mirror of
https://github.com/neovim/neovim.git
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65fb622000
Hope this will make people using feed_command less likely: this hides bugs. Already found at least two: 1. msgpackparse() will show internal error: hash_add() in case of duplicate keys, though it will still work correctly. Currently silenced. 2. ttimeoutlen was spelled incorrectly, resulting in option not being set when expected. Test was still functioning somehow though. Currently fixed.
477 lines
16 KiB
Lua
477 lines
16 KiB
Lua
local Screen = require('test.functional.ui.screen')
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local helpers = require('test.functional.helpers')(after_each)
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local thelpers = require('test.functional.terminal.helpers')
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local clear, eq, curbuf = helpers.clear, helpers.eq, helpers.curbuf
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local feed, nvim_dir, feed_command = helpers.feed, helpers.nvim_dir, helpers.feed_command
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local eval = helpers.eval
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local command = helpers.command
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local wait = helpers.wait
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local retry = helpers.retry
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local curbufmeths = helpers.curbufmeths
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local nvim = helpers.nvim
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local feed_data = thelpers.feed_data
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if helpers.pending_win32(pending) then return end
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describe('terminal scrollback', function()
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local screen
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before_each(function()
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clear()
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screen = thelpers.screen_setup(nil, nil, 30)
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end)
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after_each(function()
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screen:detach()
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end)
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describe('when the limit is exceeded', function()
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before_each(function()
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local lines = {}
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for i = 1, 30 do
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table.insert(lines, 'line'..tostring(i))
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end
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table.insert(lines, '')
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feed_data(lines)
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screen:expect([[
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line26 |
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line27 |
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line28 |
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line29 |
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line30 |
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{1: } |
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{3:-- TERMINAL --} |
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]])
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end)
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it('will delete extra lines at the top', function()
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feed('<c-\\><c-n>gg')
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screen:expect([[
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^line16 |
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line17 |
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line18 |
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line19 |
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line20 |
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line21 |
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]])
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end)
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end)
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describe('with the cursor at the last row', function()
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before_each(function()
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feed_data({'line1', 'line2', 'line3', 'line4', ''})
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screen:expect([[
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tty ready |
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line1 |
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line2 |
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line3 |
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line4 |
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{1: } |
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{3:-- TERMINAL --} |
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]])
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end)
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describe('and 1 line is printed', function()
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before_each(function() feed_data({'line5', ''}) end)
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it('will hide the top line', function()
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screen:expect([[
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line1 |
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line2 |
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line3 |
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line4 |
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line5 |
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{1: } |
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{3:-- TERMINAL --} |
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]])
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eq(7, curbuf('line_count'))
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end)
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describe('and then 3 more lines are printed', function()
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before_each(function() feed_data({'line6', 'line7', 'line8'}) end)
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it('will hide the top 4 lines', function()
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screen:expect([[
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line3 |
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line4 |
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line5 |
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line6 |
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line7 |
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line8{1: } |
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{3:-- TERMINAL --} |
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]])
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feed('<c-\\><c-n>6k')
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screen:expect([[
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^line2 |
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line3 |
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line4 |
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line5 |
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line6 |
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line7 |
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]])
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feed('gg')
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screen:expect([[
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^tty ready |
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line1 |
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line2 |
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line3 |
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line4 |
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line5 |
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]])
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feed('G')
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screen:expect([[
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line3 |
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line4 |
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line5 |
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line6 |
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line7 |
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^line8{2: } |
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]])
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end)
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end)
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end)
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describe('and the height is decreased by 1', function()
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local function will_hide_top_line()
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screen:try_resize(screen._width, screen._height - 1)
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screen:expect([[
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line2 |
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line3 |
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line4 |
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rows: 5, cols: 30 |
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{1: } |
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{3:-- TERMINAL --} |
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]])
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end
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it('will hide top line', will_hide_top_line)
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describe('and then decreased by 2', function()
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before_each(function()
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will_hide_top_line()
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screen:try_resize(screen._width, screen._height - 2)
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end)
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it('will hide the top 3 lines', function()
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screen:expect([[
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rows: 5, cols: 30 |
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rows: 3, cols: 30 |
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{1: } |
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{3:-- TERMINAL --} |
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]])
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eq(8, curbuf('line_count'))
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feed('<c-\\><c-n>3k')
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screen:expect([[
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^line4 |
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rows: 5, cols: 30 |
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rows: 3, cols: 30 |
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]])
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end)
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end)
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end)
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end)
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describe('with empty lines after the cursor', function()
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describe('and the height is decreased by 2', function()
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before_each(function()
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screen:try_resize(screen._width, screen._height - 2)
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end)
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local function will_delete_last_two_lines()
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screen:expect([[
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tty ready |
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rows: 4, cols: 30 |
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{1: } |
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{3:-- TERMINAL --} |
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]])
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eq(4, curbuf('line_count'))
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end
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it('will delete the last two empty lines', will_delete_last_two_lines)
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describe('and then decreased by 1', function()
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before_each(function()
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will_delete_last_two_lines()
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screen:try_resize(screen._width, screen._height - 1)
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end)
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it('will delete the last line and hide the first', function()
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screen:expect([[
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rows: 4, cols: 30 |
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rows: 3, cols: 30 |
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{1: } |
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{3:-- TERMINAL --} |
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]])
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eq(4, curbuf('line_count'))
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feed('<c-\\><c-n>gg')
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screen:expect([[
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^tty ready |
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rows: 4, cols: 30 |
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rows: 3, cols: 30 |
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]])
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feed('a')
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screen:expect([[
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rows: 4, cols: 30 |
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rows: 3, cols: 30 |
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{1: } |
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{3:-- TERMINAL --} |
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]])
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end)
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end)
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end)
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end)
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describe('with 4 lines hidden in the scrollback', function()
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before_each(function()
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feed_data({'line1', 'line2', 'line3', 'line4', ''})
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screen:expect([[
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tty ready |
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line1 |
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line2 |
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line3 |
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line4 |
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{1: } |
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{3:-- TERMINAL --} |
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]])
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screen:try_resize(screen._width, screen._height - 3)
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screen:expect([[
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line4 |
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rows: 3, cols: 30 |
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{1: } |
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{3:-- TERMINAL --} |
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]])
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eq(7, curbuf('line_count'))
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end)
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describe('and the height is increased by 1', function()
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local function pop_then_push()
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screen:try_resize(screen._width, screen._height + 1)
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screen:expect([[
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line4 |
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rows: 3, cols: 30 |
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rows: 4, cols: 30 |
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{1: } |
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{3:-- TERMINAL --} |
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]])
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end
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it('will pop 1 line and then push it back', pop_then_push)
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describe('and then by 3', function()
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before_each(function()
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pop_then_push()
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eq(8, curbuf('line_count'))
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screen:try_resize(screen._width, screen._height + 3)
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end)
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local function pop3_then_push1()
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screen:expect([[
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line2 |
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line3 |
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line4 |
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rows: 3, cols: 30 |
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rows: 4, cols: 30 |
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rows: 7, cols: 30 |
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{1: } |
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{3:-- TERMINAL --} |
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]])
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eq(9, curbuf('line_count'))
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feed('<c-\\><c-n>gg')
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screen:expect([[
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^tty ready |
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line1 |
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line2 |
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line3 |
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line4 |
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rows: 3, cols: 30 |
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rows: 4, cols: 30 |
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]])
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end
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it('will pop 3 lines and then push one back', pop3_then_push1)
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describe('and then by 4', function()
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before_each(function()
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pop3_then_push1()
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feed('Gi')
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screen:try_resize(screen._width, screen._height + 4)
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end)
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it('will show all lines and leave a blank one at the end', function()
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screen:expect([[
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tty ready |
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line1 |
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line2 |
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line3 |
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line4 |
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rows: 3, cols: 30 |
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rows: 4, cols: 30 |
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rows: 7, cols: 30 |
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rows: 11, cols: 30 |
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{1: } |
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{3:-- TERMINAL --} |
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]])
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-- since there's an empty line after the cursor, the buffer line
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-- count equals the terminal screen height
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eq(11, curbuf('line_count'))
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end)
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end)
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end)
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end)
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end)
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end)
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describe('terminal prints more lines than the screen height and exits', function()
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it('will push extra lines to scrollback', function()
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clear()
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local screen = Screen.new(30, 7)
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screen:attach({rgb=false})
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feed_command('call termopen(["'..nvim_dir..'/tty-test", "10"]) | startinsert')
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wait()
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screen:expect([[
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line6 |
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line7 |
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line8 |
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line9 |
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[Process exited 0] |
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-- TERMINAL -- |
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]])
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feed('<cr>')
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-- closes the buffer correctly after pressing a key
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screen:expect([[
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^ |
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~ |
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~ |
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~ |
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~ |
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~ |
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]])
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end)
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end)
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describe("'scrollback' option", function()
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before_each(function()
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clear()
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end)
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local function set_fake_shell()
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-- shell-test.c is a fake shell that prints its arguments and exits.
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nvim('set_option', 'shell', nvim_dir..'/shell-test')
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nvim('set_option', 'shellcmdflag', 'EXE')
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end
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local function expect_lines(expected, epsilon)
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local ep = epsilon and epsilon or 0
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local actual = eval("line('$')")
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if expected > actual + ep and expected < actual - ep then
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error('expected (+/- '..ep..'): '..expected..', actual: '..tostring(actual))
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end
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end
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it('set to 0 behaves as 1', function()
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local screen = thelpers.screen_setup(nil, "['sh']", 30)
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curbufmeths.set_option('scrollback', 0)
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feed_data('for i in $(seq 1 30); do echo "line$i"; done\n')
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screen:expect('line30 ', nil, nil, nil, true)
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retry(nil, nil, function() expect_lines(7) end)
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screen:detach()
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end)
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it('deletes lines (only) if necessary', function()
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local screen = thelpers.screen_setup(nil, "['sh']", 30)
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curbufmeths.set_option('scrollback', 200)
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-- Wait for prompt.
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screen:expect('$', nil, nil, nil, true)
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wait()
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feed_data('for i in $(seq 1 30); do echo "line$i"; done\n')
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screen:expect('line30 ', nil, nil, nil, true)
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retry(nil, nil, function() expect_lines(33, 2) end)
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curbufmeths.set_option('scrollback', 10)
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wait()
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retry(nil, nil, function() expect_lines(16) end)
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curbufmeths.set_option('scrollback', 10000)
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retry(nil, nil, function() expect_lines(16) end)
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-- Terminal job data is received asynchronously, may happen before the
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-- 'scrollback' option is synchronized with the internal sb_buffer.
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command('sleep 100m')
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feed_data('for i in $(seq 1 40); do echo "line$i"; done\n')
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screen:expect('line40 ', nil, nil, nil, true)
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retry(nil, nil, function() expect_lines(58) end)
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-- Verify off-screen state
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eq('line35', eval("getline(line('w0') - 1)"))
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eq('line26', eval("getline(line('w0') - 10)"))
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screen:detach()
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end)
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it('defaults to 1000 in terminal buffers', function()
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set_fake_shell()
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command('terminal')
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eq(1000, curbufmeths.get_option('scrollback'))
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end)
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it('error if set to invalid value', function()
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local status, rv = pcall(command, 'set scrollback=-2')
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eq(false, status) -- assert failure
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eq('E474:', string.match(rv, "E%d*:"))
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status, rv = pcall(command, 'set scrollback=100001')
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eq(false, status) -- assert failure
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eq('E474:', string.match(rv, "E%d*:"))
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end)
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it('defaults to -1 on normal buffers', function()
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command('new')
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eq(-1, curbufmeths.get_option('scrollback'))
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end)
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it(':setlocal in a normal buffer is an error', function()
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command('new')
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feed_command('setlocal scrollback=42')
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feed('<CR>')
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eq('E474:', string.match(eval("v:errmsg"), "E%d*:"))
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eq(-1, curbufmeths.get_option('scrollback'))
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end)
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it(':set updates local value and global default', function()
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set_fake_shell()
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command('set scrollback=42') -- set global and (attempt) local
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eq(-1, curbufmeths.get_option('scrollback')) -- normal buffer: -1
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command('terminal')
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eq(42, curbufmeths.get_option('scrollback')) -- inherits global default
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command('setlocal scrollback=99')
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eq(99, curbufmeths.get_option('scrollback'))
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command('set scrollback<') -- reset to global default
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eq(42, curbufmeths.get_option('scrollback'))
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command('setglobal scrollback=734') -- new global default
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eq(42, curbufmeths.get_option('scrollback')) -- local value did not change
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command('terminal')
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eq(734, curbufmeths.get_option('scrollback'))
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end)
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end)
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