[geos-commits] r4159 - trunk/tests/unit/operation/overlay

[svn_geos at osgeo.org]

Author: mloskot
Date: 2016-03-01 07:22:48 -0800 (Tue, 01 Mar 2016)
New Revision: 4159

Modified:
   trunk/tests/unit/operation/overlay/OverlayOpUnionTest.cpp
Log:
Add comment explaining the expected test result

Since the union operation makes no effort to simplify and
drop nodes of degree 2 from the built topology,
do not expect GEOS_LINESTRING.
https://lists.osgeo.org/pipermail/geos-devel/2016-March/007429.html

Modified: trunk/tests/unit/operation/overlay/OverlayOpUnionTest.cpp
===================================================================
--- trunk/tests/unit/operation/overlay/OverlayOpUnionTest.cpp	2016-03-01 13:43:09 UTC (rev 4158)
+++ trunk/tests/unit/operation/overlay/OverlayOpUnionTest.cpp	2016-03-01 15:22:48 UTC (rev 4159)
@@ -38,7 +38,7 @@
     // Test Cases
     //
 
-    // 1 - Union four segments of a square
+    // 1 - Union four connected segments of a square
     template<>
     template<>
     void object::test<1>()
@@ -59,6 +59,10 @@
 
         // Assert
         ensure_equals(lines1234->getGeometryTypeId(), geos::geom::GEOS_MULTILINESTRING);
+        
+        // NOTE: Since the union operation makes no effort to simplify and
+        // drop nodes of degree 2 from the built topology,
+        // do not expect GEOS_LINESTRING.
     }
 
 } // namespace tut