public void VeryShortDtmfTones()
{
using var file = new VorbisWaveReader("./testdata/very_short_dtmf_tones.ogg");
var dtmfs = file.DtmfChanges();
dtmfs.Where(d => d.IsStart).Select(d => d.Key).ShouldBe(new[]
{
PhoneKey.Zero,
PhoneKey.Six,
PhoneKey.Nine,
PhoneKey.Six,
PhoneKey.Six,
PhoneKey.Seven,
PhoneKey.Five,
PhoneKey.Three,
PhoneKey.Five,
PhoneKey.Six,
PhoneKey.Four,
PhoneKey.Six,
PhoneKey.Four,
PhoneKey.Six,
PhoneKey.Four,
PhoneKey.One,
PhoneKey.Five,
PhoneKey.One,
PhoneKey.Eight,
PhoneKey.Zero,
PhoneKey.Two,
PhoneKey.Three,
PhoneKey.Three,
PhoneKey.Six,
PhoneKey.Seven,
PhoneKey.Three,
PhoneKey.One,
PhoneKey.Four,
PhoneKey.One,
PhoneKey.Six,
PhoneKey.Three,
PhoneKey.Six,
PhoneKey.Zero,
PhoneKey.Eight,
PhoneKey.Three,
PhoneKey.Three,
PhoneKey.Eight,
PhoneKey.One,
PhoneKey.Six,
PhoneKey.Zero,
PhoneKey.Four,
PhoneKey.Four,
PhoneKey.Zero,
PhoneKey.Zero,
PhoneKey.Eight,
PhoneKey.Two,
PhoneKey.Six,
PhoneKey.One,
PhoneKey.Four,
PhoneKey.Six,
PhoneKey.Six,
PhoneKey.Two,
PhoneKey.Five,
PhoneKey.Three,
PhoneKey.Six,
PhoneKey.Eight,
PhoneKey.Nine,
PhoneKey.Six,
PhoneKey.Three,
PhoneKey.Eight,
PhoneKey.Eight,
PhoneKey.Four,
PhoneKey.Eight,
PhoneKey.Two,
PhoneKey.One,
PhoneKey.Three,
PhoneKey.Eight,
PhoneKey.One,
PhoneKey.Seven,
PhoneKey.Eight,
PhoneKey.Five,
PhoneKey.Zero,
PhoneKey.Seven,
PhoneKey.Three,
PhoneKey.Six,
PhoneKey.Four,
PhoneKey.Three,
PhoneKey.Three,
PhoneKey.Nine,
PhoneKey.Nine
});
}
