private static void CompareIpV4Options(XElement element, IpV4Options options)
{
int currentOptionIndex = 0;
foreach (var field in element.Fields())
{
if (currentOptionIndex >= options.Count)
{
Assert.IsFalse(options.IsValid);
Assert.IsTrue(field.Show() == "Commercial IP security option" ||
field.Show() == "Loose source route (length byte past end of options)" ||
field.Show() == "Time stamp:" ||
field.Show().StartsWith("Unknown") ||
field.Show().StartsWith("Security") ||
field.Show().StartsWith("Router Alert (with option length = ") ||
field.Show().StartsWith("Stream identifier (with option length = ") ||
field.Show().Contains("with too") ||
field.Show().Contains(" bytes says option goes past end of options") ||
field.Show().Contains("(length byte past end of options)") ||
XElementExtensions.Show(field.Fields().First()).StartsWith("Pointer: ") && XElementExtensions.Show(field.Fields().First()).EndsWith(" (points to middle of address)") ||
field.Fields().Where(value => value.Show() == "(suboption would go past end of option)").Count() != 0, field.Show());
break;
}
IpV4Option option = options[currentOptionIndex++];
if (option.OptionType == IpV4OptionType.BasicSecurity ||
option.OptionType == IpV4OptionType.TraceRoute)
{
Assert.IsTrue(field.Show().StartsWith(option.GetWiresharkString()));
continue; // Wireshark doesn't support
}
field.AssertShow(option.GetWiresharkString());
if ((option is IpV4OptionUnknown))
{
continue;
}
var optionShows = from f in field.Fields() select f.Show();
MoreAssert.AreSequenceEqual(optionShows, option.GetWiresharkSubfieldStrings());
}
}
