def test_identity(self):
i1, i2, i3, i4 = P.closed(0, 1), P.openclosed(0, 1), P.closedopen(0, 1), P.open(0, 1)
assert P.from_data(P.to_data(i2)) == i2
assert P.from_data(P.to_data(i3)) == i3
assert P.from_data(P.to_data(i4)) == i4
assert P.from_data(P.to_data(i1)) == i1
def test_open_intervals(self):
assert P.from_data([(P.OPEN, float('-inf'), float('inf'), P.OPEN)
]) == P.open(-P.inf, P.inf)
assert P.from_data([(P.OPEN, float('-inf'), 0, P.CLOSED)
]) == P.openclosed(-P.inf, 0)
assert P.from_data([(P.CLOSED, 0, float('inf'), P.OPEN)
]) == P.closedopen(0, P.inf)
def interval(t):
return P.from_data([(True, i[0], i[1], True) for i in t])
def test_parameters(self):
d = [(P.OPEN, 'lowest', '4', P.CLOSED), (P.CLOSED, '6', 'highest', P.OPEN)]
assert P.from_data(d, conv=int, pinf='highest', ninf='lowest') == P.openclosed(-P.inf, 4) | P.closedopen(6, P.inf)
def test_unions(self):
d = [(P.OPEN, float('-inf'), 4, P.CLOSED), (P.CLOSED, 6, float('inf'), P.OPEN)]
assert P.from_data(d) == P.openclosed(-P.inf, 4) | P.closedopen(6, P.inf)
def test_empty_interval(self):
assert P.from_data([(P.OPEN, float('inf'), float('-inf'), P.OPEN)]) == P.empty()
def test_singleton(self):
assert P.from_data([(P.CLOSED, 0, 0, P.CLOSED)]) == P.singleton(0)
def test_values(self):
assert P.from_data([(P.CLOSED, 'a', 'b', P.CLOSED)]) == P.closed('a', 'b')
assert P.from_data([(P.CLOSED, (0,), (1,), P.CLOSED)]) == P.closed(tuple([0]), tuple([1]))
def test_bounds(self):
assert P.from_data([(P.CLOSED, 0, 1, P.CLOSED)]) == P.closed(0, 1)
assert P.from_data([(P.OPEN, 0, 1, P.CLOSED)]) == P.openclosed(0, 1)
assert P.from_data([(P.CLOSED, 0, 1, P.OPEN)]) == P.closedopen(0, 1)
assert P.from_data([(P.OPEN, 0, 1, P.OPEN)]) == P.open(0, 1)
