public void CanHandleWhiteSpace()
{
const string INPUT = "FORWARD 100\r\n\t";
var expectedTokens = new[] { Token.FORWARD, Token.NUMBER, Token.EOF };
var scanner = new LogoScanner(INPUT);
foreach (Token expectedToken in expectedTokens)
{
Token token = scanner.Scan();
Assert.AreEqual(expectedToken, token);
}
}
public void CanRecognizeTokens()
{
const string INPUT = "CLEAR TO Rectangle REPEAT 4 [ FORWARD 100 LEFT 90 ] END MOVETO 200,50";
var expectedTokens = new[]
{
Token.CLEAR, Token.TO, Token.IDENTIFIER, Token.REPEAT, Token.NUMBER, Token.LBRACKET,
Token.FORWARD, Token.NUMBER, Token.LEFT, Token.NUMBER, Token.RBRACKET, Token.END,
Token.MOVETO, Token.NUMBER, Token.COMMA, Token.NUMBER, Token.EOF
};
var scanner = new LogoScanner(INPUT);
foreach (Token expectedToken in expectedTokens)
{
Token token = scanner.Scan();
Assert.AreEqual(expectedToken, token);
}
}
