commit 6d3a7213f58da834b0fc869d05f87e86010c66cf
author Bram Moolenaar <Bram@vim.org> Sun Jul 12 14:34:00 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Sun Jul 12 14:34:00 2020 +0200
tree 91d4c5501c6db51ace2814a1b52255d45357ac0c
parent c85156bb897085d7f5a8e4e180287f87bf19b948

patch 8.2.1188: memory leak with invalid json input

Problem:    Memory leak with invalid json input.
Solution:   Free all keys at the end. (Dominique Pellé, closes #6443,
            closes #6442)

src/testdir/test_json.vim

diff --git a/src/testdir/test_json.vim b/src/testdir/test_json.vim
index c3b4382..c619882 100644
--- a/src/testdir/test_json.vim
+++ b/src/testdir/test_json.vim
@@ -201,6 +201,8 @@
   call assert_fails('call json_decode("\"\\u111Z\"")', 'E491:')
   call assert_equal('[😂]', json_decode('"[\uD83D\uDE02]"'))
   call assert_equal('a😂b', json_decode('"a\uD83D\uDE02b"'))
+
+  call assert_fails('call json_decode("{\"\":{\"\":{")', 'E491:')
 endfunc
 
 let s:jsl5 = '[7,,,]'