import mtl


def test_eval_regression_smoke1():
    """From issue #215"""
    d2 = {
        'a': [
            (0, True), (1, True), (3, True), (4, True), (5, False), (6, True)
        ],
        'b': [(0, False), (3, True)],
    }
    f2 = mtl.parse('(a U[0,3] b)')
    f2(d2, quantitative=False)


def test_eval_regression_next_neg():
    """From issue #219"""
    d = {"a": [(0, False), (1, True)]}
    f = mtl.parse("(a & (X (~a)))")
    v = f(d, quantitative=False, dt=1, time=None)
    assert not f(d, quantitative=False, dt=1)
    assert min(t for t, _ in v) >= 0


def test_eval_regression_until_start():
    """From issue #221"""
    x = {
        "ap1": [(0, True), (0.1, True), (0.2, False)],
    }

    phi = (mtl.parse("(X TRUE W X TRUE)"))
    phi(x, 0, quantitative=False)