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Diffstat (limited to 'src/testdir/test_diffmode.vim')
| -rw-r--r-- | src/testdir/test_diffmode.vim | 1630 |
1 files changed, 1630 insertions, 0 deletions
diff --git a/src/testdir/test_diffmode.vim b/src/testdir/test_diffmode.vim new file mode 100644 index 0000000..d9ffbb3 --- /dev/null +++ b/src/testdir/test_diffmode.vim @@ -0,0 +1,1630 @@ +" Tests for diff mode + +source shared.vim +source screendump.vim +source check.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 + +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, '$')) + bwipe! a + bwipe! b +endfunc + +" Test for :diffget/:diffput with a range that is inside a diff chunk +func Test_diffget_diffput_range() + call setline(1, range(1, 10)) + new + call setline(1, range(11, 20)) + windo diffthis + 3,5diffget + call assert_equal(['13', '14', '15'], getline(3, 5)) + call setline(1, range(1, 10)) + 4,8diffput + wincmd p + call assert_equal(['13', '4', '5', '6', '7', '8', '19'], getline(3, 9)) + %bw! +endfunc + +" Test for :diffget/:diffput with an empty buffer and a non-empty buffer +func Test_diffget_diffput_empty_buffer() + %d _ + new + call setline(1, 'one') + windo diffthis + diffget + call assert_equal(['one'], getline(1, '$')) + %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#ve']) + redraw + let normattr = screenattr(1, 1) + diffthis + + botright vert new two + call setline(1, ['one', 'TWO', 'Three ', 'Four', 'fI=VE']) + 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)) + + let dtextattr = screenattr(5, 3) + call assert_notequal(dtextattr, screenattr(5, 1)) + call assert_notequal(dtextattr, screenattr(5, 5)) + + 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 + +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]) + diffthis + vnew + call setline(1, ['1x', 2, 'x', 3]) + 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("") + + 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 + +" Verify a screendump with both the internal and external diff. +func VerifyBoth(buf, dumpfile, extra) + " 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) + 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() + 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 19: test diffopt+=iwhiteall + call VerifyInternal(buf, 'Test_diff_20', " diffopt+=iwhiteall") + + " 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 + + call writefile([ + \ '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', + \ ], '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_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) + only! +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 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 + + +" vim: shiftwidth=2 sts=2 expandtab |