Add test for QgsGeometryCollection::vertexAt with negative part index

agiudiceandrea · nyalldawson · commit b7f4d7f30773 · 2023-04-18T12:06:20.000+10:00
diff --git a/tests/src/core/geometry/testqgsgeometrycollection.cpp b/tests/src/core/geometry/testqgsgeometrycollection.cpp
@@ -58,6 +58,8 @@ void TestQgsGeometryCollection::geometryCollection()
   QCOMPARE( c1.vertexCount( 0, 0 ), 0 );
   QCOMPARE( c1.vertexCount( 0, 1 ), 0 );
   QCOMPARE( c1.vertexCount( 1, 0 ), 0 );
+  // no crash!
+  QCOMPARE( c1.vertexAt( QgsVertexId( -1, -1, -1 ) ), QgsPoint() );
 
   //addGeometry
 
