From 9b2efe6b7d40d6ef317751768a65c74e4e2e8152 Mon Sep 17 00:00:00 2001
From: Jan Edmund Lazo <jan.lazo@mail.utoronto.ca>
Date: Wed, 25 Nov 2020 02:27:10 -0500
Subject: vim-patch:8.2.0991: cannot get window type for autocmd and preview
 window

Problem:    Cannot get window type for autocmd and preview window.
Solution:   Add types to win_gettype(). (Yegappan Lakshmanan, closes vim/vim#6277)
https://github.com/vim/vim/commit/0fe937fd8616fcd24b1b1ef2ab9f1657615dd22c

Cherry-pick test_preview.vim,test_window_cmd.vim changes
from patch v8.2.0522.
---
 src/nvim/testdir/test_preview.vim | 44 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

(limited to 'src/nvim/testdir/test_preview.vim')

diff --git a/src/nvim/testdir/test_preview.vim b/src/nvim/testdir/test_preview.vim
index 91923fb1e9..6c4ae414d3 100644
--- a/src/nvim/testdir/test_preview.vim
+++ b/src/nvim/testdir/test_preview.vim
@@ -11,3 +11,47 @@ func Test_Psearch()
   call assert_equal(wincount, winnr('$'))
   bwipe
 endfunc
+
+func Test_window_preview()
+  " Open a preview window
+  pedit Xa
+  call assert_equal(2, winnr('$'))
+  call assert_equal(0, &previewwindow)
+
+  " Go to the preview window
+  wincmd P
+  call assert_equal(1, &previewwindow)
+  call assert_equal('preview', win_gettype())
+
+  " Close preview window
+  wincmd z
+  call assert_equal(1, winnr('$'))
+  call assert_equal(0, &previewwindow)
+
+  call assert_fails('wincmd P', 'E441:')
+endfunc
+
+func Test_window_preview_from_help()
+  filetype on
+  call writefile(['/* some C code */'], 'Xpreview.c')
+  help
+  pedit Xpreview.c
+  wincmd P
+  call assert_equal(1, &previewwindow)
+  call assert_equal('c', &filetype)
+  wincmd z
+
+  filetype off
+  close
+  call delete('Xpreview.c')
+endfunc
+
+func Test_multiple_preview_windows()
+  new
+  set previewwindow
+  new
+  call assert_fails('set previewwindow', 'E590:')
+  %bw!
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab
-- 
cgit