[gtk/fix-maplistmodel: 2/2] Add more maplistmodel tests

[Matthias Clasen <matthiasc src gnome org>]

commit 6024c712f9ec593941d390c5d0e29d5c7b227ce0
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Jul 14 16:52:30 2022 -0400

    Add more maplistmodel tests
    
    Add some tests for adding and removing items.

 testsuite/gtk/maplistmodel.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
---
diff --git a/testsuite/gtk/maplistmodel.c b/testsuite/gtk/maplistmodel.c
index 2ee0c4cc64..ac51ca12c9 100644
--- a/testsuite/gtk/maplistmodel.c
+++ b/testsuite/gtk/maplistmodel.c
@@ -295,6 +295,38 @@ test_set_map_func (void)
   g_object_unref (map);
 }
 
+static void
+test_add_items (void)
+{
+  GtkMapListModel *map;
+  GListStore *store;
+
+  store = new_store (1, 5, 1);
+  map = new_model (store);
+  assert_model (map, "2 4 6 8 10");
+  assert_changes (map, "");
+
+  add (store, 6);
+  assert_model (map, "2 4 6 8 10 12");
+  assert_changes (map, "+5*");
+}
+
+static void
+test_remove_items (void)
+{
+  GtkMapListModel *map;
+  GListStore *store;
+
+  store = new_store (1, 5, 1);
+  map = new_model (store);
+  assert_model (map, "2 4 6 8 10");
+  assert_changes (map, "");
+
+  g_list_store_remove (store, 2);
+  assert_model (map, "2 4 8 10");
+  assert_changes (map, "-2*");
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -308,6 +340,8 @@ main (int argc, char *argv[])
   g_test_add_func ("/maplistmodel/create", test_create);
   g_test_add_func ("/maplistmodel/set-model", test_set_model);
   g_test_add_func ("/maplistmodel/set-map-func", test_set_map_func);
+  g_test_add_func ("/maplistmodel/add_items", test_add_items);
+  g_test_add_func ("/maplistmodel/remove_items", test_remove_items);
 
   return g_test_run ();
 }