def METHOD_NAME(self):
    p0 = np.array([0, 0, 0])
    p1 = np.array([3, 0, 0])
    v0 = np.array([3, 3, 0])
    v1 = np.array([3, 3, 0])
    curve = SvBezierCurve.from_points_and_tangents(p0, v0, v1, p1)
    v0r = curve.tangent(0)
    v1r = curve.tangent(1)
    self.assert_numpy_arrays_equal(v0r, v0)
    self.assert_numpy_arrays_equal(v1r, v1)