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" Test for breakindent
"
" Note: if you get strange failures when adding new tests, it might be that
" while the test is run, the breakindent cacheing gets in its way.
" It helps to change the tabastop setting and force a redraw (e.g. see
" Test_breakindent08())
if !exists('+breakindent')
finish
endif
let s:input ="\tabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP"
function s:screenline(lnum, width) abort
" always get 4 screen lines
redraw!
let line = []
for j in range(3)
for c in range(1, a:width)
call add(line, nr2char(screenchar(a:lnum+j, c)))
endfor
call add(line, "\n")
endfor
return join(line, '')
endfunction
function s:testwindows(...)
10new
vsp
vert resize 20
setl ts=4 sw=4 sts=4 breakindent
put =s:input
if a:0
exe a:1
endif
endfunction
function s:close_windows(...)
bw!
if a:0
exe a:1
endif
unlet! g:line g:expect
endfunction
function Test_breakindent01()
" simple breakindent test
call s:testwindows('setl briopt=min:0')
let g:line=s:screenline(line('.'),8)
let g:expect=" abcd\n qrst\n GHIJ\n"
call assert_equal(g:expect, g:line)
call s:close_windows()
endfunction
function Test_breakindent02()
" simple breakindent test with showbreak set
call s:testwindows('setl briopt=min:0 sbr=>>')
let g:line=s:screenline(line('.'),8)
let g:expect=" abcd\n >>qr\n >>EF\n"
call assert_equal(g:expect, g:line)
call s:close_windows('set sbr=')
endfunction
function Test_breakindent03()
" simple breakindent test with showbreak set and briopt including sbr
call s:testwindows('setl briopt=sbr,min:0 sbr=++')
let g:line=s:screenline(line('.'),8)
let g:expect=" abcd\n++ qrst\n++ GHIJ\n"
call assert_equal(g:expect, g:line)
" clean up
call s:close_windows('set sbr=')
endfunction
function Test_breakindent04()
" breakindent set with min width 18
call s:testwindows('setl sbr= briopt=min:18')
let g:line=s:screenline(line('.'),8)
let g:expect=" abcd\n qrstuv\n IJKLMN\n"
call assert_equal(g:expect, g:line)
" clean up
call s:close_windows('set sbr=')
endfunction
function Test_breakindent05()
" breakindent set and shift by 2
call s:testwindows('setl briopt=shift:2,min:0')
let g:line=s:screenline(line('.'),8)
let g:expect=" abcd\n qr\n EF\n"
call assert_equal(g:expect, g:line)
call s:close_windows()
endfunction
function Test_breakindent06()
" breakindent set and shift by -1
call s:testwindows('setl briopt=shift:-1,min:0')
let g:line=s:screenline(line('.'),8)
let g:expect=" abcd\n qrstu\n HIJKL\n"
call assert_equal(g:expect, g:line)
call s:close_windows()
endfunction
function Test_breakindent07()
" breakindent set and shift by 1, Number set sbr=? and briopt:sbr
call s:testwindows('setl briopt=shift:1,sbr,min:0 nu sbr=? nuw=4 cpo+=n')
let g:line=s:screenline(line('.'),10)
let g:expect=" 2 ab\n? m\n? x\n"
call assert_equal(g:expect, g:line)
" clean up
call s:close_windows('set sbr= cpo-=n')
endfunction
function Test_breakindent07a()
" breakindent set and shift by 1, Number set sbr=? and briopt:sbr
call s:testwindows('setl briopt=shift:1,sbr,min:0 nu sbr=? nuw=4')
let g:line=s:screenline(line('.'),10)
let g:expect=" 2 ab\n ? m\n ? x\n"
call assert_equal(g:expect, g:line)
" clean up
call s:close_windows('set sbr=')
endfunction
function Test_breakindent08()
" breakindent set and shift by 1, Number and list set sbr=# and briopt:sbr
call s:testwindows('setl briopt=shift:1,sbr,min:0 nu nuw=4 sbr=# list cpo+=n ts=4')
" make sure, cache is invalidated!
set ts=8
redraw!
set ts=4
redraw!
let g:line=s:screenline(line('.'),10)
let g:expect=" 2 ^Iabcd\n# opq\n# BCD\n"
call assert_equal(g:expect, g:line)
call s:close_windows('set sbr= cpo-=n')
endfunction
function Test_breakindent08a()
" breakindent set and shift by 1, Number and list set sbr=# and briopt:sbr
call s:testwindows('setl briopt=shift:1,sbr,min:0 nu nuw=4 sbr=# list')
let g:line=s:screenline(line('.'),10)
let g:expect=" 2 ^Iabcd\n # opq\n # BCD\n"
call assert_equal(g:expect, g:line)
call s:close_windows('set sbr=')
endfunction
function Test_breakindent09()
" breakindent set and shift by 1, Number and list set sbr=#
call s:testwindows('setl briopt=shift:1,min:0 nu nuw=4 sbr=# list')
let g:line=s:screenline(line('.'),10)
let g:expect=" 2 ^Iabcd\n #op\n #AB\n"
call assert_equal(g:expect, g:line)
call s:close_windows('set sbr=')
endfunction
function Test_breakindent10()
" breakindent set, Number set sbr=~
call s:testwindows('setl cpo+=n sbr=~ nu nuw=4 nolist briopt=sbr,min:0')
" make sure, cache is invalidated!
set ts=8
redraw!
set ts=4
redraw!
let g:line=s:screenline(line('.'),10)
let g:expect=" 2 ab\n~ mn\n~ yz\n"
call assert_equal(g:expect, g:line)
call s:close_windows('set sbr= cpo-=n')
endfunction
function Test_breakindent11()
" test strdisplaywidth()
call s:testwindows('setl cpo-=n sbr=>> nu nuw=4 nolist briopt= ts=4')
let text=getline(2)
let width = strlen(text[1:])+indent(2)+strlen(&sbr)*3 " text wraps 3 times
call assert_equal(width, strdisplaywidth(text))
call s:close_windows('set sbr=')
endfunction
function Test_breakindent12()
" test breakindent with long indent
let s:input="\t\t\t\t\t{"
call s:testwindows('setl breakindent linebreak briopt=min:10 nu numberwidth=3 ts=4 list listchars=tab:>-')
let g:line=s:screenline(2,16)
let g:expect=" 2 >--->--->--->\n ---{ \n~ \n"
call assert_equal(g:expect, g:line)
call s:close_windows('set nuw=4 listchars=')
endfunction
function Test_breakindent13()
let s:input=""
call s:testwindows('setl breakindent briopt=min:10 ts=8')
vert resize 20
call setline(1, [" a\tb\tc\td\te", " z y x w v"])
1
norm! fbgj"ayl
2
norm! fygj"byl
call assert_equal('d', @a)
call assert_equal('w', @b)
call s:close_windows()
endfunction
function Test_breakindent14()
let s:input=""
call s:testwindows('setl breakindent briopt= ts=8')
vert resize 30
norm! 3a1234567890
norm! a abcde
exec "norm! 0\<C-V>tex"
let g:line=s:screenline(line('.'),8)
let g:expect="e \n~ \n~ \n"
call assert_equal(g:expect, g:line)
call s:close_windows()
endfunction
function Test_breakindent15()
let s:input=""
call s:testwindows('setl breakindent briopt= ts=8 sw=8')
vert resize 30
norm! 4a1234567890
exe "normal! >>\<C-V>3f0x"
let g:line=s:screenline(line('.'),20)
let g:expect=" 1234567890 \n~ \n~ \n"
call assert_equal(g:expect, g:line)
call s:close_windows()
endfunction
function Test_breakindent16()
" Check that overlong lines are indented correctly.
" TODO: currently it does not fail even when the bug is not fixed.
let s:input=""
call s:testwindows('setl breakindent briopt=min:0 ts=4')
call setline(1, "\t".repeat("1234567890", 10))
resize 6
norm! 1gg$
redraw!
let g:line=s:screenline(1,10)
let g:expect=" 123456\n 789012\n 345678\n"
call assert_equal(g:expect, g:line)
let g:line=s:screenline(4,10)
let g:expect=" 901234\n 567890\n 123456\n"
call assert_equal(g:expect, g:line)
call s:close_windows()
endfunction
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