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vim-patch:8.1.1804: no test for display updating without a scroll region

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Problem:    No test for display updating without a scroll region.
Solution:   Add a test.
3c8ee62974
This commit is contained in:
Jan Edmund Lazo
2020-08-28 23:49:04 -04:00
parent 1fbfd6ba09
commit f48847c578
3 changed files with 177 additions and 18 deletions
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144
src/nvim/testdir/test_diffmode.vim
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@@ -724,10 +724,140 @@ func Test_diff_lastline()
bwipe!
endfunc
func Test_diff_screen()
CheckScreendump
CheckFeature menu
" clean up already existing swap files, just in case
call delete('.Xfile1.swp')
call delete('.Xfile2.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 Xfile1 Xfile2', {})
" 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('Xfile1')
call delete('Xfile2')
endfunc
func Test_diff_with_cursorline()
if !CanRunVimInTerminal()
throw 'Skipped: cannot run Vim in a terminal window'
endif
CheckScreendump
call writefile([
\ 'hi CursorLine ctermbg=red ctermfg=white',
@@ -752,12 +882,8 @@ func Test_diff_with_cursorline()
endfunc
func Test_diff_of_diff()
if !CanRunVimInTerminal()
throw 'Skipped: cannot run Vim in a terminal window'
endif
if !has("rightleft")
throw 'Skipped: rightleft not supported'
endif
CheckScreendump
CheckFeature rightleft
call writefile([
\ 'call setline(1, ["aa","bb","cc","@@ -3,2 +5,7 @@","dd","ee","ff"])',