public void ProgramLineToStringWithOutLineNumber()
{
var tokens = new List <IToken>
{
new Token("PRINT", TokenClass.Statement),
new Token("HELLO", TokenClass.String),
new Token(",", TokenClass.Seperator, TokenType.Comma),
new Token("W", TokenClass.Variable),
new Token("$", TokenClass.Seperator, TokenType.Dollar),
};
ProgramLine programLine = new ProgramLine(null, tokens);
var line = programLine.ToString();
Assert.AreEqual(" PRINT \"HELLO\",W$", line);
}
/// <summary>
/// Lists a single line.
/// </summary>
/// <returns>returns false if last line printed.</returns>
public bool Execute()
{
if (_currentLine != null)
{
if (_currentLine.LineNumber > _endLine)
{
return(true);
}
_teletype.Write(_currentLine.ToString());
_teletype.Write(Environment.NewLine);
_currentLine = _programRepository.GetNextLine(_currentLine.LineNumber.Value);
}
return(_currentLine == null);
}
public override string ToString()
{
return(ProgramLine.ToString());
}