public void WhenPartMatchesReturnsTrueCharacterClassMatchesReturnsTrue()
{
var mockCharacterClassPart = new Mock <ICharacterClassPart>();
mockCharacterClassPart.Setup(m => m.Matches(It.IsAny <char>())).Returns(true);
var sut = new CharacterClass(new[] { mockCharacterClassPart.Object }, false, false, 0, "[a]");
Assert.That(sut.Matches('a'), Is.True);
}
protected override bool Matches(State state)
{
if (Negated)
{
throw new NotImplementedException();
}
if (IsAtBeginningOfInput(state) ||
IsAtBeginningOfLine(state) ||
IsAtEndOfInput(state) ||
IsAtEndOfLine(state))
{
return(true);
}
// Make sure we have at least two charaters in the input, and we're not at the beginning or the end of the input.
Debug.Assert(state.Input.Length > 1 && state.Index > 0 && state.Index < state.Input.Length);
var isMatch = _wordCharacters.Matches(state.Input[state.Index])
!= _wordCharacters.Matches(state.Input[state.Index - 1]);
return(isMatch);
}