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https://github.com/neovim/neovim.git
synced 2026-08-14 11:29:31 +00:00
a8da01f8e6
Problem: 'linebreak' filler and 'breakindent'/'showbreak' padding are screen cells with no buffer character behind them, yet a decoration draws over them whether or not it asked to cover such cells. A highlight bounded to its text then paints a tail out to the edge of the row, most visible on inline code spans from plugins. That same highlight already leaves the cells past the end of a line alone, so it treats identical cells two different ways. Solution: Only a decoration with 'hl_eol' draws the gaps, which is what the flag already means at the end of a line. A full-width background such as a fenced code block sets it and still covers them. Classic :syntax has no such flag and is unchanged.
369 lines
14 KiB
Lua
369 lines
14 KiB
Lua
-- Test for linebreak and list option (non-utf8)
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local n = require('test.functional.testnvim')()
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local t = require('test.testutil')
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local Screen = require('test.functional.ui.screen')
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local describe, it, before_each = t.describe, t.it, t.before_each
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local feed, insert, source = n.feed, n.insert, n.source
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local clear, command, feed_command, expect = n.clear, n.command, n.feed_command, n.expect
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describe('listlbr', function()
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before_each(clear)
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-- luacheck: ignore 621 (Indentation)
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-- luacheck: ignore 611 (Line contains only whitespaces)
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-- luacheck: ignore 613 (Trailing whitespaces in a string)
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it('is working', function()
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insert([[
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dummy text]])
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feed_command('set wildchar=^E')
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feed_command('10new')
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feed_command('vsp')
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feed_command('vert resize 20')
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feed_command([[put =\"\tabcdef hijklmn\tpqrstuvwxyz_1060ABCDEFGHIJKLMNOP \"]])
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feed_command('norm! zt')
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feed_command('set ts=4 sw=4 sts=4 linebreak sbr=+ wrap')
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source([[
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fu! ScreenChar(width)
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let c=''
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for j in range(1,4)
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for i in range(1,a:width)
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let c.=nr2char(screenchar(j, i))
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endfor
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let c.="\n"
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endfor
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return c
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endfu
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fu! DoRecordScreen()
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wincmd l
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$put =printf(\"\n%s\", g:test)
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$put =g:line
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wincmd p
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endfu
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]])
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feed_command('let g:test="Test 1: set linebreak"')
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feed_command('redraw!')
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feed_command('let line=ScreenChar(winwidth(0))')
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feed_command('call DoRecordScreen()')
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feed_command('let g:test="Test 2: set linebreak + set list"')
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feed_command('set linebreak list listchars=')
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feed_command('redraw!')
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feed_command('let line=ScreenChar(winwidth(0))')
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feed_command('call DoRecordScreen()')
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feed_command('let g:test ="Test 3: set linebreak nolist"')
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feed_command('set nolist linebreak')
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feed_command('redraw!')
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feed_command('let line=ScreenChar(winwidth(0))')
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feed_command('call DoRecordScreen()')
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feed_command(
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'let g:test ="Test 4: set linebreak with tab and 1 line as long as screen: should break!"'
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)
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feed_command('set nolist linebreak ts=8')
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feed_command([[let line="1\t".repeat('a', winwidth(0)-2)]])
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feed_command('$put =line')
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feed_command('$')
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feed_command('norm! zt')
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feed_command('redraw!')
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feed_command('let line=ScreenChar(winwidth(0))')
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feed_command('call DoRecordScreen()')
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feed_command([[let line="_S_\t bla"]])
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feed_command('$put =line')
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feed_command('$')
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feed_command('norm! zt')
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feed_command(
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'let g:test ="Test 5: set linebreak with conceal and set list and tab displayed by different char (line may not be truncated)"'
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)
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feed_command('set cpo&vim list linebreak conceallevel=2 concealcursor=nv listchars=tab:ab')
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feed_command('syn match ConcealVar contained /_/ conceal')
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feed_command('syn match All /.*/ contains=ConcealVar')
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feed_command('let line=ScreenChar(winwidth(0))')
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feed_command('call DoRecordScreen()')
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feed_command('set cpo&vim linebreak')
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feed_command('let g:test ="Test 6: set linebreak with visual block mode"')
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feed_command('let line="REMOVE: this not"')
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feed_command('$put =g:test')
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feed_command('$put =line')
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feed_command('let line="REMOVE: aaaaaaaaaaaaa"')
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feed_command('$put =line')
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feed_command('1/^REMOVE:')
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feed('0<C-V>jf x')
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feed_command('$put')
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feed_command('set cpo&vim linebreak')
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feed_command('let g:test ="Test 7: set linebreak with visual block mode and v_b_A"')
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feed_command('$put =g:test')
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feed('Golong line: <esc>40afoobar <esc>aTARGET at end<esc>')
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feed_command([[exe "norm! $3B\<C-v>eAx\<Esc>"]])
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feed_command('set cpo&vim linebreak sbr=')
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feed_command('let g:test ="Test 8: set linebreak with visual char mode and changing block"')
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feed_command('$put =g:test')
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feed('Go1111-1111-1111-11-1111-1111-1111<esc>0f-lv3lc2222<esc>bgj.')
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feed_command('let g:test ="Test 9: using redo after block visual mode"')
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feed_command('$put =g:test')
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feed('Go<CR>')
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feed('aaa<CR>')
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feed('aaa<CR>')
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feed('a<ESC>2k<C-V>2j~e.<CR>')
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feed_command('let g:test ="Test 10: using normal commands after block-visual"')
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feed_command('$put =g:test')
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feed_command('set linebreak')
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feed('Go<cr>')
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feed('abcd{ef<cr>')
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feed('ghijklm<cr>')
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feed('no}pqrs<esc>2k0f{<C-V><C-V>c%<esc>')
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feed_command('let g:test ="Test 11: using block replace mode after wrapping"')
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feed_command('$put =g:test')
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feed_command('set linebreak wrap')
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feed('Go<esc>150aa<esc>yypk147|<C-V>jr0<cr>')
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feed_command('let g:test ="Test 12: set linebreak list listchars=space:_,tab:>-,tail:-,eol:$"')
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feed_command('set list listchars=space:_,trail:-,tab:>-,eol:$')
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feed_command('$put =g:test')
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feed_command([[let line="a aaaaaaaaaaaaaaaaaaaaaa\ta "]])
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feed_command('$put =line')
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feed_command('$')
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feed_command('norm! zt')
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feed_command('redraw!')
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feed_command('let line=ScreenChar(winwidth(0))')
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feed_command('call DoRecordScreen()')
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-- Assert buffer contents.
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expect([[
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abcdef hijklmn pqrstuvwxyz_1060ABCDEFGHIJKLMNOP
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Test 1: set linebreak
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abcdef
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+hijklmn
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+pqrstuvwxyz_1060ABC
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+DEFGHIJKLMNOP
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Test 2: set linebreak + set list
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^Iabcdef hijklmn^I
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+pqrstuvwxyz_1060ABC
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+DEFGHIJKLMNOP
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Test 3: set linebreak nolist
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abcdef
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+hijklmn
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+pqrstuvwxyz_1060ABC
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+DEFGHIJKLMNOP
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1 aaaaaaaaaaaaaaaaaa
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Test 4: set linebreak with tab and 1 line as long as screen: should break!
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1
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+aaaaaaaaaaaaaaaaaa
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~
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~
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_S_ bla
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Test 5: set linebreak with conceal and set list and tab displayed by different char (line may not be truncated)
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Sabbbbbb bla
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~
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~
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~
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Test 6: set linebreak with visual block mode
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this not
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aaaaaaaaaaaaa
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REMOVE:
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REMOVE:
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Test 7: set linebreak with visual block mode and v_b_A
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long line: foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar TARGETx at end
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Test 8: set linebreak with visual char mode and changing block
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1111-2222-1111-11-1111-2222-1111
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Test 9: using redo after block visual mode
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AaA
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AaA
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A
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Test 10: using normal commands after block-visual
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abcdpqrs
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Test 11: using block replace mode after wrapping
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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa0aaa
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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa0aaa
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Test 12: set linebreak list listchars=space:_,tab:>-,tail:-,eol:$
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a aaaaaaaaaaaaaaaaaaaaaa a
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Test 12: set linebreak list listchars=space:_,tab:>-,tail:-,eol:$
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a_
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aaaaaaaaaaaaaaaaaaaa
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aa>-----a-$
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~ ]])
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end)
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-- oldtest: Test_linebreak_reset_restore()
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it('cursor position is drawn correctly after operator', function()
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local screen = Screen.new(60, 6)
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-- f_wincol() calls validate_cursor()
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source([[
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set linebreak showcmd noshowmode formatexpr=wincol()-wincol()
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call setline(1, repeat('a', &columns - 10) .. ' bbbbbbbbbb c')
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]])
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feed('$v$')
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screen:expect([[
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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
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bbbbbbbbbb {17:c}^ |
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{1:~ }|*3
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2 |
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]])
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feed('zo')
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screen:expect([[
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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
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bbbbbbbbbb ^c |
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{1:~ }|*3
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{9:E490: No fold found} |
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]])
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feed('$v$')
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screen:expect([[
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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
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bbbbbbbbbb {17:c}^ |
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{1:~ }|*3
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{9:E490: No fold found} 2 |
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]])
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feed('gq')
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screen:expect([[
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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
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bbbbbbbbbb ^c |
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{1:~ }|*3
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{9:E490: No fold found} |
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]])
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feed('$<C-V>$')
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screen:expect([[
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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
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bbbbbbbbbb {17:c}^ |
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{1:~ }|*3
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{9:E490: No fold found} 1x2 |
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]])
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feed('I')
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screen:expect([[
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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
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bbbbbbbbbb ^c |
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{1:~ }|*3
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{9:E490: No fold found} |
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]])
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feed('<Esc>$v$')
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screen:expect([[
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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
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bbbbbbbbbb {17:c}^ |
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{1:~ }|*3
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{9:E490: No fold found} 2 |
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]])
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feed('s')
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screen:expect([[
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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
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bbbbbbbbbb ^ |
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{1:~ }|*3
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{9:E490: No fold found} |
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]])
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end)
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it('does not bleed match/extmark highlight into the filler before a wrapped word', function()
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local screen = Screen.new(60, 3)
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screen:add_extra_attr_ids({ [100] = { underline = true } })
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source([[
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set wrap linebreak
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call setline(1, '[license-commit]: https://github.com/neovim/neovim/commit/b17d9691a24099c9210289f16afb1a498a89d803')
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highlight TestUL gui=underline cterm=underline
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]])
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-- Highlight extends past the break point: must not bleed into the filler before the
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-- pushed-down word, whether applied via matchadd() (search_attr) or an extmark (decor_attr).
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local expected = [[
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^[license-commit]: {100:https://github.com/neovim/neovim/commit/} |
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{100:b17d9691a24099c9210289f16afb1a498a89d803} |
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]]
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command([[call matchadd('TestUL', 'https://.*$')]])
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screen:expect(expected)
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-- Confirm the highlight actually toggles off before re-checking via the extmark path below,
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-- so the second `expect(expected)` proves that path redraws correctly instead of coasting on
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-- leftover state from matchadd().
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command('call clearmatches()')
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screen:expect([[
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^[license-commit]: https://github.com/neovim/neovim/commit/ |
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b17d9691a24099c9210289f16afb1a498a89d803 |
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]])
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command([[call nvim_buf_add_highlight(0, -1, 'TestUL', 0, 18, -1)]])
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screen:expect(expected)
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end)
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it('extends a to-end-of-line syntax highlight through the filler', function()
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local screen = Screen.new(30, 5)
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screen:add_extra_attr_ids({ [100] = { reverse = true } })
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source([[
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set wrap linebreak
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call setline(1, 'section.heading:' . repeat(' ', 40) . 'END')
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syntax match TestBar /^.*$/
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highlight TestBar gui=reverse cterm=reverse
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]])
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-- Unlike the tests above: the filler here is real trailing padding covered by the same 'to end
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-- of line' match, so it must keep the highlight instead of going blank.
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screen:expect([[
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{100:^section. }|
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{100:heading: }|
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{100: END} |
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{1:~ }|
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]])
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end)
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it('extends a background highlight into the filler only with hl_eol', function()
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local screen = Screen.new(20, 5)
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screen:add_extra_attr_ids({ [100] = { background = Screen.colors.Red } })
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source([[
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set wrap linebreak
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call setline(1, 'word1.word2verylongwordthatpushesdown')
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highlight TestBg guibg=Red ctermbg=Red
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let g:ns = nvim_create_namespace('')
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]])
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-- 'hl_eol' covers cells with no text behind them, so the filler is covered too.
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command(
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'call nvim_buf_set_extmark(0, g:ns, 0, 0, '
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.. "{'end_row': 1, 'hl_group': 'TestBg', 'hl_eol': v:true})"
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)
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screen:expect([[
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{100:^word1. }|
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{100:word2verylongwordtha}|
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{100:tpushesdown }|
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{1:~ }|
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]])
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-- Without it the highlight decorates characters, so it stops where they do, just as an
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-- underline already does (see tests above).
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command('call nvim_buf_clear_namespace(0, -1, 0, -1)')
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command([[call nvim_buf_add_highlight(0, -1, 'TestBg', 0, 0, -1)]])
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screen:expect([[
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{100:^word1.} |
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{100:word2verylongwordtha}|
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{100:tpushesdown} |
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{1:~ }|
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]])
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end)
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end)
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