def test_angle(angle: float):
epsilon = 0.0001
x = math.cos(math.radians(angle))
y = math.sin(math.radians(angle))
ls = LineSegment(Point(0, 0), Point(x, y))
assert abs(ls.angle() - angle) < epsilon
def test_line_segment_angle_180():
line_segment = LineSegment(Point(0, 0), Point(-1, 0))
assert line_segment.angle() == 180
def test_line_segment_angle_boundaries(x1, y1, x2, y2):
line_segment = LineSegment(Point(x1, y1), Point(x2, y2))
assert 0 <= line_segment.angle() < 360
def test_line_segment_angle_zero():
line_segment = LineSegment(Point(0, 0), Point(1, 0))
assert line_segment.angle() == 0