Bug 6402 - Guid.TryParse and Guide.TryParseExact throw exceptions when they should not
Summary: Guid.TryParse and Guide.TryParseExact throw exceptions when they should not
Status: RESOLVED FIXED
Alias: None
Product: Class Libraries
Classification: Mono
Component: mscorlib ()
Version: master
Hardware: Macintosh Mac OS
: --- normal
Target Milestone: Untriaged
Assignee: Bugzilla
URL:
Depends on:
Blocks:
 
Reported: 2012-08-05 23:45 UTC by Martin Potter
Modified: 2012-08-09 05:13 UTC (History)
2 users (show)

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

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Status:
RESOLVED FIXED

Description Martin Potter 2012-08-05 23:45:58 UTC
According to the MSDN documentation, http://msdn.microsoft.com/en-us/library/system.guid.tryparse.aspx and http://msdn.microsoft.com/en-us/library/system.guid.tryparseexact.aspx, Guid.TryParse and Guid.TryParseExact should not throw exceptions when the input string is null. Mono incorrectly throws ArgumentNullException exceptions in the try parse methods. To reproduce, run the following code:

Guid guid;
bool success = Guid.TryParse(null, out guid);

Expected result:

success should be false and guid should be equal to Guid.Empty.

Actual:

Mono throws an ArgumentNullException for input.
Comment 1 Martin Potter 2012-08-05 23:48:09 UTC
Submitted pull request with fix, https://github.com/mono/mono/pull/416