public void GetMatchesFindsNoMatchesForEmpty()
{
NegativeLookAheadExpression<char> expression = new NegativeLookAheadExpression<char> (m_any);
var matches = expression.GetMatches (EmptyList, 0).ToList ();
Assert.AreEqual (1, matches.Count, "matches.Count");
Assert.AreEqual (0, matches[0].Index, "matches[0].Index");
Assert.AreEqual (0, matches[0].Length, "matches[0].Length");
}
public void GetMatchesFindsOneMatchForB()
{
NegativeLookAheadExpression<char> expression = new NegativeLookAheadExpression<char> (m_B);
string [] expectedValues = new [] {"",""};
int index = 0;
var list = AList;
var matches = expression.GetMatches (list, index).ToList ();
Assert.AreEqual (expectedValues.Length, matches.Count (), "Count");
for (int i = 0; i < expectedValues.Length; i++)
{
var match = matches [i];
var expected = expectedValues [i];
Assert.AreEqual (index, match.Index, "match.Index");
Assert.AreEqual (expected.Length, match.Length, "match.Length");
Assert.IsTrue (match.Success, "match.Success");
Assert.AreEqual (expected.Length, match.Items.Count, "match.Items.Count");
Assert.AreEqual (expected, new string (match.Items.ToArray ()), "match.Items");
index++;
}
}
public void ConstructorSucceeds()
{
var expression = new NegativeLookAheadExpression<char> (m_A);
Assert.IsTrue (expression.Negate);
}
public void ConstructorThrowArgumentNullExceptionForNullArray()
{
var expression = new NegativeLookAheadExpression<char> ((IExpression<char>) null);
}
public void IsMatchAt9Of_NegativeLookAhead_Greedy_Any_2_ForDigetsReturnsTrue()
{
int index = 9;
NegativeLookAheadExpression<char> expression = new NegativeLookAheadExpression<char> (new GreedyRepeatExpression<char> (m_any, 2));
int length = 0;
var list = DigetsList;
var ml = expression.IsMatchAt (list, index);
Assert.IsTrue (ml.Success, "isMatch");
Assert.AreEqual (length, ml.Length, "assertionLength");
}
