mirror of
https://github.com/neovim/neovim.git
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b522cb1ac3
Problem: buffer text with composing chars are converted from UTF-8 to an array of up to seven UTF-32 values and then converted back to UTF-8 strings. Solution: Convert buffer text directly to UTF-8 based schar_T values. The limit of the text size is now in schar_T bytes, which is currently 31+1 but easily could be raised as it no longer multiplies the size of the entire screen grid when not used, the full size is only required for temporary scratch buffers. Also does some general cleanup to win_line text handling, which was unnecessarily complicated due to multibyte rendering being an "opt-in" feature long ago. Nowadays, a char is just a char, regardless if it consists of one ASCII byte or multiple bytes.
288 lines
11 KiB
Lua
288 lines
11 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 child_session = require('test.functional.terminal.helpers')
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local assert_alive = helpers.assert_alive
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local mkdir, write_file, rmdir = helpers.mkdir, helpers.write_file, helpers.rmdir
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local eq = helpers.eq
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local feed = helpers.feed
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local feed_command = helpers.feed_command
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local clear = helpers.clear
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local command = helpers.command
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local testprg = helpers.testprg
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local nvim_dir = helpers.nvim_dir
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local has_powershell = helpers.has_powershell
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local set_shell_powershell = helpers.set_shell_powershell
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local skip = helpers.skip
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local is_os = helpers.is_os
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clear() -- for has_powershell()
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describe("shell command :!", function()
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local screen
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before_each(function()
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clear()
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screen = child_session.screen_setup(0, '["'..helpers.nvim_prog..
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'", "-u", "NONE", "-i", "NONE", "--cmd", "'..helpers.nvim_set..'"]')
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screen:expect([[
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{1: } |
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{4:~ }|
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{4:~ }|
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{4:~ }|
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{4:~ }|
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{3:-- TERMINAL --} |
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]])
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end)
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after_each(function()
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child_session.feed_data("\3") -- Ctrl-C
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end)
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it("displays output without LF/EOF. #4646 #4569 #3772", function()
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skip(is_os('win'))
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-- NOTE: We use a child nvim (within a :term buffer)
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-- to avoid triggering a UI flush.
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child_session.feed_data(":!printf foo; sleep 200\n")
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screen:expect([[
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{4:~ }|
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{4:~ }|
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{5: }|
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:!printf foo; sleep 200 |
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foo |
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{3:-- TERMINAL --} |
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]])
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end)
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it("throttles shell-command output greater than ~10KB", function()
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skip(is_os('openbsd'), 'FIXME #10804')
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skip(is_os('win'))
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child_session.feed_data((":!%s REP 30001 foo\n"):format(testprg('shell-test')))
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-- If we observe any line starting with a dot, then throttling occurred.
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-- Avoid false failure on slow systems.
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screen:expect{any="\n%.", timeout=20000}
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-- Final chunk of output should always be displayed, never skipped.
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-- (Throttling is non-deterministic, this test is merely a sanity check.)
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screen:expect([[
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29997: foo |
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29998: foo |
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29999: foo |
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30000: foo |
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{10:Press ENTER or type command to continue}{1: } |
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{3:-- TERMINAL --} |
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]], {
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-- test/functional/helpers.lua defaults to background=light.
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[1] = {reverse = true},
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[3] = {bold = true},
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[10] = {foreground = 2},
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})
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end)
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end)
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describe("shell command :!", function()
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before_each(function()
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clear()
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end)
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it("cat a binary file #4142", function()
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feed(":exe 'silent !cat '.shellescape(v:progpath)<CR>")
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assert_alive()
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end)
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it([[display \x08 char #4142]], function()
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feed(":silent !echo \08<CR>")
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assert_alive()
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end)
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it('handles control codes', function()
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skip(is_os('win'), 'missing printf')
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local screen = Screen.new(50, 4)
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screen:set_default_attr_ids {
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[1] = {bold = true, reverse = true};
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[2] = {bold = true, foreground = Screen.colors.SeaGreen};
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[3] = {foreground = Screen.colors.Blue};
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}
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screen:attach()
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-- Print TAB chars. #2958
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feed([[:!printf '1\t2\t3'<CR>]])
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screen:expect{grid=[[
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{1: }|
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:!printf '1\t2\t3' |
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1 2 3 |
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{2:Press ENTER or type command to continue}^ |
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]]}
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feed([[<CR>]])
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-- Print BELL control code. #4338
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screen.bell = false
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feed([[:!printf '\007\007\007\007text'<CR>]])
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screen:expect{grid=[[
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{1: }|
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:!printf '\007\007\007\007text' |
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text |
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{2:Press ENTER or type command to continue}^ |
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]], condition=function()
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eq(true, screen.bell)
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end}
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feed([[<CR>]])
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-- Print BS control code.
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feed([[:echo system('printf ''\010\n''')<CR>]])
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screen:expect([[
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{1: }|
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{3:^H} |
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{2:Press ENTER or type command to continue}^ |
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]])
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feed([[<CR>]])
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-- Print LF control code.
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feed([[:!printf '\n'<CR>]])
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screen:expect([[
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:!printf '\n' |
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{2:Press ENTER or type command to continue}^ |
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]])
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feed([[<CR>]])
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end)
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describe('', function()
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local screen
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before_each(function()
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rmdir('bang_filter_spec')
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mkdir('bang_filter_spec')
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write_file('bang_filter_spec/f1', 'f1')
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write_file('bang_filter_spec/f2', 'f2')
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write_file('bang_filter_spec/f3', 'f3')
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screen = Screen.new(53,10)
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screen:set_default_attr_ids({
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[1] = {bold = true, foreground = Screen.colors.Blue1},
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[2] = {foreground = Screen.colors.Blue1},
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[3] = {bold = true, foreground = Screen.colors.SeaGreen4},
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[4] = {bold = true, reverse = true},
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})
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screen:attach()
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end)
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after_each(function()
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rmdir('bang_filter_spec')
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end)
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it("doesn't truncate Last line of shell output #3269", function()
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command(is_os('win')
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and [[nnoremap <silent>\l :!dir /b bang_filter_spec<cr>]]
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or [[nnoremap <silent>\l :!ls bang_filter_spec<cr>]])
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local result = (is_os('win')
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and [[:!dir /b bang_filter_spec]]
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or [[:!ls bang_filter_spec ]])
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feed([[\l]])
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screen:expect([[
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{1:~ }|
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{1:~ }|
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{4: }|
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]]..result..[[ |
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f1 |
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f2 |
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f3 |
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{3:Press ENTER or type command to continue}^ |
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]])
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end)
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it('handles binary and multibyte data', function()
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feed_command('!cat test/functional/fixtures/shell_data.txt')
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screen.bell = false
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screen:expect{grid=[[
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{1:~ }|
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{4: }|
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:!cat test/functional/fixtures/shell_data.txt |
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{2:^@^A^B^C^D^E^F^H} |
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{2:^N^O^P^Q^R^S^T^U^V^W^X^Y^Z^[^\^]^^^_} |
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ö 한글 {2:<a5><c3>} |
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t {2:<ff>} |
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{3:Press ENTER or type command to continue}^ |
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]], condition=function()
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eq(true, screen.bell)
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end}
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end)
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it('handles multibyte sequences split over buffer boundaries', function()
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command('cd '..nvim_dir)
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local cmd = is_os('win') and '!shell-test UTF-8 ' or '!./shell-test UTF-8'
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feed_command(cmd)
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-- Note: only the first example of split composed char works
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screen:expect([[
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{4: }|
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:]]..cmd..[[ |
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å |
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ref: å̲ |
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1: å̲ |
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2: å ̲ |
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3: å ̲ |
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{3:Press ENTER or type command to continue}^ |
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]])
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end)
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end)
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if has_powershell() then
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it('powershell supports literal strings', function()
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set_shell_powershell()
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local screen = Screen.new(45, 4)
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screen:attach()
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feed_command([[!'Write-Output $a']])
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screen:expect([[
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:!'Write-Output $a' |
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Write-Output $a |
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Press ENTER or type command to continue^ |
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]])
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feed_command([[!$a = 1; Write-Output '$a']])
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screen:expect([[
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:!$a = 1; Write-Output '$a' |
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$a |
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Press ENTER or type command to continue^ |
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]])
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feed_command([[!"Write-Output $a"]])
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screen:expect([[
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:!"Write-Output $a" |
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Write-Output |
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Press ENTER or type command to continue^ |
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]])
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feed_command([[!$a = 1; Write-Output "$a"]])
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screen:expect([[
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:!$a = 1; Write-Output "$a" |
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1 |
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Press ENTER or type command to continue^ |
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]])
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if is_os('win') then
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feed_command([[!& 'cmd.exe' /c 'echo $a']])
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screen:expect([[
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:!& 'cmd.exe' /c 'echo $a' |
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$a |
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Press ENTER or type command to continue^ |
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]])
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else
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feed_command([[!& '/bin/sh' -c 'echo ''$a''']])
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screen:expect([[
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:!& '/bin/sh' -c 'echo ''$a''' |
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$a |
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Press ENTER or type command to continue^ |
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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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