From 9e5f9c25d9955f8c0ab7de874cf3a40fc077458b Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Mon, 17 Apr 2023 23:27:04 +0800
Subject: [PATCH] vim-patch:9.0.1460: insufficient testing for
 getcmdcompltype() (#23159)

Problem:    Insufficient testing for getcmdcompltype().
Solution:   Add a few more test cases. (closes vim/vim#12268)

https://github.com/vim/vim/commit/961b2e54bdbe1c06e4bf8ccf7a7e3deb129b45de
---
 src/nvim/ex_getln.c               |  4 ++++
 test/old/testdir/test_cmdline.vim | 21 ++++++++++++++-------
 2 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/src/nvim/ex_getln.c b/src/nvim/ex_getln.c
index f3afbdcaaf..97343e468b 100644
--- a/src/nvim/ex_getln.c
+++ b/src/nvim/ex_getln.c
@@ -4096,6 +4096,10 @@ static char *get_cmdline_completion(void)
   }
 
   set_expand_context(p->xpc);
+  if (p->xpc->xp_context == EXPAND_UNSUCCESSFUL) {
+    return NULL;
+  }
+
   char *cmd_compl = get_user_cmd_complete(p->xpc, p->xpc->xp_context);
   if (cmd_compl != NULL) {
     return xstrdup(cmd_compl);
diff --git a/test/old/testdir/test_cmdline.vim b/test/old/testdir/test_cmdline.vim
index 74dd7bf3c4..0c6464ae80 100644
--- a/test/old/testdir/test_cmdline.vim
+++ b/test/old/testdir/test_cmdline.vim
@@ -3476,16 +3476,23 @@ func Test_cmdline_complete_bang_cmd_argument()
   call assert_equal('"!vim test_cmdline.vim', @:)
 endfunc
 
-func Check_completion()
-  call assert_equal('let a', getcmdline())
-  call assert_equal(6, getcmdpos())
-  call assert_equal(7, getcmdscreenpos())
-  call assert_equal('var', getcmdcompltype())
-  return ''
+func Call_cmd_funcs()
+  return string([getcmdpos(), getcmdscreenpos(), getcmdcompltype()])
 endfunc
 
 func Test_screenpos_and_completion()
-  call feedkeys(":let a\<C-R>=Check_completion()\<CR>\<Esc>", "xt")
+  call assert_equal(0, getcmdpos())
+  call assert_equal(0, getcmdscreenpos())
+  call assert_equal('', getcmdcompltype())
+
+  cnoremap <expr> <F2> string([getcmdpos(), getcmdscreenpos(), getcmdcompltype()])
+  call feedkeys(":let a\<F2>\<C-B>\"\<CR>", "xt")
+  call assert_equal("\"let a[6, 7, 'var']", @:)
+  call feedkeys(":quit \<F2>\<C-B>\"\<CR>", "xt")
+  call assert_equal("\"quit [6, 7, '']", @:)
+  call feedkeys(":nosuchcommand \<F2>\<C-B>\"\<CR>", "xt")
+  call assert_equal("\"nosuchcommand [15, 16, '']", @:)
+  cunmap <F2>
 endfunc
 
 func Test_recursive_register()