/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; coding: utf-8 -*- */
/*
* This file is part of GtkSourceView
*
* Copyright (C) 2017 - Sébastien Wilmet
*
* GtkSourceView 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.
*
* GtkSourceView 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 <gtksourceview/gtksource.h>
static gchar *
get_text (GtkTextBuffer *buffer)
{
GtkTextIter start;
GtkTextIter end;
gtk_text_buffer_get_bounds (buffer, &start, &end);
return gtk_text_buffer_get_text (buffer, &start, &end, TRUE);
}
#define N_CASES_INITIAL_SELECTION_FOR_SINGLE_LINE (6)
static void
set_initial_selection_for_single_line (GtkTextBuffer *buffer,
gint line_num,
gint case_num)
{
GtkTextIter start;
GtkTextIter end;
switch (case_num)
{
case 0:
gtk_text_buffer_get_iter_at_line (buffer, &start, line_num);
gtk_text_buffer_place_cursor (buffer, &start);
break;
case 1:
gtk_text_buffer_get_iter_at_line_offset (buffer, &start, line_num, 1);
gtk_text_buffer_place_cursor (buffer, &start);
break;
case 2:
gtk_text_buffer_get_iter_at_line (buffer, &start, line_num);
gtk_text_iter_forward_to_line_end (&start);
gtk_text_buffer_place_cursor (buffer, &start);
break;
case 3:
gtk_text_buffer_get_iter_at_line (buffer, &start, line_num);
end = start;
gtk_text_iter_forward_to_line_end (&end);
gtk_text_buffer_select_range (buffer, &start, &end);
break;
case 4:
gtk_text_buffer_get_iter_at_line (buffer, &start, line_num);
gtk_text_buffer_get_iter_at_line (buffer, &end, line_num + 1);
gtk_text_buffer_select_range (buffer, &start, &end);
break;
case 5:
gtk_text_buffer_get_iter_at_line_offset (buffer, &start, line_num, 1);
gtk_text_buffer_get_iter_at_line_offset (buffer, &end, line_num, 2);
gtk_text_buffer_select_range (buffer, &start, &end);
break;
default:
g_assert_not_reached ();
}
}
static void
test_move_lines__move_single_line (void)
{
GtkSourceView *view;
GtkTextBuffer *buffer;
GtkTextIter start;
GtkTextIter end;
gchar *text;
gint case_num;
view = GTK_SOURCE_VIEW (gtk_source_view_new ());
g_object_ref_sink (view);
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
/* Move down first line */
for (case_num = 0; case_num < N_CASES_INITIAL_SELECTION_FOR_SINGLE_LINE; case_num++)
{
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3",
-1);
set_initial_selection_for_single_line (buffer, 0, case_num);
g_signal_emit_by_name (view, "move-lines", FALSE, 1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line2\n"
"line1\n"
"line3");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert_cmpint (gtk_text_iter_get_offset (&start), ==, 6);
g_assert_cmpint (gtk_text_iter_get_offset (&end), ==, 12);
}
/* Move up second line */
for (case_num = 0; case_num < N_CASES_INITIAL_SELECTION_FOR_SINGLE_LINE; case_num++)
{
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3",
-1);
set_initial_selection_for_single_line (buffer, 1, case_num);
g_signal_emit_by_name (view, "move-lines", FALSE, -1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line2\n"
"line1\n"
"line3");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert (gtk_text_iter_is_start (&start));
g_assert_cmpint (gtk_text_iter_get_offset (&end), ==, 6);
}
/* Move down second line, without final newline */
for (case_num = 0; case_num < N_CASES_INITIAL_SELECTION_FOR_SINGLE_LINE; case_num++)
{
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3",
-1);
set_initial_selection_for_single_line (buffer, 1, case_num);
g_signal_emit_by_name (view, "move-lines", FALSE, 1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line1\n"
"line3\n"
"line2");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert_cmpint (gtk_text_iter_get_offset (&start), ==, 12);
g_assert (gtk_text_iter_is_end (&end));
}
/* Move down second line, with final newline */
for (case_num = 0; case_num < N_CASES_INITIAL_SELECTION_FOR_SINGLE_LINE; case_num++)
{
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3\n",
-1);
set_initial_selection_for_single_line (buffer, 1, case_num);
g_signal_emit_by_name (view, "move-lines", FALSE, 1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line1\n"
"line3\n"
"line2\n");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert_cmpint (gtk_text_iter_get_offset (&start), ==, 12);
g_assert (gtk_text_iter_is_end (&end));
}
/* Move up third line, without final newline */
for (case_num = 0; case_num < N_CASES_INITIAL_SELECTION_FOR_SINGLE_LINE; case_num++)
{
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3",
-1);
set_initial_selection_for_single_line (buffer, 2, case_num);
g_signal_emit_by_name (view, "move-lines", FALSE, -1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line1\n"
"line3\n"
"line2");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert_cmpint (gtk_text_iter_get_offset (&start), ==, 6);
g_assert_cmpint (gtk_text_iter_get_offset (&end), ==, 12);
}
/* Move up third line, with final newline */
for (case_num = 0; case_num < N_CASES_INITIAL_SELECTION_FOR_SINGLE_LINE; case_num++)
{
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3\n",
-1);
set_initial_selection_for_single_line (buffer, 2, case_num);
g_signal_emit_by_name (view, "move-lines", FALSE, -1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line1\n"
"line3\n"
"line2\n");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert_cmpint (gtk_text_iter_get_offset (&start), ==, 6);
g_assert_cmpint (gtk_text_iter_get_offset (&end), ==, 12);
}
/* Move down last line */
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3",
-1);
gtk_text_buffer_get_end_iter (buffer, &end);
gtk_text_buffer_place_cursor (buffer, &end);
g_signal_emit_by_name (view, "move-lines", FALSE, 1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line1\n"
"line2\n"
"line3");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert (gtk_text_iter_is_end (&start));
g_assert (gtk_text_iter_is_end (&end));
/* Move up first line */
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3",
-1);
gtk_text_buffer_get_start_iter (buffer, &start);
gtk_text_buffer_place_cursor (buffer, &start);
g_signal_emit_by_name (view, "move-lines", FALSE, -1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line1\n"
"line2\n"
"line3");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert (gtk_text_iter_is_start (&start));
g_assert (gtk_text_iter_is_start (&end));
g_object_unref (view);
}
#define N_CASES_INITIAL_SELECTION_FOR_SEVERAL_LINES (3)
static void
set_initial_selection_for_several_lines (GtkTextBuffer *buffer,
gint start_line_num,
gint end_line_num,
gint case_num)
{
GtkTextIter start;
GtkTextIter end;
switch (case_num)
{
case 0:
gtk_text_buffer_get_iter_at_line (buffer, &start, start_line_num);
gtk_text_buffer_get_iter_at_line (buffer, &end, end_line_num);
gtk_text_iter_forward_to_line_end (&end);
gtk_text_buffer_select_range (buffer, &start, &end);
break;
case 1:
gtk_text_buffer_get_iter_at_line (buffer, &start, start_line_num);
gtk_text_buffer_get_iter_at_line (buffer, &end, end_line_num + 1);
gtk_text_buffer_select_range (buffer, &start, &end);
break;
case 2:
gtk_text_buffer_get_iter_at_line_offset (buffer, &start, start_line_num, 1);
gtk_text_buffer_get_iter_at_line_offset (buffer, &end, end_line_num, 1);
gtk_text_buffer_select_range (buffer, &start, &end);
break;
default:
g_assert_not_reached ();
}
}
static void
test_move_lines__move_several_lines (void)
{
GtkSourceView *view;
GtkTextBuffer *buffer;
GtkTextIter start;
GtkTextIter end;
gchar *text;
gint case_num;
view = GTK_SOURCE_VIEW (gtk_source_view_new ());
g_object_ref_sink (view);
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
/* Move down first two lines */
for (case_num = 0; case_num < N_CASES_INITIAL_SELECTION_FOR_SEVERAL_LINES; case_num++)
{
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3\n"
"line4",
-1);
set_initial_selection_for_several_lines (buffer, 0, 1, case_num);
g_signal_emit_by_name (view, "move-lines", FALSE, 1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line3\n"
"line1\n"
"line2\n"
"line4");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert_cmpint (gtk_text_iter_get_offset (&start), ==, 6);
g_assert_cmpint (gtk_text_iter_get_offset (&end), ==, 18);
}
/* Move up second and third lines */
for (case_num = 0; case_num < N_CASES_INITIAL_SELECTION_FOR_SEVERAL_LINES; case_num++)
{
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3\n"
"line4",
-1);
set_initial_selection_for_several_lines (buffer, 1, 2, case_num);
g_signal_emit_by_name (view, "move-lines", FALSE, -1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line2\n"
"line3\n"
"line1\n"
"line4");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert (gtk_text_iter_is_start (&start));
g_assert_cmpint (gtk_text_iter_get_offset (&end), ==, 12);
}
/* Move down second and third lines, without final newline */
for (case_num = 0; case_num < N_CASES_INITIAL_SELECTION_FOR_SEVERAL_LINES; case_num++)
{
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3\n"
"line4",
-1);
set_initial_selection_for_several_lines (buffer, 1, 2, case_num);
g_signal_emit_by_name (view, "move-lines", FALSE, 1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line1\n"
"line4\n"
"line2\n"
"line3");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert_cmpint (gtk_text_iter_get_offset (&start), ==, 12);
g_assert (gtk_text_iter_is_end (&end));
}
/* Move down second and third lines, with final newline */
for (case_num = 0; case_num < N_CASES_INITIAL_SELECTION_FOR_SEVERAL_LINES; case_num++)
{
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3\n"
"line4\n",
-1);
set_initial_selection_for_several_lines (buffer, 1, 2, case_num);
g_signal_emit_by_name (view, "move-lines", FALSE, 1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line1\n"
"line4\n"
"line2\n"
"line3\n");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert_cmpint (gtk_text_iter_get_offset (&start), ==, 12);
g_assert (gtk_text_iter_is_end (&end));
}
/* Move up third and fourth lines, without final newline */
for (case_num = 0; case_num < N_CASES_INITIAL_SELECTION_FOR_SEVERAL_LINES; case_num++)
{
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3\n"
"line4",
-1);
set_initial_selection_for_several_lines (buffer, 2, 3, case_num);
g_signal_emit_by_name (view, "move-lines", FALSE, -1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line1\n"
"line3\n"
"line4\n"
"line2");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert_cmpint (gtk_text_iter_get_offset (&start), ==, 6);
g_assert_cmpint (gtk_text_iter_get_offset (&end), ==, 18);
}
/* Move up third and fourth lines, with final newline */
for (case_num = 0; case_num < N_CASES_INITIAL_SELECTION_FOR_SEVERAL_LINES; case_num++)
{
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3\n"
"line4\n",
-1);
set_initial_selection_for_several_lines (buffer, 2, 3, case_num);
g_signal_emit_by_name (view, "move-lines", FALSE, -1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line1\n"
"line3\n"
"line4\n"
"line2\n");
g_free (text);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
g_assert_cmpint (gtk_text_iter_get_offset (&start), ==, 6);
g_assert_cmpint (gtk_text_iter_get_offset (&end), ==, 18);
}
/* Move down last two lines */
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3\n"
"line4",
-1);
set_initial_selection_for_several_lines (buffer, 2, 3, 0);
g_signal_emit_by_name (view, "move-lines", FALSE, 1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line1\n"
"line2\n"
"line3\n"
"line4");
g_free (text);
/* Move up first two lines */
gtk_text_buffer_set_text (buffer,
"line1\n"
"line2\n"
"line3\n"
"line4",
-1);
set_initial_selection_for_several_lines (buffer, 0, 1, 0);
g_signal_emit_by_name (view, "move-lines", FALSE, -1);
text = get_text (buffer);
g_assert_cmpstr (text, ==,
"line1\n"
"line2\n"
"line3\n"
"line4");
g_free (text);
g_object_unref (view);
}
int
main (int argc, char **argv)
{
gtk_test_init (&argc, &argv);
g_test_add_func ("/view/move-lines/move-single-line", test_move_lines__move_single_line);
g_test_add_func ("/view/move-lines/move-several-lines", test_move_lines__move_several_lines);
return g_test_run();
}