diff options
| -rw-r--r-- | test/functional/ui/statusline_spec.lua | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/functional/ui/statusline_spec.lua b/test/functional/ui/statusline_spec.lua index 1c184ff27d..c59ade0e31 100644 --- a/test/functional/ui/statusline_spec.lua +++ b/test/functional/ui/statusline_spec.lua @@ -10,6 +10,7 @@ local meths = helpers.meths local exec = helpers.exec local exec_lua = helpers.exec_lua local eval = helpers.eval +local sleep = helpers.sleep describe('statusline clicks', function() local screen @@ -589,3 +590,35 @@ it('showcmdloc=statusline does not show if statusline is too narrow', function() feed('1234') screen:expect_unchanged() end) + +it('K_EVENT does not trigger a statusline redraw unnecessarily', function() + clear() + local screen = Screen.new(40, 8) + screen:attach() + -- does not redraw on vim.schedule (#17937) + command([[ + set laststatus=2 + let g:counter = 0 + func Status() + let g:counter += 1 + lua vim.schedule(function() end) + return g:counter + endfunc + set statusline=%!Status() + ]]) + sleep(50) + eq(1, eval('g:counter < 50'), 'g:counter=' .. eval('g:counter')) + -- also in insert mode + feed('i') + sleep(50) + eq(1, eval('g:counter < 50'), 'g:counter=' .. eval('g:counter')) + -- does not redraw on timer call (#14303) + command([[ + let g:counter = 0 + func Timer(timer) + endfunc + call timer_start(1, 'Timer', {'repeat': 100}) + ]]) + sleep(50) + eq(1, eval('g:counter < 50'), 'g:counter=' .. eval('g:counter')) +end) |