[pango/bidi-revenge: 3/7] Small correction to test-layout

[Matthias Clasen <matthiasc src gnome org>]

commit 7fd74b201601856b8b84b65b3c23575f16f12f91
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Aug 6 12:46:28 2021 -0400

    Small correction to test-layout
    
    We need to apply trailing properly, by skipping
    characters.

 tests/test-layout.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/tests/test-layout.c b/tests/test-layout.c
index f35d839e..e533618d 100644
--- a/tests/test-layout.c
+++ b/tests/test-layout.c
@@ -194,15 +194,22 @@ dump_directions (PangoLayout *layout, GString *string)
 static void
 dump_cursor_positions (PangoLayout *layout, GString *string)
 {
+  const char *text;
   int index, trailing;
 
+  text = pango_layout_get_text (layout);
+
   index = 0;
   trailing = 0;
 
   while (index < G_MAXINT)
     {
       g_string_append_printf (string, "%d(%d) ", index, trailing);
-      pango_layout_move_cursor_visually (layout, TRUE, index, trailing, 1, &index, &trailing);
+
+      while (trailing--)
+        index = g_utf8_next_char (text + index) - text;
+
+      pango_layout_move_cursor_visually (layout, TRUE, index, 0, 1, &index, &trailing);
     }
 
   g_string_append (string, "\n");