public void GetMatchesFindsOneMatchesForEmpty()
{
RepeatExpression<char> expression = new RepeatExpression<char> (m_any);
var matches = expression.GetMatches (EmptyList, 0).ToList ();
Assert.AreEqual (1, matches.Count (), "Count");
Assert.AreEqual (0, matches[0].Index, "Count");
Assert.AreEqual (0, matches[0].Length, "Count");
}
public void GetMatchesOf_A_3_ForAAABBBReturnsAAA()
{
int index = 0;
int length = 3;
RepeatExpression<char> expression = new RepeatExpression<char> (m_A, length);
var list = AAABBB;
var matches = expression.GetMatches (list, index).ToList ();
Assert.AreEqual (1, matches.Count (), "Count");
foreach (var match in matches)
{
Assert.AreEqual (index, match.Index, "match.Index");
Assert.AreEqual (length, match.Length, "match.Length");
Assert.IsTrue (match.Success, "match.Success");
Assert.AreEqual (length, match.Items.Count, "match.Items.Count");
for (int i = 0; i < length; i++)
{
Assert.AreEqual (list[index + i], match.Items [i], "match.Items [" + i + "]");
}
}
}
public void GetMatchesOf_Any_2_ForDigetsStartingAt5Returns56()
{
int index = 5;
RepeatExpression<char> expression = new RepeatExpression<char> (m_any, 2);
int length = 2;
var list = DigetsList;
var matches = expression.GetMatches (list, index).ToList ();
Assert.AreEqual (1, matches.Count (), "Count");
foreach (var match in matches)
{
Assert.AreEqual (index, match.Index, "match.Index");
Assert.AreEqual (length, match.Length, "match.Length");
Assert.IsTrue (match.Success, "match.Success");
Assert.AreEqual (length, match.Items.Count, "match.Items.Count");
for (int i = 0; i < length; i++)
{
Assert.AreEqual (list[index + i], match.Items [i], "match.Items [" + i + "]");
}
}
}
public void GetMatchesOf_AAorAB_0_4_ForAAABBB()
{
int index = 0;
RepeatExpression<char> expression =
new RepeatExpression<char> (
new AlternationExpression<char> (
new ListExpression<char>(m_A, m_A),
new ListExpression<char>(m_A, m_B, m_B, m_B)),
0, 4);
var list = AAABBB;
var matches = expression.GetMatches (list, index).ToList ();
string [] expectedValues = new [] {"", "AA", "AAABBB"};
Assert.AreEqual (expectedValues.Length, matches.Count (), "Count");
for (int i = 0; i < expectedValues.Length; i++)
{
var match = matches [i];
string expected = expectedValues [i];
Assert.AreEqual (index, match.Index, "match.Index at " + i);
Assert.AreEqual (expected.Length, match.Length, "match.Length at " + i);
Assert.IsTrue (match.Success, "match.Success at " + i);
Assert.AreEqual (expected.Length, match.Items.Count, "match.Items.Count at " + i);
Assert.AreEqual (expected, new string (match.Items.ToArray ()), "Value at " + i);
}
}
public void GetMatchesOfDigits_Any_4_8()
{
var expression = new RepeatExpression<char> (m_any, 4, 8);
string [] expectedValues = new [] {"0123", "01234", "012345", "0123456", "01234567"};
int index = 0;
var list = DigetsList;
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 at " + i);
Assert.AreEqual (expected.Length, match.Length, "match.Length at " + i);
Assert.IsTrue (match.Success, "match.Success at " + i);
Assert.AreEqual (expected.Length, match.Items.Count, "match.Items.Count at " + i);
Assert.AreEqual (expected, new string (match.Items.ToArray ()), "Value at " + i);
}
}
public void GetMatchesFindsOneMatchForA()
{
RepeatExpression<char> expression = new RepeatExpression<char> (m_A);
int index = 0;
var list = AList;
var matches = expression.GetMatches (list, index).ToList ();
Assert.AreEqual (2, matches.Count (), "Count");
Assert.AreEqual (0, matches.First ().Length, "First match should be empty");
var match = matches.ElementAt(1);
Assert.AreEqual (index, match.Index, "match.Index");
Assert.AreEqual (1, match.Length, "match.Length");
Assert.IsTrue (match.Success, "match.Success");
Assert.AreEqual (1, match.Items.Count, "match.Items.Count");
Assert.AreEqual (list[index], match.Items [0], "match.Items [0]");
}