commit 99fa721944dda9d07c53c907c33466728df5c271
author Bram Moolenaar <Bram@vim.org> Sun Apr 26 15:59:55 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Sun Apr 26 15:59:55 2020 +0200
tree 7ead4c06b56e21eb208ea1b9673cd463ba13f3c0
parent e297802d6ddbebbf36f9a2d01127c034fab88b3b

patch 8.2.0644: insufficient testing for invalid function arguments

Problem:    Insufficient testing for invalid function arguments.
Solution:   Add more tests. (Yegappan Lakshmanan, closes #5988)

src/testdir/test_expr.vim

diff --git a/src/testdir/test_expr.vim b/src/testdir/test_expr.vim
index 5fc502d..ec73aea 100644
--- a/src/testdir/test_expr.vim
+++ b/src/testdir/test_expr.vim
@@ -471,6 +471,7 @@
   endif
   eval set->setmatches()
   call assert_equal(exp, getmatches())
+  call assert_fails('let m = setmatches([], [])', 'E957:')
 endfunc
 
 func Test_empty_concatenate()