From 51caf0a3af599bc4eacdc4b87092bb20286dbfe8 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Mon, 14 Apr 2025 13:02:58 +0800
Subject: fix(completion): avoid freeing uninitialized value (#33459)

---
 test/functional/api/command_spec.lua | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'test/functional/api/command_spec.lua')

diff --git a/test/functional/api/command_spec.lua b/test/functional/api/command_spec.lua
index fabd9be6d6..d332576fb4 100644
--- a/test/functional/api/command_spec.lua
+++ b/test/functional/api/command_spec.lua
@@ -681,6 +681,19 @@ describe('nvim_create_user_command', function()
     eq('Test bbb', fn.getcmdline())
   end)
 
+  it('no crash when Lua complete function errors #33447', function()
+    exec_lua([[
+      vim.api.nvim_create_user_command('Test','', {
+          nargs = 1,
+          complete = function() error() end
+      })
+    ]])
+    feed(':Test <Tab>')
+    eq('E5108: Error executing Lua function: [NULL]', api.nvim_get_vvar('errmsg'))
+    eq('Test ', fn.getcmdline())
+    assert_alive()
+  end)
+
   it('does not allow invalid command names', function()
     eq(
       "Invalid command name (must start with uppercase): 'test'",
-- 
cgit