Added test for tessellator fix

(cherry picked from commit 7cc0d92)
qgis · Apr 29, 2020 · ac4dc39 · ac4dc39
1 parent 8dadfa4
commit ac4dc39
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/tests/src/3d/testqgstessellator.cpp b/tests/src/3d/testqgstessellator.cpp
@@ -138,6 +138,7 @@ class TestQgsTessellator : public QObject
     void testCrashEmptyPolygon();
     void testBoundsScaling();
     void testNoZ();
+    void testCrash2DTriangle();
 
   private:
 };
@@ -386,6 +387,14 @@ void TestQgsTessellator::testNoZ()
   QVERIFY( checkTriangleOutput( t.data(), false, tc ) );
 }
 
+void TestQgsTessellator::testCrash2DTriangle()
+{
+  // test tessellation of a 2D triangle - https://github.com/qgis/QGIS/issues/36024
+  QgsPolygon polygon;
+  polygon.fromWkt( "Polygon((0 0, 42 0, 42 42, 0 0))" );
+  QgsTessellator t( 0, 0, true );
+  t.addPolygon( polygon, 0 ); // must not crash - that's all we test here
+}
 
 QGSTEST_MAIN( TestQgsTessellator )
 #include "testqgstessellator.moc"