public static void CaptureCollection_GetEnumeratorTest()
{
Regex rgx1 = new Regex(@"(?<A1>a*)(?<A2>b*)(?<A3>c*)");
String strInput = "aaabbccccccccccaaaabc";
Match mtch1 = rgx1.Match(strInput);
CaptureCollection captrc1 = mtch1.Captures;
IEnumerator enmtr1 = captrc1.GetEnumerator();
for (int i = 0; i < captrc1.Count; i++)
{
enmtr1.MoveNext();
Assert.Equal(enmtr1.Current, captrc1[i]);
}
Assert.False(enmtr1.MoveNext(), "Err_5! enmtr1.MoveNext returned true");
enmtr1.Reset();
for (int i = 0; i < captrc1.Count; i++)
{
enmtr1.MoveNext();
Assert.Equal(enmtr1.Current, captrc1[i]);
}
}
public static void CaptureCollection_GetEnumeratorTest_Negative()
{
Regex rgx1 = new Regex(@"(?<A1>a*)(?<A2>b*)(?<A3>c*)");
String strInput = "aaabbccccccccccaaaabc";
Match mtch1 = rgx1.Match(strInput);
CaptureCollection captrc1 = mtch1.Captures;
IEnumerator enmtr1 = captrc1.GetEnumerator();
Capture currentCapture;
Assert.Throws <InvalidOperationException>(() => currentCapture = (Capture)enmtr1.Current);
for (int i = 0; i < captrc1.Count; i++)
{
enmtr1.MoveNext();
}
enmtr1.MoveNext();
Assert.Throws <InvalidOperationException>(() => currentCapture = (Capture)enmtr1.Current);
enmtr1.Reset();
Assert.Throws <InvalidOperationException>(() => currentCapture = (Capture)enmtr1.Current);
}
public void Deny_Unrestricted()
{
Assert.AreEqual(0, coll.Count, "Count");
Assert.IsTrue(coll.IsReadOnly, "IsReadOnly");
Assert.IsFalse(coll.IsSynchronized, "IsSynchronized");
Assert.IsNotNull(coll.SyncRoot, "SyncRoot");
Assert.IsNotNull(coll.GetEnumerator(), "GetEnumerator");
Capture[] captures = new Capture[0];
coll.CopyTo(captures, 0);
}
public static void GetEnumerator()
{
Regex regex = new Regex(@"(?<A1>a*)(?<A2>b*)(?<A3>c*)");
Match match = regex.Match("aaabbccccccccccaaaabc");
CaptureCollection captures = match.Captures;
IEnumerator enumerator = captures.GetEnumerator();
for (int i = 0; i < 2; i++)
{
int counter = 0;
while (enumerator.MoveNext())
{
Assert.Equal(captures[counter], enumerator.Current);
counter++;
}
Assert.Equal(captures.Count, counter);
enumerator.Reset();
}
}
