TryParseExactHelper ("10:12", new string [0], true, "dontcare");
TryParseExactHelper ("10:12", new string [] { String.Empty }, true, "dontcare");
TryParseExactHelper ("10:12", new string [] { null }, true, "dontcare");
TryParseExactHelper ("10:12", new string [0], true, "dontcare");
TryParseExactHelper ("10:12", new string [] { String.Empty }, true, "dontcare");
TryParseExactHelper ("10:12", new string [] { null }, true, "dontcare");