From d52cc668c736ef6ca7ee3655a7eb7fe6475afadc Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Mon, 10 Apr 2023 07:33:26 +0800
Subject: vim-patch:9.0.1443: ending Insert mode when accessing a hidden prompt
 buffer (#22984)

Problem:    Ending Insert mode when accessing a hidden prompt buffer.
Solution:   Don't stop Insert mode when it was active before. (closes vim/vim#12237)

https://github.com/vim/vim/commit/05a627c3d4e42a18f76c14828d68ee4747118211

Co-authored-by: Bram Moolenaar <Bram@vim.org>
---
 test/functional/legacy/prompt_buffer_spec.lua |  6 ++++++
 test/old/testdir/test_prompt_buffer.vim       | 11 +++++++++++
 2 files changed, 17 insertions(+)

(limited to 'test')

diff --git a/test/functional/legacy/prompt_buffer_spec.lua b/test/functional/legacy/prompt_buffer_spec.lua
index 6c72cde855..5c3f8a6f8c 100644
--- a/test/functional/legacy/prompt_buffer_spec.lua
+++ b/test/functional/legacy/prompt_buffer_spec.lua
@@ -247,6 +247,7 @@ describe('prompt buffer', function()
 
       func DoAppend()
         call appendbufline('prompt', '$', 'Test')
+        return ''
       endfunc
     ]])
     feed('asomething<CR>')
@@ -254,7 +255,12 @@ describe('prompt buffer', function()
     neq(prev_win, meths.get_current_win())
     feed('exit<CR>')
     eq(prev_win, meths.get_current_win())
+    eq({ mode = 'n', blocking = false }, meths.get_mode())
     command('call DoAppend()')
     eq({ mode = 'n', blocking = false }, meths.get_mode())
+    feed('i')
+    eq({ mode = 'i', blocking = false }, meths.get_mode())
+    command('call DoAppend()')
+    eq({ mode = 'i', blocking = false }, meths.get_mode())
   end)
 end)
diff --git a/test/old/testdir/test_prompt_buffer.vim b/test/old/testdir/test_prompt_buffer.vim
index 43d8bb4789..2cc3f19b59 100644
--- a/test/old/testdir/test_prompt_buffer.vim
+++ b/test/old/testdir/test_prompt_buffer.vim
@@ -271,6 +271,7 @@ func Test_prompt_appending_while_hidden()
 
       func DoAppend()
         call appendbufline('prompt', '$', 'Test')
+        return ''
       endfunc
   END
   call writefile(script, 'XpromptBuffer', 'D')
@@ -283,11 +284,21 @@ func Test_prompt_appending_while_hidden()
 
   call term_sendkeys(buf, "exit\<CR>")
   call TermWait(buf)
+  call assert_notmatch('-- INSERT --', term_getline(buf, 10))
 
   call term_sendkeys(buf, ":call DoAppend()\<CR>")
   call TermWait(buf)
   call assert_notmatch('-- INSERT --', term_getline(buf, 10))
 
+  call term_sendkeys(buf, "i")
+  call TermWait(buf)
+  call assert_match('-- INSERT --', term_getline(buf, 10))
+
+  call term_sendkeys(buf, "\<C-R>=DoAppend()\<CR>")
+  call TermWait(buf)
+  call assert_match('-- INSERT --', term_getline(buf, 10))
+
+  call term_sendkeys(buf, "\<Esc>")
   call StopVimInTerminal(buf)
 endfunc
 
-- 
cgit