commit 91c75d18d9cdc32df57e648640de7476fbcb4d76
author zeertzjq <zeertzjq@outlook.com> Sat Nov 05 20:21:58 2022 +0000
committer Bram Moolenaar <Bram@vim.org> Sat Nov 05 20:21:58 2022 +0000
tree 9fa0460b1c499a272b85c5613b5c546f2ff37c93
parent 845bbb72ed2da4b5fb2a503d91cfd6435df2f584

patch 9.0.0836: wrong error when using extend() with funcref

Problem:    Wrong error when using extend() with funcref.
Solution:   Better check the variable type. (closes #11468, closes #11455)

src/testdir/test_functions.vim

diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
index 938a839..831a894 100644
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -2938,6 +2938,25 @@
   let g:bar = 123
   call extend(g:, #{bar: { -> "foo" }}, "keep")
   call assert_fails('call extend(g:, #{bar: { -> "foo" }}, "force")', 'E704:')
+  unlet g:bar
+
+  call assert_fails('call extend(l:, #{foo: { -> "foo" }})', 'E704:')
+  let bar = 123
+  call extend(l:, #{bar: { -> "foo" }}, "keep")
+  call assert_fails('call extend(l:, #{bar: { -> "foo" }}, "force")', 'E704:')
+  unlet bar
+
+  call assert_fails('call extend(g:, #{foo: function("extend")})', 'E704:')
+  let g:bar = 123
+  call extend(g:, #{bar: function("extend")}, "keep")
+  call assert_fails('call extend(g:, #{bar: function("extend")}, "force")', 'E704:')
+  unlet g:bar
+
+  call assert_fails('call extend(l:, #{foo: function("extend")})', 'E704:')
+  let bar = 123
+  call extend(l:, #{bar: function("extend")}, "keep")
+  call assert_fails('call extend(l:, #{bar: function("extend")}, "force")', 'E704:')
+  unlet bar
 endfunc
 
 func Test_funcref_to_string()