commit 1840a7b4e3577e617f724c9d07ccc78195cc010a
author Bram Moolenaar <Bram@vim.org> Tue Jul 13 20:32:29 2021 +0200
committer Bram Moolenaar <Bram@vim.org> Tue Jul 13 20:32:29 2021 +0200
tree c28d2ac066a4d3d6756b5faa469a138ca78bdc42
parent 16e26a31161d65baca7885c46c43ab4a48399c92

patch 8.2.3158: strange error message when using islocked() with a number

Problem:    Strange error message when using islocked() with a number.
            (Yegappan Lakshmanan)
Solution:   Check that the name is empty.

src/testdir/test_functions.vim

diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
index a4ca5d4..e0b0314 100644
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -95,6 +95,11 @@
   call assert_fails('let x = copy([test_void()])', 'E1031:')
 endfunc
 
+func Test_islocked()
+  call assert_fails('call islocked(99)', 'E475:')
+  call assert_fails('call islocked("s: x")', 'E488:')
+endfunc
+
 func Test_len()
   call assert_equal(1, len(0))
   call assert_equal(2, len(12))