mirror of
https://github.com/neovim/neovim.git
synced 2024-12-22 12:15:06 -07:00
160 lines
6.2 KiB
Lua
160 lines
6.2 KiB
Lua
local helpers = require('test.functional.helpers')(after_each)
|
|
local thelpers = require('test.functional.terminal.helpers')
|
|
local clear, eq, curbuf = helpers.clear, helpers.eq, helpers.curbuf
|
|
local feed = helpers.feed
|
|
local feed_data = thelpers.feed_data
|
|
local enter_altscreen = thelpers.enter_altscreen
|
|
local exit_altscreen = thelpers.exit_altscreen
|
|
|
|
if helpers.pending_win32(pending) then return end
|
|
|
|
describe(':terminal altscreen', function()
|
|
local screen
|
|
|
|
before_each(function()
|
|
clear()
|
|
screen = thelpers.screen_setup()
|
|
feed_data({'line1', 'line2', 'line3', 'line4', 'line5', 'line6',
|
|
'line7', 'line8', ''})
|
|
screen:expect([[
|
|
line4 |
|
|
line5 |
|
|
line6 |
|
|
line7 |
|
|
line8 |
|
|
{1: } |
|
|
{3:-- TERMINAL --} |
|
|
]])
|
|
enter_altscreen()
|
|
screen:expect([[
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
{1: } |
|
|
{3:-- TERMINAL --} |
|
|
]])
|
|
eq(10, curbuf('line_count'))
|
|
end)
|
|
|
|
it('wont clear lines already in the scrollback', function()
|
|
feed('<c-\\><c-n>gg')
|
|
screen:expect([[
|
|
^tty ready |
|
|
line1 |
|
|
line2 |
|
|
line3 |
|
|
|
|
|
|
|
|
|
|
|
]])
|
|
end)
|
|
|
|
describe('on exit', function()
|
|
before_each(exit_altscreen)
|
|
|
|
it('restores buffer state', function()
|
|
screen:expect([[
|
|
line4 |
|
|
line5 |
|
|
line6 |
|
|
line7 |
|
|
line8 |
|
|
{1: } |
|
|
{3:-- TERMINAL --} |
|
|
]])
|
|
feed('<c-\\><c-n>gg')
|
|
screen:expect([[
|
|
^tty ready |
|
|
line1 |
|
|
line2 |
|
|
line3 |
|
|
line4 |
|
|
line5 |
|
|
|
|
|
]])
|
|
end)
|
|
end)
|
|
|
|
describe('with lines printed after the screen height limit', function()
|
|
before_each(function()
|
|
feed_data({'line9', 'line10', 'line11', 'line12', 'line13',
|
|
'line14', 'line15', 'line16', ''})
|
|
screen:expect([[
|
|
line12 |
|
|
line13 |
|
|
line14 |
|
|
line15 |
|
|
line16 |
|
|
{1: } |
|
|
{3:-- TERMINAL --} |
|
|
]])
|
|
end)
|
|
|
|
it('wont modify line count', function()
|
|
eq(10, curbuf('line_count'))
|
|
end)
|
|
|
|
it('wont modify lines in the scrollback', function()
|
|
feed('<c-\\><c-n>gg')
|
|
screen:expect([[
|
|
^tty ready |
|
|
line1 |
|
|
line2 |
|
|
line3 |
|
|
line12 |
|
|
line13 |
|
|
|
|
|
]])
|
|
end)
|
|
end)
|
|
|
|
describe('after height is decreased by 2', function()
|
|
local function wait_removal()
|
|
screen:try_resize(screen._width, screen._height - 2)
|
|
screen:expect([[
|
|
|
|
|
|
|
|
rows: 4, cols: 50 |
|
|
{1: } |
|
|
{3:-- TERMINAL --} |
|
|
]])
|
|
end
|
|
|
|
it('removes 2 lines from the bottom of the visible buffer', function()
|
|
wait_removal()
|
|
feed('<c-\\><c-n>4k')
|
|
screen:expect([[
|
|
^line3 |
|
|
|
|
|
|
|
|
rows: 4, cols: 50 |
|
|
|
|
|
]])
|
|
eq(8, curbuf('line_count'))
|
|
end)
|
|
|
|
describe('and after exit', function()
|
|
before_each(function()
|
|
wait_removal()
|
|
exit_altscreen()
|
|
end)
|
|
|
|
it('restore buffer state', function()
|
|
-- FIXME(tarruda): Note that the last line was lost after restoring the
|
|
-- screen. This is a libvterm bug: When the main screen is restored it
|
|
-- seems to "cut" lines that would have been left below the new visible
|
|
-- screen.
|
|
screen:expect([[
|
|
line4 |
|
|
line5 |
|
|
line6 |
|
|
line7 |
|
|
{3:-- TERMINAL --} |
|
|
]])
|
|
end)
|
|
end)
|
|
end)
|
|
end)
|