[gtk/wip/carlosg/dnd-gestures-2: 4/4] tests: Keep GdkDrop alive on "ask" action

[Carlos Garnacho <carlosg src gnome org>]

commit 231a67ed411b3636df1785ffa248a9e698d56222
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sun Jan 5 20:22:36 2020 +0100

    tests: Keep GdkDrop alive on "ask" action
    
    The GdkDrop is automatically destroyed on drag end, but "ask"
    actions require it to live longer, so the popover can fiddle with
    it later on.

 tests/testdnd2.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/tests/testdnd2.c b/tests/testdnd2.c
index 2264c3b749..ef09a72e1e 100644
--- a/tests/testdnd2.c
+++ b/tests/testdnd2.c
@@ -124,6 +124,10 @@ ask_actions (GdkDrop *drop,
   GtkWidget *popover, *box, *button;
 
   popover = gtk_popover_new (image);
+  g_object_set_data_full (G_OBJECT (popover), "drop-data",
+                         g_object_ref (drop),
+                         (GDestroyNotify) g_object_unref);
+
   box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
   gtk_container_add (GTK_CONTAINER (popover), box);
   button = gtk_button_new_with_label ("Copy");