Bug 3279 - DateTimeFormatInfo.Clone doesn't produce true clones
Summary: DateTimeFormatInfo.Clone doesn't produce true clones
Alias: None
Product: Class Libraries
Classification: Mono
Component: mscorlib ()
Version: 2.10.x
Hardware: PC Windows
: --- normal
Target Milestone: Untriaged
Assignee: Bugzilla
Depends on:
Reported: 2012-02-08 16:26 UTC by Jon Skeet
Modified: 2012-02-09 07:20 UTC (History)
2 users (show)

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

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Description Jon Skeet 2012-02-08 16:26:16 UTC
If you clone a read-only DateTimeFormatInfo to create a mutable one, the internal string arrays (at least some) aren't properly cloned. This allows you to mutate things like the invariant culture, which should really be invariant :)

Output of test code on Mono 2.10.8:

Output of test code on .NET:
Comment 1 Marek Safar 2012-02-09 07:20:54 UTC
Fixed in master