public void AllowedTokensTest()
{
string formula = "[TE;ST] \\";
var parser = new BasicTokenParser(new HashSet <TokenBase>
{
new CategoryOpeningToken(),
new LetterToken(),
new CategoryClosingToken(),
}, new HashSet <TokenBase>
{
new WhiteSpaceToken(),
new NewLineToken()
});
string result = "";
string invalids = "";
parser.ValidTokenFound += (sender, token) => result += token.Symbol;
parser.InvalidTokenFound += (sender, token) =>
{
invalids += token.Symbol;
};
parser.Parse(formula);
Assert.IsTrue(invalids.Contains(";") && invalids.Contains("\\"));
}
public void TestOfAdaptability()
{
string formula = "Test = test\\\ntest";
var parser = new BasicTokenParser(new HashSet <TokenBase>
{
new LetterToken(),
new EqualityToken(),
}, new HashSet <TokenBase>
{
new WhiteSpaceToken(),
});
string id = "";
string key = "";
void keyParsing(object sender, TokenBase token)
{
switch (token.Type)
{
case TokenType.Letter:
id += token.Symbol;
break;
case TokenType.EQ:
parser.ValidTokenFound -= keyParsing;
parser.AllowedTokens = new HashSet <TokenBase>()
{
new LetterToken(),
new NewLineToken(),
new LineConcatenatorToken(),
};
parser.ValidTokenFound += valueParsing;
break;
}
}
void valueParsing(object sender, TokenBase token)
{
switch (token.Type)
{
case TokenType.Letter:
key += token.Symbol;
break;
case TokenType.LineConcatenator:
parser.IgnoredTokens.Add(new NewLineToken());
break;
}
}
parser.ValidTokenFound += keyParsing;
parser.Parse(formula);
Assert.AreEqual(id, "Test");
Assert.AreEqual(key, "testtest");
}
public void TokenOrderTest()
{
string formula = "[TEST]";
var parser = new BasicTokenParser(new HashSet <TokenBase>
{
new CategoryOpeningToken(),
new LetterToken(),
new CategoryClosingToken(),
}, new HashSet <TokenBase>());
string result = "";
parser.ValidTokenFound += (sender, token) => result += token.Symbol;
parser.Parse(formula);
Assert.AreEqual(formula, result);
}
public void TokensWithSameSymbol()
{
string formula = "Test = test\\\ntest";
var parser = new BasicTokenParser(new HashSet <TokenBase>
{
new LetterToken(),
new EqualityToken(),
new LineConcatenatorToken()
}, new HashSet <TokenBase>
{
new WhiteSpaceToken(),
new NewLineToken()
});
var tokens = new List <TokenType>();
parser.ValidTokenFound += (sender, token) => tokens.Add(token.Type);
parser.Parse(formula);
Assert.IsTrue(tokens.Contains(TokenType.EQ) && tokens.Contains(TokenType.Letter) && tokens.Contains(TokenType.LineConcatenator));
}
public void IgnoredTokensTest()
{
string expression = "[TEST]";
string formula = " \n " + expression + " \n ";
var parser = new BasicTokenParser(new HashSet <TokenBase>
{
new CategoryOpeningToken(),
new LetterToken(),
new CategoryClosingToken(),
}, new HashSet <TokenBase>
{
new WhiteSpaceToken(),
new NewLineToken()
});
string result = "";
parser.ValidTokenFound += (sender, token) => result += token.Symbol;
parser.Parse(formula);
Assert.AreEqual(expression, result);
}
