[tepl] Notebook: write unit tests

[Sébastien Wilmet <swilmet src gnome org>]

commit 7e0034a03d5d16de1d2e07b4aaee2c418cdbf397
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Jun 25 11:03:28 2017 +0200

    Notebook: write unit tests

 testsuite/Makefile.am     |    3 +
 testsuite/test-notebook.c |  139 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 142 insertions(+), 0 deletions(-)
---
diff --git a/testsuite/Makefile.am b/testsuite/Makefile.am
index e80935c..a43c836 100644
--- a/testsuite/Makefile.am
+++ b/testsuite/Makefile.am
@@ -57,6 +57,9 @@ test_fold_region_SOURCES = test-fold-region.c
 UNIT_TEST_PROGS += test-info-bar
 test_info_bar_SOURCES = test-info-bar.c
 
+UNIT_TEST_PROGS += test-notebook
+test_notebook_SOURCES = test-notebook.c
+
 UNIT_TEST_PROGS += test-utils
 test_utils_SOURCES = test-utils.c
 
diff --git a/testsuite/test-notebook.c b/testsuite/test-notebook.c
new file mode 100644
index 0000000..e1df0fd
--- /dev/null
+++ b/testsuite/test-notebook.c
@@ -0,0 +1,139 @@
+/*
+ * This file is part of Tepl, a text editor library.
+ *
+ * Copyright 2017 - Sébastien Wilmet <swilmet gnome org>
+ *
+ * Tepl is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation; either version 2.1 of the License, or (at your
+ * option) any later version.
+ *
+ * Tepl is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <tepl/tepl.h>
+
+static void
+check_list_equal (GList *expected_list,
+                 GList *received_list)
+{
+       GList *l1;
+       GList *l2;
+
+       g_assert_cmpint (g_list_length (expected_list), ==, g_list_length (received_list));
+
+       for (l1 = expected_list, l2 = received_list;
+            l1 != NULL && l2 != NULL;
+            l1 = l1->next, l2 = l2->next)
+       {
+               gpointer expected_data = l1->data;
+               gpointer received_data = l2->data;
+
+               g_assert (expected_data == received_data);
+       }
+
+       g_assert (l1 == NULL);
+       g_assert (l2 == NULL);
+}
+
+static void
+test_tab_group (void)
+{
+       GtkNotebook *notebook;
+       TeplTabGroup *tab_group;
+       GtkWidget *other_widget;
+       TeplTab *tab1;
+       TeplTab *tab2;
+       GList *expected_list;
+       GList *received_list;
+
+       notebook = GTK_NOTEBOOK (tepl_notebook_new ());
+       tab_group = TEPL_TAB_GROUP (notebook);
+       g_object_ref_sink (notebook);
+
+       gtk_widget_show (GTK_WIDGET (notebook));
+
+       /* Empty */
+       g_assert (tepl_tab_group_get_tabs (tab_group) == NULL);
+       g_assert (tepl_tab_group_get_active_tab (tab_group) == NULL);
+
+       /* One child, but not a TeplTab */
+       other_widget = gtk_grid_new ();
+       gtk_widget_show (other_widget);
+       gtk_notebook_append_page (notebook, other_widget, NULL);
+
+       g_assert_cmpint (gtk_notebook_get_n_pages (notebook), ==, 1);
+       g_assert (tepl_tab_group_get_tabs (tab_group) == NULL);
+       g_assert (tepl_tab_group_get_active_tab (tab_group) == NULL);
+
+       /* Append one TeplTab */
+       tab1 = tepl_tab_new ();
+       gtk_widget_show (GTK_WIDGET (tab1));
+       gtk_notebook_append_page (notebook, GTK_WIDGET (tab1), NULL);
+       expected_list = g_list_append (NULL, tab1);
+
+       gtk_notebook_set_current_page (notebook, 1);
+
+       g_assert_cmpint (gtk_notebook_get_n_pages (notebook), ==, 2);
+       g_assert (tepl_tab_group_get_active_tab (tab_group) == tab1);
+
+       received_list = tepl_tab_group_get_tabs (tab_group);
+       check_list_equal (expected_list, received_list);
+       g_list_free (received_list);
+       received_list = NULL;
+
+       gtk_notebook_set_current_page (notebook, 0);
+       g_assert (tepl_tab_group_get_active_tab (tab_group) == NULL);
+
+       received_list = tepl_tab_group_get_tabs (tab_group);
+       check_list_equal (expected_list, received_list);
+       g_list_free (received_list);
+       received_list = NULL;
+
+       /* Append a second TeplTab */
+       tab2 = tepl_tab_new ();
+       gtk_widget_show (GTK_WIDGET (tab2));
+       gtk_notebook_append_page (notebook, GTK_WIDGET (tab2), NULL);
+       expected_list = g_list_append (expected_list, tab2);
+
+       gtk_notebook_set_current_page (notebook, gtk_notebook_page_num (notebook, other_widget));
+       g_assert (tepl_tab_group_get_active_tab (tab_group) == NULL);
+       gtk_notebook_set_current_page (notebook, gtk_notebook_page_num (notebook, GTK_WIDGET (tab1)));
+       g_assert (tepl_tab_group_get_active_tab (tab_group) == tab1);
+       gtk_notebook_set_current_page (notebook, gtk_notebook_page_num (notebook, GTK_WIDGET (tab2)));
+       g_assert (tepl_tab_group_get_active_tab (tab_group) == tab2);
+
+       received_list = tepl_tab_group_get_tabs (tab_group);
+       check_list_equal (expected_list, received_list);
+       g_list_free (received_list);
+       received_list = NULL;
+
+       /* Move tab2 before tab1 */
+       gtk_notebook_reorder_child (notebook, GTK_WIDGET (tab2), 0);
+       expected_list = g_list_reverse (expected_list);
+
+       received_list = tepl_tab_group_get_tabs (tab_group);
+       check_list_equal (expected_list, received_list);
+       g_list_free (received_list);
+       received_list = NULL;
+
+       g_list_free (expected_list);
+       g_object_unref (notebook);
+}
+
+int
+main (int    argc,
+      char **argv)
+{
+       gtk_test_init (&argc, &argv, NULL);
+
+       g_test_add_func ("/notebook/tab-group", test_tab_group);
+
+       return g_test_run ();
+}