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[Jamie Clayton <jamie.clayton@xxxxxxxxxxxxxxxxxxxx>]

VS 2010 MS Test also crashes with the same unit tests. :) It also seems
to do it at the same location as the Nunit crash.

Application Name:    QTAgent.exe
  Application Version:    10.0.30319.1
  Application Timestamp:    4ba20efa
  Fault Module Name:    msxml6.dll
  Fault Module Version:    6.30.7600.16385
  Fault Module Timestamp:    4a5bdfc8
  Exception Code:    c0000005
  Exception Offset:    00000000000016d1
  OS Version:    6.1.7600.2.0.0.272.7
  Locale ID:    3081
  Additional Information 1:    3cfc
  Additional Information 2:    3cfc6c6d14bdc651a9c8274b1b406d59
  Additional Information 3:    edd5
  Additional Information 4:    edd5622e8ad533d3357f6496dc3c65f4

Looks like it's an MS bug in x64.  Reading excel files individually
seems to pass unit tests, but if you have a class that reads excel files
and you re-use that to read multiple excel files the application crashes
in Windows x64, but doesn't in a x86 environment.

-- 
2.5.5 x64 net-4.0 crash
https://bugs.launchpad.net/bugs/597265
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Status in NUnit V2 Test Framework: New

Bug description:
Running x64 based unit tests on x64 Windows Server 2008 R2. Get the following crash from VS2010 automating Nunit.exe.
Testing Office 2010 Excel reading with x64 drivers. Running a single test works ok. Running a set of Excel tests causes the application crash. I suspect MS bug in the x64 data drivers, but this is the offending nunit test.


'   Sheet Name and Row/Column Reference
        Console.WriteLine(String.Format(cNunitMessage, "Sheet Name and Row/Column Reference"))
        objDS = objExcel.GetDataSet(System.IO.Path.Combine(GetCurrentPath, "TestData\WithDataInSheet1.xlsx"), "Sheet1$B2:D10")
        If objDS.Tables.Count = 0 Then
            Assert.Fail("No data returned")
        End If

If I run the nunit test by itself it works as expected. If I run all the tests in the nunit class it fails and crashes Nunit. The crash sends a lot of information to Microsoft.