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" Tests for 'listchars' display with 'list' and :list
source view_util.vim
func Test_listchars()
enew!
set ff=unix
set list
set listchars+=tab:>-,space:.,trail:<
call append(0, [
\ ' aa ',
\ ' bb ',
\ ' cccc ',
\ 'dd ee ',
\ ' '
\ ])
let expected = [
\ '>-------aa>-----$',
\ '..bb>---<<$',
\ '...cccc><$',
\ 'dd........ee<<>-$',
\ '<$'
\ ]
redraw!
for i in range(1, 5)
call cursor(i, 1)
call assert_equal([expected[i - 1]], ScreenLines(i, '$'->virtcol()))
endfor
set listchars-=trail:<
let expected = [
\ '>-------aa>-----$',
\ '..bb>---..$',
\ '...cccc>.$',
\ 'dd........ee..>-$',
\ '.$'
\ ]
redraw!
for i in range(1, 5)
call cursor(i, 1)
call assert_equal([expected[i - 1]], ScreenLines(i, virtcol('$')))
endfor
" tab with 3rd character.
set listchars-=tab:>-
set listchars+=tab:<=>,trail:-
let expected = [
\ '<======>aa<====>$',
\ '..bb<==>--$',
\ '...cccc>-$',
\ 'dd........ee--<>$',
\ '-$'
\ ]
redraw!
for i in range(1, 5)
call cursor(i, 1)
call assert_equal([expected[i - 1]], ScreenLines(i, virtcol('$')))
endfor
" tab with 3rd character and linebreak set
set listchars-=tab:<=>
set listchars+=tab:<·>
set linebreak
let expected = [
\ '<······>aa<····>$',
\ '..bb<··>--$',
\ '...cccc>-$',
\ 'dd........ee--<>$',
\ '-$'
\ ]
redraw!
for i in range(1, 5)
call cursor(i, 1)
call assert_equal([expected[i - 1]], ScreenLines(i, virtcol('$')))
endfor
set nolinebreak
set listchars-=tab:<·>
set listchars+=tab:<=>
set listchars-=trail:-
let expected = [
\ '<======>aa<====>$',
\ '..bb<==>..$',
\ '...cccc>.$',
\ 'dd........ee..<>$',
\ '.$'
\ ]
redraw!
for i in range(1, 5)
call cursor(i, 1)
call assert_equal([expected[i - 1]], ScreenLines(i, virtcol('$')))
endfor
set listchars-=tab:<=>
set listchars+=tab:>-
set listchars+=trail:<
set nolist
normal ggdG
call append(0, [
\ ' fff ',
\ ' gg ',
\ ' h ',
\ 'iii ',
\ ])
let l = split(execute("%list"), "\n")
call assert_equal([
\ '..fff>--<<$',
\ '>-------gg>-----$',
\ '.....h>-$',
\ 'iii<<<<><<$', '$'], l)
" test nbsp
normal ggdG
set listchars=nbsp:X,trail:Y
set list
" Non-breaking space
let nbsp = nr2char(0xa0)
call append(0, [ ">".nbsp."<" ])
let expected = '>X< '
redraw!
call cursor(1, 1)
call assert_equal([expected], ScreenLines(1, virtcol('$')))
set listchars=nbsp:X
redraw!
call cursor(1, 1)
call assert_equal([expected], ScreenLines(1, virtcol('$')))
" test extends
normal ggdG
set listchars=extends:Z
set nowrap
set nolist
call append(0, [ repeat('A', &columns + 1) ])
let expected = repeat('A', &columns)
redraw!
call cursor(1, 1)
call assert_equal([expected], ScreenLines(1, &columns))
set list
let expected = expected[:-2] . 'Z'
redraw!
call cursor(1, 1)
call assert_equal([expected], ScreenLines(1, &columns))
enew!
set listchars& ff&
endfunc
" Test that unicode listchars characters get properly inserted
func Test_listchars_unicode()
enew!
let oldencoding=&encoding
set encoding=utf-8
set ff=unix
set listchars=eol:⇔,space:␣,nbsp:≠,tab:←↔→
set list
let nbsp = nr2char(0xa0)
call append(0, [
\ "a\tb c".nbsp."d"
\ ])
let expected = [
\ 'a←↔↔↔↔↔→b␣c≠d⇔'
\ ]
redraw!
call cursor(1, 1)
call assert_equal(expected, ScreenLines(1, virtcol('$')))
let &encoding=oldencoding
enew!
set listchars& ff&
endfunction
" Tests that space characters following composing character won't get replaced
" by listchars.
func Test_listchars_composing()
enew!
let oldencoding=&encoding
set encoding=utf-8
set ff=unix
set list
set listchars=eol:$,space:_,nbsp:=
let nbsp1 = nr2char(0xa0)
let nbsp2 = nr2char(0x202f)
call append(0, [
\ " \u3099\t \u309A".nbsp1.nbsp1."\u0302".nbsp2.nbsp2."\u0302",
\ ])
let expected = [
\ "_ \u3099^I \u309A=".nbsp1."\u0302=".nbsp2."\u0302$"
\ ]
redraw!
call cursor(1, 1)
call assert_equal(expected, ScreenLines(1, virtcol('$')))
let &encoding=oldencoding
enew!
set listchars& ff&
endfunction
" vim: shiftwidth=2 sts=2 expandtab
|
