commit ea04a6e8baff2f27da7cdd54bf70a5525994f76d
author Bram Moolenaar <Bram@vim.org> Thu Apr 23 13:38:02 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Thu Apr 23 13:38:02 2020 +0200
tree d8578e5bec3f99d462191ba6eb49f83c60211181
parent db950e4c0318c084c31bc7b50665284f4a47c285

patch 8.2.0619: null dict is not handled like an empty dict

Problem:    Null dict is not handled like an empty dict.
Solution:   Fix the code and add tests. (Yegappan Lakshmanan, closes #5968)

src/testdir/test_blob.vim

diff --git a/src/testdir/test_blob.vim b/src/testdir/test_blob.vim
index a29e2e6..4b6774f 100644
--- a/src/testdir/test_blob.vim
+++ b/src/testdir/test_blob.vim
@@ -207,6 +207,7 @@
   call assert_equal(0z001122, b)
   call add(b, '51')
   call assert_equal(0z00112233, b)
+  call assert_equal(1, add(test_null_blob(), 0x22))
 
   call assert_fails('call add(b, [9])', 'E745:')
   call assert_fails('call add("", 0x01)', 'E897:')