[Mono-bugs] [Bug 665141] New: Spurious / incorrect AvoidMethodWithUnusedGenericTypeRule firing on [CompilerGenerated] methods

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Tue Jan 18 09:16:35 EST 2011



           Summary: Spurious / incorrect
                    AvoidMethodWithUnusedGenericTypeRule firing on
                    [CompilerGenerated] methods
    Classification: Mono
           Product: Mono: Tools
           Version: 2.10.x
          Platform: 64bit
        OS/Version: Windows 7
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Gendarme
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: ethan_j_brown at hotmail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---

Created an attachment (id=408833)
 --> (http://bugzilla.novell.com/attachment.cgi?id=408833)
Demonstrates spurious AvoidMethodWithUnusedGenericTypeRule

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US)
AppleWebKit/534.16 (KHTML, like Gecko) Chrome/10.0.634.0 Safari/534.16

During the compilation of a class with generic methods, the compiler generates
several private generic methods that don't use the generic type parameter,
flagging them with [CompilerGenerated] in the assembly.

Gendarme flags these as defects, even though the code is not strictly

Reproducible: Always

Steps to Reproduce:
1.Run Gendarme 2.10.x with ruleset EPS on attached assembly
Actual Results:  
2. AvoidMethodWithUnusedGenericTypeRule

Problem: One or more generic type parameters are not used in the formal
parameter list.
* Severity: Medium, Confidence: High
* Target:   System.Boolean
* Source:   C:\Source\Common\source\EPS.Utility\Diagnostics\LogHelper.cs(≈32)
* Details:  Generic parameter 'T' is not used by the method parameters.

Solution: This prevents the compiler from inferring types when the method is
used which results in hard to use API definitions.
More info available at:

Expected Results:  
No defects listed.

[CompilerGenerated] methods should be ignored in this case.

Run using attached Xml rules file and ruleset EPS.

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