812 func WriteDiffFiles(buf, list1, list2)  argument
815   if a:buf
816     call term_sendkeys(a:buf, ":checktime\<CR>")
821 func VerifyBoth(buf, dumpfile, extra)  argument
824     call term_sendkeys(a:buf, cmd)
825     if VerifyScreenDump(a:buf, a:dumpfile, {}, cmd =~ 'internal' ? 'internal' : 'external')
832   call term_sendkeys(a:buf, ":call SetupUnified()\<CR>:")
833   call term_sendkeys(a:buf, ":redraw!\<CR>:")
834   call VerifyScreenDump(a:buf, a:dumpfile, {}, 'unified')
835   call term_sendkeys(a:buf, ":call StopUnified()\<CR>:")
839 func VerifyInternal(buf, dumpfile, extra)  argument
840   call term_sendkeys(a:buf, ":diffupdate!\<CR>")
842   call term_sendkeys(a:buf, ":set diffopt=internal,filler" . a:extra . "\<CR>:")
843   call TermWait(a:buf)
844   call VerifyScreenDump(a:buf, a:dumpfile, {})
874   let buf = RunVimInTerminal('-d -S XdiffSetup Xfile1 Xfile2', {})
877   call term_sendkeys(buf, ":set autoread\<CR>\<c-w>w:set autoread\<CR>\<c-w>w")
879   call VerifyBoth(buf, 'Test_diff_01', '')
882   call WriteDiffFiles(buf, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
883   call VerifyBoth(buf, 'Test_diff_02', '')
886   call WriteDiffFiles(buf, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11])
887   call VerifyBoth(buf, 'Test_diff_03', '')
890   call WriteDiffFiles(buf, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11], [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
891   call VerifyBoth(buf, 'Test_diff_04', '')
894   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])
895   call VerifyBoth(buf, 'Test_diff_05', '')
898   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])
899   call VerifyBoth(buf, 'Test_diff_06', '')
902   call term_sendkeys(buf, ":set diffopt+=context:2\<cr>")
903   call VerifyScreenDump(buf, 'Test_diff_06.2', {})
904   call term_sendkeys(buf, ":set diffopt-=context:2\<cr>")
905   call term_sendkeys(buf, ":set diffopt+=context:1\<cr>")
906   call VerifyScreenDump(buf, 'Test_diff_06.1', {})
907   call term_sendkeys(buf, ":set diffopt-=context:1\<cr>")
908   call term_sendkeys(buf, ":set diffopt+=context:0\<cr>")
909   call VerifyScreenDump(buf, 'Test_diff_06.0', {})
910   call term_sendkeys(buf, ":set diffopt-=context:0\<cr>")
913 …call WriteDiffFiles(buf, ['#include <stdio.h>', '', '// Frobs foo heartily', 'int frobnitz(int foo…
923   call term_sendkeys(buf, ":diffupdate!\<cr>")
924   call term_sendkeys(buf, ":set diffopt+=internal\<cr>")
925   call VerifyScreenDump(buf, 'Test_diff_07', {})
927   call term_sendkeys(buf, ":set diffopt+=algorithm:patience\<cr>")
928   call VerifyScreenDump(buf, 'Test_diff_08', {})
930   call term_sendkeys(buf, ":set diffopt+=algorithm:histogram\<cr>")
931   call VerifyScreenDump(buf, 'Test_diff_09', {})
934   call term_sendkeys(buf, ":set diffopt&vim\<cr>")
935 …call WriteDiffFiles(buf, ['', '  def finalize(values)', '', '    values.each do |v|', '      v.fin…
938   call term_sendkeys(buf, ":diffupdate!\<cr>")
939   call term_sendkeys(buf, ":set diffopt+=internal\<cr>")
940   call VerifyScreenDump(buf, 'Test_diff_10', {})
943   call term_sendkeys(buf, ":set diffopt+=indent-heuristic\<cr>:\<cr>")
944   call VerifyScreenDump(buf, 'Test_diff_11', {}, 'one')
946   call term_sendkeys(buf, ":set diffopt&\<cr>")
947   call term_sendkeys(buf, ":set diffopt+=indent-heuristic,algorithm:patience\<cr>:\<cr>")
948   call VerifyScreenDump(buf, 'Test_diff_11', {}, 'two')
949   call term_sendkeys(buf, ":set diffopt&\<cr>")
950   call term_sendkeys(buf, ":set diffopt+=algorithm:patience,indent-heuristic\<cr>:\<cr>")
951   call VerifyScreenDump(buf, 'Test_diff_11', {}, 'three')
954   call WriteDiffFiles(buf, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
955   call VerifyBoth(buf, 'Test_diff_12', '')
958   call WriteDiffFiles(buf, [], [])
959   call VerifyBoth(buf, 'Test_diff_13', '')
962   call WriteDiffFiles(buf, ['a', 'b', 'cd'], ['A', 'b', 'cDe'])
963   call VerifyBoth(buf, 'Test_diff_14', " diffopt+=filler diffopt+=icase")
966   call WriteDiffFiles(buf, ['int main()', '{', '   printf("Hello, World!");', '   return 0;', '}'],
968   call term_sendkeys(buf, ":diffupdate!\<cr>")
969   call term_sendkeys(buf, ":set diffopt&vim diffopt+=filler diffopt+=iwhite\<cr>")
970   call VerifyScreenDump(buf, 'Test_diff_15', {})
971   call term_sendkeys(buf, ":set diffopt+=internal\<cr>")
972   call VerifyScreenDump(buf, 'Test_diff_16', {})
975   call WriteDiffFiles(buf, ['a', ' ', 'cd', 'ef', 'xxx'], ['a', 'cd', '', 'ef', 'yyy'])
976   call VerifyInternal(buf, 'Test_diff_17', " diffopt+=iblank")
979   call VerifyInternal(buf, 'Test_diff_18', " diffopt+=iblank,iwhite")
980   call VerifyInternal(buf, 'Test_diff_18', " diffopt+=iblank,iwhiteall")
981   call VerifyInternal(buf, 'Test_diff_18', " diffopt+=iblank,iwhiteeol")
984 …call WriteDiffFiles(buf, ['a ', 'x', 'cd', 'ef', 'xx  xx', 'foo', 'bar'], ['a', 'x', 'c d', ' ef',…
985   call VerifyInternal(buf, 'Test_diff_19', " diffopt+=iwhiteeol")
988   call VerifyInternal(buf, 'Test_diff_20', " diffopt+=iwhiteall")
991   call StopVimInTerminal(buf)
1009   let buf = RunVimInTerminal('-S Xtest_scroll_change', {})
1011   call VerifyScreenDump(buf, 'Test_diff_scroll_change_01', {})
1013   call term_sendkeys(buf, "ax\<Esc>")
1014   call VerifyScreenDump(buf, 'Test_diff_scroll_change_02', {})
1016   call term_sendkeys(buf, "\<C-W>lay\<Esc>")
1017   call VerifyScreenDump(buf, 'Test_diff_scroll_change_03', {})
1020   call StopVimInTerminal(buf)
1036   let buf = RunVimInTerminal('-S Xtest_diff_cursorline', {})
1038   call VerifyScreenDump(buf, 'Test_diff_with_cursorline_01', {})
1039   call term_sendkeys(buf, "j")
1040   call VerifyScreenDump(buf, 'Test_diff_with_cursorline_02', {})
1041   call term_sendkeys(buf, "j")
1042   call VerifyScreenDump(buf, 'Test_diff_with_cursorline_03', {})
1045   call StopVimInTerminal(buf)
1064   let buf = RunVimInTerminal('-S Xtest_diff_cursorline_breakindent', {})
1066   call term_sendkeys(buf, "gg0")
1067   call VerifyScreenDump(buf, 'Test_diff_with_cul_bri_01', {})
1068   call term_sendkeys(buf, "j")
1069   call VerifyScreenDump(buf, 'Test_diff_with_cul_bri_02', {})
1070   call term_sendkeys(buf, "j")
1071   call VerifyScreenDump(buf, 'Test_diff_with_cul_bri_03', {})
1072   call term_sendkeys(buf, "j")
1073   call VerifyScreenDump(buf, 'Test_diff_with_cul_bri_04', {})
1076   call StopVimInTerminal(buf)
1105   let buf = RunVimInTerminal('-S Xtest_diff_syntax', {})
1107   call VerifyScreenDump(buf, 'Test_diff_syntax_1', {})
1110   call StopVimInTerminal(buf)
1128   let buf = RunVimInTerminal('-S Xtest_diff_diff', {})
1130   call VerifyScreenDump(buf, 'Test_diff_of_diff_01', {})
1132   call term_sendkeys(buf, ":set rightleft\<cr>")
1133   call VerifyScreenDump(buf, 'Test_diff_of_diff_02', {})
1136   call StopVimInTerminal(buf)
1237   let buf = RunVimInTerminal('-S Xtest_diff_rnu', {})
1239   call VerifyScreenDump(buf, 'Test_diff_rnu_01', {})
1241   call term_sendkeys(buf, "j")
1242   call VerifyScreenDump(buf, 'Test_diff_rnu_02', {})
1243   call term_sendkeys(buf, "j")
1244   call VerifyScreenDump(buf, 'Test_diff_rnu_03', {})
1247   call StopVimInTerminal(buf)
1297   let buf = RunVimInTerminal('-S Xtest_diff_cuc', {})
1299   call VerifyScreenDump(buf, 'Test_diff_cuc_01', {})
1301   call term_sendkeys(buf, "l")
1302   call term_sendkeys(buf, "\<C-l>")
1303   call VerifyScreenDump(buf, 'Test_diff_cuc_02', {})
1304   call term_sendkeys(buf, "0j")
1305   call term_sendkeys(buf, "\<C-l>")
1306   call VerifyScreenDump(buf, 'Test_diff_cuc_03', {})
1307   call term_sendkeys(buf, "l")
1308   call term_sendkeys(buf, "\<C-l>")
1309   call VerifyScreenDump(buf, 'Test_diff_cuc_04', {})
1312   call StopVimInTerminal(buf)