Cepstral Pitch Tracker

    // An empty hypothesis should accept any estimate with a

    // non-negligible confidence, and enter provisional state

    NoteHypothesis h;

    NoteHypothesis::Estimate e; // default estimate has confidence 1

    BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::New);

    BOOST_CHECK(h.accept(e));

    BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional);

}

BOOST_AUTO_TEST_CASE(noConfidence)

{

    // A hypothesis should reject any estimate that has a negligible

    // confidence

    NoteHypothesis h;

    NoteHypothesis::Estimate e;

    e.confidence = 0;

    BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::New);

    BOOST_CHECK(!h.accept(e));

    BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Rejected);

}

BOOST_AUTO_TEST_CASE(noConfidenceIgnore)

{

    // But if we're already in process we don't go to rejected state,

    // we just ignore this hypothesis

    e.confidence = 0;

    BOOST_CHECK(!h.accept(e));

    BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional);