Bug 16768 - SplitOrderedList is not marked as Serializable
Summary: SplitOrderedList is not marked as Serializable
Alias: None
Product: Class Libraries
Classification: Mono
Component: mscorlib ()
Version: master
Hardware: All All
: --- normal
Target Milestone: Untriaged
Assignee: Bugzilla
Depends on: 16730
  Show dependency tree
Reported: 2013-12-13 06:16 UTC by Jon Hanna
Modified: 2014-11-25 05:00 UTC (History)
2 users (show)

Is this bug a regression?: ---
Last known good build:

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Description Jon Hanna 2013-12-13 06:16:08 UTC
This relates to #16730 to the point where I would reopen it if I had sufficient rights, but don't know if it being marked fixed will mean it doesn't end up on anyone's to-do list.

Example of breaking code:

var dict = new ConcurrentDictionary<string, string>();
dict["abc"] = "this will be removed";
dict["def"] = "This will Stay";
dict["abc"] = "This overwrites";

using(var ms = new MemoryStream())
	new BinaryFormatter().Serialize(ms, dict);
	ms.Seek(0, SeekOrigin.Begin);
	var newDict = (ConcurrentDictionary<string, string>)new BinaryFormatter().Deserialize(ms);	
	foreach(var kvp in dict.OrderBy(kv => kv.Key))
		Console.Write(" = ");

Expected output:

abc = This overwrites
def = This will Stay

Result with current release:

SerializationException: System.Collections.Concurrent.ConcurrentDictionary`2[System.String,System.String]
is not marked as Serializable.

Result with current code in git repository (after fix for #16730):

SerializationException: System.Collections.Concurrent.SplitOrderedList`2[System.String,System.Collections.Generic.KeyValuePair`2[System.String,System.String]] is not marked as Serializable.

There are reasons why just marking SplitOrderedList as Serializable will not be sufficient either. I describe why in more detail at #16730, along with a patch that will fix it.
Comment 1 Marek Safar 2014-11-25 05:00:32 UTC
Resolved in master