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local helpers = require('test.functional.helpers')(after_each)
local Screen = require('test.functional.ui.screen')
local clear = helpers.clear
local eq = helpers.eq
local eval = helpers.eval
local meths = helpers.meths
local request = helpers.request
local pcall_err = helpers.pcall_err
describe('nvim_ui_attach()', function()
before_each(function()
clear()
end)
it('handles very large width/height #2180', function()
local screen = Screen.new(999, 999)
screen:attach()
eq(999, eval('&lines'))
eq(999, eval('&columns'))
end)
it('invalid option returns error', function()
eq('No such UI option: foo',
pcall_err(meths.ui_attach, 80, 24, { foo={'foo'} }))
end)
it('validates channel arg', function()
eq('UI not attached to channel: 1',
pcall_err(request, 'nvim_ui_try_resize', 40, 10))
eq('UI not attached to channel: 1',
pcall_err(request, 'nvim_ui_set_option', 'rgb', true))
eq('UI not attached to channel: 1',
pcall_err(request, 'nvim_ui_detach'))
local screen = Screen.new()
screen:attach({rgb=false})
eq('UI already attached to channel: 1',
pcall_err(request, 'nvim_ui_attach', 40, 10, { rgb=false }))
end)
end)
it('autocmds UIEnter/UILeave', function()
clear{
args_rm={'--headless'},
args={
'--cmd', 'let g:evs = []',
'--cmd', 'autocmd UIEnter * :call add(g:evs, "UIEnter") | let g:uienter_ev = deepcopy(v:event)',
'--cmd', 'autocmd UILeave * :call add(g:evs, "UILeave") | let g:uileave_ev = deepcopy(v:event)',
'--cmd', 'autocmd VimEnter * :call add(g:evs, "VimEnter")',
}}
local screen = Screen.new()
screen:attach()
eq({chan=1}, eval('g:uienter_ev'))
screen:detach()
eq({chan=1}, eval('g:uileave_ev'))
eq({
'VimEnter',
'UIEnter',
'UILeave',
}, eval('g:evs'))
end)
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