def test_basic_degree_0():
    d = 0
    knots = range(5)
    splines = bspline_basis_set(d, knots, x)
    for i in range(len(splines)):
        assert splines[i] == Piecewise((1, Interval(i, i + 1)
                                       .contains(x)), (0, True))
dataset/ETHPy150Open sympy/sympy/sympy/functions/special/tests/test_bsplines.py/test_basic_degree_0/original