def test_segment_is_vertical():
p1 = wires.Point(0, 0)
p2 = wires.Point(1, 0)
p3 = wires.Point(0, 1)
s1 = wires.Segment(p1, p2)
s2 = wires.Segment(p1, p3)
assert s1.is_horizontal()
assert s2.is_vertical()
assert not s1.is_vertical()
assert not s2.is_horizontal()
def test_segment_intersection():
s1 = wires.Segment(wires.Point(-1, 0), wires.Point(1, 0))
s2 = wires.Segment(wires.Point(0, -1), wires.Point(0, 1))
s3 = wires.Segment(wires.Point(-1, 1), wires.Point(1, 1))
s4 = wires.Segment(wires.Point(0, 2), wires.Point(0, 3))
assert wires.Segment.intersection(s1, s2) == wires.Point(0, 0)
assert wires.Segment.intersection(s1, s3) == None
assert wires.Segment.intersection(s1, s4) == None
def test_segment_distance_to_point():
s1 = wires.Segment(wires.Point(-1, 0), wires.Point(1, 0))
s2 = wires.Segment(wires.Point(1, 0), wires.Point(1, 2))
p = wires.Path()
p.add_segment(s1)
p.add_segment(s2)
p1 = wires.Point(0, 0)
p2 = wires.Point(1, 1)
p3 = wires.Point(2, 0)
assert p.distance_to(p1) == 1
assert p.distance_to(p2) == 3
assert p.distance_to(p3) == 4
def test_segment_contains_point():
p1 = wires.Point(1, 0)
p2 = wires.Point(0, 1)
s1 = wires.Segment(wires.Point(-1, 0), wires.Point(1, 0))
s2 = wires.Segment(wires.Point(0, -1), wires.Point(0, 1))
assert s1.contains(p1)
assert s2.contains(p2)
assert not s1.contains(p2)
assert not s2.contains(p1)
def test_wire_intersection():
s1 = wires.Segment(wires.Point(-1, -1), wires.Point(-1, 2))
s2 = wires.Segment(wires.Point(-1, 2), wires.Point(1, 2))
s3 = wires.Segment(wires.Point(1, 2), wires.Point(1, -1))
s4 = wires.Segment(wires.Point(-2, 0), wires.Point(2, 0))
s5 = wires.Segment(wires.Point(0, -1), wires.Point(0, 0))
s6 = wires.Segment(wires.Point(0, 0), wires.Point(0, 1))
p1 = wires.Path()
p1.add_segment(s1)
p1.add_segment(s2)
p1.add_segment(s3)
p2 = wires.Path()
p2.add_segment(s4)
p3 = wires.Path()
p3.add_segment(s5)
p3.add_segment(s6)
i1 = wires.Path.intersection(p1, p2)
i2 = wires.Path.intersection(p1, p3)
assert wires.Path.intersection(
p1, p2) == [wires.Point(-1, 0), wires.Point(1, 0)]
assert i2 == []
def test_manhattan_distance():
p1 = wires.Point(0, 0)
p2 = wires.Point(1, 1)
assert wires.Point.manhattan_distance(p1, p2) == 2