public void isaLetterTest()
{
TokenScanner scanner = new TokenScanner();
Assert.IsTrue(scanner.isaLetter('a'));
Assert.IsTrue(scanner.isaLetter('z'));
Assert.IsTrue(scanner.isaLetter('q'));
Assert.IsTrue(scanner.isaLetter('A'));
Assert.IsTrue(scanner.isaLetter('Z'));
Assert.IsTrue(scanner.isaLetter('S'));
Assert.IsFalse(scanner.isaLetter('0'));
Assert.IsFalse(scanner.isaLetter('*'));
Assert.IsFalse(scanner.isaLetter(' '));
Assert.IsFalse(scanner.isaLetter('~'));
Assert.IsFalse(scanner.isaLetter((char)3));
}
public void isaDigitTest()
{
TokenScanner scanner = new TokenScanner();
Assert.IsTrue(scanner.isaDigit('0'));
Assert.IsTrue(scanner.isaDigit('1'));
Assert.IsTrue(scanner.isaDigit('2'));
Assert.IsTrue(scanner.isaDigit('3'));
Assert.IsTrue(scanner.isaDigit('4'));
Assert.IsTrue(scanner.isaDigit('5'));
Assert.IsTrue(scanner.isaDigit('6'));
Assert.IsTrue(scanner.isaDigit('7'));
Assert.IsTrue(scanner.isaDigit('8'));
Assert.IsTrue(scanner.isaDigit('9'));
Assert.IsFalse(scanner.isaDigit('a'));
Assert.IsFalse(scanner.isaDigit('_'));
}
public void scanBreakUp()
{
TokenScanner scanner = new TokenScanner("..\\..\\..\\TestFiles\\ScanTestBreakUp.txt");
Assert.AreEqual(scanner.peekToken(), "break");
Assert.AreEqual(scanner.getToken(), "break");
Assert.AreEqual(scanner.getToken(), "(");
Assert.AreEqual(scanner.getToken(), "up");
Assert.AreEqual(scanner.getToken(), ")");
Assert.AreEqual(scanner.getToken(), "(");
Assert.AreEqual(scanner.getToken(), "this");
Assert.AreEqual(scanner.getToken(), ")");
Assert.AreEqual(scanner.getToken(), "(");
Assert.AreEqual(scanner.getToken(), ")");
Assert.AreEqual(scanner.getToken(), ";");
Assert.AreEqual(scanner.getToken(), "l");
Assert.AreEqual(scanner.getToken(), ";");
Assert.AreEqual(scanner.getToken(), "ol");
Assert.AreEqual(scanner.getToken(), "$");
Assert.AreEqual(scanner.peekToken(), "$");
}
public void scanTestWorkToLong()
{
try
{
TokenScanner scanner = new TokenScanner("..\\..\\..\\TestFiles\\ScanTestWordToLong.txt");
Assert.Fail();
}
catch(SyntaxError)
{
}
}
public void scanTestPass()
{
TokenScanner scanner = new TokenScanner("..\\..\\..\\TestFiles\\scanTestPass.txt");
Assert.AreEqual(scanner.getToken(), "begin");
Assert.AreEqual(scanner.getToken(), "hi");
Assert.AreEqual(scanner.getToken(), "=");
Assert.AreEqual(scanner.getToken(), "a");
Assert.AreEqual(scanner.getToken(), "union");
Assert.AreEqual(scanner.getToken(), "b");
Assert.AreEqual(scanner.getToken(), ";");
Assert.AreEqual(scanner.getToken(), "end");
Assert.AreEqual(scanner.getToken(), "$");
}
public void scanTestFailBadSymbol()
{
try
{
TokenScanner scanner = new TokenScanner("..\\..\\..\\TestFiles\\ScanTestFailBadSymbol.txt");
Assert.Fail();
}
catch (LexicalException)
{
}
}
public LL1Parser(string contents)
{
this.scanner = new TokenScanner(contents);
parsetable = new ParserGenerator.ParserGenerator();
}