[geos-devel] OverlayNG for Testing

[Regina Obe]

Are these expected to fail?

344: Files: 1
344: Tests: 143
344: Failed: 0
344: Succeeded: 143
344/344 Test #344: validate-TestRelatePP ....................................   Passed    0.01 sec

92% tests passed, 28 tests failed out of 344

Total Test time (real) =  12.45 sec

The following tests FAILED:
         46 - unit-capi-GEOSGeom_setPrecision (Failed)
         52 - unit-capi-GEOSIntersection (Failed)
         57 - unit-capi-GEOSMakeValid (Failed)
         79 - unit-capi-GEOSUnaryUnion (Failed)
        148 - unit-operation-geounion-CascadedPolygonUnion (Failed)
        152 - unit-operation-linemerge-LineMerger (Failed)
        154 - unit-operation-overlay-OverlayOpUnion (Failed)
        200 - general-TestFunctionAA (Failed)
        201 - general-TestFunctionAAPrec (Failed)
        202 - general-TestFunctionLA (Failed)
        203 - general-TestFunctionLAPrec (Failed)
        204 - general-TestFunctionLL (Failed)
        205 - general-TestFunctionLLPrec (Failed)
        207 - general-TestFunctionPL (Failed)
        234 - general-TestUnaryUnion (Failed)
        246 - issue-issue-geos-350 (Failed)
        248 - issue-issue-geos-358 (Failed)
        249 - issue-issue-geos-360 (Failed)
        254 - issue-issue-geos-459 (Failed)
        255 - issue-issue-geos-488 (Failed)
        256 - issue-issue-geos-527 (Failed)
        259 - issue-issue-geos-586 (Failed)
        260 - issue-issue-geos-599 (Failed)
        262 - issue-issue-geos-615 (Failed)
        264 - issue-issue-geos-837 (Failed)
        265 - issue-issue-geos-838 (Failed)
        288 - misc-split (Failed)
        292 - robust-TestRobustOverlayFixed (Failed)
Errors while running CTest

> -----Original Message-----
> From: geos-devel [mailto:geos-devel-bounces at lists.osgeo.org] On Behalf
> Of Paul Ramsey
> Sent: Wednesday, July 29, 2020 3:54 PM
> To: GEOS Development List <geos-devel at lists.osgeo.org>
> Subject: [geos-devel] OverlayNG for Testing
> 
> OK, as requested it is now possible to test OverlayNG using C clients.
> 
> https://github.com/libgeos/geos/commit/c6774a6a48b2
> 
> For autotools, use
> 
>   --enable-overlayng
> 
> For cmake, add
> 
>   -DDISABLE_OVERLAYNG=OFF
> 
> No guarantees, this is completely untested, except insofar as it all still
> compiles in the default state (which is overlayng off).
> 
> The goal, of course, is to get to a point before release where the default
> state can be overlayng on.
> 
> Some things we already know don't work:
> 
> - 3D! GEOS uniquely has supported adding in Z coordinates to introduced
> coordinates, and that code hasn't been added to JTS (and thus overlayng).
> How this will affect existing expectations for 3D output is unknown, but it's
> sure to be broken in some way.
> - Union on linestrings! OverlayNG extracts maximal length linestrings from
> the unioned graph. Old overlay extracted minimal length linestrings. This
> change is probably "for the best" but it's a change which might impact
> existing logic.
> 
> ATB,
> 
> P
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