diff --git a/tests/auto/gui/painting/qpainterpath/tst_qpainterpath.cpp b/tests/auto/gui/painting/qpainterpath/tst_qpainterpath.cpp
index 9938230551..20ee6e07c7 100644
--- a/tests/auto/gui/painting/qpainterpath/tst_qpainterpath.cpp
+++ b/tests/auto/gui/painting/qpainterpath/tst_qpainterpath.cpp
@@ -1220,38 +1220,65 @@ void tst_QPainterPath::testNaNandInfinites()
     QPointF p3 = QPointF(qQNaN(), 1);
     QPointF pInf = QPointF(qInf(), 1);
 
-    // all these operations with NaN/Inf should be ignored
-    // can't test operator>> reliably, as we can't create a path with NaN to << later
+    // All these operations with NaN/Inf should be ignored.
+    // Can't test operator>> reliably, as we can't create a path with NaN to << later.
+#ifdef QT_NO_DEBUG
+#  define WARNS(name)
+#else
+#  define WARNS(name) \
+    QTest::ignoreMessage(QtWarningMsg, "QPainterPath::" #name ": " \
+                         "Adding point with invalid coordinates, ignoring call")
+#endif
 
+    WARNS(moveTo);
     path1.moveTo(p1);
+    WARNS(moveTo);
     path1.moveTo(qSNaN(), qQNaN());
+    WARNS(moveTo);
     path1.moveTo(pInf);
 
+    WARNS(lineTo);
     path1.lineTo(p1);
+    WARNS(lineTo);
     path1.lineTo(qSNaN(), qQNaN());
+    WARNS(lineTo);
     path1.lineTo(pInf);
 
+    WARNS(cubicTo);
     path1.cubicTo(p1, p2, p3);
+    WARNS(cubicTo);
     path1.cubicTo(p1, QPointF(1, 1), QPointF(2, 2));
+    WARNS(cubicTo);
     path1.cubicTo(pInf, QPointF(10, 10), QPointF(5, 1));
 
+    WARNS(quadTo);
     path1.quadTo(p1, p2);
+    WARNS(quadTo);
     path1.quadTo(QPointF(1, 1), p3);
+    WARNS(quadTo);
     path1.quadTo(QPointF(1, 1), pInf);
 
+    WARNS(arcTo);
     path1.arcTo(QRectF(p1, p2), 5, 5);
+    WARNS(arcTo);
     path1.arcTo(QRectF(pInf, QPointF(1, 1)), 5, 5);
 
+    WARNS(addRect);
     path1.addRect(QRectF(p1, p2));
+    WARNS(addRect);
     path1.addRect(QRectF(pInf, QPointF(1, 1)));
 
+    WARNS(addEllipse);
     path1.addEllipse(QRectF(p1, p2));
+    WARNS(addEllipse);
     path1.addEllipse(QRectF(pInf, QPointF(1, 1)));
 
+#undef WARNS
+
     QCOMPARE(path1, path2);
 
     path1.lineTo(QPointF(1, 1));
-    QVERIFY(path1 != path2);
+    QCOMPARE_NE(path1, path2);
 }
 #endif // signaling_nan