def test_SymmetricDifference():
assert (SymmetricDifference(FiniteSet(0, 1, 2, 3, 4, 5),
FiniteSet(2, 4, 6, 8, 10)) == FiniteSet(
0, 1, 3, 5, 6, 8, 10))
assert (SymmetricDifference(FiniteSet(2, 3, 4),
FiniteSet(2, 3, 4, 5)) == FiniteSet(5))
assert FiniteSet(2).symmetric_difference(FiniteSet(2, 5)) == FiniteSet(5)
assert (FiniteSet(1, 2, 3, 4, 5) ^ FiniteSet(1, 2, 5, 6) == FiniteSet(
3, 4, 6))
assert (Set(Integer(1), Integer(2), Integer(3))
^ Set(Integer(2), Integer(3), Integer(4)) == Union(
Set(Integer(1), Integer(2), Integer(3)) -
Set(Integer(2), Integer(3), Integer(4)),
Set(Integer(2), Integer(3), Integer(4)) -
Set(Integer(1), Integer(2), Integer(3))))
assert (Interval(0, 4) ^ Interval(2, 5) == Union(
Interval(0, 4) - Interval(2, 5),
Interval(2, 5) - Interval(0, 4)))
class TestSet(Set):
def _symmetric_difference(self, other):
return
t1, t2 = TestSet(1), TestSet(2)
assert t1.symmetric_difference(t2) == SymmetricDifference(t1,
t2,
evaluate=False)
def test_SymmetricDifference():
assert (SymmetricDifference(FiniteSet(0, 1, 2, 3, 4, 5),
FiniteSet(2, 4, 6, 8, 10)) == FiniteSet(
0, 1, 3, 5, 6, 8, 10))
assert (SymmetricDifference(FiniteSet(2, 3, 4),
FiniteSet(2, 3, 4, 5)) == FiniteSet(5))
assert (FiniteSet(1, 2, 3, 4, 5) ^ FiniteSet(1, 2, 5, 6) == FiniteSet(
3, 4, 6))
assert (Set(1, 2, 3) ^ Set(2, 3, 4) == Union(
Set(1, 2, 3) - Set(2, 3, 4),
Set(2, 3, 4) - Set(1, 2, 3)))
assert (Interval(0, 4) ^ Interval(2, 5) == Union(
Interval(0, 4) - Interval(2, 5),
Interval(2, 5) - Interval(0, 4)))
def test_SymmetricDifference():
assert str(SymmetricDifference(Interval(2, 3), Interval(3, 4), evaluate=False)) == \
'SymmetricDifference([2, 3], [3, 4])'