public void GetSymbolReturnsBlankCharForUninitialisedTapeEntries()
{
Tape tape = new Tape();
Assert.AreEqual(' ', tape.GetSymbol(-1));
Assert.AreEqual(' ', tape.GetSymbol(1));
}
public void GetSymbolReturnsCharStoredInTapeElements()
{
Tape tape = new Tape();
tape.Write('a');
Assert.AreEqual('a', tape.GetSymbol(0));
}
public void GetSymbolReturnsBlankCharForNullElements()
{
Tape tape = new Tape();
Assert.AreEqual(' ', tape.GetSymbol(0));
}
