[Mono-dev] MonoTests.System.IO.StdioFileStreamTest.Write unit test case fails in Solaris 7 sparc

[rajesh.raji at wipro.com]

Hello guys,

 

Please assist us on the below error message:

 

Error Message

 

While trying to run the test suite, I was getting the following error
under mcs/class/Mono.Posix directory:

------------------------------------------------------------------------
-----------------------------------------------

expected:<1>  but was:<0>

  at MonoTests.System.IO.StdioFileStreamTest.Write () [0x000cc] in
/mono_sol7/mono-1.9/mcs/class/Mono.Posix/Test/Mono.Unix/StdioFileStreamT
est.cs:278 

  at (wrapper managed-to-native)
System.Reflection.MonoMethod:InternalInvoke (object,object[])

  at System.Reflection.MonoMethod.Invoke (System.Object obj,
BindingFlags invokeAttr, System.Reflection.Binder binder,
System.Object[] parameters, System.Globalization.CultureInfo culture)
[0x0003f] in
/mono_sol7/mono-1.9/mcs/class/corlib/System.Reflection/MonoMethod.cs:149

------------------------------------------------------------------------
-----------------------------------------------

 

This test suite is working fine for Mono 1.9 on Solaris 10 (x86
architecture) as well as in Linux platforms.

 

Component
Mono.Posix

 

Architecture
Solaris 7, Sparc 32 bit

 

Analysis

On analyzing the cause for the assertion in
"Test/Mono.Unix/StdioFileStreamTest.cs" under Mono.Posix directory, we
observed the following:

 

- Three write operations (stream.Write) was done to the file, after
which a fread command was issued without doing a fseek. 

stream.Write (outbytes, 0, 7);

stream.Write (outbytes, 7, 7);

stream.Write (outbytes, 14, 1);

stream.Read (bytes, 0, 15);

- But the test suite passed, when I tweaked a fseek (stream.Seek)
between the write and read operations.

- I suspect this should be the problem as the 'bytes' array is filled
with zero after the read operation which is not the expected case.

 

Any idea/suggestions on this issue are appreciated!

 

Thanks a lot in advance for the help rendered.

 

Thanks

Rajesh

 

 


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