cleaned code, added testcase

components/script/textinput.rs

@@ -379,11 +379,11 @@ impl<T: ClipboardProvider> TextInput<T> {
         } else {
             usize::MAX
         };
-        
+
         // If len_of_first_n_code_units returns None, we are over allowed_to_insert_count
         let last_char_index_opt = len_of_first_n_code_units(&*insert, allowed_to_insert_count);
         self.clear_selection();
-        if last_char_index_opt.is_some() {    
+        if last_char_index_opt.is_some() {
             let chars_to_insert = &insert[..last_char_index_opt.unwrap()];
 
             let new_lines = {
@@ -420,7 +420,7 @@ impl<T: ClipboardProvider> TextInput<T> {
             self.lines = new_lines;
         }
         self.assert_ok_selection();
-    
+
     }
 
     /// Return the length in UTF-8 bytes of the current line under the editing point.

tests/unit/script/textinput.rs

@@ -619,6 +619,9 @@ fn test_textinput_set_selection_with_direction() {
     assert_eq!(textinput.selection_origin().unwrap().line, 0);
     assert_eq!(textinput.selection_origin().unwrap().index, 0);
 
+    textinput = text_input(Lines::Single, "€");
+    textinput.set_selection_range(1, 1, SelectionDirection::Forward);
+    assert_eq!(textinput.edit_point().index, 2);
 }
 
 #[test]