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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 tabstop setting and force a redraw (e.g. see
" Test_breakindent08())
if !exists('+breakindent')
finish
endif
source view_util.vim
let s:input ="\tabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP"
function s:screen_lines(lnum, width) abort
return ScreenLines([a:lnum, a:lnum + 2], a:width)
endfunction
function! s:compare_lines(expect, actual)
call assert_equal(join(a:expect, "\n"), join(a:actual, "\n"))
endfunction
function s:test_windows(...)
call NewWindow(10, 20)
setl ts=4 sw=4 sts=4 breakindent
put =s:input
exe get(a:000, 0, '')
endfunction
function s:close_windows(...)
call CloseWindow()
exe get(a:000, 0, '')
endfunction
function Test_breakindent01()
" simple breakindent test
call s:test_windows('setl briopt=min:0')
let lines=s:screen_lines(line('.'),8)
let expect=[
\ " abcd",
\ " qrst",
\ " GHIJ",
\ ]
call s:compare_lines(expect, lines)
call s:close_windows()
endfunction
function Test_breakindent02()
" simple breakindent test with showbreak set
call s:test_windows('setl briopt=min:0 sbr=>>')
let lines=s:screen_lines(line('.'),8)
let expect=[
\ " abcd",
\ " >>qr",
\ " >>EF",
\ ]
call s:compare_lines(expect, lines)
call s:close_windows('set sbr=')
endfunction
function Test_breakindent03()
" simple breakindent test with showbreak set and briopt including sbr
call s:test_windows('setl briopt=sbr,min:0 sbr=++')
let lines=s:screen_lines(line('.'),8)
let expect=[
\ " abcd",
\ "++ qrst",
\ "++ GHIJ",
\ ]
call s:compare_lines(expect, lines)
" clean up
call s:close_windows('set sbr=')
endfunction
function Test_breakindent04()
" breakindent set with min width 18
call s:test_windows('setl sbr= briopt=min:18')
let lines=s:screen_lines(line('.'),8)
let expect=[
\ " abcd",
\ " qrstuv",
\ " IJKLMN",
\ ]
call s:compare_lines(expect, lines)
" clean up
call s:close_windows('set sbr=')
endfunction
function Test_breakindent05()
" breakindent set and shift by 2
call s:test_windows('setl briopt=shift:2,min:0')
let lines=s:screen_lines(line('.'),8)
let expect=[
\ " abcd",
\ " qr",
\ " EF",
\ ]
call s:compare_lines(expect, lines)
call s:close_windows()
endfunction
function Test_breakindent06()
" breakindent set and shift by -1
call s:test_windows('setl briopt=shift:-1,min:0')
let lines=s:screen_lines(line('.'),8)
let expect=[
\ " abcd",
\ " qrstu",
\ " HIJKL",
\ ]
call s:compare_lines(expect, lines)
call s:close_windows()
endfunction
function Test_breakindent07()
" breakindent set and shift by 1, Number set sbr=? and briopt:sbr
call s:test_windows('setl briopt=shift:1,sbr,min:0 nu sbr=? nuw=4 cpo+=n')
let lines=s:screen_lines(line('.'),10)
let expect=[
\ " 2 ab",
\ "? m",
\ "? x",
\ ]
call s:compare_lines(expect, lines)
" 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:test_windows('setl briopt=shift:1,sbr,min:0 nu sbr=? nuw=4')
let lines=s:screen_lines(line('.'),10)
let expect=[
\ " 2 ab",
\ " ? m",
\ " ? x",
\ ]
call s:compare_lines(expect, lines)
" 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:test_windows('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 lines=s:screen_lines(line('.'),10)
let expect=[
\ " 2 ^Iabcd",
\ "# opq",
\ "# BCD",
\ ]
call s:compare_lines(expect, lines)
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:test_windows('setl briopt=shift:1,sbr,min:0 nu nuw=4 sbr=# list')
let lines=s:screen_lines(line('.'),10)
let expect=[
\ " 2 ^Iabcd",
\ " # opq",
\ " # BCD",
\ ]
call s:compare_lines(expect, lines)
call s:close_windows('set sbr=')
endfunction
function Test_breakindent09()
" breakindent set and shift by 1, Number and list set sbr=#
call s:test_windows('setl briopt=shift:1,min:0 nu nuw=4 sbr=# list')
let lines=s:screen_lines(line('.'),10)
let expect=[
\ " 2 ^Iabcd",
\ " #op",
\ " #AB",
\ ]
call s:compare_lines(expect, lines)
call s:close_windows('set sbr=')
endfunction
function Test_breakindent10()
" breakindent set, Number set sbr=~
call s:test_windows('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 lines=s:screen_lines(line('.'),10)
let expect=[
\ " 2 ab",
\ "~ mn",
\ "~ yz",
\ ]
call s:compare_lines(expect, lines)
call s:close_windows('set sbr= cpo-=n')
endfunction
function Test_breakindent11()
" test strdisplaywidth()
call s:test_windows('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:test_windows('setl breakindent linebreak briopt=min:10 nu numberwidth=3 ts=4 list listchars=tab:>-')
let lines=s:screen_lines(2,16)
let expect=[
\ " 2 >--->--->--->",
\ " ---{ ",
\ "~ ",
\ ]
call s:compare_lines(expect, lines)
call s:close_windows('set nuw=4 listchars=')
endfunction
function Test_breakindent13()
let s:input=""
call s:test_windows('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:test_windows('setl breakindent briopt= ts=8')
vert resize 30
norm! 3a1234567890
norm! a abcde
exec "norm! 0\<C-V>tex"
let lines=s:screen_lines(line('.'),8)
let expect=[
\ "e ",
\ "~ ",
\ "~ ",
\ ]
call s:compare_lines(expect, lines)
call s:close_windows()
endfunction
function Test_breakindent15()
let s:input=""
call s:test_windows('setl breakindent briopt= ts=8 sw=8')
vert resize 30
norm! 4a1234567890
exe "normal! >>\<C-V>3f0x"
let lines=s:screen_lines(line('.'),20)
let expect=[
\ " 1234567890 ",
\ "~ ",
\ "~ ",
\ ]
call s:compare_lines(expect, lines)
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:test_windows('setl breakindent briopt=min:0 ts=4')
call setline(1, "\t".repeat("1234567890", 10))
resize 6
norm! 1gg$
redraw!
let lines=s:screen_lines(1,10)
let expect=[
\ " 123456",
\ " 789012",
\ " 345678",
\ ]
call s:compare_lines(expect, lines)
let lines=s:screen_lines(4,10)
let expect=[
\ " 901234",
\ " 567890",
\ " 123456",
\ ]
call s:compare_lines(expect, lines)
call s:close_windows()
endfunction
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