, 0, 0, 7, 2, 3, 0, 4])
sa.values = sa._shrink_dict(3)
assert sa.values == {0: 3, 1: 2, 3: 7, 4: 2, 5: 3, 7: 4}
def test_shrink_dict():
sa = SparseArray([3, 2, 0, 0, 7, 2, 3, 0, 4])
sa.values = sa._shrink_dict(3)
assert sa.values == {0: 3, 1: 2, 3: 7, 4: 2, 5: 3, 7: 4}