def test_same_reference():
a = [1, 2, 3, 4]
b = a
# shallow copy (do not change original), alternatively use the copy module
c = a[:]
assert check_equality(a, b) == Equality.SAME_REFERENCE
assert check_equality(a, c) != Equality.SAME_REFERENCE
def test_not_same():
a = [1, 2, 3]
b = [4, 5, 6]
assert check_equality(a, b) == Equality.NO_EQUALITY
def test_same_unordered():
a = [1, 2, 3, 4]
b = a[::-1]
c = b[:] + [5]
assert check_equality(a, b) == Equality.SAME_UNORDERED
assert check_equality(a, c) != Equality.SAME_UNORDERED
def test_same_unordered_deduped():
a = [1, 2, 2, 3, 4]
b = a[:] + [1, 3, 4, 4]
c = b[:] + [5]
assert check_equality(a, b) == Equality.SAME_UNORDERED_DEDUPED
assert check_equality(a, c) != Equality.SAME_UNORDERED_DEDUPED
def test_same_ordered():
a = [1, 2, 3, 4]
b = a[:]
c = a
assert check_equality(a, b) == Equality.SAME_ORDERED
assert check_equality(a, c) != Equality.SAME_ORDERED # SAME_REFERENCE