public void TestSimpleParenthesisExpression()
{
LexicalScanner scanner = new LexicalScanner("(1*2)");
AbstractToken token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(OpenParenthesis), token);
Assert.IsTrue(token.GetValue().Equals("("));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("1"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Operator), token);
Assert.IsTrue(token.GetValue().Equals("*"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("2"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(CloseParenthesis), token);
Assert.IsTrue(token.GetValue().Equals(")"));
}
public void TestFloat()
{
LexicalScanner scanner = new LexicalScanner("1.0");
AbstractToken token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Float), token);
Assert.IsTrue(token.GetValue().Equals("1.0"));
}
public void TestInt()
{
LexicalScanner scanner = new LexicalScanner("1");
AbstractToken token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("1"));
}
public void TestSimpleAddSubExpression()
{
LexicalScanner scanner = new LexicalScanner("1+2");
AbstractToken token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("1"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(AddSub), token);
Assert.IsTrue(token.GetValue().Equals("+"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("2"));
}
public ParseNode Parse()
{
_current = _lex.GetNextToken();
try
{
Expressie();
}
catch (MatchException me)
{
Console.WriteLine(me.Message);
}
return(_start);
}
public void TestPolynomialsExpression()
{
LexicalScanner scanner = new LexicalScanner("(5-2)*3^6+1");
List <AbstractToken> tokens = new List <AbstractToken>();
while (!scanner.EndOfInput)
{
tokens.Add(scanner.GetNextToken());
}
Assert.AreEqual(11, tokens.Count);
}
public void TestPolynomialsExpression()
{
LexicalScanner scanner = new LexicalScanner("(5-2)*3^6+1");
List<AbstractToken> tokens = new List<AbstractToken>();
while (!scanner.EndOfInput)
{
tokens.Add(scanner.GetNextToken());
}
Assert.AreEqual(11, tokens.Count);
}
public void TestSimpleParenthesisExpression()
{
LexicalScanner scanner = new LexicalScanner("(1*2)");
AbstractToken token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(OpenParenthesis), token);
Assert.IsTrue(token.GetValue().Equals("("));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("1"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Operator), token);
Assert.IsTrue(token.GetValue().Equals("*"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("2"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(CloseParenthesis), token);
Assert.IsTrue(token.GetValue().Equals(")"));
}
public void TestSimpleAddSubExpression()
{
LexicalScanner scanner = new LexicalScanner("1+2");
AbstractToken token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("1"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(AddSub), token);
Assert.IsTrue(token.GetValue().Equals("+"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("2"));
}