public void ReadPeekRead_ReturnsProperCharacters()
{
//Arrange
string testText = "abcdefg";
_stringReader = new StringReader(testText);
_peekableStringReaderAdapter = new PeekableStringReaderAdapter(_stringReader);
//Act/Assert
var readChar = (char)_peekableStringReaderAdapter.Read();
Assert.AreEqual('a', readChar);
var peekedChar = (char)_peekableStringReaderAdapter.Peek();
Assert.AreEqual(peekedChar, (char)_peekableStringReaderAdapter.Peek());
readChar = (char)_peekableStringReaderAdapter.Read();
Assert.AreEqual(peekedChar, readChar);
}
public IEnumerable <Token> Tokenize()
{
_resultTokens = new List <Token>();
while (_reader.Peek() != -1)
{
SkipWhitespaces();
int peekValue = _reader.Peek();
if (peekValue == -1)
{
break;
}
char nextCharacter = (char)peekValue;
string peekedString;
switch (nextCharacter)
{
case 'c':
peekedString = _reader.PeekWithBufferingUntil(TokenSemantics.ClassnameOrVariableSearchDelimiters);
_resultTokens.Add(ParseIfClassOpeningToken(peekedString));
break;
case '}':
_resultTokens.Add(ParseIfClosingToken());
break;
case 't':
peekedString = _reader.PeekWithBufferingUntil(TokenSemantics.ClassnameOrVariableSearchDelimiters);
_resultTokens.Add(ParseIfTypeOpeningToken(peekedString));
break;
case '"':
_resultTokens.Add(ParseIfStandaloneStringToken());
break;
default:
peekedString = _reader.PeekWithBufferingUntil(TokenSemantics.ClassnameOrVariableSearchDelimiters);
_resultTokens.Add(ParseIfVariableToken(peekedString));
break;
}
_reader.Read();
}
return(_resultTokens);
}
public void PeekWithBuffering_PeeksProperly()
{
//Arrange
string testText = "abcdefg";
_stringReader = new StringReader(testText);
_peekableStringReaderAdapter = new PeekableStringReaderAdapter(_stringReader);
//Act/Assert
var peekedChar = (char)_peekableStringReaderAdapter.PeekWithBuffering();
Assert.AreEqual('a', peekedChar);
peekedChar = (char)_peekableStringReaderAdapter.PeekWithBuffering();
Assert.AreEqual('b', peekedChar);
peekedChar = (char)_peekableStringReaderAdapter.PeekWithBuffering();
Assert.AreEqual('c', peekedChar);
peekedChar = (char)_peekableStringReaderAdapter.Peek();
Assert.AreEqual('a', peekedChar);
var readChar = (char)_peekableStringReaderAdapter.Read();
Assert.AreEqual(peekedChar, readChar);
}