public void NullParsingContextTest()
{
ParsingState target = new ParsingState();
target.ProcessCharacter(null, 'a');
}
public void ProcessRegularCharacterTest()
{
ParsingContextTestImpl context = new ParsingContextTestImpl();
ParsingState target = new ParsingState();
FileReaderTestImpl reader = new FileReaderTestImpl(50);
System.Text.StringBuilder localText = new System.Text.StringBuilder();
while (!reader.IsEOF)
{
char nextChar = reader.GetNextChar();
localText.Append(nextChar);
Assert.AreEqual(target.ProcessCharacter(context, nextChar), ParsingResult.Match);
Assert.AreEqual<string>(localText.ToString(), context.CurrentText);
}
}
private static void TestLinkedStates(ParsingResult [] returnResults, int transitionIndex)
{
ParsingState target = new ParsingState();
ParsingResult finalResult = ParsingResult.Match;
IParsingState expectedState = target;
for (int i=0; i< returnResults.Length; i++)
{
ParsingResult result = returnResults[i];
ParsingStateTestImpl nextState = new ParsingStateTestImpl(result);
target.AddNextState(nextState);
if (i == transitionIndex)
{
finalResult = result;
if (finalResult != ParsingResult.Miss)
{
expectedState = nextState;
}
else
{
expectedState = target;
}
}
}
ParsingContextTestImpl context = new ParsingContextTestImpl();
context.CurrentState = target;
char randomChar = (char)(new Random().Next(char.MinValue, char.MaxValue));
Assert.AreEqual(target.ProcessCharacter(context, randomChar), finalResult);
Assert.AreEqual<IParsingState>(expectedState, context.CurrentState);
}
