Add a quick test for tab strips

tests/Makefile.am

@@ -172,6 +172,7 @@ noinst_PROGRAMS =  $(TEST_PROGS)	\
 	gdkgears			\
 	listmodel			\
 	testpopup			\
+	testtabstrip			\
 	$(NULL)
 
 if USE_X11

tests/testtabstrip.c

@@ -0,0 +1,73 @@
+#include <gtk/gtk.h>
+
+static void
+add_stack_child (GtkWidget *stack)
+{
+  static int count;
+  char *name;
+  char *title;
+  GtkWidget *sw, *tv;
+
+  count++;
+
+  name = g_strdup_printf ("tab%d", count);
+  title = g_strdup_printf ("Page %d", count);
+
+  sw = gtk_scrolled_window_new (NULL, NULL);
+  tv = gtk_text_view_new ();
+  gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (tv)), title, -1);
+  g_object_set (tv, "expand", TRUE, NULL);
+  gtk_container_add (GTK_CONTAINER (sw), tv);
+  gtk_widget_show_all (sw);
+
+  gtk_stack_add_titled (GTK_STACK (stack), sw, name, title);
+
+  g_free (name);
+  g_free (title);
+}
+
+int
+main (int argc, char *argv[])
+{
+  GtkWidget *window;
+  GtkWidget *vbox;
+  GtkWidget *tabs;
+  GtkWidget *box;
+  GtkWidget *stack;
+  GtkWidget *button;
+
+  gtk_init (NULL, NULL);
+
+  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+
+  vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+
+  gtk_container_add (GTK_CONTAINER (window), vbox);
+
+  stack = gtk_stack_new ();
+  g_object_set (stack, "expand", TRUE, NULL);
+
+  tabs = gtk_tab_strip_new ();
+  gtk_tab_strip_set_closable (GTK_TAB_STRIP (tabs), TRUE);
+  gtk_tab_strip_set_stack (GTK_TAB_STRIP (tabs), GTK_STACK (stack));
+
+  box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+  gtk_box_pack_start (GTK_BOX (box), tabs, TRUE, TRUE, 0);
+
+  button = gtk_button_new_from_icon_name ("tab-new-symbolic", GTK_ICON_SIZE_BUTTON);
+  gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
+  gtk_box_pack_start (GTK_BOX (box), button, FALSE, FALSE, 0);
+  g_signal_connect_swapped (button, "clicked",
+                            G_CALLBACK (add_stack_child), stack);
+
+  gtk_box_pack_start (GTK_BOX (vbox), box, FALSE, FALSE, 0);
+  gtk_box_pack_start (GTK_BOX (vbox), stack, TRUE, TRUE, 0);
+
+  add_stack_child (stack);
+
+  gtk_widget_show_all (window);
+
+  gtk_main ();
+
+  return 0;
+}