[Bug 45032] New: WineTest does not run the vcomp tests

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=45032

            Bug ID: 45032
           Summary: WineTest does not run the vcomp tests
           Product: Wine
           Version: unspecified
          Hardware: x86
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: vcomp
          Assignee: wine-bugs at winehq.org
          Reporter: fgouget at codeweavers.com
      Distribution: ---

So WineTest is not running the vcomp tests. What happens is this:

* It parses the vcomp_test.exe filename and concludes that this tests the vcomp
dll.

* It does a LoadLibraryExA("vcomp.dll", NULL, LOAD_LIBRARY_AS_DATAFILE) which
fails (as expected) and concludes that the dll is missing:

    vcomp=dll is missing

* Since the dll is missing WineTest skips the vcomp tests.

According to Dan Kegel (see bug 31609) this is a manifest / activation context
issue and he sent a patch for it [1]. However the patch was for the TestBot
[2], not WineTest, and as far as I can tell it's not working.

Furthermore WineTest already has activation context code that seems equivalent
to Dan Kegel's patch.


Note that not all VMs have vcomp.dll. Based on the current results the 32 bit
dll is present on the TestBot's w2000pro, wxppro, w2003std, wvistau64*,
w2008s64, w8, w864 VMs and the 64 bit one is present on wvistau64, w2008s64 and
w864.

Note that some online resources seem to imply that vcomp.dll is present in the
Visual C++ 2005 redistributable (and VC++ 2005 was indeed installed on all the
VMs that have vcomp.dll except w2008s64 (though maybe it was installed and it
was not written down)). Some VMs seem to have other versions such as
vcomp90.dll but not vcomp.dll.


[1] https://bugs.winehq.org/show_bug.cgi?id=31609
    https://www.winehq.org/pipermail/wine-patches/2012-September/117631.html

[2] Paradoxically the TestBot has no problem running the vcomp tests now that
they dynamically load the vcomp dll. That's because the TestBot makes no
assumption based on the executable filename since one can upload test binaries
that don't follow any naming scheme. So now that the test dynamically loads
vcomp.dll the TestBot cannot check for it.

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