Adding upstream version 2:9.1.0016.upstream/2%9.1.0016

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1090 insertions, 0 deletions

diff --git a/src/testdir/test_breakindent.vim b/src/testdir/test_breakindent.vim
new file mode 100644
index 0000000..ee05548
--- /dev/null
+++ b/src/testdir/test_breakindent.vim
@@ -0,0 +1,1090 @@
+" Test for breakindent
+"
+" Note: if you get strange failures when adding new tests, it might be that
+" while the test is run, the breakindent caching gets in its way.
+" It helps to change the tabstop setting and force a redraw (e.g. see
+" Test_breakindent08())
+source check.vim
+CheckOption breakindent
+
+source view_util.vim
+source screendump.vim
+
+func SetUp()
+  let s:input ="\tabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP"
+endfunc
+
+func s:screen_lines(lnum, width) abort
+  return ScreenLines([a:lnum, a:lnum + 2], a:width)
+endfunc
+
+func s:screen_lines2(lnums, lnume, width) abort
+  return ScreenLines([a:lnums, a:lnume], a:width)
+endfunc
+
+func s:compare_lines(expect, actual)
+  call assert_equal(join(a:expect, "\n"), join(a:actual, "\n"))
+endfunc
+
+func s:test_windows(...)
+  call NewWindow(10, 20)
+  setl ts=4 sw=4 sts=4 breakindent
+  put =s:input
+  exe get(a:000, 0, '')
+endfunc
+
+func s:close_windows(...)
+  call CloseWindow()
+  exe get(a:000, 0, '')
+endfunc
+
+func 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()
+endfunc
+
+func Test_breakindent01_vartabs()
+  " like 01 but with vartabs feature
+  CheckFeature vartabs
+  call s:test_windows('setl briopt=min:0 vts=4')
+  let lines = s:screen_lines(line('.'),8)
+  let expect = [
+	\ "    abcd",
+	\ "    qrst",
+	\ "    GHIJ",
+	\ ]
+  call s:compare_lines(expect, lines)
+  call s:close_windows('set vts&')
+endfunc
+
+func Test_breakindent02()
+  " simple breakindent test with showbreak set
+  set sbr=>>
+  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=')
+endfunc
+
+func Test_breakindent02_vartabs()
+  CheckFeature vartabs
+  " simple breakindent test with showbreak set
+  call s:test_windows('setl briopt=min:0 sbr=>> vts=4')
+  let lines = s:screen_lines(line('.'), 8)
+  let expect = [
+	\ "    abcd",
+	\ "    >>qr",
+	\ "    >>EF",
+	\ ]
+  call s:compare_lines(expect, lines)
+  call s:close_windows('set sbr= vts&')
+endfunc
+
+func 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=')
+endfunc
+
+func Test_breakindent03_vartabs()
+  " simple breakindent test with showbreak set and briopt including sbr
+  CheckFeature vartabs
+  call s:test_windows('setl briopt=sbr,min:0 sbr=++ vts=4')
+  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= vts&')
+endfunc
+
+func Test_breakindent04()
+  " breakindent set with min width 18
+  set sbr=<<<
+  call s:test_windows('setl sbr=NONE 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=')
+  set sbr=
+endfunc
+
+func Test_breakindent04_vartabs()
+  " breakindent set with min width 18
+  CheckFeature vartabs
+  call s:test_windows('setl sbr= briopt=min:18 vts=4')
+  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= vts&')
+endfunc
+
+func 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()
+endfunc
+
+func Test_breakindent05_vartabs()
+  " breakindent set and shift by 2
+  CheckFeature vartabs
+  call s:test_windows('setl briopt=shift:2,min:0 vts=4')
+  let lines = s:screen_lines(line('.'),8)
+  let expect = [
+	\ "    abcd",
+	\ "      qr",
+	\ "      EF",
+	\ ]
+  call s:compare_lines(expect, lines)
+  call s:close_windows('set vts&')
+endfunc
+
+func 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()
+endfunc
+
+func Test_breakindent06_vartabs()
+  " breakindent set and shift by -1
+  CheckFeature vartabs
+  call s:test_windows('setl briopt=shift:-1,min:0 vts=4')
+  let lines = s:screen_lines(line('.'),8)
+  let expect = [
+	\ "    abcd",
+	\ "   qrstu",
+	\ "   HIJKL",
+	\ ]
+  call s:compare_lines(expect, lines)
+  call s:close_windows('set vts&')
+endfunc
+
+func 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')
+endfunc
+
+func Test_breakindent07_vartabs()
+  CheckFeature vartabs
+  " 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 vts=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= cpo-=n vts&')
+endfunc
+
+func 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=')
+endfunc
+
+func Test_breakindent07a_vartabs()
+  CheckFeature vartabs
+  " 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 vts=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= vts&')
+endfunc
+
+func 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')
+endfunc
+
+func Test_breakindent08_vartabs()
+  CheckFeature vartabs
+  " 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 vts=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 vts&')
+endfunc
+
+func 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=')
+endfunc
+
+func Test_breakindent08a_vartabs()
+  CheckFeature vartabs
+  " 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 vts=4')
+  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= vts&')
+endfunc
+
+func 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=')
+endfunc
+
+func Test_breakindent09_vartabs()
+  CheckFeature vartabs
+  " 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 vts=4')
+  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= vts&')
+endfunc
+
+func 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')
+endfunc
+
+func Test_breakindent10_vartabs()
+  CheckFeature vartabs
+  " breakindent set, Number set sbr=~
+  call s:test_windows('setl cpo+=n sbr=~ nu nuw=4 nolist briopt=sbr,min:0 vts=4')
+  " 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 vts&')
+endfunc
+
+func 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=')
+  call assert_equal(4, strdisplaywidth("\t", 4))
+endfunc
+
+func Test_breakindent11_vartabs()
+  CheckFeature vartabs
+  " test strdisplaywidth()
+  call s:test_windows('setl cpo-=n sbr=>> nu nuw=4 nolist briopt= ts=4 vts=4')
+  let text = getline(2)
+  let width = strlen(text[1:]) + 2->indent() + strlen(&sbr) * 3 " text wraps 3 times
+  call assert_equal(width, text->strdisplaywidth())
+  call s:close_windows('set sbr= vts&')
+endfunc
+
+func 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=')
+endfunc
+
+func Test_breakindent12_vartabs()
+  CheckFeature vartabs
+  " 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:>- vts=4')
+  let lines = s:screen_lines(2,16)
+  let expect = [
+	\ " 2 >--->--->--->",
+	\ "          ---{  ",
+	\ "~               ",
+	\ ]
+  call s:compare_lines(expect, lines)
+  call s:close_windows('set nuw=4 listchars= vts&')
+endfunc
+
+func 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()
+endfunc
+
+func Test_breakindent13_vartabs()
+  CheckFeature vartabs
+  let s:input = ""
+  call s:test_windows('setl breakindent briopt=min:10 ts=8 vts=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('set vts&')
+endfunc
+
+func 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()
+endfunc
+
+func Test_breakindent14_vartabs()
+  CheckFeature vartabs
+  let s:input = ""
+  call s:test_windows('setl breakindent briopt= ts=8 vts=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('set vts&')
+endfunc
+
+func 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()
+endfunc
+
+func Test_breakindent15_vartabs()
+  CheckFeature vartabs
+  let s:input = ""
+  call s:test_windows('setl breakindent briopt= ts=8 sw=8 vts=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('set vts&')
+endfunc
+
+func Test_breakindent16()
+  " Check that overlong lines are indented correctly.
+  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 = [
+	\ "<<< 789012",
+	\ "    345678",
+	\ "    901234",
+	\ ]
+  call s:compare_lines(expect, lines)
+  let lines = s:screen_lines(4,10)
+  let expect = [
+	\ "    567890",
+	\ "    123456",
+	\ "    7890  ",
+	\ ]
+  call s:compare_lines(expect, lines)
+  call s:close_windows()
+endfunc
+
+func Test_breakindent16_vartabs()
+  CheckFeature vartabs
+  " Check that overlong lines are indented correctly.
+  let s:input = ""
+  call s:test_windows('setl breakindent briopt=min:0 ts=4 vts=4')
+  call setline(1, "\t".repeat("1234567890", 10))
+  resize 6
+  norm! 1gg$
+  redraw!
+  let lines = s:screen_lines(1,10)
+  let expect = [
+	\ "<<< 789012",
+	\ "    345678",
+	\ "    901234",
+	\ ]
+  call s:compare_lines(expect, lines)
+  let lines = s:screen_lines(4,10)
+  let expect = [
+	\ "    567890",
+	\ "    123456",
+	\ "    7890  ",
+	\ ]
+  call s:compare_lines(expect, lines)
+  call s:close_windows('set vts&')
+endfunc
+
+func Test_breakindent17_vartabs()
+  CheckFeature vartabs
+  let s:input = ""
+  call s:test_windows('setl breakindent list listchars=tab:<-> showbreak=+++')
+  call setline(1, "\t" . repeat('a', 63))
+  vert resize 30
+  norm! 1gg$
+  redraw!
+  let lines = s:screen_lines(1, 30)
+  let expect = [
+	\ "<-->aaaaaaaaaaaaaaaaaaaaaaaaaa",
+	\ "    +++aaaaaaaaaaaaaaaaaaaaaaa",
+	\ "    +++aaaaaaaaaaaaaa         ",
+	\ ]
+  call s:compare_lines(expect, lines)
+  call s:close_windows('set breakindent& list& listchars& showbreak&')
+endfunc
+
+func Test_breakindent18_vartabs()
+  CheckFeature vartabs
+  let s:input = ""
+  call s:test_windows('setl breakindent list listchars=tab:<->')
+  call setline(1, "\t" . repeat('a', 63))
+  vert resize 30
+  norm! 1gg$
+  redraw!
+  let lines = s:screen_lines(1, 30)
+  let expect = [
+	\ "<-->aaaaaaaaaaaaaaaaaaaaaaaaaa",
+	\ "    aaaaaaaaaaaaaaaaaaaaaaaaaa",
+	\ "    aaaaaaaaaaa               ",
+	\ ]
+  call s:compare_lines(expect, lines)
+  call s:close_windows('set breakindent& list& listchars&')
+endfunc
+
+func Test_breakindent19_sbr_nextpage()
+  let s:input = ""
+  call s:test_windows('setl breakindent briopt=shift:2,sbr,min:18 sbr=>')
+  call setline(1, repeat('a', 200))
+  norm! 1gg
+  redraw!
+  let lines = s:screen_lines(1, 20)
+  let expect = [
+	\ "aaaaaaaaaaaaaaaaaaaa",
+	\ "> aaaaaaaaaaaaaaaaaa",
+	\ "> aaaaaaaaaaaaaaaaaa",
+	\ ]
+  call s:compare_lines(expect, lines)
+  " Scroll down one screen line
+  setl scrolloff=5
+  norm! 5gj
+  let lines = s:screen_lines(1, 20)
+  let expect = [
+	\ "aaaaaaaaaaaaaaaaaaaa",
+	\ "> aaaaaaaaaaaaaaaaaa",
+	\ "> aaaaaaaaaaaaaaaaaa",
+	\ ]
+  call s:compare_lines(expect, lines)
+  redraw!
+  " moving the cursor doesn't change the text offset
+  norm! l
+  redraw!
+  let lines = s:screen_lines(1, 20)
+  call s:compare_lines(expect, lines)
+
+  setl breakindent briopt=min:18 sbr=>
+  norm! 5gj
+  let lines = s:screen_lines(1, 20)
+  let expect = [
+	\ ">aaaaaaaaaaaaaaaaaaa",
+	\ ">aaaaaaaaaaaaaaaaaaa",
+	\ ">aaaaaaaaaaaaaaaaaaa",
+	\ ]
+  call s:compare_lines(expect, lines)
+  call s:close_windows('set breakindent& briopt& sbr&')
+endfunc
+
+func Test_breakindent20_cpo_n_nextpage()
+  let s:input = ""
+  call s:test_windows('setl breakindent briopt=min:14 cpo+=n number')
+  call setline(1, repeat('abcdefghijklmnopqrst', 10))
+  norm! 1gg
+  redraw!
+  let lines = s:screen_lines(1, 20)
+  let expect = [
+	\ "  1 abcdefghijklmnop",
+	\ "    qrstabcdefghijkl",
+	\ "    mnopqrstabcdefgh",
+	\ ]
+  call s:compare_lines(expect, lines)
+  " Scroll down one screen line
+  setl scrolloff=5
+  norm! 6gj
+  redraw!
+  let lines = s:screen_lines(1, 20)
+  let expect = [
+	\ "<<< qrstabcdefghijkl",
+	\ "    mnopqrstabcdefgh",
+	\ "    ijklmnopqrstabcd",
+	\ ]
+  call s:compare_lines(expect, lines)
+
+  setl briopt+=shift:2
+  norm! 1gg
+  let lines = s:screen_lines(1, 20)
+  let expect = [
+	\ "  1 abcdefghijklmnop",
+	\ "      qrstabcdefghij",
+	\ "      klmnopqrstabcd",
+	\ ]
+  call s:compare_lines(expect, lines)
+  " Scroll down one screen line
+  norm! 6gj
+  let lines = s:screen_lines(1, 20)
+  let expect = [
+	\ "<<<   qrstabcdefghij",
+	\ "      klmnopqrstabcd",
+	\ "      efghijklmnopqr",
+	\ ]
+  call s:compare_lines(expect, lines)
+
+  call s:close_windows('set breakindent& briopt& cpo& number&')
+endfunc
+
+func Test_breakindent20_list()
+  call s:test_windows('setl breakindent breakindentopt= linebreak')
+  " default:
+  call setline(1, ['  1.  Congress shall make no law',
+        \ '  2.) Congress shall make no law',
+        \ '  3.] Congress shall make no law'])
+  norm! 1gg
+  redraw!
+  let lines = s:screen_lines2(1, 6, 20)
+  let expect = [
+	\ "  1.  Congress      ",
+	\ "shall make no law   ",
+	\ "  2.) Congress      ",
+	\ "shall make no law   ",
+	\ "  3.] Congress      ",
+	\ "shall make no law   ",
+	\ ]
+  call s:compare_lines(expect, lines)
+  " set minimum indent
+  setl briopt=min:5
+  redraw!
+  let lines = s:screen_lines2(1, 6, 20)
+  let expect = [
+	\ "  1.  Congress      ",
+	\ "  shall make no law ",
+	\ "  2.) Congress      ",
+	\ "  shall make no law ",
+	\ "  3.] Congress      ",
+	\ "  shall make no law ",
+	\ ]
+  call s:compare_lines(expect, lines)
+  " set additional handing indent
+  setl briopt+=list:4
+  redraw!
+  let expect = [
+	\ "  1.  Congress      ",
+	\ "      shall make no ",
+	\ "      law           ",
+	\ "  2.) Congress      ",
+	\ "      shall make no ",
+	\ "      law           ",
+	\ "  3.] Congress      ",
+	\ "      shall make no ",
+	\ "      law           ",
+	\ ]
+  let lines = s:screen_lines2(1, 9, 20)
+  call s:compare_lines(expect, lines)
+
+  " reset linebreak option
+  " Note: it indents by one additional
+  " space, because of the leading space.
+  setl linebreak&vim list listchars=eol:$,space:_
+  redraw!
+  let expect = [
+	\ "__1.__Congress_shall",
+	\ "      _make_no_law$ ",
+	\ "__2.)_Congress_shall",
+	\ "      _make_no_law$ ",
+	\ "__3.]_Congress_shall",
+	\ "      _make_no_law$ ",
+	\ ]
+  let lines = s:screen_lines2(1, 6, 20)
+  call s:compare_lines(expect, lines)
+
+  " check formatlistpat indent
+  setl briopt=min:5,list:-1
+  setl linebreak list&vim listchars&vim
+  let &l:flp = '^\s*\d\+\.\?[\]:)}\t ]\s*'
+  redraw!
+  let expect = [
+	\ "  1.  Congress      ",
+	\ "      shall make no ",
+	\ "      law           ",
+	\ "  2.) Congress      ",
+	\ "      shall make no ",
+	\ "      law           ",
+	\ "  3.] Congress      ",
+	\ "      shall make no ",
+	\ "      law           ",
+	\ ]
+  let lines = s:screen_lines2(1, 9, 20)
+  call s:compare_lines(expect, lines)
+  " check formatlistpat indent with different list levels
+  let &l:flp = '^\s*\*\+\s\+'
+  %delete _
+  call setline(1, ['* Congress shall make no law',
+        \ '*** Congress shall make no law',
+        \ '**** Congress shall make no law'])
+  norm! 1gg
+  redraw!
+  let expect = [
+	\ "* Congress shall    ",
+	\ "  make no law       ",
+	\ "*** Congress shall  ",
+	\ "    make no law     ",
+	\ "**** Congress shall ",
+	\ "     make no law    ",
+	\ ]
+  let lines = s:screen_lines2(1, 6, 20)
+  call s:compare_lines(expect, lines)
+
+  " check formatlistpat indent with different list level
+  " showbreak and sbr
+  setl briopt=min:5,sbr,list:-1
+  setl showbreak=>
+  redraw!
+  let expect = [
+	\ "* Congress shall    ",
+	\ "> make no law       ",
+	\ "*** Congress shall  ",
+	\ ">   make no law     ",
+	\ "**** Congress shall ",
+	\ ">    make no law    ",
+	\ ]
+  let lines = s:screen_lines2(1, 6, 20)
+  call s:compare_lines(expect, lines)
+
+  " check formatlistpat indent with different list level
+  " showbreak sbr and shift
+  setl briopt=min:5,sbr,list:-1,shift:2
+  setl showbreak=>
+  redraw!
+  let expect = [
+	\ "* Congress shall    ",
+	\ ">   make no law     ",
+	\ "*** Congress shall  ",
+	\ ">     make no law   ",
+	\ "**** Congress shall ",
+	\ ">      make no law  ",
+	\ ]
+  let lines = s:screen_lines2(1, 6, 20)
+  call s:compare_lines(expect, lines)
+
+  " check breakindent works if breakindentopt=list:-1
+  " for a non list content
+  %delete _
+  call setline(1, ['  Congress shall make no law',
+        \ '    Congress shall make no law',
+        \ '     Congress shall make no law'])
+  norm! 1gg
+  setl briopt=min:5,list:-1
+  setl showbreak=
+  redraw!
+  let expect = [
+	\ "  Congress shall    ",
+	\ "  make no law       ",
+	\ "    Congress shall  ",
+	\ "    make no law     ",
+	\ "     Congress shall ",
+	\ "     make no law    ",
+	\ ]
+  let lines = s:screen_lines2(1, 6, 20)
+  call s:compare_lines(expect, lines)
+
+  call s:close_windows('set breakindent& briopt& linebreak& list& listchars& showbreak&')
+endfunc
+
+" The following used to crash Vim. This is fixed by 8.2.3391.
+" This is a regression introduced by 8.2.2903.
+func Test_window_resize_with_linebreak()
+  new
+  53vnew
+  setl linebreak
+  setl showbreak=>>
+  setl breakindent
+  setl breakindentopt=shift:4
+  call setline(1, "\naaaaaaaaa\n\na\naaaaa\n¯aaaaaaaaaa\naaaaaaaaaaaa\naaa\n\"a:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa - aaaaaaaa\"\naaaaaaaa\n\"a")
+  redraw!
+  call assert_equal(["    >>aa^@\"a: "], ScreenLines(2, 14))
+  vertical resize 52
+  redraw!
+  call assert_equal(["    >>aaa^@\"a:"], ScreenLines(2, 14))
+  set linebreak& showbreak& breakindent& breakindentopt&
+  %bw!
+endfunc
+
+func Test_cursor_position_with_showbreak()
+  CheckScreendump
+
+  let lines =<< trim END
+      vim9script
+      &signcolumn = 'yes'
+      &showbreak = '++'
+      &breakindentopt = 'shift:2'
+      var leftcol: number = win_getid()->getwininfo()->get(0, {})->get('textoff')
+      repeat('x', &columns - leftcol - 1)->setline(1)
+      'second line'->setline(2)
+  END
+  call writefile(lines, 'XscriptShowbreak', 'D')
+  let buf = RunVimInTerminal('-S XscriptShowbreak', #{rows: 6})
+
+  call term_sendkeys(buf, "AX")
+  call VerifyScreenDump(buf, 'Test_cursor_position_with_showbreak_1', {})
+  " No line wraps, so changing 'showbreak' should lead to the same screen.
+  call term_sendkeys(buf, "\<C-\>\<C-O>:setlocal showbreak=+\<CR>")
+  call VerifyScreenDump(buf, 'Test_cursor_position_with_showbreak_1', {})
+  " No line wraps, so setting 'breakindent' should lead to the same screen.
+  call term_sendkeys(buf, "\<C-\>\<C-O>:setlocal breakindent\<CR>")
+  call VerifyScreenDump(buf, 'Test_cursor_position_with_showbreak_1', {})
+  " The first line now wraps because of "eol" in 'listchars'.
+  call term_sendkeys(buf, "\<C-\>\<C-O>:setlocal list\<CR>")
+  call VerifyScreenDump(buf, 'Test_cursor_position_with_showbreak_2', {})
+  call term_sendkeys(buf, "\<C-\>\<C-O>:setlocal nobreakindent\<CR>")
+  call VerifyScreenDump(buf, 'Test_cursor_position_with_showbreak_3', {})
+
+  call StopVimInTerminal(buf)
+endfunc
+
+func Test_visual_starts_before_skipcol()
+  CheckScreendump
+
+  let lines =<< trim END
+    1new
+    setlocal breakindent
+    call setline(1, "\t" .. join(range(100)))
+  END
+  call writefile(lines, 'XvisualStartsBeforeSkipcol', 'D')
+  let buf = RunVimInTerminal('-S XvisualStartsBeforeSkipcol', #{rows: 6})
+
+  call term_sendkeys(buf, "v$")
+  call VerifyScreenDump(buf, 'Test_visual_starts_before_skipcol_1', {})
+  call term_sendkeys(buf, "\<Esc>:setlocal showbreak=+++\<CR>gv")
+  call VerifyScreenDump(buf, 'Test_visual_starts_before_skipcol_2', {})
+  call term_sendkeys(buf, "\<Esc>:setlocal breakindentopt+=sbr\<CR>gv")
+  call VerifyScreenDump(buf, 'Test_visual_starts_before_skipcol_3', {})
+  call term_sendkeys(buf, "\<Esc>:setlocal nobreakindent\<CR>gv")
+  call VerifyScreenDump(buf, 'Test_visual_starts_before_skipcol_4', {})
+
+  call StopVimInTerminal(buf)
+endfunc
+
+func Test_no_spurious_match()
+  let s:input = printf('- y %s y %s', repeat('x', 50), repeat('x', 50))
+  call s:test_windows('setl breakindent breakindentopt=list:-1 formatlistpat=^- hls')
+  let @/ = '\%>3v[y]'
+  redraw!
+  call searchcount().total->assert_equal(1)
+
+  " cleanup
+  set hls&vim
+  bwipeout!
+endfunc
+
+func Test_no_extra_indent()
+  call s:test_windows('setl breakindent breakindentopt=list:-1,min:10')
+  %d
+  let &l:formatlistpat='^\s*\d\+\.\s\+'
+  let text = 'word '
+  let len = text->strcharlen()
+  let line1 = text->repeat((winwidth(0) / len) * 2)
+  let line2 = repeat(' ', 2) .. '1. ' .. line1
+  call setline(1, [line2])
+  redraw!
+  " 1) matches formatlist pattern, so indent
+  let expect = [
+  \ "  1. word word word ",
+  \ "     word word word ",
+  \ "     word word      ",
+  \ "~                   ",
+  \ ]
+  let lines = s:screen_lines2(1, 4, 20)
+  call s:compare_lines(expect, lines)
+  " 2) change formatlist pattern
+  " -> indent adjusted
+  let &l:formatlistpat='^\s*\d\+\.'
+  let expect = [
+  \ "  1. word word word ",
+  \ "    word word word  ",
+  \ "    word word       ",
+  \ "~                   ",
+  \ ]
+  let lines = s:screen_lines2(1, 4, 20)
+  " 3) no local formatlist pattern,
+  " so use global one -> indent
+  let g_flp = &g:flp
+  let &g:formatlistpat='^\s*\d\+\.\s\+'
+  let &l:formatlistpat=''
+  let expect = [
+  \ "  1. word word word ",
+  \ "     word word word ",
+  \ "     word word      ",
+  \ "~                   ",
+  \ ]
+  let lines = s:screen_lines2(1, 4, 20)
+  call s:compare_lines(expect, lines)
+  let &g:flp = g_flp
+  let &l:formatlistpat='^\s*\d\+\.'
+  " 4) add something in front, no additional indent
+  norm! gg0
+  exe ":norm! 5iword \<esc>"
+  redraw!
+  let expect = [
+  \ "word word word word ",
+  \ "word   1. word word ",
+  \ "word word word word ",
+  \ "word word           ",
+  \ "~                   ",
+  \ ]
+  let lines = s:screen_lines2(1, 5, 20)
+  call s:compare_lines(expect, lines)
+  bwipeout!
+endfunc
+
+func Test_breakindent_column()
+  call s:test_windows('setl breakindent breakindentopt=column:10')
+  redraw!
+  " 1) default: does not indent, too wide :(
+  let expect = [
+  \ "                    ",
+  \ "    abcdefghijklmnop",
+  \ "qrstuvwxyzABCDEFGHIJ",
+  \ "KLMNOP              "
+  \ ]
+  let lines = s:screen_lines2(1, 4, 20)
+  call s:compare_lines(expect, lines)
+  " 2) lower min value, so that breakindent works
+  setl breakindentopt+=min:5
+  redraw!
+  let expect = [
+  \ "                    ",
+  \ "    abcdefghijklmnop",
+  \ "          qrstuvwxyz",
+  \ "          ABCDEFGHIJ",
+  \ "          KLMNOP    "
+  \ ]
+  let lines = s:screen_lines2(1, 5, 20)
+  " 3) set shift option -> no influence
+  setl breakindentopt+=shift:5
+  redraw!
+  let expect = [
+  \ "                    ",
+  \ "    abcdefghijklmnop",
+  \ "          qrstuvwxyz",
+  \ "          ABCDEFGHIJ",
+  \ "          KLMNOP    "
+  \ ]
+  let lines = s:screen_lines2(1, 5, 20)
+  call s:compare_lines(expect, lines)
+  " 4) add showbreak value
+  setl showbreak=++
+  redraw!
+  let expect = [
+  \ "                    ",
+  \ "    abcdefghijklmnop",
+  \ "          ++qrstuvwx",
+  \ "          ++yzABCDEF",
+  \ "          ++GHIJKLMN",
+  \ "          ++OP      "
+  \ ]
+  let lines = s:screen_lines2(1, 6, 20)
+  call s:compare_lines(expect, lines)
+  bwipeout!
+endfunc
+
+func Test_linebreak_list()
+  " This was setting wlv.c_extra to NUL while wlv.p_extra is NULL
+  filetype plugin on
+  syntax enable
+  edit! $VIMRUNTIME/doc/index.txt
+  /v_P
+
+  setlocal list
+  setlocal listchars=tab:>-
+  setlocal linebreak
+  setlocal nowrap
+  setlocal filetype=help
+  redraw!
+
+  bwipe!
+endfunc
+
+
+" vim: shiftwidth=2 sts=2 expandtab