blob: 6af3fb0d83e0002fb912a8918fb47aa2844cc941 [file] [log] [blame] [edit]
" Tests for diff mode
source util/screendump.vim
func Test_diff_fold_sync()
enew!
let g:update_count = 0
au DiffUpdated * let g:update_count += 1
let l = range(50)
call setline(1, l)
diffthis
let winone = win_getid()
new
let l[25] = 'diff'
call setline(1, l)
diffthis
let wintwo = win_getid()
" line 15 is inside the closed fold
call assert_equal(19, foldclosedend(10))
call win_gotoid(winone)
call assert_equal(19, foldclosedend(10))
" open the fold
normal zv
call assert_equal(-1, foldclosedend(10))
" fold in other window must have opened too
call win_gotoid(wintwo)
call assert_equal(-1, foldclosedend(10))
" cursor position is in sync
normal 23G
call win_gotoid(winone)
call assert_equal(23, getcurpos()[1])
" depending on how redraw is done DiffUpdated may be triggered once or twice
call assert_inrange(1, 2, g:update_count)
au! DiffUpdated
windo diffoff
close!
set nomodified
endfunc
func Test_vert_split()
set diffopt=filler
call Common_vert_split()
set diffopt&
endfunc
" Test for diff folding redraw after last diff is resolved
func Test_diff_fold_redraw()
" Set up two files with a minimal case.
call writefile(['Paragraph 1', '', 'Paragraph 2', '', 'Paragraph 3'], 'Xfile1')
call writefile(['Paragraph 1', '', 'Paragraph 3'], 'Xfile2')
" Open in diff mode.
edit Xfile1
vert diffsplit Xfile2
" Go to the diff and apply :diffput to copy Paragraph 2 to Xfile2.
wincmd l
3
diffput
" Check that the folds in both windows are closed and extend from the first
" line of the buffer to the last line of the buffer.
call assert_equal(1, foldclosed(line("$")))
wincmd h
call assert_equal(1, foldclosed(line("$")))
" Clean up.
bwipe!
bwipe!
call delete('Xfile1')
call delete('Xfile2')
endfunc
func Test_vert_split_internal()
set diffopt=internal,filler
call Common_vert_split()
set diffopt&
endfunc
func Common_vert_split()
" Disable the title to avoid xterm keeping the wrong one.
set notitle noicon
new
let l = ['1 aa', '2 bb', '3 cc', '4 dd', '5 ee']
call setline(1, l)
w! Xtest
normal dd
$
put
normal kkrXoxxx
w! Xtest2
file Nop
normal ggoyyyjjjozzzz
set foldmethod=marker foldcolumn=4
call assert_equal(0, &diff)
call assert_equal('marker', &foldmethod)
call assert_equal(4, &foldcolumn)
call assert_equal(0, &scrollbind)
call assert_equal(0, &cursorbind)
call assert_equal(1, &wrap)
vert diffsplit Xtest
vert diffsplit Xtest2
call assert_equal(1, &diff)
call assert_equal('diff', &foldmethod)
call assert_equal(2, &foldcolumn)
call assert_equal(1, &scrollbind)
call assert_equal(1, &cursorbind)
call assert_equal(0, &wrap)
let diff_fdm = &fdm
let diff_fdc = &fdc
" repeat entering diff mode here to see if this saves the wrong settings
diffthis
" jump to second window for a moment to have filler line appear at start of
" first window
wincmd w
normal gg
wincmd p
normal gg
call assert_equal(2, winline())
normal j
call assert_equal(4, winline())
normal j
call assert_equal(5, winline())
normal j
call assert_equal(6, winline())
normal j
call assert_equal(8, winline())
normal j
call assert_equal(9, winline())
wincmd w
normal gg
call assert_equal(1, winline())
normal j
call assert_equal(2, winline())
normal j
call assert_equal(4, winline())
normal j
call assert_equal(5, winline())
normal j
call assert_equal(8, winline())
wincmd w
normal gg
call assert_equal(2, winline())
normal j
call assert_equal(3, winline())
normal j
call assert_equal(4, winline())
normal j
call assert_equal(5, winline())
normal j
call assert_equal(6, winline())
normal j
call assert_equal(7, winline())
normal j
call assert_equal(8, winline())
" Test diffoff
diffoff!
1wincmd w
let &diff = 1
let &fdm = diff_fdm
let &fdc = diff_fdc
4wincmd w
diffoff!
1wincmd w
call assert_equal(0, &diff)
call assert_equal('marker', &foldmethod)
call assert_equal(4, &foldcolumn)
call assert_equal(0, &scrollbind)
call assert_equal(0, &cursorbind)
call assert_equal(1, &wrap)
wincmd w
call assert_equal(0, &diff)
call assert_equal('marker', &foldmethod)
call assert_equal(4, &foldcolumn)
call assert_equal(0, &scrollbind)
call assert_equal(0, &cursorbind)
call assert_equal(1, &wrap)
wincmd w
call assert_equal(0, &diff)
call assert_equal('marker', &foldmethod)
call assert_equal(4, &foldcolumn)
call assert_equal(0, &scrollbind)
call assert_equal(0, &cursorbind)
call assert_equal(1, &wrap)
call delete('Xtest')
call delete('Xtest2')
windo bw!
endfunc
func Test_filler_lines()
" Test that diffing shows correct filler lines
enew!
put =range(4,10)
1d _
vnew
put =range(1,10)
1d _
windo diffthis
wincmd h
call assert_equal(1, line('w0'))
unlet! diff_fdm diff_fdc
windo diffoff
bwipe!
enew!
endfunc
func Test_diffget_diffput()
enew!
let l = range(50)
call setline(1, l)
call assert_fails('diffget', 'E99:')
diffthis
call assert_fails('diffget', 'E100:')
new
let l[10] = 'one'
let l[20] = 'two'
let l[30] = 'three'
let l[40] = 'four'
call setline(1, l)
diffthis
call assert_equal('one', getline(11))
11diffget
call assert_equal('10', getline(11))
21diffput
wincmd w
call assert_equal('two', getline(21))
normal 31Gdo
call assert_equal('three', getline(31))
call assert_equal('40', getline(41))
normal 41Gdp
wincmd w
call assert_equal('40', getline(41))
new
diffthis
call assert_fails('diffget', 'E101:')
windo diffoff
%bwipe!
endfunc
" Test putting two changes from one buffer to another
func Test_diffput_two()
new a
let win_a = win_getid()
call setline(1, range(1, 10))
diffthis
new b
let win_b = win_getid()
call setline(1, range(1, 10))
8del
5del
diffthis
call win_gotoid(win_a)
%diffput
call win_gotoid(win_b)
call assert_equal(map(range(1, 10), 'string(v:val)'), getline(1, '$'))
bwipe! a
bwipe! b
endfunc
" Test for :diffget/:diffput with a range that is inside a diff chunk
func Test_diffget_diffput_range()
call setline(1, range(1, 10))
new
call setline(1, range(11, 20))
windo diffthis
3,5diffget
call assert_equal(['13', '14', '15'], getline(3, 5))
call setline(1, range(1, 10))
4,8diffput
wincmd p
call assert_equal(['13', '4', '5', '6', '7', '8', '19'], getline(3, 9))
%bw!
endfunc
" Test :diffget/:diffput handling of added/deleted lines
func Test_diffget_diffput_deleted_lines()
call setline(1, ['2','4','6'])
diffthis
new
call setline(1, range(1,7))
diffthis
wincmd w
3,3diffget " get nothing
call assert_equal(['2', '4', '6'], getline(1, '$'))
3,4diffget " get the last insertion past the end of file
call assert_equal(['2', '4', '6', '7'], getline(1, '$'))
0,1diffget " get the first insertion above first line
call assert_equal(['1', '2', '4', '6', '7'], getline(1, '$'))
" When using non-range diffget on the last line, it should get the
" change above or at the line as usual, but if the only change is below the
" last line, diffget should get that instead.
1,$delete
call setline(1, ['2','4','6'])
diffupdate
norm Gdo
call assert_equal(['2', '4', '5', '6'], getline(1, '$'))
norm Gdo
call assert_equal(['2', '4', '5', '6', '7'], getline(1, '$'))
" Test non-range diffput on last line with the same logic
1,$delete
call setline(1, ['2','4','6'])
diffupdate
norm Gdp
wincmd w
call assert_equal(['1', '2', '3', '4', '6', '7'], getline(1, '$'))
wincmd w
norm Gdp
wincmd w
call assert_equal(['1', '2', '3', '4', '6'], getline(1, '$'))
call setline(1, range(1,7))
diffupdate
wincmd w
" Test that 0,$+1 will get/put all changes from/to the other buffer
1,$delete
call setline(1, ['2','4','6'])
diffupdate
0,$+1diffget
call assert_equal(['1', '2', '3', '4', '5', '6', '7'], getline(1, '$'))
1,$delete
call setline(1, ['2','4','6'])
diffupdate
0,$+1diffput
wincmd w
call assert_equal(['2', '4', '6'], getline(1, '$'))
%bw!
endfunc
" Test for :diffget/:diffput with an empty buffer and a non-empty buffer
func Test_diffget_diffput_empty_buffer()
%d _
new
call setline(1, 'one')
windo diffthis
diffget
call assert_equal(['one'], getline(1, '$'))
%d _
diffput
wincmd p
call assert_equal([''], getline(1, '$'))
%bw!
endfunc
" :diffput and :diffget completes names of buffers which
" are in diff mode and which are different than current buffer.
" No completion when the current window is not in diff mode.
func Test_diffget_diffput_completion()
e Xdiff1 | diffthis
botright new Xdiff2
botright new Xdiff3 | split | diffthis
botright new Xdiff4 | diffthis
wincmd t
call assert_equal('Xdiff1', bufname('%'))
call feedkeys(":diffput \<C-A>\<C-B>\"\<CR>", 'tx')
call assert_equal('"diffput Xdiff3 Xdiff4', @:)
call feedkeys(":diffget \<C-A>\<C-B>\"\<CR>", 'tx')
call assert_equal('"diffget Xdiff3 Xdiff4', @:)
call assert_equal(['Xdiff3', 'Xdiff4'], getcompletion('', 'diff_buffer'))
" Xdiff2 is not in diff mode, so no completion for :diffput, :diffget
wincmd j
call assert_equal('Xdiff2', bufname('%'))
call feedkeys(":diffput \<C-A>\<C-B>\"\<CR>", 'tx')
call assert_equal('"diffput ', @:)
call feedkeys(":diffget \<C-A>\<C-B>\"\<CR>", 'tx')
call assert_equal('"diffget ', @:)
call assert_equal([], getcompletion('', 'diff_buffer'))
" Xdiff3 is split in 2 windows, only the top one is in diff mode.
" So completion of :diffput :diffget only happens in the top window.
wincmd j
call assert_equal('Xdiff3', bufname('%'))
call assert_equal(1, &diff)
call feedkeys(":diffput \<C-A>\<C-B>\"\<CR>", 'tx')
call assert_equal('"diffput Xdiff1 Xdiff4', @:)
call feedkeys(":diffget \<C-A>\<C-B>\"\<CR>", 'tx')
call assert_equal('"diffget Xdiff1 Xdiff4', @:)
call assert_equal(['Xdiff1', 'Xdiff4'], getcompletion('', 'diff_buffer'))
wincmd j
call assert_equal('Xdiff3', bufname('%'))
call assert_equal(0, &diff)
call feedkeys(":diffput \<C-A>\<C-B>\"\<CR>", 'tx')
call assert_equal('"diffput ', @:)
call feedkeys(":diffget \<C-A>\<C-B>\"\<CR>", 'tx')
call assert_equal('"diffget ', @:)
call assert_equal([], getcompletion('', 'diff_buffer'))
wincmd j
call assert_equal('Xdiff4', bufname('%'))
call feedkeys(":diffput \<C-A>\<C-B>\"\<CR>", 'tx')
call assert_equal('"diffput Xdiff1 Xdiff3', @:)
call feedkeys(":diffget \<C-A>\<C-B>\"\<CR>", 'tx')
call assert_equal('"diffget Xdiff1 Xdiff3', @:)
call assert_equal(['Xdiff1', 'Xdiff3'], getcompletion('', 'diff_buffer'))
%bwipe
endfunc
func Test_dp_do_buffer()
e! one
let bn1=bufnr('%')
let l = range(60)
call setline(1, l)
diffthis
new two
let l[10] = 'one'
let l[20] = 'two'
let l[30] = 'three'
let l[40] = 'four'
let l[50] = 'five'
call setline(1, l)
diffthis
" dp and do with invalid buffer number.
11
call assert_fails('norm 99999dp', 'E102:')
call assert_fails('norm 99999do', 'E102:')
call assert_fails('diffput non_existing_buffer', 'E94:')
call assert_fails('diffget non_existing_buffer', 'E94:')
" dp and do with valid buffer number.
call assert_equal('one', getline('.'))
exe 'norm ' . bn1 . 'do'
call assert_equal('10', getline('.'))
21
call assert_equal('two', getline('.'))
diffget one
call assert_equal('20', getline('.'))
31
exe 'norm ' . bn1 . 'dp'
41
diffput one
wincmd w
31
call assert_equal('three', getline('.'))
41
call assert_equal('four', getline('.'))
" dp and do with buffer number which is not in diff mode.
new not_in_diff_mode
let bn3=bufnr('%')
wincmd w
51
call assert_fails('exe "norm" . bn3 . "dp"', 'E103:')
call assert_fails('exe "norm" . bn3 . "do"', 'E103:')
call assert_fails('diffput not_in_diff_mode', 'E94:')
call assert_fails('diffget not_in_diff_mode', 'E94:')
windo diffoff
%bwipe!
endfunc
func Test_do_lastline()
e! one
call setline(1, ['1','2','3','4','5','6'])
diffthis
new two
call setline(1, ['2','4','5'])
diffthis
1
norm dp]c
norm dp]c
wincmd w
call assert_equal(4, line('$'))
norm G
norm do
call assert_equal(3, line('$'))
windo diffoff
%bwipe!
endfunc
func Test_diffoff()
enew!
call setline(1, ['Two', 'Three'])
redraw
let normattr = screenattr(1, 1)
diffthis
botright vert new
call setline(1, ['One', '', 'Two', 'Three'])
diffthis
redraw
call assert_notequal(normattr, 1->screenattr(1))
diffoff!
redraw
call assert_equal(normattr, screenattr(1, 1))
bwipe!
bwipe!
endfunc
func Common_icase_test()
edit one
call setline(1, ['One', 'Two', 'Three', 'Four', 'Fi#vϵ', 'Si⃗x', 'Se⃗ve⃗n'])
redraw
let normattr = screenattr(1, 1)
diffthis
botright vert new two
call setline(1, ['one', 'TWO', 'Three ', 'Four', 'fI=VΕ', 'SI⃗x', 'SEvE⃗n'])
diffthis
redraw
call assert_equal(normattr, screenattr(1, 1))
call assert_equal(normattr, screenattr(2, 1))
call assert_notequal(normattr, screenattr(3, 1))
call assert_equal(normattr, screenattr(4, 1))
call assert_equal(normattr, screenattr(6, 2))
call assert_notequal(normattr, screenattr(7, 2))
let dtextattr = screenattr(5, 3)
call assert_notequal(dtextattr, screenattr(5, 1))
call assert_notequal(dtextattr, screenattr(5, 5))
call assert_notequal(dtextattr, screenattr(7, 4))
diffoff!
%bwipe!
endfunc
func Test_diffopt_icase()
set diffopt=icase,foldcolumn:0
call Common_icase_test()
set diffopt&
endfunc
func Test_diffopt_icase_internal()
set diffopt=icase,foldcolumn:0,internal
call Common_icase_test()
set diffopt&
endfunc
func Common_iwhite_test()
edit one
" Difference in trailing spaces and amount of spaces should be ignored,
" but not other space differences.
call setline(1, ["One \t", 'Two', 'Three', 'one two', 'one two', 'Four'])
redraw
let normattr = screenattr(1, 1)
diffthis
botright vert new two
call setline(1, ["One\t ", "Two\t ", 'Three', 'one two', 'onetwo', ' Four'])
diffthis
redraw
call assert_equal(normattr, screenattr(1, 1))
call assert_equal(normattr, screenattr(2, 1))
call assert_equal(normattr, screenattr(3, 1))
call assert_equal(normattr, screenattr(4, 1))
call assert_notequal(normattr, screenattr(5, 1))
call assert_notequal(normattr, screenattr(6, 1))
diffoff!
%bwipe!
endfunc
func Test_diffopt_iwhite()
set diffopt=iwhite,foldcolumn:0
call Common_iwhite_test()
set diffopt&
endfunc
func Test_diffopt_iwhite_internal()
set diffopt=internal,iwhite,foldcolumn:0
call Common_iwhite_test()
set diffopt&
endfunc
func Test_diffopt_context()
enew!
call setline(1, ['1', '2', '3', '4', '5', '6', '7'])
diffthis
new
call setline(1, ['1', '2', '3', '4', '5x', '6', '7'])
diffthis
set diffopt=context:2
call assert_equal('+-- 2 lines: 1', foldtextresult(1))
set diffopt=internal,context:2
call assert_equal('+-- 2 lines: 1', foldtextresult(1))
set diffopt=context:1
call assert_equal('+-- 3 lines: 1', foldtextresult(1))
set diffopt=internal,context:1
call assert_equal('+-- 3 lines: 1', foldtextresult(1))
diffoff!
%bwipe!
set diffopt&
endfunc
func Test_diffopt_horizontal()
set diffopt=internal,horizontal
diffsplit
call assert_equal(&columns, winwidth(1))
call assert_equal(&columns, winwidth(2))
call assert_equal(&lines, winheight(1) + winheight(2) + 3)
call assert_inrange(0, 1, winheight(1) - winheight(2))
set diffopt&
diffoff!
%bwipe
endfunc
func Test_diffopt_vertical()
set diffopt=internal,vertical
diffsplit
call assert_equal(&lines - 2, winheight(1))
call assert_equal(&lines - 2, winheight(2))
call assert_equal(&columns, winwidth(1) + winwidth(2) + 1)
call assert_inrange(0, 1, winwidth(1) - winwidth(2))
set diffopt&
diffoff!
%bwipe
endfunc
func Test_diffopt_hiddenoff()
set diffopt=internal,filler,foldcolumn:0,hiddenoff
e! one
call setline(1, ['Two', 'Three'])
redraw
let normattr = screenattr(1, 1)
diffthis
botright vert new two
call setline(1, ['One', 'Four'])
diffthis
redraw
call assert_notequal(normattr, screenattr(1, 1))
set hidden
close
redraw
" should not diffing with hidden buffer two while 'hiddenoff' is enabled
call assert_equal(normattr, screenattr(1, 1))
bwipe!
bwipe!
set hidden& diffopt&
endfunc
func Test_diffoff_hidden()
set diffopt=internal,filler,foldcolumn:0
e! one
call setline(1, ['Two', 'Three'])
redraw
let normattr = screenattr(1, 1)
diffthis
botright vert new two
call setline(1, ['One', 'Four'])
diffthis
redraw
call assert_notequal(normattr, screenattr(1, 1))
set hidden
close
redraw
" diffing with hidden buffer two
call assert_notequal(normattr, screenattr(1, 1))
diffoff
redraw
call assert_equal(normattr, screenattr(1, 1))
diffthis
redraw
" still diffing with hidden buffer two
call assert_notequal(normattr, screenattr(1, 1))
diffoff!
redraw
call assert_equal(normattr, screenattr(1, 1))
diffthis
redraw
" no longer diffing with hidden buffer two
call assert_equal(normattr, screenattr(1, 1))
bwipe!
bwipe!
set hidden& diffopt&
endfunc
func Test_setting_cursor()
new Xtest1
put =range(1,90)
wq
new Xtest2
put =range(1,100)
wq
tabe Xtest2
$
diffsp Xtest1
tabclose
call delete('Xtest1')
call delete('Xtest2')
endfunc
func Test_diff_move_to()
new
call setline(1, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
diffthis
vnew
call setline(1, [1, '2x', 3, 4, 4, 5, '6x', 7, '8x', 9, '10x'])
diffthis
norm ]c
call assert_equal(2, line('.'))
norm 3]c
call assert_equal(9, line('.'))
norm 10]c
call assert_equal(11, line('.'))
norm [c
call assert_equal(9, line('.'))
norm 2[c
call assert_equal(5, line('.'))
norm 10[c
call assert_equal(2, line('.'))
%bwipe!
endfunc
func Test_diffexpr()
CheckExecutable diff
func DiffExpr()
" Prepend some text to check diff type detection
call writefile(['warning', ' message'], v:fname_out)
silent exe '!diff ' . v:fname_in . ' ' . v:fname_new . '>>' . v:fname_out
endfunc
set diffexpr=DiffExpr()
set diffopt=foldcolumn:0
enew!
call setline(1, ['one', 'two', 'three'])
redraw
let normattr = screenattr(1, 1)
diffthis
botright vert new
call setline(1, ['one', 'two', 'three.'])
diffthis
redraw
call assert_equal(normattr, screenattr(1, 1))
call assert_equal(normattr, screenattr(2, 1))
call assert_notequal(normattr, screenattr(3, 1))
diffoff!
" Try using a non-existing function for 'diffexpr'.
set diffexpr=NewDiffFunc()
call assert_fails('windo diffthis', ['E117:', 'E97:'])
diffoff!
" Using a script-local function
func s:NewDiffExpr()
endfunc
set diffexpr=s:NewDiffExpr()
call assert_equal(expand('<SID>') .. 'NewDiffExpr()', &diffexpr)
set diffexpr=<SID>NewDiffExpr()
call assert_equal(expand('<SID>') .. 'NewDiffExpr()', &diffexpr)
%bwipe!
set diffexpr& diffopt&
delfunc DiffExpr
delfunc s:NewDiffExpr
endfunc
func Test_diffpatch()
" The patch program on MS-Windows may fail or hang.
CheckExecutable patch
CheckUnix
new
insert
***************
*** 1,3 ****
1
! 2
3
--- 1,4 ----
1
! 2x
3
+ 4
.
saveas! Xpatch
bwipe!
new
call assert_fails('diffpatch Xpatch', 'E816:')
for name in ['Xpatch', 'Xpatch$HOME', 'Xpa''tch']
call setline(1, ['1', '2', '3'])
if name != 'Xpatch'
call rename('Xpatch', name)
endif
exe 'diffpatch ' . escape(name, '$')
call assert_equal(['1', '2x', '3', '4'], getline(1, '$'))
if name != 'Xpatch'
call rename(name, 'Xpatch')
endif
bwipe!
endfor
call delete('Xpatch')
bwipe!
endfunc
" FIXME: test fails, the Xresult file can't be read
func No_Test_diffpatch_restricted()
let lines =<< trim END
call assert_fails('diffpatch NoSuchDiff', 'E145:')
call writefile(v:errors, 'Xresult')
qa!
END
call writefile(lines, 'Xrestricted', 'D')
if RunVim([], [], '-Z --clean -S Xrestricted')
call assert_equal([], readfile('Xresult'))
endif
call delete('Xresult')
endfunc
func Test_diff_too_many_buffers()
for i in range(1, 8)
exe "new Xtest" . i
diffthis
endfor
new Xtest9
call assert_fails('diffthis', 'E96:')
%bwipe!
endfunc
func Test_diff_nomodifiable()
new
call setline(1, [1, 2, 3, 4])
setl nomodifiable
diffthis
vnew
call setline(1, ['1x', 2, 3, 3, 4])
diffthis
call assert_fails('norm dp', 'E793:')
setl nomodifiable
call assert_fails('norm do', 'E21:')
%bwipe!
endfunc
func Test_diff_hlID()
new
call setline(1, [1, 2, 3, 'Yz', 'a dxxg',])
diffthis
vnew
call setline(1, ['1x', 2, 'x', 3, 'yx', 'abc defg'])
diffthis
redraw
call diff_hlID(-1, 1)->synIDattr("name")->assert_equal("")
call diff_hlID(1, 1)->synIDattr("name")->assert_equal("DiffChange")
call diff_hlID(1, 2)->synIDattr("name")->assert_equal("DiffText")
call diff_hlID(2, 1)->synIDattr("name")->assert_equal("")
call diff_hlID(3, 1)->synIDattr("name")->assert_equal("DiffAdd")
eval 4->diff_hlID(1)->synIDattr("name")->assert_equal("")
call diff_hlID(5, 1)->synIDattr("name")->assert_equal("DiffText")
call diff_hlID(5, 2)->synIDattr("name")->assert_equal("DiffText")
set diffopt+=icase " test that caching is invalidated by diffopt change
call diff_hlID(5, 1)->synIDattr("name")->assert_equal("DiffChange")
set diffopt-=icase
call diff_hlID(5, 1)->synIDattr("name")->assert_equal("DiffText")
call diff_hlID(6, 1)->synIDattr("name")->assert_equal("DiffChange")
call diff_hlID(6, 2)->synIDattr("name")->assert_equal("DiffText")
call diff_hlID(6, 4)->synIDattr("name")->assert_equal("DiffText")
call diff_hlID(6, 7)->synIDattr("name")->assert_equal("DiffText")
call diff_hlID(6, 8)->synIDattr("name")->assert_equal("DiffChange")
set diffopt+=inline:char
call diff_hlID(6, 1)->synIDattr("name")->assert_equal("DiffChange")
call diff_hlID(6, 2)->synIDattr("name")->assert_equal("DiffTextAdd")
call diff_hlID(6, 4)->synIDattr("name")->assert_equal("DiffChange")
call diff_hlID(6, 7)->synIDattr("name")->assert_equal("DiffText")
call diff_hlID(6, 8)->synIDattr("name")->assert_equal("DiffChange")
set diffopt-=inline:char
wincmd w
call assert_equal(synIDattr(diff_hlID(1, 1), "name"), "DiffChange")
call assert_equal(synIDattr(diff_hlID(2, 1), "name"), "")
call assert_equal(synIDattr(diff_hlID(3, 1), "name"), "")
%bwipe!
endfunc
func Test_diff_filler()
new
call setline(1, [1, 2, 3, 'x', 4])
diffthis
vnew
call setline(1, [1, 2, 'y', 'y', 3, 4])
diffthis
redraw
call assert_equal([0, 0, 0, 0, 0, 0, 0, 1, 0], map(range(-1, 7), 'v:val->diff_filler()'))
wincmd w
call assert_equal([0, 0, 0, 0, 2, 0, 0, 0], map(range(-1, 6), 'diff_filler(v:val)'))
%bwipe!
endfunc
func Test_diff_lastline()
enew!
only!
call setline(1, ['This is a ', 'line with five ', 'rows'])
diffthis
botright vert new
call setline(1, ['This is', 'a line with ', 'four rows'])
diffthis
1
call feedkeys("Je a\<CR>", 'tx')
call feedkeys("Je a\<CR>", 'tx')
let w1lines = winline()
wincmd w
$
let w2lines = winline()
call assert_equal(w2lines, w1lines)
bwipe!
bwipe!
endfunc
func WriteDiffFiles(buf, list1, list2)
call writefile(a:list1, 'Xdifile1')
call writefile(a:list2, 'Xdifile2')
if a:buf
call term_sendkeys(a:buf, ":checktime\<CR>")
endif
endfunc
func WriteDiffFiles3(buf, list1, list2, list3)
call writefile(a:list1, 'Xdifile1')
call writefile(a:list2, 'Xdifile2')
call writefile(a:list3, 'Xdifile3')
if a:buf
call term_sendkeys(a:buf, ":checktime\<CR>")
endif
endfunc
" Verify a screendump with both the internal and external diff.
func VerifyBoth(buf, dumpfile, extra)
CheckScreendump
" trailing : for leaving the cursor on the command line
for cmd in [":set diffopt=filler" . a:extra . "\<CR>:", ":set diffopt+=internal\<CR>:"]
call term_sendkeys(a:buf, cmd)
if VerifyScreenDump(a:buf, a:dumpfile, {}, cmd =~ 'internal' ? 'internal' : 'external')
" don't let the next iteration overwrite the "failed" file.
return
endif
endfor
" also test unified diff
call term_sendkeys(a:buf, ":call SetupUnified()\<CR>:")
call term_sendkeys(a:buf, ":redraw!\<CR>:")
call VerifyScreenDump(a:buf, a:dumpfile, {}, 'unified')
call term_sendkeys(a:buf, ":call StopUnified()\<CR>:")
endfunc
" Verify a screendump with the internal diff only.
func VerifyInternal(buf, dumpfile, extra)
CheckScreendump
call term_sendkeys(a:buf, ":diffupdate!\<CR>")
" trailing : for leaving the cursor on the command line
call term_sendkeys(a:buf, ":set diffopt=internal,filler" . a:extra . "\<CR>:")
call VerifyScreenDump(a:buf, a:dumpfile, {})
endfunc
func Test_diff_screen()
if has('osxdarwin') && system('diff --version') =~ '^Apple diff'
throw 'Skipped: unified diff does not work properly on this macOS version'
endif
let g:test_is_flaky = 1
CheckScreendump
CheckFeature menu
let lines =<< trim END
func UnifiedDiffExpr()
" Prepend some text to check diff type detection
call writefile(['warning', ' message'], v:fname_out)
silent exe '!diff -U0 ' .. v:fname_in .. ' ' .. v:fname_new .. '>>' .. v:fname_out
endfunc
func SetupUnified()
set diffexpr=UnifiedDiffExpr()
diffupdate
endfunc
func StopUnified()
set diffexpr=
endfunc
END
call writefile(lines, 'XdiffSetup', 'D')
" clean up already existing swap files, just in case
call delete('.Xdifile1.swp')
call delete('.Xdifile2.swp')
" Test 1: Add a line in beginning of file 2
call WriteDiffFiles(0, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
let buf = RunVimInTerminal('-d -S XdiffSetup Xdifile1 Xdifile2', {})
" Set autoread mode, so that Vim won't complain once we re-write the test
" files
call term_sendkeys(buf, ":set autoread\<CR>\<c-w>w:set autoread\<CR>\<c-w>w")
call VerifyBoth(buf, 'Test_diff_01', '')
" Test 2: Add a line in beginning of file 1
call WriteDiffFiles(buf, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
call VerifyBoth(buf, 'Test_diff_02', '')
" Test 3: Add a line at the end of file 2
call WriteDiffFiles(buf, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11])
call VerifyBoth(buf, 'Test_diff_03', '')
" Test 4: Add a line at the end of file 1
call WriteDiffFiles(buf, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11], [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
call VerifyBoth(buf, 'Test_diff_04', '')
" Test 5: Add a line in the middle of file 2, remove on at the end of file 1
call WriteDiffFiles(buf, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11], [1, 2, 3, 4, 4, 5, 6, 7, 8, 9, 10])
call VerifyBoth(buf, 'Test_diff_05', '')
" Test 6: Add a line in the middle of file 1, remove on at the end of file 2
call WriteDiffFiles(buf, [1, 2, 3, 4, 4, 5, 6, 7, 8, 9, 10], [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11])
call VerifyBoth(buf, 'Test_diff_06', '')
" Variants on test 6 with different context settings
call term_sendkeys(buf, ":set diffopt+=context:2\<cr>")
call VerifyScreenDump(buf, 'Test_diff_06.2', {})
call term_sendkeys(buf, ":set diffopt-=context:2\<cr>")
call term_sendkeys(buf, ":set diffopt+=context:1\<cr>")
call VerifyScreenDump(buf, 'Test_diff_06.1', {})
call term_sendkeys(buf, ":set diffopt-=context:1\<cr>")
call term_sendkeys(buf, ":set diffopt+=context:0\<cr>")
call VerifyScreenDump(buf, 'Test_diff_06.0', {})
call term_sendkeys(buf, ":set diffopt-=context:0\<cr>")
" Test 7 - 9: Test normal/patience/histogram diff algorithm
call WriteDiffFiles(buf, ['#include <stdio.h>', '', '// Frobs foo heartily', 'int frobnitz(int foo)', '{',
\ ' int i;', ' for(i = 0; i < 10; i++)', ' {', ' printf("Your answer is: ");',
\ ' printf("%d\n", foo);', ' }', '}', '', 'int fact(int n)', '{', ' if(n > 1)', ' {',
\ ' return fact(n-1) * n;', ' }', ' return 1;', '}', '', 'int main(int argc, char **argv)',
\ '{', ' frobnitz(fact(10));', '}'],
\ ['#include <stdio.h>', '', 'int fib(int n)', '{', ' if(n > 2)', ' {',
\ ' return fib(n-1) + fib(n-2);', ' }', ' return 1;', '}', '', '// Frobs foo heartily',
\ 'int frobnitz(int foo)', '{', ' int i;', ' for(i = 0; i < 10; i++)', ' {',
\ ' printf("%d\n", foo);', ' }', '}', '',
\ 'int main(int argc, char **argv)', '{', ' frobnitz(fib(10));', '}'])
call term_sendkeys(buf, ":diffupdate!\<cr>")
call term_sendkeys(buf, ":set diffopt+=internal\<cr>")
call VerifyScreenDump(buf, 'Test_diff_07', {})
call term_sendkeys(buf, ":set diffopt+=algorithm:patience\<cr>")
call VerifyScreenDump(buf, 'Test_diff_08', {})
call term_sendkeys(buf, ":set diffopt+=algorithm:histogram\<cr>")
call VerifyScreenDump(buf, 'Test_diff_09', {})
" Test 10-11: normal/indent-heuristic
call term_sendkeys(buf, ":set diffopt&vim\<cr>")
call WriteDiffFiles(buf, ['', ' def finalize(values)', '', ' values.each do |v|', ' v.finalize', ' end'],
\ ['', ' def finalize(values)', '', ' values.each do |v|', ' v.prepare', ' end', '',
\ ' values.each do |v|', ' v.finalize', ' end'])
call term_sendkeys(buf, ":diffupdate!\<cr>")
call term_sendkeys(buf, ":set diffopt+=internal\<cr>")
call VerifyScreenDump(buf, 'Test_diff_10', {})
" Leave trailing : at commandline!
call term_sendkeys(buf, ":set diffopt+=indent-heuristic\<cr>:\<cr>")
call VerifyScreenDump(buf, 'Test_diff_11', {}, 'one')
" shouldn't matter, if indent-algorithm comes before or after the algorithm
call term_sendkeys(buf, ":set diffopt&\<cr>")
call term_sendkeys(buf, ":set diffopt+=indent-heuristic,algorithm:patience\<cr>:\<cr>")
call VerifyScreenDump(buf, 'Test_diff_11', {}, 'two')
call term_sendkeys(buf, ":set diffopt&\<cr>")
call term_sendkeys(buf, ":set diffopt+=algorithm:patience,indent-heuristic\<cr>:\<cr>")
call VerifyScreenDump(buf, 'Test_diff_11', {}, 'three')
" Test 12: diff the same file
call WriteDiffFiles(buf, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
call VerifyBoth(buf, 'Test_diff_12', '')
" Test 13: diff an empty file
call WriteDiffFiles(buf, [], [])
call VerifyBoth(buf, 'Test_diff_13', '')
" Test 14: test diffopt+=icase
call WriteDiffFiles(buf, ['a', 'b', 'cd'], ['A', 'b', 'cDe'])
call VerifyBoth(buf, 'Test_diff_14', " diffopt+=filler diffopt+=icase")
" Test 15-16: test diffopt+=iwhite
call WriteDiffFiles(buf, ['int main()', '{', ' printf("Hello, World!");', ' return 0;', '}'],
\ ['int main()', '{', ' if (0)', ' {', ' printf("Hello, World!");', ' return 0;', ' }', '}'])
call term_sendkeys(buf, ":diffupdate!\<cr>")
call term_sendkeys(buf, ":set diffopt&vim diffopt+=filler diffopt+=iwhite\<cr>")
call VerifyScreenDump(buf, 'Test_diff_15', {})
call term_sendkeys(buf, ":set diffopt+=internal\<cr>")
call VerifyScreenDump(buf, 'Test_diff_16', {})
" Test 17: test diffopt+=iblank
call WriteDiffFiles(buf, ['a', ' ', 'cd', 'ef', 'xxx'], ['a', 'cd', '', 'ef', 'yyy'])
call VerifyInternal(buf, 'Test_diff_17', " diffopt+=iblank")
" Test 18: test diffopt+=iblank,iwhite / iwhiteall / iwhiteeol
call VerifyInternal(buf, 'Test_diff_18', " diffopt+=iblank,iwhite")
call VerifyInternal(buf, 'Test_diff_18', " diffopt+=iblank,iwhiteall")
call VerifyInternal(buf, 'Test_diff_18', " diffopt+=iblank,iwhiteeol")
" Test 19: test diffopt+=iwhiteeol
call WriteDiffFiles(buf, ['a ', 'x', 'cd', 'ef', 'xx xx', 'foo', 'bar'], ['a', 'x', 'c d', ' ef', 'xx xx', 'foo', '', 'bar'])
call VerifyInternal(buf, 'Test_diff_19', " diffopt+=iwhiteeol")
" Test 20: test diffopt+=iwhiteall
call VerifyInternal(buf, 'Test_diff_20', " diffopt+=iwhiteall")
" Test 21: Delete all lines
call WriteDiffFiles(buf, [0], [])
call VerifyBoth(buf, "Test_diff_21", "")
" Test 22: Add line to empty file
call WriteDiffFiles(buf, [], [0])
call VerifyBoth(buf, "Test_diff_22", "")
call WriteDiffFiles(buf, ['?a', '?b', '?c'], ['!b'])
call VerifyInternal(buf, 'Test_diff_23', " diffopt+=linematch:30")
call WriteDiffFiles(buf, ['',
\ 'common line',
\ 'common line',
\ '',
\ 'DEFabc',
\ 'xyz',
\ 'xyz',
\ 'xyz',
\ 'DEFabc',
\ 'DEFabc',
\ 'DEFabc',
\ 'common line',
\ 'common line',
\ 'DEF',
\ 'common line',
\ 'DEF',
\ 'something' ],
\ ['',
\ 'common line',
\ 'common line',
\ '',
\ 'ABCabc',
\ 'ABCabc',
\ 'ABCabc',
\ 'ABCabc',
\ 'common line',
\ 'common line',
\ 'common line',
\ 'something'])
call VerifyInternal(buf, 'Test_diff_24', " diffopt+=linematch:30")
" clean up
call StopVimInTerminal(buf)
call delete('Xdifile1')
call delete('Xdifile2')
endfunc
func Test_diff_with_scroll_and_change()
CheckScreendump
let lines =<< trim END
call setline(1, range(1, 15))
vnew
call setline(1, range(9, 15))
windo diffthis
wincmd h
exe "normal Gl5\<C-E>"
END
call writefile(lines, 'Xtest_scroll_change', 'D')
let buf = RunVimInTerminal('-S Xtest_scroll_change', {})
call VerifyScreenDump(buf, 'Test_diff_scroll_change_01', {})
call term_sendkeys(buf, "ax\<Esc>")
call VerifyScreenDump(buf, 'Test_diff_scroll_change_02', {})
call term_sendkeys(buf, "\<C-W>lay\<Esc>")
call VerifyScreenDump(buf, 'Test_diff_scroll_change_03', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func Test_diff_with_cursorline()
CheckScreendump
call writefile([
\ 'hi CursorLine ctermbg=red ctermfg=white',
\ 'set cursorline',
\ 'call setline(1, ["foo","foo","foo","bar"])',
\ 'vnew',
\ 'call setline(1, ["bee","foo","foo","baz"])',
\ 'windo diffthis',
\ '2wincmd w',
\ ], 'Xtest_diff_cursorline', 'D')
let buf = RunVimInTerminal('-S Xtest_diff_cursorline', {})
call VerifyScreenDump(buf, 'Test_diff_with_cursorline_01', {})
call term_sendkeys(buf, "j")
call VerifyScreenDump(buf, 'Test_diff_with_cursorline_02', {})
call term_sendkeys(buf, "j")
call VerifyScreenDump(buf, 'Test_diff_with_cursorline_03', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func Test_diff_with_cursorline_number()
CheckScreendump
let lines =<< trim END
hi CursorLine ctermbg=red ctermfg=white
hi CursorLineNr ctermbg=white ctermfg=black cterm=underline
set cursorline number
call setline(1, ["baz", "foo", "foo", "bar"])
2
vnew
call setline(1, ["foo", "foo", "bar"])
windo diffthis
1wincmd w
END
call writefile(lines, 'Xtest_diff_cursorline_number', 'D')
let buf = RunVimInTerminal('-S Xtest_diff_cursorline_number', {})
call VerifyScreenDump(buf, 'Test_diff_with_cursorline_number_01', {})
call term_sendkeys(buf, ":set cursorlineopt=number\r")
call VerifyScreenDump(buf, 'Test_diff_with_cursorline_number_02', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func Test_diff_with_cursorline_breakindent()
CheckScreendump
let lines =<< trim END
hi CursorLine ctermbg=red ctermfg=white
set noequalalways wrap diffopt=followwrap cursorline breakindent
50vnew
call setline(1, [' ', ' ', ' ', ' '])
exe "norm! 20Afoo\<Esc>j20Afoo\<Esc>j20Afoo\<Esc>j20Abar\<Esc>"
vnew
call setline(1, [' ', ' ', ' ', ' '])
exe "norm! 20Abee\<Esc>j20Afoo\<Esc>j20Afoo\<Esc>j20Abaz\<Esc>"
windo diffthis
2wincmd w
END
call writefile(lines, 'Xtest_diff_cursorline_breakindent', 'D')
let buf = RunVimInTerminal('-S Xtest_diff_cursorline_breakindent', {})
call term_sendkeys(buf, "gg0")
call VerifyScreenDump(buf, 'Test_diff_with_cul_bri_01', {})
call term_sendkeys(buf, "j")
call VerifyScreenDump(buf, 'Test_diff_with_cul_bri_02', {})
call term_sendkeys(buf, "j")
call VerifyScreenDump(buf, 'Test_diff_with_cul_bri_03', {})
call term_sendkeys(buf, "j")
call VerifyScreenDump(buf, 'Test_diff_with_cul_bri_04', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func Test_diff_breakindent_after_filler()
CheckScreendump
let lines =<< trim END
set laststatus=0 diffopt+=followwrap breakindent breakindentopt=min:0
call setline(1, ['a', ' ' .. repeat('c', 50)])
vnew
call setline(1, ['a', 'b', ' ' .. repeat('c', 50)])
windo diffthis
norm! G$
END
call writefile(lines, 'Xtest_diff_breakindent_after_filler', 'D')
let buf = RunVimInTerminal('-S Xtest_diff_breakindent_after_filler', #{rows: 8, cols: 45})
call VerifyScreenDump(buf, 'Test_diff_breakindent_after_filler', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func Test_diff_with_syntax()
CheckScreendump
let lines =<< trim END
void doNothing() {
int x = 0;
char *s = "hello";
return 5;
}
END
call writefile(lines, 'Xprogram1.c', 'D')
let lines =<< trim END
void doSomething() {
int x = 0;
char *s = "there";
return 5;
}
END
call writefile(lines, 'Xprogram2.c', 'D')
let lines =<< trim END
edit Xprogram1.c
diffsplit Xprogram2.c
END
call writefile(lines, 'Xtest_diff_syntax', 'D')
let buf = RunVimInTerminal('-S Xtest_diff_syntax', {})
call VerifyScreenDump(buf, 'Test_diff_syntax_1', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func Test_diff_of_diff()
CheckScreendump
CheckFeature rightleft
call writefile([
\ 'call setline(1, ["aa","bb","cc","@@ -3,2 +5,7 @@","dd","ee","ff"])',
\ 'vnew',
\ 'call setline(1, ["aa","bb","cc"])',
\ 'windo diffthis',
\ '1wincmd w',
\ 'setlocal number',
\ ], 'Xtest_diff_diff', 'D')
let buf = RunVimInTerminal('-S Xtest_diff_diff', {})
call VerifyScreenDump(buf, 'Test_diff_of_diff_01', {})
call term_sendkeys(buf, ":set rightleft\<cr>")
call VerifyScreenDump(buf, 'Test_diff_of_diff_02', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func CloseoffSetup()
enew
call setline(1, ['one', 'two', 'three'])
diffthis
new
call setline(1, ['one', 'tow', 'three'])
diffthis
call assert_equal(1, &diff)
bw!
endfunc
func Test_diff_closeoff()
" "closeoff" included by default: last diff win gets 'diff' reset'
call CloseoffSetup()
call assert_equal(0, &diff)
enew!
" "closeoff" excluded: last diff win keeps 'diff' set'
set diffopt-=closeoff
call CloseoffSetup()
call assert_equal(1, &diff)
diffoff!
enew!
endfunc
func Test_diff_followwrap()
new
set diffopt+=followwrap
set wrap
diffthis
call assert_equal(1, &wrap)
diffoff
set nowrap
diffthis
call assert_equal(0, &wrap)
diffoff
set diffopt&
bwipe!
endfunc
func Test_diff_maintains_change_mark()
func DiffMaintainsChangeMark()
enew!
call setline(1, ['a', 'b', 'c', 'd'])
diffthis
new
call setline(1, ['a', 'b', 'c', 'e'])
" Set '[ and '] marks
2,3yank
call assert_equal([2, 3], [line("'["), line("']")])
" Verify they aren't affected by the implicit diff
diffthis
call assert_equal([2, 3], [line("'["), line("']")])
" Verify they aren't affected by an explicit diff
diffupdate
call assert_equal([2, 3], [line("'["), line("']")])
bwipe!
bwipe!
endfunc
set diffopt-=internal
call DiffMaintainsChangeMark()
set diffopt+=internal
call DiffMaintainsChangeMark()
set diffopt&
delfunc DiffMaintainsChangeMark
endfunc
" Test for 'patchexpr'
func Test_patchexpr()
let g:patch_args = []
func TPatch()
call add(g:patch_args, readfile(v:fname_in))
call add(g:patch_args, readfile(v:fname_diff))
call writefile(['output file'], v:fname_out)
endfunc
set patchexpr=TPatch()
call writefile(['input file'], 'Xinput', 'D')
call writefile(['diff file'], 'Xdiff', 'D')
%bwipe!
edit Xinput
diffpatch Xdiff
call assert_equal('output file', getline(1))
call assert_equal('Xinput.new', bufname())
call assert_equal(2, winnr('$'))
call assert_true(&diff)
" Using a script-local function
func s:NewPatchExpr()
endfunc
set patchexpr=s:NewPatchExpr()
call assert_equal(expand('<SID>') .. 'NewPatchExpr()', &patchexpr)
set patchexpr=<SID>NewPatchExpr()
call assert_equal(expand('<SID>') .. 'NewPatchExpr()', &patchexpr)
set patchexpr&
delfunc TPatch
delfunc s:NewPatchExpr
%bwipe!
endfunc
func Test_diff_rnu()
CheckScreendump
let content =<< trim END
call setline(1, ['a', 'a', 'a', 'y', 'b', 'b', 'b', 'b', 'b'])
vnew
call setline(1, ['a', 'a', 'a', 'x', 'x', 'x', 'b', 'b', 'b', 'b', 'b'])
windo diffthis
setlocal number rnu foldcolumn=0
END
call writefile(content, 'Xtest_diff_rnu', 'D')
let buf = RunVimInTerminal('-S Xtest_diff_rnu', {})
call VerifyScreenDump(buf, 'Test_diff_rnu_01', {})
call term_sendkeys(buf, "j")
call VerifyScreenDump(buf, 'Test_diff_rnu_02', {})
call term_sendkeys(buf, "j")
call VerifyScreenDump(buf, 'Test_diff_rnu_03', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func Test_diff_multilineconceal()
new
diffthis
new
call matchadd('Conceal', 'a\nb', 9, -1, {'conceal': 'Y'})
set cole=2 cocu=n
call setline(1, ["a", "b"])
diffthis
redraw
endfunc
func Test_diff_and_scroll()
" this was causing an ml_get error
set ls=2
for i in range(winheight(0) * 2)
call setline(i, i < winheight(0) - 10 ? i : i + 10)
endfor
vnew
for i in range(winheight(0)*2 + 10)
call setline(i, i < winheight(0) - 10 ? 0 : i)
endfor
diffthis
wincmd p
diffthis
execute 'normal ' . winheight(0) . "\<C-d>"
bwipe!
bwipe!
set ls&
endfunc
func Test_diff_filler_cursorcolumn()
CheckScreendump
let content =<< trim END
call setline(1, ['aa', 'bb', 'cc'])
vnew
call setline(1, ['aa', 'cc'])
windo diffthis
wincmd p
setlocal cursorcolumn foldcolumn=0
norm! gg0
redraw!
END
call writefile(content, 'Xtest_diff_cuc', 'D')
let buf = RunVimInTerminal('-S Xtest_diff_cuc', {})
call VerifyScreenDump(buf, 'Test_diff_cuc_01', {})
call term_sendkeys(buf, "l")
call term_sendkeys(buf, "\<C-l>")
call VerifyScreenDump(buf, 'Test_diff_cuc_02', {})
call term_sendkeys(buf, "0j")
call term_sendkeys(buf, "\<C-l>")
call VerifyScreenDump(buf, 'Test_diff_cuc_03', {})
call term_sendkeys(buf, "l")
call term_sendkeys(buf, "\<C-l>")
call VerifyScreenDump(buf, 'Test_diff_cuc_04', {})
" clean up
call StopVimInTerminal(buf)
endfunc
" Test for adding/removing lines inside diff chunks, between diff chunks
" and before diff chunks
func Test_diff_modify_chunks()
enew!
let w2_id = win_getid()
call setline(1, ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i'])
new
let w1_id = win_getid()
call setline(1, ['a', '2', '3', 'd', 'e', 'f', '7', '8', 'i'])
windo diffthis
" remove a line between two diff chunks and create a new diff chunk
call win_gotoid(w2_id)
5d
call win_gotoid(w1_id)
call diff_hlID(5, 1)->synIDattr('name')->assert_equal('DiffAdd')
" add a line between two diff chunks
call win_gotoid(w2_id)
normal! 4Goe
call win_gotoid(w1_id)
call diff_hlID(4, 1)->synIDattr('name')->assert_equal('')
call diff_hlID(5, 1)->synIDattr('name')->assert_equal('')
" remove all the lines in a diff chunk.
call win_gotoid(w2_id)
7,8d
call win_gotoid(w1_id)
let hl = range(1, 9)->map({_, lnum -> diff_hlID(lnum, 1)->synIDattr('name')})
call assert_equal(['', 'DiffText', 'DiffText', '', '', '', 'DiffAdd',
\ 'DiffAdd', ''], hl)
" remove lines from one diff chunk to just before the next diff chunk
call win_gotoid(w2_id)
call setline(1, ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i'])
2,6d
call win_gotoid(w1_id)
let hl = range(1, 9)->map({_, lnum -> diff_hlID(lnum, 1)->synIDattr('name')})
call assert_equal(['', 'DiffText', 'DiffText', 'DiffAdd', 'DiffAdd',
\ 'DiffAdd', 'DiffAdd', 'DiffAdd', ''], hl)
" remove lines just before the top of a diff chunk
call win_gotoid(w2_id)
call setline(1, ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i'])
5,6d
call win_gotoid(w1_id)
let hl = range(1, 9)->map({_, lnum -> diff_hlID(lnum, 1)->synIDattr('name')})
call assert_equal(['', 'DiffText', 'DiffText', '', 'DiffText', 'DiffText',
\ 'DiffAdd', 'DiffAdd', ''], hl)
" remove line after the end of a diff chunk
call win_gotoid(w2_id)
call setline(1, ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i'])
4d
call win_gotoid(w1_id)
let hl = range(1, 9)->map({_, lnum -> diff_hlID(lnum, 1)->synIDattr('name')})
call assert_equal(['', 'DiffText', 'DiffText', 'DiffAdd', '', '', 'DiffText',
\ 'DiffText', ''], hl)
" remove lines starting from the end of one diff chunk and ending inside
" another diff chunk
call win_gotoid(w2_id)
call setline(1, ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i'])
4,7d
call win_gotoid(w1_id)
let hl = range(1, 9)->map({_, lnum -> diff_hlID(lnum, 1)->synIDattr('name')})
call assert_equal(['', 'DiffText', 'DiffText', 'DiffText', 'DiffAdd',
\ 'DiffAdd', 'DiffAdd', 'DiffAdd', ''], hl)
" removing the only remaining diff chunk should make the files equal
call win_gotoid(w2_id)
call setline(1, ['a', '2', '3', 'x', 'd', 'e', 'f', 'x', '7', '8', 'i'])
8d
let hl = range(1, 10)->map({_, lnum -> diff_hlID(lnum, 1)->synIDattr('name')})
call assert_equal(['', '', '', 'DiffAdd', '', '', '', '', '', ''], hl)
call win_gotoid(w2_id)
4d
call win_gotoid(w1_id)
let hl = range(1, 9)->map({_, lnum -> diff_hlID(lnum, 1)->synIDattr('name')})
call assert_equal(['', '', '', '', '', '', '', '', ''], hl)
%bw!
endfunc
func Test_diff_binary()
CheckScreendump
let content =<< trim END
call setline(1, ['a', 'b', "c\n", 'd', 'e', 'f', 'g'])
vnew
call setline(1, ['A', 'b', 'c', 'd', 'E', 'f', 'g'])
windo diffthis
wincmd p
norm! gg0
redraw!
END
call writefile(content, 'Xtest_diff_bin', 'D')
let buf = RunVimInTerminal('-S Xtest_diff_bin', {})
" Test using internal diff
call VerifyScreenDump(buf, 'Test_diff_bin_01', {})
" Test using internal diff and case folding
call term_sendkeys(buf, ":set diffopt+=icase\<cr>")
call term_sendkeys(buf, "\<C-l>")
call VerifyScreenDump(buf, 'Test_diff_bin_02', {})
" Test using external diff
call term_sendkeys(buf, ":set diffopt=filler\<cr>")
call term_sendkeys(buf, "\<C-l>")
call VerifyScreenDump(buf, 'Test_diff_bin_03', {})
" Test using external diff and case folding
call term_sendkeys(buf, ":set diffopt=filler,icase\<cr>")
call term_sendkeys(buf, "\<C-l>")
call VerifyScreenDump(buf, 'Test_diff_bin_04', {})
" clean up
call StopVimInTerminal(buf)
set diffopt&vim
endfunc
" Test for using the 'zi' command to invert 'foldenable' in diff windows (test
" for the issue fixed by patch 6.2.317)
func Test_diff_foldinvert()
%bw!
edit Xdoffile1
new Xdoffile2
new Xdoffile3
windo diffthis
" open a non-diff window
botright new
1wincmd w
call assert_true(getwinvar(1, '&foldenable'))
call assert_true(getwinvar(2, '&foldenable'))
call assert_true(getwinvar(3, '&foldenable'))
normal zi
call assert_false(getwinvar(1, '&foldenable'))
call assert_false(getwinvar(2, '&foldenable'))
call assert_false(getwinvar(3, '&foldenable'))
normal zi
call assert_true(getwinvar(1, '&foldenable'))
call assert_true(getwinvar(2, '&foldenable'))
call assert_true(getwinvar(3, '&foldenable'))
" If the current window has 'noscrollbind', then 'zi' should not change
" 'foldenable' in other windows.
1wincmd w
set noscrollbind
normal zi
call assert_false(getwinvar(1, '&foldenable'))
call assert_true(getwinvar(2, '&foldenable'))
call assert_true(getwinvar(3, '&foldenable'))
" 'zi' should not change the 'foldenable' for windows with 'noscrollbind'
1wincmd w
set scrollbind
normal zi
call setwinvar(2, '&scrollbind', v:false)
normal zi
call assert_false(getwinvar(1, '&foldenable'))
call assert_true(getwinvar(2, '&foldenable'))
call assert_false(getwinvar(3, '&foldenable'))
%bw!
set scrollbind&
endfunc
" This was scrolling for 'cursorbind' but 'scrollbind' is more important
func Test_diff_scroll()
CheckScreendump
let left =<< trim END
line 1
line 2
line 3
line 4
// Common block
// one
// containing
// four lines
// Common block
// two
// containing
// four lines
END
call writefile(left, 'Xleft', 'D')
let right =<< trim END
line 1
line 2
line 3
line 4
Lorem
ipsum
dolor
sit
amet,
consectetur
adipiscing
elit.
Etiam
luctus
lectus
sodales,
dictum
// Common block
// one
// containing
// four lines
Vestibulum
tincidunt
aliquet
nulla.
// Common block
// two
// containing
// four lines
END
call writefile(right, 'Xright', 'D')
let buf = RunVimInTerminal('-d Xleft Xright', {'rows': 12})
call term_sendkeys(buf, "\<C-W>\<C-W>jjjj")
call VerifyScreenDump(buf, 'Test_diff_scroll_1', {})
call term_sendkeys(buf, "j")
call VerifyScreenDump(buf, 'Test_diff_scroll_2', {})
call StopVimInTerminal(buf)
endfunc
" This was scrolling too many lines.
func Test_diff_scroll_wrap_on()
20new
40vsplit
call setline(1, map(range(1, 9), 'repeat(v:val, 200)'))
setlocal number diff so=0
redraw
normal! jj
call assert_equal(1, winsaveview().topline)
normal! j
call assert_equal(2, winsaveview().topline)
bwipe!
bwipe!
endfunc
func Test_diff_scroll_many_filler()
20new
vnew
call setline(1, range(1, 40))
diffthis
setlocal scrolloff=0
wincmd p
call setline(1, range(1, 20)->reverse() + ['###']->repeat(41) + range(21, 40)->reverse())
diffthis
setlocal scrolloff=0
wincmd p
redraw
" Note: need a redraw after each scroll, otherwise the test always passes.
for _ in range(2)
normal! G
redraw
call assert_equal(40, winsaveview().topline)
call assert_equal(19, winsaveview().topfill)
exe "normal! \<C-B>"
redraw
call assert_equal(22, winsaveview().topline)
call assert_equal(0, winsaveview().topfill)
exe "normal! \<C-B>"
redraw
call assert_equal(4, winsaveview().topline)
call assert_equal(0, winsaveview().topfill)
exe "normal! \<C-B>"
redraw
call assert_equal(1, winsaveview().topline)
call assert_equal(0, winsaveview().topfill)
set smoothscroll
endfor
set smoothscroll&
%bwipe!
endfunc
" This was trying to update diffs for a buffer being closed
func Test_diff_only()
silent! lfile
set diff
lopen
norm o
silent! norm o
set nodiff
%bwipe!
endfunc
" This was causing invalid diff block values
" FIXME: somehow this causes a valgrind error when run directly but not when
" run as a test.
func Test_diff_manipulations()
set diff
split 0
sil! norm R doobdeuR doobdeuR doobdeu
set nodiff
%bwipe!
endfunc
" This was causing the line number in the diff block to go below one.
" FIXME: somehow this causes a valgrind error when run directly but not when
" run as a test.
func Test_diff_put_and_undo()
set diff
next 0
split 00
sil! norm o0gguudpo0ggJuudp
bwipe!
bwipe!
set nodiff
endfunc
" Test for the diff() function
def Test_diff_func()
# string is added/removed/modified at the beginning
assert_equal("@@ -0,0 +1 @@\n+abc\n",
diff(['def'], ['abc', 'def'], {output: 'unified'}))
assert_equal([{from_idx: 0, from_count: 0, to_idx: 0, to_count: 1}],
diff(['def'], ['abc', 'def'], {output: 'indices'}))
assert_equal("@@ -1 +0,0 @@\n-abc\n",
diff(['abc', 'def'], ['def'], {output: 'unified'}))
assert_equal([{from_idx: 0, from_count: 1, to_idx: 0, to_count: 0}],
diff(['abc', 'def'], ['def'], {output: 'indices'}))
assert_equal("@@ -1 +1 @@\n-abc\n+abx\n",
diff(['abc', 'def'], ['abx', 'def'], {output: 'unified'}))
assert_equal([{from_idx: 0, from_count: 1, to_idx: 0, to_count: 1}],
diff(['abc', 'def'], ['abx', 'def'], {output: 'indices'}))
# string is added/removed/modified at the end
assert_equal("@@ -1,0 +2 @@\n+def\n",
diff(['abc'], ['abc', 'def'], {output: 'unified'}))
assert_equal([{from_idx: 1, from_count: 0, to_idx: 1, to_count: 1}],
diff(['abc'], ['abc', 'def'], {output: 'indices'}))
assert_equal("@@ -2 +1,0 @@\n-def\n",
diff(['abc', 'def'], ['abc'], {output: 'unified'}))
assert_equal([{from_idx: 1, from_count: 1, to_idx: 1, to_count: 0}],
diff(['abc', 'def'], ['abc'], {output: 'indices'}))
assert_equal("@@ -2 +2 @@\n-def\n+xef\n",
diff(['abc', 'def'], ['abc', 'xef'], {output: 'unified'}))
assert_equal([{from_idx: 1, from_count: 1, to_idx: 1, to_count: 1}],
diff(['abc', 'def'], ['abc', 'xef'], {output: 'indices'}))
# string is added/removed/modified in the middle
assert_equal("@@ -2,0 +3 @@\n+xxx\n",
diff(['111', '222', '333'], ['111', '222', 'xxx', '333'], {output: 'unified'}))
assert_equal([{from_idx: 2, from_count: 0, to_idx: 2, to_count: 1}],
diff(['111', '222', '333'], ['111', '222', 'xxx', '333'], {output: 'indices'}))
assert_equal("@@ -3 +2,0 @@\n-333\n",
diff(['111', '222', '333', '444'], ['111', '222', '444'], {output: 'unified'}))
assert_equal([{from_idx: 2, from_count: 1, to_idx: 2, to_count: 0}],
diff(['111', '222', '333', '444'], ['111', '222', '444'], {output: 'indices'}))
assert_equal("@@ -3 +3 @@\n-333\n+xxx\n",
diff(['111', '222', '333', '444'], ['111', '222', 'xxx', '444'], {output: 'unified'}))
assert_equal([{from_idx: 2, from_count: 1, to_idx: 2, to_count: 1}],
diff(['111', '222', '333', '444'], ['111', '222', 'xxx', '444'], {output: 'indices'}))
# new strings are added to an empty List
assert_equal("@@ -0,0 +1,2 @@\n+abc\n+def\n",
diff([], ['abc', 'def'], {output: 'unified'}))
assert_equal([{from_idx: 0, from_count: 0, to_idx: 0, to_count: 2}],
diff([], ['abc', 'def'], {output: 'indices'}))
# all the strings are removed from a List
assert_equal("@@ -1,2 +0,0 @@\n-abc\n-def\n",
diff(['abc', 'def'], [], {output: 'unified'}))
assert_equal([{from_idx: 0, from_count: 2, to_idx: 0, to_count: 0}],
diff(['abc', 'def'], [], {output: 'indices'}))
# First character is added/removed/different
assert_equal("@@ -1 +1 @@\n-abc\n+bc\n",
diff(['abc'], ['bc'], {output: 'unified'}))
assert_equal([{from_idx: 0, from_count: 1, to_idx: 0, to_count: 1}],
diff(['abc'], ['bc'], {output: 'indices'}))
assert_equal("@@ -1 +1 @@\n-bc\n+abc\n",
diff(['bc'], ['abc'], {output: 'unified'}))
assert_equal([{from_idx: 0, from_count: 1, to_idx: 0, to_count: 1}],
diff(['bc'], ['abc'], {output: 'indices'}))
assert_equal("@@ -1 +1 @@\n-abc\n+xbc\n",
diff(['abc'], ['xbc'], {output: 'unified'}))
assert_equal([{from_idx: 0, from_count: 1, to_idx: 0, to_count: 1}],
diff(['abc'], ['xbc'], {output: 'indices'}))
# Last character is added/removed/different
assert_equal("@@ -1 +1 @@\n-abc\n+abcd\n",
diff(['abc'], ['abcd'], {output: 'unified'}))
assert_equal([{from_idx: 0, from_count: 1, to_idx: 0, to_count: 1}],
diff(['abc'], ['abcd'], {output: 'indices'}))
assert_equal("@@ -1 +1 @@\n-abcd\n+abc\n",
diff(['abcd'], ['abc'], {output: 'unified'}))
assert_equal([{from_idx: 0, from_count: 1, to_idx: 0, to_count: 1}],
diff(['abcd'], ['abc'], {output: 'indices'}))
var diff_unified: string = diff(['abc'], ['abx'], {output: 'unified'})
assert_equal("@@ -1 +1 @@\n-abc\n+abx\n", diff_unified)
var diff_indices: list<dict<number>> =
diff(['abc'], ['abx'], {output: 'indices'})
assert_equal([{from_idx: 0, from_count: 1, to_idx: 0, to_count: 1}],
diff_indices)
# partial string modification at the start and at the end.
var fromlist =<< trim END
one two
three four
five six
END
var tolist =<< trim END
one
six
END
assert_equal("@@ -1,3 +1,2 @@\n-one two\n-three four\n-five six\n+one\n+six\n", diff(fromlist, tolist, {output: 'unified'}))
assert_equal([{from_idx: 0, from_count: 3, to_idx: 0, to_count: 2}],
diff(fromlist, tolist, {output: 'indices'}))
# non-contiguous modifications
fromlist =<< trim END
one two
three four
five abc six
END
tolist =<< trim END
one abc two
three four
five six
END
assert_equal("@@ -1 +1 @@\n-one two\n+one abc two\n@@ -3 +3 @@\n-five abc six\n+five six\n",
diff(fromlist, tolist, {output: 'unified'}))
assert_equal([{'from_count': 1, 'to_idx': 0, 'to_count': 1, 'from_idx': 0},
{'from_count': 1, 'to_idx': 2, 'to_count': 1, 'from_idx': 2}],
diff(fromlist, tolist, {output: 'indices'}))
# add/remove blank lines
assert_equal("@@ -2,2 +1,0 @@\n-\n-\n",
diff(['one', '', '', 'two'], ['one', 'two'], {output: 'unified'}))
assert_equal([{from_idx: 1, from_count: 2, to_idx: 1, to_count: 0}],
diff(['one', '', '', 'two'], ['one', 'two'], {output: 'indices'}))
assert_equal("@@ -1,0 +2,2 @@\n+\n+\n",
diff(['one', 'two'], ['one', '', '', 'two'], {output: 'unified'}))
assert_equal([{'from_idx': 1, 'from_count': 0, 'to_idx': 1, 'to_count': 2}],
diff(['one', 'two'], ['one', '', '', 'two'], {output: 'indices'}))
# diff ignoring case
assert_equal('', diff(['abc', 'def'], ['ABC', 'DEF'], {icase: true, output: 'unified'}))
assert_equal([], diff(['abc', 'def'], ['ABC', 'DEF'], {icase: true, output: 'indices'}))
# diff ignoring all whitespace changes except leading whitespace changes
assert_equal('', diff(['abc def'], ['abc def '], {iwhite: true}))
assert_equal("@@ -1 +1 @@\n- abc\n+ xxx\n", diff([' abc'], [' xxx'], {iwhite: v:true}))
assert_equal("@@ -1 +1 @@\n- abc\n+ xxx\n", diff([' abc'], [' xxx'], {iwhite: v:false}))
assert_equal("@@ -1 +1 @@\n-abc \n+xxx \n", diff(['abc '], ['xxx '], {iwhite: v:true}))
assert_equal("@@ -1 +1 @@\n-abc \n+xxx \n", diff(['abc '], ['xxx '], {iwhite: v:false}))
# diff ignoring all whitespace changes
assert_equal('', diff(['abc def'], [' abc def '], {iwhiteall: true}))
assert_equal("@@ -1 +1 @@\n- abc \n+ xxx \n", diff([' abc '], [' xxx '], {iwhiteall: v:true}))
assert_equal("@@ -1 +1 @@\n- abc \n+ xxx \n", diff([' abc '], [' xxx '], {iwhiteall: v:false}))
# diff ignoring trailing whitespace changes
assert_equal('', diff(['abc'], ['abc '], {iwhiteeol: true}))
# diff ignoring blank lines
assert_equal('', diff(['one', '', '', 'two'], ['one', 'two'], {iblank: true}))
assert_equal('', diff(['one', 'two'], ['one', '', '', 'two'], {iblank: true}))
# same string
assert_equal('', diff(['abc', 'def', 'ghi'], ['abc', 'def', 'ghi']))
assert_equal('', diff([''], ['']))
assert_equal('', diff([], []))
# different xdiff algorithms
for algo in ['myers', 'minimal', 'patience', 'histogram']
assert_equal("@@ -1 +1 @@\n- abc \n+ xxx \n",
diff([' abc '], [' xxx '], {algorithm: algo, output: 'unified'}))
assert_equal([{from_idx: 0, from_count: 1, to_idx: 0, to_count: 1}],
diff([' abc '], [' xxx '], {algorithm: algo, output: 'indices'}))
endfor
assert_equal("@@ -1 +1 @@\n- abc \n+ xxx \n",
diff([' abc '], [' xxx '], {indent-heuristic: true, output: 'unified'}))
assert_equal([{from_idx: 0, from_count: 1, to_idx: 0, to_count: 1}],
diff([' abc '], [' xxx '], {indent-heuristic: true, output: 'indices'}))
# identical strings
assert_equal('', diff(['111', '222'], ['111', '222'], {output: 'unified'}))
assert_equal([], diff(['111', '222'], ['111', '222'], {output: 'indices'}))
assert_equal('', diff([], [], {output: 'unified'}))
assert_equal([], diff([], [], {output: 'indices'}))
# If 'diffexpr' is set, it should not be used for diff()
def MyDiffExpr()
enddef
var save_diffexpr = &diffexpr
:set diffexpr=MyDiffExpr()
assert_equal("@@ -1 +1 @@\n-abc\n+\n",
diff(['abc'], [''], {output: 'unified'}))
assert_equal([{'from_idx': 0, 'from_count': 1, 'to_idx': 0, 'to_count': 1}],
diff(['abc'], [''], {output: 'indices'}))
assert_equal('MyDiffExpr()', &diffexpr)
&diffexpr = save_diffexpr
# try different values for unified diff 'context'
assert_equal("@@ -0,0 +1 @@\n+x\n",
diff(['a', 'b', 'c'], ['x', 'a', 'b', 'c']))
assert_equal("@@ -0,0 +1 @@\n+x\n",
diff(['a', 'b', 'c'], ['x', 'a', 'b', 'c'], {context: 0}))
assert_equal("@@ -1 +1,2 @@\n+x\n a\n",
diff(['a', 'b', 'c'], ['x', 'a', 'b', 'c'], {context: 1}))
assert_equal("@@ -1,2 +1,3 @@\n+x\n a\n b\n",
diff(['a', 'b', 'c'], ['x', 'a', 'b', 'c'], {context: 2}))
assert_equal("@@ -1,3 +1,4 @@\n+x\n a\n b\n c\n",
diff(['a', 'b', 'c'], ['x', 'a', 'b', 'c'], {context: 3}))
assert_equal("@@ -1,3 +1,4 @@\n+x\n a\n b\n c\n",
diff(['a', 'b', 'c'], ['x', 'a', 'b', 'c'], {context: 4}))
assert_equal("@@ -0,0 +1 @@\n+x\n",
diff(['a', 'b', 'c'], ['x', 'a', 'b', 'c'], {context: -1}))
# Error cases
assert_fails('call diff({}, ["a"])', 'E1211:')
assert_fails('call diff(["a"], {})', 'E1211:')
assert_fails('call diff(["a"], ["a"], [])', 'E1206:')
assert_fails('call diff(["a"], ["a"], {output: "xyz"})', 'E106: Unsupported diff output format: xyz')
assert_fails('call diff(["a"], ["a"], {context: []})', 'E745: Using a List as a Number')
enddef
" Test for using the diff() function with 'diffexpr'
func Test_diffexpr_with_diff_func()
CheckScreendump
let lines =<< trim END
def DiffFuncExpr()
var in: list<string> = readfile(v:fname_in)
var new: list<string> = readfile(v:fname_new)
var out: string = diff(in, new)
writefile(split(out, "\n"), v:fname_out)
enddef
set diffexpr=DiffFuncExpr()
edit Xdifffunc1.txt
diffthis
vert split Xdifffunc2.txt
diffthis
END
call writefile(lines, 'XsetupDiffFunc.vim', 'D')
call writefile(['zero', 'one', 'two', 'three'], 'Xdifffunc1.txt', 'D')
call writefile(['one', 'twox', 'three', 'four'], 'Xdifffunc2.txt', 'D')
let buf = RunVimInTerminal('-S XsetupDiffFunc.vim', {'rows': 12})
call VerifyScreenDump(buf, 'Test_difffunc_diffexpr_1', {})
call StopVimInTerminal(buf)
endfunc
func Test_diff_toggle_wrap_skipcol_leftcol()
61vnew
call setline(1, 'Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.')
30vnew
call setline(1, 'ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.')
let win1 = win_getid()
setlocal smoothscroll
exe "normal! $\<C-E>"
wincmd l
let win2 = win_getid()
setlocal smoothscroll
exe "normal! $\<C-E>"
call assert_equal([
\ '<<<sadipscing elitr, sed diam |<<<tetur sadipscing elitr, sed|',
\ 'nonumy eirmod tempor invidunt | diam nonumy eirmod tempor inv|',
\ 'ut labore et dolore magna aliq|idunt ut labore et dolore magn|',
\ 'uyam erat, sed diam voluptua. |a aliquyam erat, sed diam volu|',
\ '~ |ptua. |',
\ ], ScreenLines([1, 5], 62))
call assert_equal({'col': 29, 'row': 4, 'endcol': 29, 'curscol': 29},
\ screenpos(win1, line('.', win1), col('.', win1)))
call assert_equal({'col': 36, 'row': 5, 'endcol': 36, 'curscol': 36},
\ screenpos(win2, line('.', win2), col('.', win2)))
wincmd h
diffthis
wincmd l
diffthis
normal! 0
call assert_equal([
\ ' ipsum dolor sit amet, conset| Lorem ipsum dolor sit amet, |',
\ '~ |~ |',
\ ], ScreenLines([1, 2], 62))
call assert_equal({'col': 3, 'row': 1, 'endcol': 3, 'curscol': 3},
\ screenpos(win1, line('.', win1), col('.', win1)))
call assert_equal({'col': 34, 'row': 1, 'endcol': 34, 'curscol': 34},
\ screenpos(win2, line('.', win2), col('.', win2)))
normal! $
call assert_equal([
\ ' voluptua. | diam voluptua. |',
\ '~ |~ |',
\ ], ScreenLines([1, 2], 62))
call assert_equal({'col': 11, 'row': 1, 'endcol': 11, 'curscol': 11},
\ screenpos(win1, line('.', win1), col('.', win1)))
call assert_equal({'col': 48, 'row': 1, 'endcol': 48, 'curscol': 48},
\ screenpos(win2, line('.', win2), col('.', win2)))
diffoff!
call assert_equal([
\ 'ipsum dolor sit amet, consetet|Lorem ipsum dolor sit amet, co|',
\ 'ur sadipscing elitr, sed diam |nsetetur sadipscing elitr, sed|',
\ 'nonumy eirmod tempor invidunt | diam nonumy eirmod tempor inv|',
\ 'ut labore et dolore magna aliq|idunt ut labore et dolore magn|',
\ 'uyam erat, sed diam voluptua. |a aliquyam erat, sed diam volu|',
\ '~ |ptua. |',
\ ], ScreenLines([1, 6], 62))
call assert_equal({'col': 29, 'row': 5, 'endcol': 29, 'curscol': 29},
\ screenpos(win1, line('.', win1), col('.', win1)))
call assert_equal({'col': 36, 'row': 6, 'endcol': 36, 'curscol': 36},
\ screenpos(win2, line('.', win2), col('.', win2)))
bwipe!
bwipe!
endfunc
" Ctrl-D reveals filler lines below the last line in the buffer.
func Test_diff_eob_halfpage()
new
call setline(1, ['']->repeat(10) + ['a'])
diffthis
new
call setline(1, ['']->repeat(3) + ['a', 'b'])
diffthis
resize 5
wincmd j
resize 5
norm G
call assert_equal(7, line('w0'))
exe "norm! \<C-D>"
call assert_equal(8, line('w0'))
%bwipe!
endfunc
func Test_diff_overlapped_diff_blocks_will_be_merged()
CheckScreendump
let lines =<< trim END
func DiffExprStub()
let txt_in = readfile(v:fname_in)
let txt_new = readfile(v:fname_new)
if txt_in == ["line1"] && txt_new == ["line2"]
call writefile(["1c1"], v:fname_out)
elseif txt_in == readfile("Xdiin1") && txt_new == readfile("Xdinew1")
call writefile(readfile("Xdiout1"), v:fname_out)
elseif txt_in == readfile("Xdiin2") && txt_new == readfile("Xdinew2")
call writefile(readfile("Xdiout2"), v:fname_out)
endif
endfunc
END
call writefile(lines, 'XdiffSetup', 'D')
call WriteDiffFiles(0, [], [])
let buf = RunVimInTerminal('-d -S XdiffSetup Xdifile1 Xdifile2', {})
call term_sendkeys(buf, ":set autoread\<CR>\<c-w>w:set autoread\<CR>\<c-w>w")
call WriteDiffFiles(buf, ["a", "b"], ["x", "x"])
call writefile(["a", "b"], "Xdiin1")
call writefile(["x", "x"], "Xdinew1")
call writefile(["1c1", "2c2"], "Xdiout1")
call term_sendkeys(buf, ":set diffexpr=DiffExprStub()\<CR>:")
call VerifyBoth(buf, "Test_diff_overlapped_2.01", "")
call term_sendkeys(buf, ":set diffexpr&\<CR>:")
call WriteDiffFiles(buf, ["a", "b", "c"], ["x", "c"])
call writefile(["a", "b", "c"], "Xdiin1")
call writefile(["x", "c"], "Xdinew1")
call writefile(["1c1", "2d1"], "Xdiout1")
call term_sendkeys(buf, ":set diffexpr=DiffExprStub()\<CR>:")
call VerifyBoth(buf, "Test_diff_overlapped_2.02", "")
call term_sendkeys(buf, ":set diffexpr&\<CR>:")
call WriteDiffFiles(buf, ["a", "c"], ["x", "x", "c"])
call writefile(["a", "c"], "Xdiin1")
call writefile(["x", "x", "c"], "Xdinew1")
call writefile(["1c1", "1a2"], "Xdiout1")
call term_sendkeys(buf, ":set diffexpr=DiffExprStub()\<CR>:")
call VerifyBoth(buf, "Test_diff_overlapped_2.03", "")
call term_sendkeys(buf, ":set diffexpr&\<CR>:")
call StopVimInTerminal(buf)
wincmd c
call WriteDiffFiles3(0, [], [], [])
let buf = RunVimInTerminal('-d -S XdiffSetup Xdifile1 Xdifile2 Xdifile3', {})
call term_sendkeys(buf, ":set autoread\<CR>\<c-w>w:set autoread\<CR>\<c-w>w:set autoread\<CR>\<c-w>w")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], ["y", "b", "c"])
call VerifyBoth(buf, "Test_diff_overlapped_3.01", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], ["a", "y", "c"])
call VerifyBoth(buf, "Test_diff_overlapped_3.02", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], ["a", "b", "y"])
call VerifyBoth(buf, "Test_diff_overlapped_3.03", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], ["y", "y", "c"])
call VerifyBoth(buf, "Test_diff_overlapped_3.04", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], ["a", "y", "y"])
call VerifyBoth(buf, "Test_diff_overlapped_3.05", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], ["y", "y", "y"])
call VerifyBoth(buf, "Test_diff_overlapped_3.06", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "x"], ["y", "y", "c"])
call VerifyBoth(buf, "Test_diff_overlapped_3.07", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["x", "x", "c"], ["a", "y", "y"])
call VerifyBoth(buf, "Test_diff_overlapped_3.08", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["y", "y", "y", "d", "e"])
call VerifyBoth(buf, "Test_diff_overlapped_3.09", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["y", "y", "y", "y", "e"])
call VerifyBoth(buf, "Test_diff_overlapped_3.10", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["y", "y", "y", "y", "y"])
call VerifyBoth(buf, "Test_diff_overlapped_3.11", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["a", "y", "y", "d", "e"])
call VerifyBoth(buf, "Test_diff_overlapped_3.12", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["a", "y", "y", "y", "e"])
call VerifyBoth(buf, "Test_diff_overlapped_3.13", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["a", "y", "y", "y", "y"])
call VerifyBoth(buf, "Test_diff_overlapped_3.14", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["a", "b", "y", "d", "e"])
call VerifyBoth(buf, "Test_diff_overlapped_3.15", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["a", "b", "y", "y", "e"])
call VerifyBoth(buf, "Test_diff_overlapped_3.16", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["a", "b", "y", "y", "y"])
call VerifyBoth(buf, "Test_diff_overlapped_3.17", "")
call WriteDiffFiles3(buf, ["a", "b"], ["x", "b"], ["y", "y"])
call writefile(["a", "b"], "Xdiin1")
call writefile(["x", "b"], "Xdinew1")
call writefile(["1c1"], "Xdiout1")
call writefile(["a", "b"], "Xdiin2")
call writefile(["y", "y"], "Xdinew2")
call writefile(["1c1", "2c2"], "Xdiout2")
call term_sendkeys(buf, ":set diffexpr=DiffExprStub()\<CR>:")
call VerifyInternal(buf, "Test_diff_overlapped_3.18", "")
call term_sendkeys(buf, ":set diffexpr&\<CR>:")
call WriteDiffFiles3(buf, ["a", "b", "c", "d"], ["x", "b", "x", "d"], ["y", "y", "c", "d"])
call writefile(["a", "b", "c", "d"], "Xdiin1")
call writefile(["x", "b", "x", "d"], "Xdinew1")
call writefile(["1c1", "3c3"], "Xdiout1")
call writefile(["a", "b", "c", "d"], "Xdiin2")
call writefile(["y", "y", "c", "d"], "Xdinew2")
call writefile(["1c1", "2c2"], "Xdiout2")
call term_sendkeys(buf, ":set diffexpr=DiffExprStub()\<CR>:")
call VerifyInternal(buf, "Test_diff_overlapped_3.19", "")
call term_sendkeys(buf, ":set diffexpr&\<CR>:")
call WriteDiffFiles3(buf, ["a", "b", "c", "d"], ["x", "b", "x", "d"], ["y", "y", "y", "d"])
call writefile(["a", "b", "c", "d"], "Xdiin1")
call writefile(["x", "b", "x", "d"], "Xdinew1")
call writefile(["1c1", "3c3"], "Xdiout1")
call writefile(["a", "b", "c", "d"], "Xdiin2")
call writefile(["y", "y", "y", "d"], "Xdinew2")
call writefile(["1c1", "2,3c2,3"], "Xdiout2")
call term_sendkeys(buf, ":set diffexpr=DiffExprStub()\<CR>:")
call VerifyInternal(buf, "Test_diff_overlapped_3.20", "")
call term_sendkeys(buf, ":set diffexpr&\<CR>:")
call WriteDiffFiles3(buf, ["a", "b", "c", "d"], ["x", "b", "x", "d"], ["y", "y", "y", "y"])
call writefile(["a", "b", "c", "d"], "Xdiin1")
call writefile(["x", "b", "x", "d"], "Xdinew1")
call writefile(["1c1", "3c3"], "Xdiout1")
call writefile(["a", "b", "c", "d"], "Xdiin2")
call writefile(["y", "y", "y", "y"], "Xdinew2")
call writefile(["1c1", "2,4c2,4"], "Xdiout2")
call term_sendkeys(buf, ":set diffexpr=DiffExprStub()\<CR>:")
call VerifyInternal(buf, "Test_diff_overlapped_3.21", "")
call term_sendkeys(buf, ":set diffexpr&\<CR>:")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], ["b", "c"])
call VerifyBoth(buf, "Test_diff_overlapped_3.22", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], ["c"])
call VerifyBoth(buf, "Test_diff_overlapped_3.23", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], [])
call VerifyBoth(buf, "Test_diff_overlapped_3.24", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], ["a", "c"])
call VerifyBoth(buf, "Test_diff_overlapped_3.25", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], ["a"])
call VerifyBoth(buf, "Test_diff_overlapped_3.26", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], ["b"])
call VerifyBoth(buf, "Test_diff_overlapped_3.27", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["d", "e"])
call VerifyBoth(buf, "Test_diff_overlapped_3.28", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["e"])
call VerifyBoth(buf, "Test_diff_overlapped_3.29", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["a", "d", "e"])
call VerifyBoth(buf, "Test_diff_overlapped_3.30", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["a", "e"])
call VerifyBoth(buf, "Test_diff_overlapped_3.31", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["a"])
call VerifyBoth(buf, "Test_diff_overlapped_3.32", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["a", "b", "d", "e"])
call VerifyBoth(buf, "Test_diff_overlapped_3.33", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["a", "b", "e"])
call VerifyBoth(buf, "Test_diff_overlapped_3.34", "")
call WriteDiffFiles3(buf, ["a", "b", "c", "d", "e"], ["a", "x", "c", "x", "e"], ["a", "b"])
call VerifyBoth(buf, "Test_diff_overlapped_3.35", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], ["a", "y", "b", "c"])
call VerifyBoth(buf, "Test_diff_overlapped_3.36", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["a", "x", "c"], ["a", "b", "y", "c"])
call VerifyBoth(buf, "Test_diff_overlapped_3.37", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["d", "e"], ["b", "f"])
call VerifyBoth(buf, "Test_diff_overlapped_3.38", "")
call WriteDiffFiles3(buf, ["a", "b", "c"], ["d", "e"], ["b"])
call VerifyBoth(buf, "Test_diff_overlapped_3.39", "")
" File 3 overlaps twice, 2nd overlap completely within the existing block.
call WriteDiffFiles3(buf, ["foo", "a", "b", "c", "bar"], ["foo", "w", "x", "y", "z", "bar"], ["foo", "1", "a", "b", "2", "bar"])
call VerifyBoth(buf, "Test_diff_overlapped_3.40", "")
" File 3 overlaps twice, 2nd overlap extends beyond existing block on new
" side. Make sure we don't over-extend the range and hit 'bar'.
call WriteDiffFiles3(buf, ["foo", "a", "b", "c", "d", "bar"], ["foo", "w", "x", "y", "z", "u", "bar"], ["foo", "1", "a", "b", "2", "d", "bar"])
call VerifyBoth(buf, "Test_diff_overlapped_3.41", "")
" Chained overlaps. File 3's 2nd overlap spans two diff blocks and is longer
" than the 2nd one.
call WriteDiffFiles3(buf, ["foo", "a", "b", "c", "d", "e", "f", "bar"], ["foo", "w", "x", "y", "z", "e", "u", "bar"], ["foo", "1", "b", "2", "3", "d", "4", "f", "bar"])
call VerifyBoth(buf, "Test_diff_overlapped_3.42", "")
" File 3 has 2 overlaps. An add and a delete. First overlap's expansion hits
" the 2nd one. Make sure we adjust the diff block to have fewer lines.
call WriteDiffFiles3(buf, ["foo", "a", "b", "bar"], ["foo", "x", "y", "bar"], ["foo", "1", "a", "bar"])
call VerifyBoth(buf, "Test_diff_overlapped_3.43", "")
" File 3 has 2 overlaps. An add and another add. First overlap's expansion hits
" the 2nd one. Make sure we adjust the diff block to have more lines.
call WriteDiffFiles3(buf, ["foo", "a", "b", "c", "d", "bar"], ["foo", "w", "x", "y", "z", "u", "bar"], ["foo", "1", "a", "b", "3", "4", "d", "bar"])
call VerifyBoth(buf, "Test_diff_overlapped_3.44", "")
call StopVimInTerminal(buf)
endfunc
" switching windows in diff mode caused an unnecessary scroll
func Test_diff_topline_noscroll()
CheckScreendump
let content =<< trim END
call setline(1, range(1,60))
vnew
call setline(1, range(1,10) + range(50,60))
windo diffthis
norm! G
exe "norm! 30\<C-y>"
END
call writefile(content, 'Xcontent', 'D')
let buf = RunVimInTerminal('-S Xcontent', {'rows': 20})
call VerifyScreenDump(buf, 'Test_diff_topline_1', {})
call term_sendkeys(buf, ":echo line('w0', 1001)\<cr>")
call term_wait(buf)
call VerifyScreenDump(buf, 'Test_diff_topline_2', {})
call term_sendkeys(buf, "\<C-W>p")
call term_wait(buf)
call VerifyScreenDump(buf, 'Test_diff_topline_3', {})
call term_sendkeys(buf, "\<C-W>p")
call term_wait(buf)
call VerifyScreenDump(buf, 'Test_diff_topline_4', {})
call StopVimInTerminal(buf)
endfunc
" Test inline highlighting which shows what's different within each diff block
func Test_diff_inline()
CheckScreendump
call WriteDiffFiles(0, [], [])
let buf = RunVimInTerminal('-d Xdifile1 Xdifile2', {})
call term_sendkeys(buf, ":set autoread\<CR>\<c-w>w:set autoread\<CR>\<c-w>w")
call WriteDiffFiles(buf, ["abcdef ghi jk n", "x", "y"], ["aBcef gHi lm n", "y", "z"])
call VerifyInternal(buf, "Test_diff_inline_01", "")
call VerifyInternal(buf, "Test_diff_inline_02", " diffopt+=inline:none")
" inline:simple is the same as default
call VerifyInternal(buf, "Test_diff_inline_01", " diffopt+=inline:simple")
call VerifyInternal(buf, "Test_diff_inline_03", " diffopt+=inline:char")
call VerifyInternal(buf, "Test_diff_inline_04", " diffopt+=inline:word")
" multiple inline values will the last one
call VerifyInternal(buf, "Test_diff_inline_01", " diffopt+=inline:none,inline:char,inline:simple")
call VerifyInternal(buf, "Test_diff_inline_02", " diffopt+=inline:simple,inline:word,inline:none")
call VerifyInternal(buf, "Test_diff_inline_03", " diffopt+=inline:simple,inline:word,inline:char")
" DiffTextAdd highlight
call term_sendkeys(buf, ":hi DiffTextAdd ctermbg=blue\<CR>")
call VerifyInternal(buf, "Test_diff_inline_05", " diffopt+=inline:char")
" Live update in insert mode
call term_sendkeys(buf, "\<Esc>isometext")
call VerifyScreenDump(buf, "Test_diff_inline_06", {})
call term_sendkeys(buf, "\<Esc>u")
" icase simple scenarios
call VerifyInternal(buf, "Test_diff_inline_07", " diffopt+=inline:simple,icase")
call VerifyInternal(buf, "Test_diff_inline_08", " diffopt+=inline:char,icase")
call VerifyInternal(buf, "Test_diff_inline_09", " diffopt+=inline:word,icase")
" diff algorithms should affect highlight
call WriteDiffFiles(buf, ["apples and oranges"], ["oranges and apples"])
call VerifyInternal(buf, "Test_diff_inline_10", " diffopt+=inline:char")
call VerifyInternal(buf, "Test_diff_inline_11", " diffopt+=inline:char,algorithm:patience")
" icase: composing chars and Unicode fold case edge cases
call WriteDiffFiles(buf,
\ ["1 - sigma in 6σ and Ὀδυσσεύς", "1 - angstrom in åå", "1 - composing: ii⃗I⃗"],
\ ["2 - Sigma in 6Σ and ὈΔΥΣΣΕΎΣ", "2 - Angstrom in ÅÅ", "2 - Composing: i⃗I⃗I⃗"])
call VerifyInternal(buf, "Test_diff_inline_12", " diffopt+=inline:char")
call VerifyInternal(buf, "Test_diff_inline_13", " diffopt+=inline:char,icase")
" wide chars
call WriteDiffFiles(buf, ["abc😅xde一", "f🚀g"], ["abcy😢de", "二f🚀g"])
call VerifyInternal(buf, "Test_diff_inline_14", " diffopt+=inline:char,icase")
" NUL char (\n below is internally substituted as NUL)
call WriteDiffFiles(buf, ["1\n34\n5\n6"], ["1234\n5", "6"])
call VerifyInternal(buf, "Test_diff_inline_15", " diffopt+=inline:char")
" word diff: always use first buffer's iskeyword and ignore others' for consistency
call WriteDiffFiles(buf, ["foo+bar test"], ["foo+baz test"])
call VerifyInternal(buf, "Test_diff_inline_word_01", " diffopt+=inline:word")
call term_sendkeys(buf, ":set iskeyword+=+\<CR>:diffupdate\<CR>")
call VerifyInternal(buf, "Test_diff_inline_word_02", " diffopt+=inline:word")
call term_sendkeys(buf, ":set iskeyword&\<CR>:wincmd w\<CR>")
call term_sendkeys(buf, ":set iskeyword+=+\<CR>:wincmd w\<CR>:diffupdate\<CR>")
" Use the previous screen dump as 2nd buffer's iskeyword does not matter
call VerifyInternal(buf, "Test_diff_inline_word_01", " diffopt+=inline:word")
call term_sendkeys(buf, ":windo set iskeyword&\<CR>:1wincmd w\<CR>")
" word diff: test handling of multi-byte characters. Only alphanumeric chars
" (e.g. Greek alphabet, but not CJK/emoji) count as words.
call WriteDiffFiles(buf, ["🚀⛵️一二三ひらがなΔέλτα Δelta foobar"], ["🚀🛸一二四ひらなδέλτα δelta foobar"])
call VerifyInternal(buf, "Test_diff_inline_word_03", " diffopt+=inline:word")
" char diff: should slide highlight to whitespace boundary if possible for
" better readability (by using forced indent-heuristics). A wrong result
" would be if the highlight is "Bar, prefix". It should be "prefixBar, "
" instead.
call WriteDiffFiles(buf, ["prefixFoo, prefixEnd"], ["prefixFoo, prefixBar, prefixEnd"])
call VerifyInternal(buf, "Test_diff_inline_char_01", " diffopt+=inline:char")
" char diff: small gaps between inline diff blocks will be merged during refine step
" - first segment: test that we iteratively merge small gaps after we merged
" adjacent blocks, but only with limited number (set to 4) of iterations.
" - second and third segments: show that we need a large enough adjacent block to
" trigger a merge.
" - fourth segment: small gaps are not merged when adjacent large block is
" on a different line.
call WriteDiffFiles(buf,
\ ["abcdefghijklmno", "anchor1",
\ "abcdefghijklmno", "anchor2",
\ "abcdefghijklmno", "anchor3",
\ "test", "multiline"],
\ ["a?c?e?g?i?k???o", "anchor1",
\ "a??de?????klmno", "anchor2",
\ "a??de??????lmno", "anchor3",
\ "t?s?", "??????i?e"])
call VerifyInternal(buf, "Test_diff_inline_char_02", " diffopt+=inline:char")
" Test multi-line blocks and whitespace
call WriteDiffFiles(buf,
\ ["this is ", "sometest text foo", "baz abc def ", "one", "word another word", "additional line"],
\ ["this is some test", "texts", "foo bar abX Yef ", "oneword another word"])
call VerifyInternal(buf, "Test_diff_inline_multiline_01", " diffopt+=inline:char,iwhite")
call VerifyInternal(buf, "Test_diff_inline_multiline_02", " diffopt+=inline:word,iwhite")
call VerifyInternal(buf, "Test_diff_inline_multiline_03", " diffopt+=inline:char,iwhiteeol")
call VerifyInternal(buf, "Test_diff_inline_multiline_04", " diffopt+=inline:word,iwhiteeol")
call VerifyInternal(buf, "Test_diff_inline_multiline_05", " diffopt+=inline:char,iwhiteall")
call VerifyInternal(buf, "Test_diff_inline_multiline_06", " diffopt+=inline:word,iwhiteall")
" newline should be highlighted too when 'list' is set
call term_sendkeys(buf, ":windo set list\<CR>")
call VerifyInternal(buf, "Test_diff_inline_multiline_07", " diffopt+=inline:char")
call VerifyInternal(buf, "Test_diff_inline_multiline_08", " diffopt+=inline:char,iwhite")
call VerifyInternal(buf, "Test_diff_inline_multiline_09", " diffopt+=inline:char,iwhiteeol")
call VerifyInternal(buf, "Test_diff_inline_multiline_10", " diffopt+=inline:char,iwhiteall")
call term_sendkeys(buf, ":windo set nolist\<CR>")
call StopVimInTerminal(buf)
endfunc
func Test_diff_inline_multibuffer()
CheckScreendump
call WriteDiffFiles3(0, [], [], [])
let buf = RunVimInTerminal('-d Xdifile1 Xdifile2 Xdifile3', {})
call term_sendkeys(buf, ":windo set autoread\<CR>:1wincmd w\<CR>")
call term_sendkeys(buf, ":hi DiffTextAdd ctermbg=blue\<CR>")
call WriteDiffFiles3(buf,
\ ["That is buffer1.", "anchor", "Some random text", "anchor"],
\ ["This is buffer2.", "anchor", "Some text", "anchor", "buffer2/3"],
\ ["This is buffer3. Last.", "anchor", "Some more", "text here.", "anchor", "only in buffer2/3", "not in buffer1"])
call VerifyInternal(buf, "Test_diff_inline_multibuffer_01", " diffopt+=inline:char")
" Close one of the buffers and make sure it updates correctly
call term_sendkeys(buf, ":diffoff\<CR>")
call VerifyInternal(buf, "Test_diff_inline_multibuffer_02", " diffopt+=inline:char")
" Update text in the non-diff buffer and nothing should be changed
call term_sendkeys(buf, "\<Esc>isometext")
call VerifyScreenDump(buf, "Test_diff_inline_multibuffer_03", {})
call term_sendkeys(buf, "\<Esc>u")
call term_sendkeys(buf, ":diffthis\<CR>")
call VerifyInternal(buf, "Test_diff_inline_multibuffer_01", " diffopt+=inline:char")
" Test that removing first buffer from diff will in turn use the next
" earliest buffer's iskeyword during word diff.
call WriteDiffFiles3(buf,
\ ["This+is=a-setence"],
\ ["This+is=another-setence"],
\ ["That+is=a-setence"])
call term_sendkeys(buf, ":set iskeyword+=+\<CR>:2wincmd w\<CR>:set iskeyword+=-\<CR>:1wincmd w\<CR>")
call VerifyInternal(buf, "Test_diff_inline_multibuffer_04", " diffopt+=inline:word")
call term_sendkeys(buf, ":diffoff\<CR>")
call VerifyInternal(buf, "Test_diff_inline_multibuffer_05", " diffopt+=inline:word")
call term_sendkeys(buf, ":diffthis\<CR>")
call VerifyInternal(buf, "Test_diff_inline_multibuffer_04", " diffopt+=inline:word")
" Test multi-buffer char diff refinement, and that removing a buffer from
" diff will update the others properly.
call WriteDiffFiles3(buf,
\ ["abcdefghijkYmYYY"],
\ ["aXXdXXghijklmnop"],
\ ["abcdefghijkYmYop"])
call VerifyInternal(buf, "Test_diff_inline_multibuffer_06", " diffopt+=inline:char")
call term_sendkeys(buf, ":diffoff\<CR>")
call VerifyInternal(buf, "Test_diff_inline_multibuffer_07", " diffopt+=inline:char")
call term_sendkeys(buf, ":diffthis\<CR>")
call VerifyInternal(buf, "Test_diff_inline_multibuffer_06", " diffopt+=inline:char")
call StopVimInTerminal(buf)
endfunc
func Test_diffget_diffput_linematch()
CheckScreendump
call delete('.Xdifile1.swp')
call delete('.Xdifile2.swp')
call WriteDiffFiles(0, [], [])
let buf = RunVimInTerminal('-d Xdifile1 Xdifile2', {})
call term_sendkeys(buf, ":set autoread\<CR>\<c-w>w:set autoread\<CR>\<c-w>w")
" enable linematch
call term_sendkeys(buf, ":set diffopt+=linematch:30\<CR>")
call WriteDiffFiles(buf, ['',
\ 'common line',
\ 'common line',
\ '',
\ 'ABCabc',
\ 'ABCabc',
\ 'ABCabc',
\ 'ABCabc',
\ 'common line',
\ 'common line',
\ 'common line',
\ 'something' ],
\ ['',
\ 'common line',
\ 'common line',
\ '',
\ 'DEFabc',
\ 'xyz',
\ 'xyz',
\ 'xyz',
\ 'DEFabc',
\ 'DEFabc',
\ 'DEFabc',
\ 'common line',
\ 'common line',
\ 'DEF',
\ 'common line',
\ 'DEF',
\ 'something'])
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_1', {})
" get from window 1 from line 5 to 9
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, ":5,9diffget\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_2', {})
" undo the last diffget
call term_sendkeys(buf, "u")
" get from window 2 from line 5 to 10
call term_sendkeys(buf, "2\<c-w>w")
call term_sendkeys(buf, ":5,10diffget\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_3', {})
" undo the last diffget
call term_sendkeys(buf, "u")
" get all from window 2
call term_sendkeys(buf, "2\<c-w>w")
call term_sendkeys(buf, ":4,17diffget\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_4', {})
" undo the last diffget
call term_sendkeys(buf, "u")
" get all from window 1
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, ":4,12diffget\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_5', {})
" undo the last diffget
call term_sendkeys(buf, "u")
" get from window 1 using do 1 line 5
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, "5gg")
call term_sendkeys(buf, ":diffget\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_6', {})
" undo the last diffget
call term_sendkeys(buf, "u")
" get from window 1 using do 2 line 6
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, "6gg")
call term_sendkeys(buf, ":diffget\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_7', {})
" undo the last diffget
call term_sendkeys(buf, "u")
" get from window 1 using do 2 line 7
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, "7gg")
call term_sendkeys(buf, ":diffget\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_8', {})
" undo the last diffget
call term_sendkeys(buf, "u")
" get from window 1 using do 2 line 11
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, "11gg")
call term_sendkeys(buf, ":diffget\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_9', {})
" undo the last diffget
call term_sendkeys(buf, "u")
" get from window 1 using do 2 line 12
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, "12gg")
call term_sendkeys(buf, ":diffget\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_10', {})
" undo the last diffget
call term_sendkeys(buf, "u")
" put from window 1 using dp 1 line 5
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, "5gg")
call term_sendkeys(buf, ":diffput\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_11', {})
" undo the last diffput
call term_sendkeys(buf, "2\<c-w>w")
call term_sendkeys(buf, "u")
" put from window 1 using dp 2 line 6
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, "6gg")
call term_sendkeys(buf, ":diffput\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_12', {})
" undo the last diffput
call term_sendkeys(buf, "2\<c-w>w")
call term_sendkeys(buf, "u")
" put from window 1 using dp 2 line 7
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, "7gg")
call term_sendkeys(buf, ":diffput\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_13', {})
" undo the last diffput
call term_sendkeys(buf, "2\<c-w>w")
call term_sendkeys(buf, "u")
" put from window 1 using dp 2 line 11
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, "11gg")
call term_sendkeys(buf, ":diffput\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_14', {})
" undo the last diffput
call term_sendkeys(buf, "2\<c-w>w")
call term_sendkeys(buf, "u")
" put from window 1 using dp 2 line 12
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, "12gg")
call term_sendkeys(buf, ":diffput\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_15', {})
" undo the last diffput
call term_sendkeys(buf, "2\<c-w>w")
call term_sendkeys(buf, "u")
" put from window 2 using dp line 6
call term_sendkeys(buf, "2\<c-w>w")
call term_sendkeys(buf, "6gg")
call term_sendkeys(buf, ":diffput\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_16', {})
" undo the last diffput
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, "u")
" put from window 2 using dp line 8
call term_sendkeys(buf, "2\<c-w>w")
call term_sendkeys(buf, "8gg")
call term_sendkeys(buf, ":diffput\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_17', {})
" undo the last diffput
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, "u")
" put from window 2 using dp line 9
call term_sendkeys(buf, "2\<c-w>w")
call term_sendkeys(buf, "9gg")
call term_sendkeys(buf, ":diffput\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_18', {})
" undo the last diffput
call term_sendkeys(buf, "1\<c-w>w")
call term_sendkeys(buf, "u")
" put from window 2 using dp line 17
call term_sendkeys(buf, "2\<c-w>w")
call term_sendkeys(buf, "17gg")
call term_sendkeys(buf, ":diffput\<CR>")
call VerifyScreenDump(buf, 'Test_diff_get_put_linematch_19', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func Test_linematch_diff()
CheckScreendump
call delete('.Xdifile1.swp')
call delete('.Xdifile2.swp')
call WriteDiffFiles(0, [], [])
let buf = RunVimInTerminal('-d Xdifile1 Xdifile2', {})
call term_sendkeys(buf, ":set autoread\<CR>\<c-w>w:set autoread\<CR>\<c-w>w")
" enable linematch
call term_sendkeys(buf, ":set diffopt+=linematch:30\<CR>")
call WriteDiffFiles(buf, ['// abc d?',
\ '// d?',
\ '// d?' ],
\ ['!',
\ 'abc d!',
\ 'd!'])
call VerifyScreenDump(buf, 'Test_linematch_diff1', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func Test_linematch_diff_iwhite()
CheckScreendump
call delete('.Xdifile1.swp')
call delete('.Xdifile2.swp')
call WriteDiffFiles(0, [], [])
let buf = RunVimInTerminal('-d Xdifile1 Xdifile2', {})
call term_sendkeys(buf, ":set autoread\<CR>\<c-w>w:set autoread\<CR>\<c-w>w")
" setup a diff with 2 files and set linematch:30, with ignore white
call term_sendkeys(buf, ":set diffopt+=linematch:30\<CR>")
call WriteDiffFiles(buf, ['void testFunction () {',
\ ' for (int i = 0; i < 10; i++) {',
\ ' for (int j = 0; j < 10; j++) {',
\ ' }',
\ ' }',
\ '}' ],
\ ['void testFunction () {',
\ ' // for (int j = 0; j < 10; i++) {',
\ ' // }',
\ '}'])
call VerifyScreenDump(buf, 'Test_linematch_diff_iwhite1', {})
call term_sendkeys(buf, ":set diffopt+=iwhiteall\<CR>")
call VerifyScreenDump(buf, 'Test_linematch_diff_iwhite2', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func Test_linematch_diff_grouping()
CheckScreendump
call delete('.Xdifile1.swp')
call delete('.Xdifile2.swp')
call WriteDiffFiles(0, [], [])
let buf = RunVimInTerminal('-d Xdifile1 Xdifile2', {})
call term_sendkeys(buf, ":set autoread\<CR>\<c-w>w:set autoread\<CR>\<c-w>w")
" a diff that would result in multiple groups before grouping optimization
call term_sendkeys(buf, ":set diffopt+=linematch:30\<CR>")
call WriteDiffFiles(buf, ['!A',
\ '!B',
\ '!C' ],
\ ['?Z',
\ '?A',
\ '?B',
\ '?C',
\ '?A',
\ '?B',
\ '?B',
\ '?C'])
call VerifyScreenDump(buf, 'Test_linematch_diff_grouping1', {})
call WriteDiffFiles(buf, ['!A',
\ '!B',
\ '!C' ],
\ ['?A',
\ '?Z',
\ '?B',
\ '?C',
\ '?A',
\ '?B',
\ '?C',
\ '?C'])
call VerifyScreenDump(buf, 'Test_linematch_diff_grouping2', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func Test_linematch_diff_scroll()
CheckScreendump
call delete('.Xdifile1.swp')
call delete('.Xdifile2.swp')
call WriteDiffFiles(0, [], [])
let buf = RunVimInTerminal('-d Xdifile1 Xdifile2', {})
call term_sendkeys(buf, ":set autoread\<CR>\<c-w>w:set autoread\<CR>\<c-w>w")
" a diff that would result in multiple groups before grouping optimization
call term_sendkeys(buf, ":set diffopt+=linematch:30\<CR>")
call WriteDiffFiles(buf, ['!A',
\ '!B',
\ '!C' ],
\ ['?A',
\ '?Z',
\ '?B',
\ '?C',
\ '?A',
\ '?B',
\ '?C',
\ '?C'])
" scroll down to show calculation of top fill and scroll to correct line in
" both windows
call VerifyScreenDump(buf, 'Test_linematch_diff_grouping_scroll0', {})
call term_sendkeys(buf, "3\<c-e>")
call VerifyScreenDump(buf, 'Test_linematch_diff_grouping_scroll1', {})
call term_sendkeys(buf, "3\<c-e>")
call VerifyScreenDump(buf, 'Test_linematch_diff_grouping_scroll2', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func Test_linematch_line_limit_exceeded()
CheckScreendump
call delete('.Xdifile1.swp')
call delete('.Xdifile2.swp')
call WriteDiffFiles(0, [], [])
let buf = RunVimInTerminal('-d Xdifile1 Xdifile2', {})
call term_sendkeys(buf, ":set autoread\<CR>\<c-w>w:set autoread\<CR>\<c-w>w")
call term_sendkeys(buf, ":set diffopt+=linematch:10\<CR>")
" a diff block will not be aligned with linematch because it's contents
" exceed 10 lines
call WriteDiffFiles(buf,
\ ['common line',
\ 'HIL',
\ '',
\ 'aABCabc',
\ 'aABCabc',
\ 'aABCabc',
\ 'aABCabc',
\ 'common line',
\ 'HIL',
\ 'common line',
\ 'something'],
\ ['common line',
\ 'DEF',
\ 'GHI',
\ 'something',
\ '',
\ 'aDEFabc',
\ 'xyz',
\ 'xyz',
\ 'xyz',
\ 'aDEFabc',
\ 'aDEFabc',
\ 'aDEFabc',
\ 'common line',
\ 'DEF',
\ 'GHI',
\ 'something else',
\ 'common line',
\ 'something'])
call VerifyScreenDump(buf, 'Test_linematch_line_limit_exceeded1', {})
" after increasing the count to 30, the limit is not exceeded, and the
" alignment algorithm will run on the largest diff block here
call term_sendkeys(buf, ":set diffopt+=linematch:30\<CR>")
call VerifyScreenDump(buf, 'Test_linematch_line_limit_exceeded2', {})
" clean up
call StopVimInTerminal(buf)
endfunc
func Test_linematch_3diffs()
CheckScreendump
call delete('.Xdifile1.swp')
call delete('.Xdifile2.swp')
call delete('.Xdifile3.swp')
call WriteDiffFiles3(0, [], [], [])
let buf = RunVimInTerminal('-d Xdifile1 Xdifile2 Xdifile3', {})
call term_sendkeys(buf, "1\<c-w>w:set autoread\<CR>")
call term_sendkeys(buf, "2\<c-w>w:set autoread\<CR>")
call term_sendkeys(buf, "3\<c-w>w:set autoread\<CR>")
call term_sendkeys(buf, ":set diffopt+=linematch:30\<CR>")
call WriteDiffFiles3(buf,
\ ["",
\ " common line",
\ " AAA",
\ " AAA",
\ " AAA"],
\ ["",
\ " common line",
\ " <<<<<<< HEAD",
\ " AAA",
\ " AAA",
\ " AAA",
\ " =======",
\ " BBB",
\ " BBB",
\ " BBB",
\ " >>>>>>> branch1"],
\ ["",
\ " common line",
\ " BBB",
\ " BBB",
\ " BBB"])
call VerifyScreenDump(buf, 'Test_linematch_3diffs1', {})
" clean up
call StopVimInTerminal(buf)
endfunc
" this used to access invalid memory
func Test_linematch_3diffs_sanity_check()
CheckScreendump
call delete('.Xfile_linematch1.swp')
call delete('.Xfile_linematch2.swp')
call delete('.Xfile_linematch3.swp')
let lines =<< trim END
set diffopt+=linematch:60
call feedkeys("Aq\<esc>")
call feedkeys("GAklm\<esc>")
call feedkeys("o")
END
call writefile(lines, 'Xlinematch_3diffs.vim', 'D')
call writefile(['abcd', 'def', 'hij'], 'Xfile_linematch1', 'D')
call writefile(['defq', 'hijk', 'nopq'], 'Xfile_linematch2', 'D')
call writefile(['hijklm', 'nopqr', 'stuv'], 'Xfile_linematch3', 'D')
call WriteDiffFiles3(0, [], [], [])
let buf = RunVimInTerminal('-d -S Xlinematch_3diffs.vim Xfile_linematch1 Xfile_linematch2 Xfile_linematch3', {})
call VerifyScreenDump(buf, 'Test_linematch_3diffs2', {})
" clean up
call StopVimInTerminal(buf)
endfunc
" vim: shiftwidth=2 sts=2 expandtab