MODULE test_gio ;

(*
   m2-GTK4 test - GIO extras: GListStore (with GtkStringObject items),
   GFile, and GSettings (guarded by a schema lookup so it is safe and
   skips cleanly when the test schema is not installed).

   Needs no display.
*)

FROM GListStore IMPORT g_list_store_new, g_list_store_append,
   g_list_store_remove, g_list_store_find;
FROM GtkStringObject IMPORT gtk_string_object_new,
   gtk_string_object_get_string, gtk_string_object_get_type;
FROM GListModel IMPORT g_list_model_get_n_items, g_list_model_get_item;
FROM GFile IMPORT g_file_new_for_path, g_file_get_basename,
   g_file_get_path, g_file_query_exists;
FROM GSettings IMPORT g_settings_new, g_settings_get_boolean,
   g_settings_set_boolean, g_settings_get_int, g_settings_set_int,
   g_settings_get_string, g_settings_set_string, g_settings_reset,
   g_settings_sync;
FROM GSettingsSchema IMPORT g_settings_schema_source_get_default,
   g_settings_schema_source_lookup, g_settings_schema_unref,
   g_settings_schema_has_key;
FROM GObject IMPORT g_object_unref;
FROM GLib IMPORT g_free;
FROM GtkUtils IMPORT CStrToM2;
FROM SYSTEM IMPORT ADDRESS;
FROM libc IMPORT printf;

VAR
   failed: BOOLEAN;

PROCEDURE Check (condition: BOOLEAN; VAR ok: BOOLEAN; what: ARRAY OF CHAR);
BEGIN
   IF NOT condition THEN
      printf("FAIL: %s\n", what);
      ok := FALSE
   END
END Check;

PROCEDURE TestListStore (VAR ok: BOOLEAN);
VAR
   store, o1, o2, o3, item: ADDRESS;
   pos: CARDINAL;
   buf: ARRAY [0..63] OF CHAR;
BEGIN
   store := g_list_store_new(gtk_string_object_get_type());

   o1 := gtk_string_object_new("one");
   o2 := gtk_string_object_new("two");
   o3 := gtk_string_object_new("three");
   g_list_store_append(store, o1);
   g_list_store_append(store, o2);
   g_list_store_append(store, o3);

   Check(g_list_model_get_n_items(store) = 3, ok, "list store size");

   IF g_list_store_find(store, o3, pos) # 0 THEN
      Check(pos = 2, ok, "list store find position")
   ELSE
      Check(FALSE, ok, "list store find")
   END;

   (* remove the middle item; the rest shift down *)
   g_list_store_remove(store, 1);
   Check(g_list_model_get_n_items(store) = 2, ok, "list store after remove");

   item := g_list_model_get_item(store, 1);
   CStrToM2(gtk_string_object_get_string(item), buf);
   Check((buf[0] = 't') AND (buf[4] = 'e') AND (buf[5] = 0C),
         ok, "list store item text");
   g_object_unref(item);

   (* release our references; the store keeps the items alive *)
   g_object_unref(o1);
   g_object_unref(o2);
   g_object_unref(o3);
   g_object_unref(store)
END TestListStore;

PROCEDURE TestFile (VAR ok: BOOLEAN);
VAR
   file, temp: ADDRESS;
   buf: ARRAY [0..255] OF CHAR;
BEGIN
   file := g_file_new_for_path("/tmp");
   Check(g_file_query_exists(file, NIL) # 0, ok, "file query_exists /tmp");
   temp := g_file_get_basename(file);
   CStrToM2(temp, buf);
   g_free(temp);
   Check((buf[0] = 't') AND (buf[2] = 'p') AND (buf[3] = 0C),
         ok, "file basename");
   g_object_unref(file);

   file := g_file_new_for_path("/no/such/m2gtk4/path");
   Check(g_file_query_exists(file, NIL) = 0, ok, "file missing");
   g_object_unref(file)
END TestFile;

PROCEDURE TestSettings (VAR ok: BOOLEAN);
VAR
   source, schema, settings: ADDRESS;
   text: ADDRESS;
   buf: ARRAY [0..63] OF CHAR;
BEGIN
   source := g_settings_schema_source_get_default();
   schema := g_settings_schema_source_lookup(source, "org.example.m2gtk4", 1);
   IF schema = NIL THEN
      printf("(test schema not installed: GSettings part skipped)\n");
      RETURN
   END;
   Check(g_settings_schema_has_key(schema, "flag") # 0, ok, "schema has flag");
   g_settings_schema_unref(schema);

   settings := g_settings_new("org.example.m2gtk4");

   g_settings_set_boolean(settings, "flag", 1);
   Check(g_settings_get_boolean(settings, "flag") # 0, ok, "settings boolean");
   g_settings_reset(settings, "flag");

   g_settings_set_int(settings, "count", 7);
   Check(g_settings_get_int(settings, "count") = 7, ok, "settings int");
   g_settings_reset(settings, "count");

   g_settings_set_string(settings, "name", "modula");
   text := g_settings_get_string(settings, "name");
   CStrToM2(text, buf);
   g_free(text);
   Check((buf[0] = 'm') AND (buf[5] = 'a') AND (buf[6] = 0C),
         ok, "settings string");
   g_settings_reset(settings, "name");

   g_settings_sync();
   g_object_unref(settings)
END TestSettings;

VAR
   ok: BOOLEAN;
BEGIN
   ok := TRUE;
   TestListStore(ok);
   TestFile(ok);
   TestSettings(ok);

   IF ok THEN
      printf("test_gio: PASS\n");
      HALT(0)
   ELSE
      printf("test_gio: FAIL\n");
      HALT(1)
   END
END test_gio.