[Dune-devel] Test failure in fvectortest (dune-common)

[Markus Blatt]

On Mon, Apr 14, 2014 at 08:47:24AM +0200, Oliver Sander wrote:
> The reason is simple: line 307 calls FieldVectorMainTest for a 0-size FieldVector, but
> FieldVectorMainTest accesses the first entry of the vector it tests (line 28).
> What puzzles me is that the code has been in there since at least 2010.  Why didn't it
> crash before?

If my memory does not fail me, then even for a zero sized vector we
allocated an array with at least one element. As of 2.2 this was done
in Dune::Array. Since we now use std::array this might not hold any
more.

Markus

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