commit f8dbd586660c35e44276151b731eeedeace9b53e
author Yegappan Lakshmanan <yegappan@yahoo.com> Sun Sep 26 19:04:05 2021 +0100
committer Bram Moolenaar <Bram@vim.org> Sun Sep 26 19:04:05 2021 +0100
tree 4fd98120fed27104ccb149dbe66a4cd68672f589
parent 56858e4ed4e338e15821767b8303b06099e40384

patch 8.2.3456: Vim9: not all functions are tested with empty string argument

Problem:    Vim9: Not all functions are tested with an empty string argument.
Solution:   Add tests with empty strings. (Yegappan Lakshmanan, closes #8915)

src/evalfunc.c

diff --git a/src/evalfunc.c b/src/evalfunc.c
index 16d9be3..8a06f75 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -9647,9 +9647,8 @@
 
     if (in_vim9script()
 	    && (check_for_number_arg(argvars, 0) == FAIL
-		|| (check_for_string_arg(argvars, 1) == FAIL
-		    || (argvars[1].v_type != VAR_UNKNOWN
-			&& check_for_opt_string_arg(argvars, 2) == FAIL))))
+		|| check_for_string_arg(argvars, 1) == FAIL
+		|| check_for_opt_string_arg(argvars, 2) == FAIL))
 	return;
 
     id = (int)tv_get_number(&argvars[0]);