def test_meets():
"""Test meets function used in LRB paper."""
spacetime_loc = Point(0.0, 0.0, 0.0, 0.0)
worldline_1_start = Point(-10.0, -10.0, -10.0, -10.0)
worldline_1_end = Point(10.0, 10.0, 10.0, 10.0)
worldline_2_start = Point(10.0, 10.0, 10.0, 10.0)
worldline_2_end = Point(-10.0, -10.0, -10.0, -10.0)
assert spacetime_loc.meets(
worldline_1_start, worldline_1_end, worldline_2_start, worldline_2_end)
