public void PlayIntervalsAndConfirmTheirName() {
const int totalIterations = 10;
const int sectionCount = 2;
const int iterationsPerSection = totalIterations / sectionCount;
const int secondsToSleep = 5;
var notes = new MusicalNotes();
var setOfTones = new NoteUtility(_toneProvider);
var upperLimit = notes.GetAllNotes().Count - 1;
SpeakIntroduction();
for (var i = 0; i < totalIterations; i++) {
// do a break so that the listener has time to consolidate a bit
if (i % iterationsPerSection == 0) {
_synth.Speak($"This is; Musical Intervals: Section {i / iterationsPerSection + 1}");
}
//we want substantially more ascending than descending intervals - this spread gives about 80%:
var currentDirectionType = i % 3 == 0 ? NumberUtilities.Direction.Random : NumberUtilities.Direction.Ascending;
var interval = NumberUtilities.GetRandomInterval(0, upperLimit, 12, _random, currentDirectionType);
if (i < (totalIterations/2)) {
// play the voice/piano versions...
setOfTones.PlayIntervalWithCommentary(interval, secondsToSleep, "Emm", true);
}
else {
setOfTones.PlayIntervalWithCommentary(interval, secondsToSleep);
}
}
}
public void FrequencyCanBeGotViaSequence() {
TraceExecutingMethod();
var notes = new MusicalNotes();
var frequency = notes.GetNoteFromSequence(KnownSequenceForFrequency).Frequency;
Assert.AreEqual(TestFrequency, frequency);
}
public void PlayAllNotes() {
const int totalIterations = 1000;
const int delayInSecondsBetweenAudioSnippets = 5;
var notes = new MusicalNotes();
var setOfTones = new NoteUtility(_toneProvider);
var frequencies = notes.GetAllFrequencies();
for (var i = 0; i < totalIterations; i++) {
var intervalBoundaries = NumberUtilities.GetRandomInterval(0, 24, 12, _random);
var frequency0 = frequencies[intervalBoundaries[0]];
var frequency1 = frequencies[intervalBoundaries[1]];
setOfTones.PlayNote(notes.GetNoteFromIndex(intervalBoundaries[0]));
setOfTones.PlayNote(notes.GetNoteFromIndex(intervalBoundaries[1]));
Console.WriteLine(frequency0);
Console.WriteLine(frequency1);
Console.WriteLine(frequency1 - frequency0);
Thread.Sleep(delayInSecondsBetweenAudioSnippets * 1000);
setOfTones.PlayNote(notes.GetNoteFromIndex(intervalBoundaries[0]));
setOfTones.PlayNote(notes.GetNoteFromIndex(intervalBoundaries[1]));
Thread.Sleep(delayInSecondsBetweenAudioSnippets * 1000);
var semitoneCount = intervalBoundaries[1] - intervalBoundaries[0];
var spokenInterval = Intervals.GetInterval(semitoneCount);
_synth.Speak(spokenInterval);
Thread.Sleep(delayInSecondsBetweenAudioSnippets * 1000);
}
}
public void EachFrequencyInTheCollectionsNaturalOrderIsHigherThanThePrevious() {
var notes = new MusicalNotes();
var previousFrequency = 0;
foreach (var frequency in notes.GetAllFrequencies()) {
Console.WriteLine(frequency);
Assert.IsTrue(frequency > previousFrequency,
$"The current frequency {frequency} is not higher than the previous frequency {previousFrequency}");
previousFrequency = frequency;
}
}
public void GettingFrequencyViaNonValidIndexThrowsException() {
TraceExecutingMethod();
var notes = new MusicalNotes();
try {
var dummy = notes.GetNoteFromIndex(999).Frequency;
}
catch (KeyNotFoundException e) {
Assert.AreEqual("No MusicalNote found with an index of [999]", e.Message);
throw;
}
}
public void PlayIntervalsAndConfirmTheirNameNoSound() {
const int totalIterations = 1000;
const int sectionCount = 5;
var iterationsPerSection = totalIterations/sectionCount;
var notes = new MusicalNotes();
var upperLimit = notes.GetAllNotes().Count - 1;
var directionTally = new Dictionary<int, int> {
{(int) NumberUtilities.Direction.Ascending, 0},
{(int) NumberUtilities.Direction.Descending, 0}
};
for (var i = 0; i < totalIterations; i++) {
// do a break so that the listener has time to consolidate a bit
if (i == 0) {
Debug.WriteLine($"Section 1");
} else
if (i%iterationsPerSection == 0) {
Debug.WriteLine($"Section {i/iterationsPerSection + 1}");
}
//we want substantially more ascending than descending:
var currentDirectionType = i%3 == 0 ? NumberUtilities.Direction.Random : NumberUtilities.Direction.Ascending;
var interval = NumberUtilities.GetRandomInterval(0, upperLimit, 12, RandomInterval, currentDirectionType);
notes.GetNoteFromIndex(interval[0]);
notes.GetNoteFromIndex(interval[1]);
directionTally[(int) NumberUtilities.GetDirection(interval)]++;
}
Debug.WriteLine(directionTally[0]);
Debug.WriteLine(directionTally[1]);
}
