commit 65259b5c6a8ad4edaf6eeb8dbb7b50342c64d403
author Bram Moolenaar <Bram@vim.org> Tue Nov 23 14:52:06 2021 +0000
committer Bram Moolenaar <Bram@vim.org> Tue Nov 23 14:52:06 2021 +0000
tree 3292326c6148c61257464f291f5ee5a1b9e2432d
parent cc9d725bbb515baf172c2be21de12d35a961e4ee

patch 8.2.3656: Vim9: no error for an evironment variable by itself

Problem:    Vim9: no error for an evironment variable by itself.
Solution:   Give a "without effect" error. (closes #9166)

src/testdir/test_vim9_cmd.vim

diff --git a/src/testdir/test_vim9_cmd.vim b/src/testdir/test_vim9_cmd.vim
index 16f5d55..81899d6 100644
--- a/src/testdir/test_vim9_cmd.vim
+++ b/src/testdir/test_vim9_cmd.vim
@@ -584,6 +584,13 @@
   END
   CheckDefAndScriptFailure(lines, 'E1207:', 2)
   &g:showbreak = ''
+
+  lines =<< trim END
+      $SomeEnv = 'value'
+      $SomeEnv
+  END
+  CheckDefAndScriptFailure(lines, 'E1207:', 2)
+  $SomeEnv = ''
 enddef
 
 def Test_environment_use_linebreak()