[Mono-bugs] [Bug 678897] New: Expression<Func<Test, Enum>> expr = u => u.EnumProperty; crashes

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Fri Mar 11 09:51:24 EST 2011



           Summary: Expression<Func<Test, Enum>> expr = u =>
                    u.EnumProperty; crashes
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.6.x
          Platform: i386
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Sys.Core
        AssignedTo: jbevain at novell.com
        ReportedBy: zaxeeq at gmail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---

Created an attachment (id=418874)
 --> (http://bugzilla.novell.com/attachment.cgi?id=418874)
Test code which crashes

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US)
AppleWebKit/534.16 (KHTML, like Gecko) Chrome/10.0.648.127 Safari/534.16

When you use System.Enum as Func result, then the assignment fails.

Reproducible: Always

Steps to Reproduce:
1. Create enum

public enum ETest {

2. Create a class with property of type ETest

public class Test {
  public ETest EnumProperty {

3. Create the expresssion

Expression<Func<Test, Enum>> expr = u => u.EnumProperty;
Actual Results:  
Throws exception:
System.InvalidOperationException: Operation is not valid due to the current
state of the object

Expected Results:  
Successful assignment ​​to variable.

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