vim-patch:8.2.2147: quickfix window title not updated in all tab pages (#13545)

Problem:    Quickfix window title not updated in all tab pages.
Solution:   Update the quickfix window title in all tab pages. (Yegappan
            Lakshmanan, closes vim/vim#7481, closes vim/vim#7466)
https://github.com/vim/vim/commit/530bed993e41bda6f717a8ddd0acb39464f95336

1 files changed, 24 insertions, 0 deletions

diff --git a/src/nvim/testdir/test_quickfix.vim b/src/nvim/testdir/test_quickfix.vim
index 5323b1acf3..563dbd90d9 100644
--- a/src/nvim/testdir/test_quickfix.vim
+++ b/src/nvim/testdir/test_quickfix.vim
@@ -3762,6 +3762,30 @@ func Test_qftitle()
   call setqflist([], 'r', {'items' : [{'filename' : 'a.c', 'lnum' : 10}]})
   call assert_equal('Errors', w:quickfix_title)
   cclose
+
+  " Switching to another quickfix list in one tab page should update the
+  " quickfix window title and statusline in all the other tab pages also
+  call setqflist([], 'f')
+  %bw!
+  cgetexpr ['file_one:1:1: error in the first quickfix list']
+  call setqflist([], 'a', {'title': 'first quickfix list'})
+  cgetexpr ['file_two:2:1: error in the second quickfix list']
+  call setqflist([], 'a', {'title': 'second quickfix list'})
+  copen
+  wincmd t
+  tabnew two
+  copen
+  wincmd t
+  colder
+  call assert_equal('first quickfix list', gettabwinvar(1, 2, 'quickfix_title'))
+  call assert_equal('first quickfix list', gettabwinvar(2, 2, 'quickfix_title'))
+  call assert_equal(1, tabpagewinnr(1))
+  call assert_equal(1, tabpagewinnr(2))
+  tabnew
+  call setqflist([], 'a', {'title': 'new quickfix title'})
+  call assert_equal('new quickfix title', gettabwinvar(1, 2, 'quickfix_title'))
+  call assert_equal('new quickfix title', gettabwinvar(2, 2, 'quickfix_title'))
+  %bw!
 endfunc
 
 func Test_lbuffer_with_bwipe()