[glib: 5/12] glib/tests/dataset: Test id_remove_multiple

[Philip Withnall <pwithnall src gnome org>]

commit 42826576a882930c48bd7d95bc07f3354e51fde1
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Tue Jun 21 18:43:30 2022 -0400

    glib/tests/dataset: Test id_remove_multiple
    
    Test that destroy-funcs are called in the order that the keys are
    specified, not the order that they are found in the datalist.
    
    Helps https://gitlab.gnome.org/GNOME/glib/-/issues/2672

 glib/tests/dataset.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
---
diff --git a/glib/tests/dataset.c b/glib/tests/dataset.c
index 12eb33ab3e..2897e61593 100644
--- a/glib/tests/dataset.c
+++ b/glib/tests/dataset.c
@@ -294,6 +294,41 @@ test_datalist_id_remove_multiple (void)
   g_assert_cmpint (count, ==, 0);
 }
 
+static void
+destroy_func (gpointer data)
+{
+  static int i = 0;
+
+  i++;
+  g_assert_cmpint (GPOINTER_TO_INT (data), ==, i);
+}
+
+static void
+test_datalist_id_remove_multiple_destroy_order (void)
+{
+  /* Test that destroy-funcs are called in the order that the keys are
+   * specified, not the order that they are found in the datalist. */
+  GData *list = NULL;
+  GQuark one = g_quark_from_static_string ("one");
+  GQuark two = g_quark_from_static_string ("two");
+  GQuark three = g_quark_from_static_string ("three");
+  GQuark keys[] = {
+    one,
+    two,
+    three,
+  };
+
+  g_test_bug ("https://gitlab.gnome.org/GNOME/glib/issues/2672";);
+
+  g_datalist_init (&list);
+
+  g_datalist_id_set_data_full (&list, two, GINT_TO_POINTER (2), destroy_func);
+  g_datalist_id_set_data_full (&list, three, GINT_TO_POINTER (3), destroy_func);
+  g_datalist_id_set_data_full (&list, one, GINT_TO_POINTER (1), destroy_func);
+
+  g_datalist_id_remove_multiple (&list, keys, G_N_ELEMENTS (keys));
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -310,6 +345,8 @@ main (int argc, char *argv[])
   g_test_add_func ("/datalist/id", test_datalist_id);
   g_test_add_func ("/datalist/recursive-clear", test_datalist_clear);
   g_test_add_func ("/datalist/id-remove-multiple", test_datalist_id_remove_multiple);
+  g_test_add_func ("/datalist/id-remove-multiple-destroy-order",
+                   test_datalist_id_remove_multiple_destroy_order);
 
   return g_test_run ();
 }