[gtk/wip/matthiasc/sortlistmodel: 7/7] Add a simple sorting testcase

[Matthias Clasen <matthiasc src gnome org>]

commit 1af22716b7727d6aa99e9f4861052e4502dba784
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jul 11 10:45:47 2020 -0400

    Add a simple sorting testcase
    
    Testcase for gathering profiler data.
    This just sorts a million items, and then quits.

 tests/meson.build |  1 +
 tests/sorting.c   | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 79 insertions(+)
---
diff --git a/tests/meson.build b/tests/meson.build
index 4618df6b97..3afe241dfa 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -11,6 +11,7 @@ gtk_tests = [
   ['scrolling-performance', ['frame-stats.c', 'variable.c']],
   ['blur-performance', ['../gsk/gskcairoblur.c']],
   ['simple'],
+  ['sorting'],
   ['video-timer', ['variable.c']],
   ['testaccel'],
   ['testadjustsize'],
diff --git a/tests/sorting.c b/tests/sorting.c
new file mode 100644
index 0000000000..507c9ca81b
--- /dev/null
+++ b/tests/sorting.c
@@ -0,0 +1,78 @@
+#include <gtk/gtk.h>
+
+static GListModel *
+get_model (guint size)
+{
+  GtkStringList *model;
+  guint i;
+
+  model = gtk_string_list_new (NULL);
+
+  for (i = 0; i < size; i++)
+    {
+      char *string = g_strdup_printf ("%d", g_random_int_range (0, 1000000));
+      gtk_string_list_append (model, string);
+      g_free (string);
+    }
+
+  return G_LIST_MODEL (model);
+}
+
+static int
+sort_func (gconstpointer a, gconstpointer b, gpointer data)
+{
+  return strcmp (gtk_string_object_get_string (GTK_STRING_OBJECT ((gpointer)a)),
+                 gtk_string_object_get_string (GTK_STRING_OBJECT ((gpointer)b)));
+}
+
+static void
+sorting_changed (GtkSor3ListModel *model)
+{
+  gboolean sorting;
+
+  g_object_get (model, "sorting", &sorting, NULL);
+
+  if (!sorting)
+    exit (0);
+}
+
+static gboolean
+start_sort (gpointer data)
+{
+  GListModel *model = data;
+  GListModel *sort;
+  GtkSorter *sorter;
+
+  sorter = GTK_SORTER (gtk_custom_sorter_new (sort_func, NULL, NULL));
+
+  if (g_getenv ("TIMSORT"))
+    {
+      sort = G_LIST_MODEL (gtk_tim2_sort_model_new (model, NULL));
+      gtk_tim2_sort_model_set_sorter (GTK_TIM2_SORT_MODEL (sort), sorter);
+    }
+  else
+    {
+      sort = G_LIST_MODEL (gtk_sor3_list_model_new (model, NULL));
+      gtk_sor3_list_model_set_sorter (GTK_SOR3_LIST_MODEL (sort), sorter);
+    }
+
+  g_signal_connect (sort, "notify::sorting", G_CALLBACK (sorting_changed), NULL);
+
+  return G_SOURCE_REMOVE;
+}
+
+int main (int argc, char *argv[])
+{
+  GListModel *model;
+
+  gtk_init ();
+
+  model = get_model (1000000);
+
+  g_idle_add (start_sort, model);
+
+  while (1)
+    g_main_context_iteration (NULL, TRUE);
+
+  return 0;
+}