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/* SPDX-FileCopyrightText: 2022 - Sébastien Wilmet <swilmet@gnome.org>
* SPDX-License-Identifier: LGPL-3.0-or-later
*/
#include <tepl/tepl.h>
static void
delete_current_line (TeplView *view)
{
g_signal_emit_by_name (view, "delete-from-cursor", GTK_DELETE_PARAGRAPHS, 1);
}
static void
select_range (GtkTextBuffer *buffer,
gint selection_start_offset,
gint selection_end_offset)
{
GtkTextIter selection_start_iter;
GtkTextIter selection_end_iter;
gtk_text_buffer_get_iter_at_offset (buffer, &selection_start_iter, selection_start_offset);
gtk_text_buffer_get_iter_at_offset (buffer, &selection_end_iter, selection_end_offset);
gtk_text_buffer_select_range (buffer, &selection_start_iter, &selection_end_iter);
}
static void
check_buffer_content (GtkTextBuffer *buffer,
const gchar *expected_content)
{
GtkTextIter start;
GtkTextIter end;
gchar *content;
gtk_text_buffer_get_bounds (buffer, &start, &end);
content = gtk_text_buffer_get_slice (buffer, &start, &end, TRUE);
g_assert_cmpstr (content, ==, expected_content);
g_free (content);
}
static void
check_delete_current_line (TeplView *view,
const gchar *content_before,
gint selection_start_offset_before,
gint selection_end_offset_before,
const gchar *content_after,
gint cursor_offset_after)
{
GtkTextBuffer *buffer;
GtkTextIter cursor_pos;
/* Prepa */
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
gtk_text_buffer_set_text (buffer, content_before, -1);
select_range (buffer, selection_start_offset_before, selection_end_offset_before);
/* Operation */
delete_current_line (view);
/* Checks */
check_buffer_content (buffer, content_after);
g_assert_false (gtk_text_buffer_get_has_selection (buffer));
gtk_text_buffer_get_iter_at_mark (buffer, &cursor_pos, gtk_text_buffer_get_insert (buffer));
g_assert_cmpint (cursor_offset_after, ==, gtk_text_iter_get_offset (&cursor_pos));
}
static void
test_delete_current_line (void)
{
TeplView *view;
view = TEPL_VIEW (tepl_view_new ());
g_object_ref_sink (view);
/* Empty buffer */
check_delete_current_line (view, "", 0, 0, "", 0);
/* Single line without trailing \n */
// Without selection
check_delete_current_line (view, "ab", 0, 0, "", 0);
check_delete_current_line (view, "ab", 1, 1, "", 0);
check_delete_current_line (view, "ab", 2, 2, "", 0);
// With selection
check_delete_current_line (view, "ab", 0, 1, "", 0);
check_delete_current_line (view, "ab", 0, 2, "", 0);
check_delete_current_line (view, "ab", 1, 2, "", 0);
/* Single line with trailing \n (so two lines with the second line
* empty).
*/
// Without selection
check_delete_current_line (view, "ab\n", 0, 0, "", 0);
check_delete_current_line (view, "ab\n", 1, 1, "", 0);
check_delete_current_line (view, "ab\n", 2, 2, "", 0);
check_delete_current_line (view, "ab\n", 3, 3, "ab", 0);
// With selection
check_delete_current_line (view, "ab\n", 0, 1, "", 0);
check_delete_current_line (view, "ab\n", 0, 2, "", 0);
check_delete_current_line (view, "ab\n", 1, 2, "", 0);
check_delete_current_line (view, "ab\n", 0, 3, "", 0);
check_delete_current_line (view, "ab\n", 1, 3, "", 0);
check_delete_current_line (view, "ab\n", 2, 3, "", 0);
/* Two lines, delete second line */
// Without selection
check_delete_current_line (view, "ab\nc", 3, 3, "ab", 0);
check_delete_current_line (view, "ab\nc", 4, 4, "ab", 0);
// With selection
check_delete_current_line (view, "ab\nc", 3, 4, "ab", 0);
/* Two lines with selection */
check_delete_current_line (view, "a\nb", 0, 1, "b", 0);
check_delete_current_line (view, "a\nb", 0, 2, "b", 0);
check_delete_current_line (view, "a\nb", 0, 3, "", 0);
// This one is a bit more difficult. We select only the \n, but in the
// TextView the selection is visible only on the first line, after the
// 'a'. So 'b' remains.
check_delete_current_line (view, "a\nb", 1, 2, "b", 0);
check_delete_current_line (view, "a\nb", 1, 3, "", 0);
check_delete_current_line (view, "a\nb", 2, 3, "a", 0);
/* Three lines */
// Without selection, delete second line
check_delete_current_line (view, "ab\nc\nde", 3, 3, "ab\nde", 3);
check_delete_current_line (view, "ab\nc\nde", 4, 4, "ab\nde", 3);
// With selection
check_delete_current_line (view, "ab\nc\nde", 3, 4, "ab\nde", 3);
check_delete_current_line (view, "ab\nc\nde", 3, 5, "ab\nde", 3);
check_delete_current_line (view, "ab\nc\nde", 2, 3, "c\nde", 0);
check_delete_current_line (view, "ab\nc\nde", 2, 4, "de", 0);
g_object_unref (view);
}
int
main (int argc,
char **argv)
{
gtk_test_init (&argc, &argv);
g_test_add_func ("/view/delete_current_line", test_delete_current_line);
return g_test_run ();
}
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