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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 request = helpers.request
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()
local screen = Screen.new()
local status, rv = pcall(function() screen:attach({foo={'foo'}}) end)
eq(false, status)
eq('No such UI option', rv:match("No such .*"))
end)
it('validates channel arg', function()
assert.has_error(function() request('nvim_ui_try_resize', 40, 10) end,
'UI not attached to channel: 1')
assert.has_error(function() request('nvim_ui_set_option', 'rgb', true) end,
'UI not attached to channel: 1')
assert.has_error(function() request('nvim_ui_detach') end,
'UI not attached to channel: 1')
local screen = Screen.new()
screen:attach({rgb=false})
assert.has_error(function()
request('nvim_ui_attach', 40, 10, { rgb=false })
end,
'UI already attached to channel: 1')
end)
end)
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