public void RegexToDfaShouldConvertCharacterRegexToDfa()
{
var pattern = "a";
var dfa = CreateDfaFromRegexPattern(pattern);
Assert.IsNotNull(dfa);
var lexerRule = new DfaLexerRule(dfa, "a");
var lexeme = new DfaLexemeFactory().Create(lexerRule, 0);
Assert.IsTrue(lexeme.Scan('a'));
}
public void RegexToDfaShouldConvertCharacterRegexToDfa()
{
var pattern = "a";
var regex = new RegexParser().Parse(pattern);
var nfa = new ThompsonConstructionAlgorithm().Transform(regex);
var dfa = new SubsetConstructionAlgorithm().Transform(nfa);
Assert.IsNotNull(dfa);
var lexerRule = new DfaLexerRule(dfa, "a");
var lexeme = new DfaLexemeFactory().Create(lexerRule, 0);
Assert.IsTrue(lexeme.Scan('a'));
}
