[PROJ] PROJ 6.1 / 6.2 and proj_test_cpp_api results

[Mathieu Peyréga]

Hello,

I have just build PROJ 6.2 under Windows 10, Visual Studio 2019 (in case 
this matters, I included all datum grids as availables here : 
https://proj.org/download.html )

All tests run well, except one on proj_test_cpp_api results :

[  FAILED  ] 1 test, listed below:
[  FAILED  ] operation.compoundCRS_to_compoundCRS_context

I've been checking in debug mode to try and follow what's happening, but 
i'm not really able to understand all steps. I can see the list is 152 
elements long which according to comments seems to be one of the 2 
psosibles list length.

The first elem as tested does not seems to be the expected one checked 
by the asserts, and in the end, the search loop does not find the 
expected element.

I've been compiling and checking the 6.1 code from github and I have the 
same behaviour. Is this a known "bug/regression" or is my build bad ?

Best regards,

Mathieu

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