[libadwaita/wip/exalm/carousel-refactor] carousel: Check position in insert() and reorder()

[Alexander Mikhaylenko <alexm src gnome org>]

commit 398810168083c5e80d59c6ec9b97df4c9b2eb8b2
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Fri Apr 30 16:38:26 2021 +0500

    carousel: Check position in insert() and reorder()

 src/adw-carousel.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/adw-carousel.c b/src/adw-carousel.c
index 441d67f..ece1c5e 100644
--- a/src/adw-carousel.c
+++ b/src/adw-carousel.c
@@ -1237,6 +1237,7 @@ adw_carousel_insert (AdwCarousel *self,
 
   g_return_if_fail (ADW_IS_CAROUSEL (self));
   g_return_if_fail (GTK_IS_WIDGET (widget));
+  g_return_if_fail (position >= -1);
 
   info = g_new0 (ChildInfo, 1);
   info->widget = widget;
@@ -1281,6 +1282,7 @@ adw_carousel_reorder (AdwCarousel *self,
 
   g_return_if_fail (ADW_IS_CAROUSEL (self));
   g_return_if_fail (GTK_IS_WIDGET (child));
+  g_return_if_fail (position >= -1);
 
   closest_point = get_closest_snap_point (self);