[Pixman] [PATCH] test: Add cover-test

[Matt Turner]

On Tue, May 26, 2015 at 3:58 PM, Ben Avison <bavison at riscosopen.org> wrote:
> This test aims to verify both numerical correctness and the honouring of
> array bounds for scaled plots (both nearest-neighbour and bilinear) at or
> close to the boundary conditions for applicability of "cover" type fast paths
> and iter fetch routines.
>
> It has a secondary purpose: by setting the env var EXACT (to any value) it
> will only test plots that are exactly on the boundary condition. This makes
> it possible to ensure that "cover" routines are being used to the maximum,
> although this requires the use of a debugger or code instrumentation to
> verify.
> ---
> Note that this must be pushed after Pekka's fence-image patches.
>
>  test/Makefile.sources |    1 +
>  test/cover-test.c     |  376 +++++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 377 insertions(+), 0 deletions(-)
>  create mode 100644 test/cover-test.c
>
> diff --git a/test/Makefile.sources b/test/Makefile.sources
> index 14a3710..5b901db 100644
> --- a/test/Makefile.sources
> +++ b/test/Makefile.sources
> @@ -26,6 +26,7 @@ TESTPROGRAMS =                              \
>         glyph-test                    \
>         solid-test                    \
>         stress-test                   \
> +       cover-test                    \

Remember to add cover-test to .gitignore.