920 lines
29 KiB
C
920 lines
29 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; coding: utf-8 -*- */
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/* test-undo-manager.c
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* This file is part of GtkSourceView
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*
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* Copyright (C) 2013, 2014, 2015 - Sébastien Wilmet <swilmet@gnome.org>
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*
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* GtkSourceView is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* GtkSourceView is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <gtk/gtk.h>
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#include <gtksourceview/gtksource.h>
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static void
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insert_text (GtkSourceBuffer *buffer,
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const gchar *text)
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{
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GtkTextBuffer *text_buffer = GTK_TEXT_BUFFER (buffer);
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GtkTextIter iter;
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gtk_text_buffer_begin_user_action (text_buffer);
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gtk_text_buffer_get_end_iter (text_buffer, &iter);
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gtk_text_buffer_insert (text_buffer, &iter, text, -1);
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gtk_text_buffer_end_user_action (text_buffer);
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}
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static void
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delete_first_line (GtkSourceBuffer *buffer)
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{
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GtkTextIter start;
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GtkTextIter end;
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gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (buffer), &start);
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gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (buffer), &end, 1);
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gtk_text_buffer_begin_user_action (GTK_TEXT_BUFFER (buffer));
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gtk_text_buffer_delete (GTK_TEXT_BUFFER (buffer), &start, &end);
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gtk_text_buffer_end_user_action (GTK_TEXT_BUFFER (buffer));
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}
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/* If forward is FALSE, the Backspace key is simulated. If forward is TRUE, the
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* Delete key is simulated.
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*/
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static void
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delete_char_at_offset (GtkSourceBuffer *source_buffer,
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gint offset,
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gboolean forward)
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{
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GtkTextBuffer *buffer = GTK_TEXT_BUFFER (source_buffer);
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GtkTextIter start;
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GtkTextIter end;
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gtk_text_buffer_get_iter_at_offset (buffer, &start, offset);
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end = start;
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gtk_text_iter_forward_char (&end);
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if (forward)
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{
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gtk_text_buffer_place_cursor (buffer, &start);
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}
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else
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{
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GtkTextIter start_copy;
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gtk_text_buffer_place_cursor (buffer, &end);
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/* Swap start and end so that start > end, to test if in the
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* delete-range callback start and end are reordered.
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*/
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start_copy = start;
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start = end;
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end = start_copy;
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}
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gtk_text_buffer_begin_user_action (buffer);
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gtk_text_buffer_delete (buffer, &start, &end);
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gtk_text_buffer_end_user_action (buffer);
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}
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static gchar *
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get_contents (GtkSourceBuffer *buffer)
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{
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GtkTextIter start;
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GtkTextIter end;
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gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (buffer), &start);
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gtk_text_buffer_get_end_iter (GTK_TEXT_BUFFER (buffer), &end);
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return gtk_text_buffer_get_text (GTK_TEXT_BUFFER (buffer), &start, &end, TRUE);
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}
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static void
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check_max_undo_levels (GtkSourceBuffer *buffer,
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gboolean several_user_actions)
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{
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gint max_levels = gtk_source_buffer_get_max_undo_levels (buffer);
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gint nb_redos = 0;
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gint nb_undos = 0;
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gint i = 0;
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g_assert_cmpint (max_levels, >=, 0);
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/* Redo all actions */
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while (gtk_source_buffer_can_redo (buffer))
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{
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gtk_source_buffer_redo (buffer);
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nb_redos++;
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g_assert_cmpint (nb_redos, <=, max_levels);
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}
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/* Undo all actions */
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while (gtk_source_buffer_can_undo (buffer))
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{
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gtk_source_buffer_undo (buffer);
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nb_undos++;
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g_assert_cmpint (nb_undos, <=, max_levels);
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}
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/* Add max_levels+1 actions */
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for (i = 0; i <= max_levels; i++)
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{
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if (several_user_actions)
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{
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gtk_text_buffer_begin_user_action (GTK_TEXT_BUFFER (buffer));
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insert_text (buffer, "foobar\n");
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delete_char_at_offset (buffer, 0, FALSE);
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gtk_text_buffer_end_user_action (GTK_TEXT_BUFFER (buffer));
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}
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else
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{
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insert_text (buffer, "foobar\n");
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}
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}
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/* Check number of possible undos */
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nb_undos = 0;
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while (gtk_source_buffer_can_undo (buffer))
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{
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gtk_source_buffer_undo (buffer);
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nb_undos++;
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}
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g_assert_cmpint (nb_undos, ==, max_levels);
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}
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static void
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test_get_set_max_undo_levels (void)
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{
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GtkSourceBuffer *buffer = gtk_source_buffer_new (NULL);
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g_assert_cmpint (gtk_source_buffer_get_max_undo_levels (buffer), >=, -1);
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gtk_source_buffer_set_max_undo_levels (buffer, -1);
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g_assert_cmpint (gtk_source_buffer_get_max_undo_levels (buffer), ==, -1);
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gtk_source_buffer_set_max_undo_levels (buffer, 3);
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g_assert_cmpint (gtk_source_buffer_get_max_undo_levels (buffer), ==, 3);
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g_object_unref (buffer);
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}
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static void
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test_single_action (void)
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{
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GtkSourceBuffer *buffer = gtk_source_buffer_new (NULL);
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gtk_source_buffer_set_max_undo_levels (buffer, -1);
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g_assert (!gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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insert_text (buffer, "foo");
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g_assert (gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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gtk_source_buffer_undo (buffer);
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g_assert (!gtk_source_buffer_can_undo (buffer));
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g_assert (gtk_source_buffer_can_redo (buffer));
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gtk_source_buffer_redo (buffer);
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g_assert (gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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g_object_unref (buffer);
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}
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static void
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test_lose_redo_actions (void)
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{
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GtkSourceBuffer *buffer = gtk_source_buffer_new (NULL);
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gtk_source_buffer_set_max_undo_levels (buffer, -1);
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insert_text (buffer, "foo\n");
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insert_text (buffer, "bar\n");
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g_assert (gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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gtk_source_buffer_undo (buffer);
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g_assert (gtk_source_buffer_can_undo (buffer));
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g_assert (gtk_source_buffer_can_redo (buffer));
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insert_text (buffer, "baz\n");
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g_assert (gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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g_object_unref (buffer);
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}
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static void
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test_max_undo_levels (void)
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{
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GtkSourceBuffer *buffer = gtk_source_buffer_new (NULL);
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gint min = 0;
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gint max = 5;
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gint i;
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/* Increase */
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for (i = min; i <= max; i++)
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{
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gtk_source_buffer_set_max_undo_levels (buffer, i);
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check_max_undo_levels (buffer, FALSE);
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check_max_undo_levels (buffer, TRUE);
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}
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/* Decrease */
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for (i = max; i >= min; i--)
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{
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gtk_source_buffer_set_max_undo_levels (buffer, i);
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check_max_undo_levels (buffer, FALSE);
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check_max_undo_levels (buffer, TRUE);
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}
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/* can redo: TRUE -> FALSE */
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gtk_source_buffer_set_max_undo_levels (buffer, 3);
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check_max_undo_levels (buffer, FALSE);
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check_max_undo_levels (buffer, TRUE);
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while (gtk_source_buffer_can_redo (buffer))
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{
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gtk_source_buffer_redo (buffer);
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}
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gtk_source_buffer_undo (buffer);
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g_assert (gtk_source_buffer_can_redo (buffer));
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gtk_source_buffer_set_max_undo_levels (buffer, 2);
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g_assert (!gtk_source_buffer_can_redo (buffer));
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g_object_unref (buffer);
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}
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static void
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test_not_undoable_action (void)
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{
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GtkSourceBuffer *buffer = gtk_source_buffer_new (NULL);
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gtk_source_buffer_set_max_undo_levels (buffer, -1);
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/* On empty buffer */
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gtk_source_buffer_begin_not_undoable_action (buffer);
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gtk_text_buffer_set_text (GTK_TEXT_BUFFER (buffer), "foo\n", -1);
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gtk_source_buffer_end_not_undoable_action (buffer);
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g_assert (!gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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/* begin_user_action inside */
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gtk_source_buffer_begin_not_undoable_action (buffer);
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gtk_text_buffer_begin_user_action (GTK_TEXT_BUFFER (buffer));
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gtk_text_buffer_insert_at_cursor (GTK_TEXT_BUFFER (buffer), "bar\n", -1);
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gtk_text_buffer_end_user_action (GTK_TEXT_BUFFER (buffer));
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gtk_source_buffer_end_not_undoable_action (buffer);
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g_assert (!gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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/* In the middle of an action history */
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insert_text (buffer, "foo\n");
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insert_text (buffer, "bar\n");
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g_assert (gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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gtk_source_buffer_undo (buffer);
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g_assert (gtk_source_buffer_can_undo (buffer));
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g_assert (gtk_source_buffer_can_redo (buffer));
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gtk_source_buffer_begin_not_undoable_action (buffer);
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gtk_text_buffer_set_text (GTK_TEXT_BUFFER (buffer), "new text\n", -1);
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gtk_source_buffer_end_not_undoable_action (buffer);
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g_assert (!gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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/* Empty undoable action */
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insert_text (buffer, "foo\n");
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insert_text (buffer, "bar\n");
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gtk_source_buffer_undo (buffer);
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g_assert (gtk_source_buffer_can_undo (buffer));
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g_assert (gtk_source_buffer_can_redo (buffer));
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gtk_source_buffer_begin_not_undoable_action (buffer);
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gtk_source_buffer_end_not_undoable_action (buffer);
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g_assert (!gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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/* Behavior _during_ a not undoable action */
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/* The API doesn't explain what should be the behaviors in the
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* following situations (also for nested). So it is just "undefinied
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* behavior", and it can change in the future.
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* What is certain is that after the last end_not_undoable_action() (if
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* the calls are nested), the history is cleared and it is not possible
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* to undo or redo.
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*/
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insert_text (buffer, "foo\n");
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insert_text (buffer, "bar\n");
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gtk_source_buffer_undo (buffer);
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gtk_source_buffer_begin_not_undoable_action (buffer);
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g_assert (gtk_source_buffer_can_undo (buffer));
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g_assert (gtk_source_buffer_can_redo (buffer));
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gtk_source_buffer_redo (buffer);
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g_assert (gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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gtk_text_buffer_set_text (GTK_TEXT_BUFFER (buffer), "new text\n", -1);
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gtk_source_buffer_end_not_undoable_action (buffer);
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g_assert (!gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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/* Nested */
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insert_text (buffer, "foo\n");
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insert_text (buffer, "bar\n");
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gtk_source_buffer_undo (buffer);
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gtk_source_buffer_begin_not_undoable_action (buffer);
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insert_text (buffer, "foo\n");
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gtk_source_buffer_begin_not_undoable_action (buffer);
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insert_text (buffer, "inserted text\n");
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gtk_source_buffer_end_not_undoable_action (buffer);
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insert_text (buffer, "blah\n");
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gtk_source_buffer_end_not_undoable_action (buffer);
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g_assert (!gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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insert_text (buffer, "blah\n");
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g_assert (gtk_source_buffer_can_undo (buffer));
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g_assert (!gtk_source_buffer_can_redo (buffer));
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g_object_unref (buffer);
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}
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static void
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check_contents_history (GtkSourceBuffer *buffer,
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GList *contents_history)
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{
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GList *l;
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/* Go to the end */
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while (gtk_source_buffer_can_redo (buffer))
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{
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gtk_source_buffer_redo (buffer);
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}
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/* Check all the undo's */
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for (l = g_list_last (contents_history); l != NULL; l = l->prev)
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{
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gchar *cur_contents = get_contents (buffer);
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g_assert_cmpstr (cur_contents, ==, l->data);
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g_free (cur_contents);
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if (gtk_source_buffer_can_undo (buffer))
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{
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gtk_source_buffer_undo (buffer);
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}
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else
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{
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g_assert (l->prev == NULL);
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}
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}
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/* Check all the redo's */
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for (l = contents_history; l != NULL; l = l->next)
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{
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gchar *cur_contents = get_contents (buffer);
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g_assert_cmpstr (cur_contents, ==, l->data);
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g_free (cur_contents);
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if (gtk_source_buffer_can_redo (buffer))
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{
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gtk_source_buffer_redo (buffer);
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}
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else
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{
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g_assert (l->next == NULL);
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}
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}
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}
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static void
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test_contents (void)
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{
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GtkSourceBuffer *buffer = gtk_source_buffer_new (NULL);
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GList *contents_history = g_list_append (NULL, get_contents (buffer));
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gtk_source_buffer_set_max_undo_levels (buffer, -1);
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insert_text (buffer, "hello\n");
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contents_history = g_list_append (contents_history, get_contents (buffer));
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check_contents_history (buffer, contents_history);
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insert_text (buffer, "world\n");
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contents_history = g_list_append (contents_history, get_contents (buffer));
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check_contents_history (buffer, contents_history);
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delete_first_line (buffer);
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contents_history = g_list_append (contents_history, get_contents (buffer));
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check_contents_history (buffer, contents_history);
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delete_first_line (buffer);
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contents_history = g_list_append (contents_history, get_contents (buffer));
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check_contents_history (buffer, contents_history);
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g_list_free_full (contents_history, g_free);
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g_object_unref (buffer);
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}
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static void
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test_merge_actions (void)
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{
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GtkSourceBuffer *buffer = gtk_source_buffer_new (NULL);
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GList *contents_history = g_list_append (NULL, get_contents (buffer));
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gtk_source_buffer_set_max_undo_levels (buffer, -1);
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/* Different action types (an insert followed by a delete) */
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insert_text (buffer, "a");
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contents_history = g_list_append (contents_history, get_contents (buffer));
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delete_char_at_offset (buffer, 0, FALSE);
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contents_history = g_list_append (contents_history, get_contents (buffer));
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check_contents_history (buffer, contents_history);
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/* Mergeable inserts */
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insert_text (buffer, "b");
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insert_text (buffer, "c");
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contents_history = g_list_append (contents_history, get_contents (buffer));
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check_contents_history (buffer, contents_history);
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/* Mergeable deletes */
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delete_char_at_offset (buffer, 1, FALSE);
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delete_char_at_offset (buffer, 0, FALSE);
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contents_history = g_list_append (contents_history, get_contents (buffer));
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check_contents_history (buffer, contents_history);
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/* Non-mergeable deletes */
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insert_text (buffer, "def");
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contents_history = g_list_append (contents_history, get_contents (buffer));
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delete_char_at_offset (buffer, 2, FALSE);
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contents_history = g_list_append (contents_history, get_contents (buffer));
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delete_char_at_offset (buffer, 0, TRUE);
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delete_char_at_offset (buffer, 0, TRUE);
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contents_history = g_list_append (contents_history, get_contents (buffer));
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check_contents_history (buffer, contents_history);
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/* Insert two words */
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insert_text (buffer, "g");
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insert_text (buffer, "h");
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contents_history = g_list_append (contents_history, get_contents (buffer));
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insert_text (buffer, " ");
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insert_text (buffer, "i");
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contents_history = g_list_append (contents_history, get_contents (buffer));
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check_contents_history (buffer, contents_history);
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/* Delete the two words (with backspace) */
|
|
delete_char_at_offset (buffer, 3, FALSE);
|
|
delete_char_at_offset (buffer, 2, FALSE);
|
|
contents_history = g_list_append (contents_history, get_contents (buffer));
|
|
|
|
delete_char_at_offset (buffer, 1, FALSE);
|
|
delete_char_at_offset (buffer, 0, FALSE);
|
|
contents_history = g_list_append (contents_history, get_contents (buffer));
|
|
check_contents_history (buffer, contents_history);
|
|
|
|
/* Delete two words (with delete) */
|
|
insert_text (buffer, "jk l");
|
|
contents_history = g_list_append (contents_history, get_contents (buffer));
|
|
|
|
delete_char_at_offset (buffer, 0, TRUE);
|
|
delete_char_at_offset (buffer, 0, TRUE);
|
|
contents_history = g_list_append (contents_history, get_contents (buffer));
|
|
|
|
delete_char_at_offset (buffer, 0, TRUE);
|
|
delete_char_at_offset (buffer, 0, TRUE);
|
|
contents_history = g_list_append (contents_history, get_contents (buffer));
|
|
check_contents_history (buffer, contents_history);
|
|
|
|
g_list_free_full (contents_history, g_free);
|
|
g_object_unref (buffer);
|
|
}
|
|
|
|
static void
|
|
test_several_user_actions (void)
|
|
{
|
|
GtkSourceBuffer *source_buffer = gtk_source_buffer_new (NULL);
|
|
GtkTextBuffer *text_buffer = GTK_TEXT_BUFFER (source_buffer);
|
|
GList *contents_history = g_list_append (NULL, get_contents (source_buffer));
|
|
GtkTextIter iter;
|
|
|
|
gtk_source_buffer_set_max_undo_levels (source_buffer, -1);
|
|
|
|
/* Contiguous insertions */
|
|
gtk_text_buffer_begin_user_action (text_buffer);
|
|
insert_text (source_buffer, "hello\n");
|
|
insert_text (source_buffer, "world\n");
|
|
gtk_text_buffer_end_user_action (text_buffer);
|
|
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
/* Non-contiguous insertions */
|
|
gtk_text_buffer_begin_user_action (text_buffer);
|
|
gtk_text_buffer_get_iter_at_offset (text_buffer, &iter, 0);
|
|
gtk_text_buffer_insert (text_buffer, &iter, "a", -1);
|
|
gtk_text_buffer_get_iter_at_offset (text_buffer, &iter, 2);
|
|
gtk_text_buffer_insert (text_buffer, &iter, "b", -1);
|
|
gtk_text_buffer_end_user_action (text_buffer);
|
|
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
/* Non-contiguous deletions (removes the 'a' and 'b' just inserted). */
|
|
gtk_text_buffer_begin_user_action (text_buffer);
|
|
delete_char_at_offset (source_buffer, 2, FALSE);
|
|
delete_char_at_offset (source_buffer, 0, FALSE);
|
|
gtk_text_buffer_end_user_action (text_buffer);
|
|
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
/* Contiguous deletions */
|
|
gtk_text_buffer_begin_user_action (text_buffer);
|
|
delete_first_line (source_buffer);
|
|
delete_first_line (source_buffer);
|
|
gtk_text_buffer_end_user_action (text_buffer);
|
|
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
/* Mixed insertions/deletions */
|
|
gtk_text_buffer_begin_user_action (text_buffer);
|
|
gtk_text_buffer_set_text (text_buffer, "ahbello\n", -1);
|
|
delete_char_at_offset (source_buffer, 2, FALSE);
|
|
delete_char_at_offset (source_buffer, 0, FALSE);
|
|
insert_text (source_buffer, "world\n");
|
|
gtk_text_buffer_end_user_action (text_buffer);
|
|
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
g_list_free_full (contents_history, g_free);
|
|
g_object_unref (source_buffer);
|
|
}
|
|
|
|
static void
|
|
test_modified (void)
|
|
{
|
|
GtkSourceBuffer *source_buffer;
|
|
GtkTextBuffer *text_buffer;
|
|
|
|
source_buffer = gtk_source_buffer_new (NULL);
|
|
text_buffer = GTK_TEXT_BUFFER (source_buffer);
|
|
gtk_source_buffer_set_max_undo_levels (source_buffer, -1);
|
|
|
|
gtk_text_buffer_set_modified (text_buffer, FALSE);
|
|
insert_text (source_buffer, "foo\n");
|
|
|
|
g_assert (gtk_text_buffer_get_modified (text_buffer));
|
|
gtk_source_buffer_undo (source_buffer);
|
|
g_assert (!gtk_text_buffer_get_modified (text_buffer));
|
|
gtk_source_buffer_redo (source_buffer);
|
|
g_assert (gtk_text_buffer_get_modified (text_buffer));
|
|
|
|
gtk_text_buffer_set_modified (text_buffer, FALSE);
|
|
gtk_source_buffer_undo (source_buffer);
|
|
g_assert (gtk_text_buffer_get_modified (text_buffer));
|
|
gtk_source_buffer_redo (source_buffer);
|
|
g_assert (!gtk_text_buffer_get_modified (text_buffer));
|
|
|
|
gtk_source_buffer_undo (source_buffer);
|
|
g_assert (gtk_text_buffer_get_modified (text_buffer));
|
|
insert_text (source_buffer, "bar\n");
|
|
g_assert (gtk_text_buffer_get_modified (text_buffer));
|
|
gtk_source_buffer_undo (source_buffer);
|
|
g_assert (gtk_text_buffer_get_modified (text_buffer));
|
|
|
|
g_object_unref (source_buffer);
|
|
|
|
/* Inside not undoable action. */
|
|
source_buffer = gtk_source_buffer_new (NULL);
|
|
text_buffer = GTK_TEXT_BUFFER (source_buffer);
|
|
gtk_source_buffer_set_max_undo_levels (source_buffer, -1);
|
|
|
|
gtk_text_buffer_set_modified (text_buffer, TRUE);
|
|
|
|
gtk_source_buffer_begin_not_undoable_action (source_buffer);
|
|
insert_text (source_buffer, "a\n");
|
|
gtk_text_buffer_set_modified (text_buffer, FALSE);
|
|
gtk_source_buffer_end_not_undoable_action (source_buffer);
|
|
|
|
insert_text (source_buffer, "b\n");
|
|
g_assert (gtk_text_buffer_get_modified (text_buffer));
|
|
|
|
gtk_source_buffer_undo (source_buffer);
|
|
g_assert (!gtk_text_buffer_get_modified (text_buffer));
|
|
|
|
g_object_unref (source_buffer);
|
|
}
|
|
|
|
static void
|
|
empty_user_actions (GtkTextBuffer *text_buffer,
|
|
gint count)
|
|
{
|
|
gint i;
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
gtk_text_buffer_begin_user_action (text_buffer);
|
|
gtk_text_buffer_end_user_action (text_buffer);
|
|
}
|
|
}
|
|
|
|
static void
|
|
test_empty_user_actions (void)
|
|
{
|
|
GtkSourceBuffer *source_buffer;
|
|
GtkTextBuffer *text_buffer;
|
|
GList *contents_history = NULL;
|
|
|
|
source_buffer = gtk_source_buffer_new (NULL);
|
|
text_buffer = GTK_TEXT_BUFFER (source_buffer);
|
|
gtk_source_buffer_set_max_undo_levels (source_buffer, -1);
|
|
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
|
|
empty_user_actions (text_buffer, 3);
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
insert_text (source_buffer, "foo\n");
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
empty_user_actions (text_buffer, 1);
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
insert_text (source_buffer, "bar\n");
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
gtk_source_buffer_undo (source_buffer);
|
|
empty_user_actions (text_buffer, 1);
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
g_object_unref (source_buffer);
|
|
g_list_free_full (contents_history, g_free);
|
|
}
|
|
|
|
/* Test for https://bugzilla.gnome.org/show_bug.cgi?id=672893
|
|
* TODO More complete unit tests for selection restoring would be better.
|
|
*/
|
|
static void
|
|
test_bug_672893_selection_restoring (void)
|
|
{
|
|
GtkSourceBuffer *source_buffer;
|
|
GtkTextBuffer *text_buffer;
|
|
GtkTextIter start;
|
|
GtkTextIter end;
|
|
GtkTextIter iter;
|
|
|
|
source_buffer = gtk_source_buffer_new (NULL);
|
|
text_buffer = GTK_TEXT_BUFFER (source_buffer);
|
|
gtk_source_buffer_set_max_undo_levels (source_buffer, -1);
|
|
|
|
gtk_text_buffer_set_text (text_buffer, "What if it's just all green cheese.", -1);
|
|
|
|
/* Delete selection */
|
|
gtk_text_buffer_get_iter_at_offset (text_buffer, &start, 0);
|
|
gtk_text_buffer_get_iter_at_offset (text_buffer, &end, 8);
|
|
gtk_text_buffer_select_range (text_buffer, &start, &end);
|
|
gtk_text_buffer_delete_selection (text_buffer, TRUE, TRUE);
|
|
|
|
gtk_text_buffer_get_selection_bounds (text_buffer, &start, &end);
|
|
g_assert_cmpint (0, ==, gtk_text_iter_get_offset (&start));
|
|
g_assert_cmpint (0, ==, gtk_text_iter_get_offset (&end));
|
|
|
|
/* Undo -> selection restored */
|
|
gtk_source_buffer_undo (source_buffer);
|
|
gtk_text_buffer_get_selection_bounds (text_buffer, &start, &end);
|
|
g_assert_cmpint (0, ==, gtk_text_iter_get_offset (&start));
|
|
g_assert_cmpint (8, ==, gtk_text_iter_get_offset (&end));
|
|
|
|
/* Click somewhere else */
|
|
gtk_text_buffer_get_end_iter (text_buffer, &iter);
|
|
gtk_text_buffer_place_cursor (text_buffer, &iter);
|
|
|
|
/* Redo the deletion -> no selection */
|
|
gtk_source_buffer_redo (source_buffer);
|
|
gtk_text_buffer_get_selection_bounds (text_buffer, &start, &end);
|
|
g_assert_cmpint (0, ==, gtk_text_iter_get_offset (&start));
|
|
g_assert_cmpint (0, ==, gtk_text_iter_get_offset (&end));
|
|
|
|
/* Undo -> selection still restored correctly, even if we clicked
|
|
* somewhere else.
|
|
*/
|
|
gtk_source_buffer_undo (source_buffer);
|
|
gtk_text_buffer_get_selection_bounds (text_buffer, &start, &end);
|
|
g_assert_cmpint (0, ==, gtk_text_iter_get_offset (&start));
|
|
g_assert_cmpint (8, ==, gtk_text_iter_get_offset (&end));
|
|
|
|
g_object_unref (source_buffer);
|
|
}
|
|
|
|
static void
|
|
test_mix_user_action_and_not_undoable_action (void)
|
|
{
|
|
GtkSourceBuffer *source_buffer;
|
|
GtkTextBuffer *text_buffer;
|
|
GList *contents_history = NULL;
|
|
|
|
source_buffer = gtk_source_buffer_new (NULL);
|
|
text_buffer = GTK_TEXT_BUFFER (source_buffer);
|
|
|
|
gtk_source_buffer_set_max_undo_levels (source_buffer, -1);
|
|
|
|
/* Case 1 */
|
|
gtk_text_buffer_set_text (text_buffer, "", -1);
|
|
|
|
gtk_text_buffer_begin_user_action (text_buffer);
|
|
gtk_source_buffer_begin_not_undoable_action (source_buffer);
|
|
gtk_source_buffer_end_not_undoable_action (source_buffer);
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
|
|
gtk_text_buffer_insert_at_cursor (text_buffer, "a\n", -1);
|
|
gtk_text_buffer_end_user_action (text_buffer);
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
g_list_free_full (contents_history, g_free);
|
|
contents_history = NULL;
|
|
|
|
/* Case 2 */
|
|
gtk_text_buffer_set_text (text_buffer, "", -1);
|
|
|
|
gtk_text_buffer_begin_user_action (text_buffer);
|
|
gtk_source_buffer_begin_not_undoable_action (source_buffer);
|
|
gtk_text_buffer_end_user_action (text_buffer);
|
|
gtk_source_buffer_end_not_undoable_action (source_buffer);
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
|
|
gtk_text_buffer_insert_at_cursor (text_buffer, "a\n", -1);
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
g_list_free_full (contents_history, g_free);
|
|
contents_history = NULL;
|
|
|
|
/* Case 3 */
|
|
gtk_text_buffer_set_text (text_buffer, "", -1);
|
|
|
|
gtk_source_buffer_begin_not_undoable_action (source_buffer);
|
|
gtk_text_buffer_begin_user_action (text_buffer);
|
|
gtk_text_buffer_insert_at_cursor (text_buffer, "a\n", -1);
|
|
gtk_text_buffer_end_user_action (text_buffer);
|
|
gtk_source_buffer_end_not_undoable_action (source_buffer);
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
g_list_free_full (contents_history, g_free);
|
|
contents_history = NULL;
|
|
|
|
/* Case 4 */
|
|
gtk_text_buffer_set_text (text_buffer, "", -1);
|
|
|
|
gtk_source_buffer_begin_not_undoable_action (source_buffer);
|
|
gtk_text_buffer_begin_user_action (text_buffer);
|
|
gtk_text_buffer_insert_at_cursor (text_buffer, "a\n", -1);
|
|
gtk_source_buffer_end_not_undoable_action (source_buffer);
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
gtk_text_buffer_end_user_action (text_buffer);
|
|
|
|
gtk_text_buffer_insert_at_cursor (text_buffer, "b\n", -1);
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
g_list_free_full (contents_history, g_free);
|
|
contents_history = NULL;
|
|
|
|
/* Case 5 */
|
|
gtk_text_buffer_set_text (text_buffer, "", -1);
|
|
|
|
gtk_source_buffer_begin_not_undoable_action (source_buffer);
|
|
gtk_text_buffer_begin_user_action (text_buffer);
|
|
gtk_source_buffer_end_not_undoable_action (source_buffer);
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
|
|
gtk_text_buffer_insert_at_cursor (text_buffer, "a\n", -1);
|
|
gtk_text_buffer_end_user_action (text_buffer);
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
g_list_free_full (contents_history, g_free);
|
|
contents_history = NULL;
|
|
|
|
/* Case 6 */
|
|
gtk_text_buffer_set_text (text_buffer, "", -1);
|
|
|
|
gtk_text_buffer_begin_user_action (text_buffer);
|
|
gtk_text_buffer_insert_at_cursor (text_buffer, "a\n", -1);
|
|
gtk_source_buffer_begin_not_undoable_action (source_buffer);
|
|
gtk_text_buffer_end_user_action (text_buffer);
|
|
gtk_source_buffer_end_not_undoable_action (source_buffer);
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
|
|
gtk_text_buffer_insert_at_cursor (text_buffer, "b\n", -1);
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
g_list_free_full (contents_history, g_free);
|
|
contents_history = NULL;
|
|
|
|
/* Case 7 */
|
|
gtk_text_buffer_set_text (text_buffer, "", -1);
|
|
|
|
gtk_text_buffer_begin_user_action (text_buffer);
|
|
gtk_text_buffer_insert_at_cursor (text_buffer, "a\n", -1);
|
|
gtk_source_buffer_begin_not_undoable_action (source_buffer);
|
|
gtk_source_buffer_end_not_undoable_action (source_buffer);
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
gtk_text_buffer_end_user_action (text_buffer);
|
|
|
|
gtk_text_buffer_insert_at_cursor (text_buffer, "b\n", -1);
|
|
contents_history = g_list_append (contents_history, get_contents (source_buffer));
|
|
|
|
check_contents_history (source_buffer, contents_history);
|
|
|
|
g_list_free_full (contents_history, g_free);
|
|
contents_history = NULL;
|
|
|
|
g_object_unref (source_buffer);
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
gtk_test_init (&argc, &argv);
|
|
|
|
g_test_add_func ("/UndoManager/test-get-set-max-undo-levels",
|
|
test_get_set_max_undo_levels);
|
|
|
|
g_test_add_func ("/UndoManager/test-single-action",
|
|
test_single_action);
|
|
|
|
g_test_add_func ("/UndoManager/test-lose-redo-actions",
|
|
test_lose_redo_actions);
|
|
|
|
g_test_add_func ("/UndoManager/test-max-undo-levels",
|
|
test_max_undo_levels);
|
|
|
|
g_test_add_func ("/UndoManager/test-not-undoable-action",
|
|
test_not_undoable_action);
|
|
|
|
g_test_add_func ("/UndoManager/test-contents",
|
|
test_contents);
|
|
|
|
g_test_add_func ("/UndoManager/test-merge-actions",
|
|
test_merge_actions);
|
|
|
|
g_test_add_func ("/UndoManager/test-several-user-actions",
|
|
test_several_user_actions);
|
|
|
|
g_test_add_func ("/UndoManager/test-modified",
|
|
test_modified);
|
|
|
|
g_test_add_func ("/UndoManager/test-empty-user-actions",
|
|
test_empty_user_actions);
|
|
|
|
g_test_add_func ("/UndoManager/test-bug-672893-selection-restoring",
|
|
test_bug_672893_selection_restoring);
|
|
|
|
g_test_add_func ("/UndoManager/mix-user-action-and-not-undoable-action",
|
|
test_mix_user_action_and_not_undoable_action);
|
|
|
|
return g_test_run ();
|
|
}
|