public void CanParseCommandWithStringArg()
{
// Arrange
var textParser = new TurtleGraphicsLexicalAnalyser();
// Act
var parsedValue = textParser.Parse(CommandWithStringArgs);
// Assert
Assert.AreEqual(CommandWithNoArgs, parsedValue[0]);
}
public void CanParseCommandWithArgs()
{
// Arrange
var textParser = new TurtleGraphicsLexicalAnalyser();
// Act
var parsedValue = textParser.Parse(CommandWithArgs);
// Assert
Assert.AreEqual(Command, parsedValue[0]);
Assert.AreEqual(Argument, parsedValue[1]);
}
public void CanParseComplexCommand()
{
// Arrange
var textParser = new TurtleGraphicsLexicalAnalyser();
// Act
var parsedValues = textParser.Parse(ComplexCommand);
// Assert
Assert.AreEqual(14, parsedValues.Count);
Assert.AreEqual("REPEAT", parsedValues[0]);
Assert.AreEqual("4", parsedValues[1]);
Assert.AreEqual("[", parsedValues[2]);
Assert.AreEqual("LEFT", parsedValues[3]);
Assert.AreEqual("10", parsedValues[4]);
Assert.AreEqual("PRINT", parsedValues[5]);
Assert.AreEqual("\"HELLO WORLD\"", parsedValues[6]);
Assert.AreEqual("REPEAT", parsedValues[7]);
Assert.AreEqual("10", parsedValues[8]);
Assert.AreEqual("[", parsedValues[9]);
Assert.AreEqual("RIGHT", parsedValues[10]);
Assert.AreEqual("10", parsedValues[11]);
Assert.AreEqual("]", parsedValues[12]);
Assert.AreEqual("]", parsedValues[13]);
}
public void CanParseEmptyCommand()
{
// Arrange
var textParser = new TurtleGraphicsLexicalAnalyser();
// Act
var parsedValue = textParser.Parse(EmptyCommand);
// Assert
Assert.AreEqual(0, parsedValue.Count);
}
