patch 9.1.0806: tests: no error check when setting global 'briopt'

Problem:  tests: no error check when setting global 'briopt'
Solution: also parse and check global 'briopt' value (Milly)

closes: #15911

Signed-off-by: Milly <milly.ca@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/indent.c

@@ -869,11 +869,15 @@ get_number_indent(linenr_T lnum)
 
 #if defined(FEAT_LINEBREAK) || defined(PROTO)
 /*
+ * Check "briopt" as 'breakindentopt' and update the members of "wp".
  * This is called when 'breakindentopt' is changed and when a window is
  * initialized.
+ * Returns FAIL for failure, OK otherwise.
  */
     int
-briopt_check(win_T *wp)
+briopt_check(
+    char_u	*briopt,	// when NULL: use "wp->w_p_briopt"
+    win_T	*wp)		// when NULL: only check "briopt"
 {
     char_u	*p;
     int		bri_shift = 0;
@@ -882,7 +886,11 @@ briopt_check(win_T *wp)
     int		bri_list = 0;
     int		bri_vcol = 0;
 
+    if (briopt != NULL)
+	p = briopt;
+    else
 	p = wp->w_p_briopt;
+
     while (*p != NUL)
     {
 	// Note: Keep this in sync with p_briopt_values
@@ -918,6 +926,9 @@ briopt_check(win_T *wp)
 	    ++p;
     }
 
+    if (wp == NULL)
+	return OK;
+
     wp->w_briopt_shift = bri_shift;
     wp->w_briopt_min   = bri_min;
     wp->w_briopt_sbr   = bri_sbr;

src/option.c

@@ -6751,7 +6751,7 @@ after_copy_winopt(win_T *wp)
     else
 	wp->w_skipcol = 0;
 #ifdef FEAT_LINEBREAK
-    briopt_check(wp);
+    briopt_check(NULL, wp);
 #endif
 #ifdef FEAT_SYN_HL
     fill_culopt_flags(NULL, wp);

src/optionstr.c

@@ -1235,17 +1235,19 @@ did_set_breakat(optset_T *args UNUSED)
  * The 'breakindentopt' option is changed.
  */
     char *
-did_set_breakindentopt(optset_T *args UNUSED)
+did_set_breakindentopt(optset_T *args)
 {
-    char *errmsg = NULL;
+    char_u	**varp = (char_u **)args->os_varp;
+
+    if (briopt_check(*varp, varp == &curwin->w_p_briopt ? curwin : NULL)
+								      == FAIL)
+	return e_invalid_argument;
 
-    if (briopt_check(curwin) == FAIL)
-	errmsg = e_invalid_argument;
     // list setting requires a redraw
-    if (curwin->w_briopt_list)
+    if (varp == &curwin->w_p_briopt && curwin->w_briopt_list)
 	redraw_all_later(UPD_NOT_VALID);
 
-    return errmsg;
+    return NULL;
 }
 
     int

src/proto/indent.pro

@@ -18,7 +18,7 @@ int get_indent_str(char_u *ptr, int ts, int no_ts);
 int get_indent_str_vtab(char_u *ptr, int ts, int *vts, int no_ts);
 int set_indent(int size, int flags);
 int get_number_indent(linenr_T lnum);
-int briopt_check(win_T *wp);
+int briopt_check(char_u *briopt, win_T *wp);
 int get_breakindent_win(win_T *wp, char_u *line);
 int inindent(int extra);
 void op_reindent(oparg_T *oap, int (*how)(void));

src/testdir/gen_opt_test.vim

@@ -45,7 +45,6 @@ endwhile
 let skip_setglobal_reasons = #{
       \ iminsert: 'The global value is always overwritten by the local value',
       \ imsearch: 'The global value is always overwritten by the local value',
-      \ breakindentopt:	'TODO: fix missing error handling for setglobal',
       \ conceallevel:	'TODO: fix missing error handling for setglobal',
       \ foldcolumn:	'TODO: fix missing error handling for setglobal',
       \ numberwidth:	'TODO: fix missing error handling for setglobal',

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    806,
 /**/
     805,
 /**/