public static Progression decreasePitch(Progression progression)
{
string inputError = "\nI'm sorry that was not a valid coice." +
"\nPlease try again.";
if (progression.getSize() == 0)
{
System.Console.WriteLine("\nThere are no chords in your progression.");
}
else
{
bool validChoice = false;
string choice;
int i;
while (validChoice == false)
{
System.Console.WriteLine("\nWhat chord would you like lower?");
for (i = 1; i <= progression.getSize(); i++)
{
System.Console.WriteLine(i + ") " + progression.getChord(i - 1).getName());
}
choice = System.Console.ReadLine();
for (i = 1; i <= progression.getSize(); i++)
{
if (choice == i.ToString())
{
validChoice = true;
if (TabController.checkPitchRange(progression.getTabPitch(i) - 1, progression.getChord(i - 1).getNoteAt(0), progression.getGuitar()))
{
progression.changeTabPitch(i, progression.getTabPitch(i) - 1);
System.Console.WriteLine("\n" + progression.getChord(i - 1).getName() + " has been lowered");
}
else
{
System.Console.WriteLine("\nThis chord cannot be lowered any further");
}
}
}
if (validChoice == false)
{
System.Console.WriteLine(inputError);
}
}
}
return(progression);
}
public void ProgressionTest_changeTabPitch()
{
_progression = new Progression();
_progression.addChord(ChordFactory.getChordByName("C"));
Assert.AreEqual("X", _progression.getTabNumber(1, 6));
Assert.AreEqual("3", _progression.getTabNumber(1, 5));
Assert.AreEqual("2", _progression.getTabNumber(1, 4));
Assert.AreEqual("0", _progression.getTabNumber(1, 3));
Assert.AreEqual("1", _progression.getTabNumber(1, 2));
Assert.AreEqual("0", _progression.getTabNumber(1, 1));
_progression.changeTabPitch(1, 2);
Assert.AreEqual("X", _progression.getTabNumber(1, 6));
Assert.AreEqual("3", _progression.getTabNumber(1, 5));
Assert.AreEqual("5", _progression.getTabNumber(1, 4));
Assert.AreEqual("5", _progression.getTabNumber(1, 3));
Assert.AreEqual("5", _progression.getTabNumber(1, 2));
Assert.AreEqual("3", _progression.getTabNumber(1, 1));
}
