public void ConstructorSucceeds()
{
int min = 0;
int max = int.MaxValue;
var expression = new GreedyRepeatExpression<char> (m_A);
Assert.AreEqual (min, expression.Minimum, "Minimum");
Assert.AreEqual (max, expression.Maximum, "Maximum");
}
public void SupportsLookBack_For_LookBackSupported()
{
var expression = new GreedyRepeatExpression<char> (LookBackSupported, 2,4);
Assert.IsTrue (expression.SupportsLookBack);
}
public void RangeConstructorArgumentOutOfRangeExceptionForNegativeMinimum()
{
var expression = new GreedyRepeatExpression<char> (m_any, -1, 23);
}
public void RangeConstructorArgumentExceptionForMaximumLessThanMinimum()
{
var expression = new GreedyRepeatExpression<char> (m_any, 4, 3);
}
public void NotSupportsLookBack_For_LookBackSupported_LookBackNotSupported()
{
var expression = new GreedyRepeatExpression<char> (new AlternationExpression<char> (LookBackSupported, LookBackNotSupported), 2);
Assert.IsFalse (expression.SupportsLookBack);
}
public void NotAnyLength_For_NotAnyLength()
{
var expression = new GreedyRepeatExpression<char> (NotAnyLength, 2);
Assert.IsFalse (expression.AnyLength);
}
public void GetMatchesFindsOneMatchForA()
{
GreedyRepeatExpression<char> expression = new GreedyRepeatExpression<char> (m_A);
string [] expectedValues = new [] {"A", ""};
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");
}
}
public void ConstructorThrowArgumentNullExceptionForNullArray()
{
var expression = new GreedyRepeatExpression<char> ((IExpression<char>) null);
}
public void GetPossibleMatchLengths_ForEmpty()
{
var expected = new int [] {0};
var expression = new GreedyRepeatExpression<char> (new AlternationExpression<char>());
expression.AssertPossibleMatchLengths (expected);
}
public void GetPossibleMatchLengths_For1_4to6()
{
var expected = new int [] {4,5,6};
var expression = new GreedyRepeatExpression<char> (MatchLength1, 4, 6);
expression.AssertPossibleMatchLengths (expected);
}
public void GetMatchesOf_A_ForAAABBB_LikeRegex()
{
var expression = new GreedyRepeatExpression<char> (m_A);
expression.AssertMatches ("AAABBB", "A*");
}
public void GetMatchesOf_A_3_ForAAABBBReturnsAAA()
{
int index = 0;
int length = 3;
GreedyRepeatExpression<char> expression = new GreedyRepeatExpression<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;
GreedyRepeatExpression<char> expression = new GreedyRepeatExpression<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_AAorABorBB_1_2_ForAAABBB()
{
int index = 0;
GreedyRepeatExpression<char> expression =
new GreedyRepeatExpression<char> (
new AlternationExpression<char> (
new ListExpression<char>(m_A, m_A),
new ListExpression<char>(m_A, m_B),
new ListExpression<char>(m_B, m_B)),
1, 2);
string [] expectedValues =
new [] {"AA", "AAAB"}
.Reverse ()
.ToArray ();
var list = AAABBB;
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 GetMatchesOfDigits_Any_4_8()
{
var expression = new GreedyRepeatExpression<char> (m_any, 4, 8);
string [] expectedValues =
new [] {"0123", "01234", "012345", "0123456", "01234567"}
.Reverse ()
.ToArray ();
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 AnyLength_For_AnyLength_NotAnyLength()
{
var expression = new GreedyRepeatExpression<char> (
new ListExpression<char> (AnyLength, NotAnyLength));
Assert.IsTrue (expression.AnyLength);
}
public void GetPossibleMatchLengths_For_2_3to4()
{
var expected = new int [] {6,8};
var expression = new GreedyRepeatExpression<char> (MatchLength2, 3,4);
expression.AssertPossibleMatchLengths (expected);
}
public void GetPossibleMatchLengths_For_3to5_2to3()
{
var expected = new int [] {3+3,3+3+3,3+3+4,3+3+5,3+4,3+4+5,3+5,3+5+5,4+5+5,5+5+5};
var expression = new GreedyRepeatExpression<char> (MatchLengths3to5, 2,3);
expression.AssertPossibleMatchLengths (expected);
}
public void ExactConstructorSucceeds()
{
int min = 2;
int max = min;
var expression = new GreedyRepeatExpression<char> (m_A, min);
Assert.AreEqual (min, expression.Minimum, "Minimum");
Assert.AreEqual (max, expression.Maximum, "Maximum");
}
public void ExactConstructorThrowArgumentOutOfRangeException()
{
var expression = new GreedyRepeatExpression<char> (m_any, -1);
}