commit e2c0f81dd014b03a40af6b2c42463b7a0d92f5d6
author zeertzjq <zeertzjq@outlook.com> Sun Jul 06 20:26:56 2025 +0200
committer Christian Brabandt <cb@256bit.org> Sun Jul 06 20:26:56 2025 +0200
tree ba98cd366b00baf8993e4f79f794cbcfd5cfc977
parent d6a5edd6136438d594c535f1ad6635768640331a

patch 9.1.1518: getcompletiontype() may crash

Problem:  getcompletiontype() crashes when no completion is available
          (after v9.1.1509).
Solution: Don't call set_expand_context() (zeertzjq)

fixes: #17681
closes: #17684

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/testdir/test_cmdline.vim

diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index cb0bcf7..b3d2936 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -880,12 +880,13 @@
 func Test_getcompletiontype()
   call assert_fails('call getcompletiontype()', 'E119:')
   call assert_fails('call getcompletiontype({})', 'E1174:')
-  call assert_equal(getcompletiontype(''), 'command')
-  call assert_equal(getcompletiontype('dummy '), '')
-  call assert_equal(getcompletiontype('cd '), 'dir_in_path')
-  call assert_equal(getcompletiontype('let v:n'), 'var')
-  call assert_equal(getcompletiontype('call tag'), 'function')
-  call assert_equal(getcompletiontype('help '), 'help')
+  call assert_equal('command', getcompletiontype(''))
+  call assert_equal('', getcompletiontype('dummy '))
+  call assert_equal('', getcompletiontype('ls '))
+  call assert_equal('dir_in_path', getcompletiontype('cd '))
+  call assert_equal('var', getcompletiontype('let v:n'))
+  call assert_equal('function', getcompletiontype('call tag'))
+  call assert_equal('help', getcompletiontype('help '))
 endfunc
 
 func Test_multibyte_expression()
@@ -4202,6 +4203,8 @@
 
   call feedkeys(":Test1 \<C-R>=Check_custom_completion()\<CR>\<Esc>", "xt")
   call feedkeys(":Test2 \<C-R>=Check_customlist_completion()\<CR>\<Esc>", "xt")
+  call assert_equal('custom,CustomComplete1', getcompletiontype('Test1 '))
+  call assert_equal('customlist,CustomComplete2', getcompletiontype('Test2 '))
 
   call assert_fails("call getcompletion('', 'custom')", 'E475:')
   call assert_fails("call getcompletion('', 'customlist')", 'E475:')