public void TestIntsNotFloats() { var lex = new FloatLexer(new StringReader("1")); var tok = lex.Scan(); Assert.AreEqual(tok.tag, Tag.INTEGER); }
public void TestFloatsWithFractionalPart() { var lex = new FloatLexer(new StringReader("321.32")); var tok = lex.Scan(); Assert.AreEqual(tok.tag, Tag.FLOAT); Assert.AreEqual(((FloatToken)tok).value, 321.32f); }
public static void TestExtra3() { System.Console.WriteLine("\n------------------"); System.Console.WriteLine("\nTests for ExtraTask 3"); string input = "123.45678"; Lexer L = new FloatLexer(input); try { L.Parse(); } catch (LexerException e) { System.Console.WriteLine(e.Message); } input = "0.1234"; L = new FloatLexer(input); try { L.Parse(); } catch (LexerException e) { System.Console.WriteLine(e.Message); } System.Console.WriteLine("\nThere should be errors:"); input = "12."; L = new FloatLexer(input); try { L.Parse(); } catch (LexerException e) { System.Console.WriteLine(e.Message); } input = "12"; L = new FloatLexer(input); try { L.Parse(); } catch (LexerException e) { System.Console.WriteLine(e.Message); } input = ".12"; L = new FloatLexer(input); try { L.Parse(); } catch (LexerException e) { System.Console.WriteLine(e.Message); } input = "a"; L = new FloatLexer(input); try { L.Parse(); } catch (LexerException e) { System.Console.WriteLine(e.Message); } input = ""; L = new FloatLexer(input); try { L.Parse(); } catch (LexerException e) { System.Console.WriteLine(e.Message); } }