vim-patch:8.2.3695: confusing error for missing key (#26420)

Problem:    Confusing error for missing key.
Solution:   Use the actualy key for the error. (closes vim/vim#9241)

https://github.com/vim/vim/commit/5c1ec439f0a69e9aa7ece9bbb7d916f48f58be1e

Co-authored-by: Bram Moolenaar <Bram@vim.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/test/old/testdir/test_listdict.vim b/test/old/testdir/test_listdict.vim
index fef7c6a9bc..33b8d55982 100644
--- a/test/old/testdir/test_listdict.vim
+++ b/test/old/testdir/test_listdict.vim
@@ -456,6 +456,25 @@ func Test_dict_func_remove()
   call CheckLegacyAndVim9Failure(lines, 'E716:')
 
   let lines =<< trim END
+      let d = {'a-b': 55}
+      echo d.a-b
+  END
+  call CheckScriptFailure(lines, 'E716: Key not present in Dictionary: "a"')
+
+  let lines =<< trim END
+      vim9script
+      var d = {'a-b': 55}
+      echo d.a-b
+  END
+  call CheckScriptFailure(lines, 'E716: Key not present in Dictionary: "a"')
+
+  let lines =<< trim END
+      var d = {'a-b': 55}
+      echo d.a-b
+  END
+  call CheckDefFailure(lines, 'E1004: White space required before and after ''-''')
+
+  let lines =<< trim END
       let d = {1: 'a', 3: 'c'}
       call remove(d, [])
   END