" Test for syntax and syntax iskeyword option source check.vim CheckFeature syntax source view_util.vim source screendump.vim func GetSyntaxItem(pat) let c = '' let a = ['a', getreg('a'), getregtype('a')] 0 redraw! call search(a:pat, 'W') let synid = synID(line('.'), col('.'), 1) while synid == synID(line('.'), col('.'), 1) norm! v"ay " stop at whitespace if @a =~# '\s' break endif let c .= @a norm! l endw call call('setreg', a) 0 return c endfunc func Test_syn_iskeyword() new call setline(1, [ \ 'CREATE TABLE FOOBAR(', \ ' DLTD_BY VARCHAR2(100)', \ ');', \ '']) syntax on set ft=sql syn match SYN /C\k\+\>/ hi link SYN ErrorMsg call assert_equal('DLTD_BY', GetSyntaxItem('DLTD')) /\/:norm! ygn call assert_equal('DLTD_BY', @0) redir @c syn iskeyword redir END call assert_equal("\nsyntax iskeyword not set", @c) syn iskeyword @,48-57,_,192-255 redir @c syn iskeyword redir END call assert_equal("\nsyntax iskeyword @,48-57,_,192-255", @c) setlocal isk-=_ call assert_equal('DLTD_BY', GetSyntaxItem('DLTD')) /\/:norm! ygn let b2 = @0 call assert_equal('DLTD', @0) syn iskeyword clear redir @c syn iskeyword redir END call assert_equal("\nsyntax iskeyword not set", @c) quit! endfunc func Test_syntax_after_reload() split Xsomefile call setline(1, ['hello', 'there']) w! only! setl filetype=hello au FileType hello let g:gotit = 1 call assert_false(exists('g:gotit')) edit other buf Xsomefile call assert_equal('hello', &filetype) call assert_true(exists('g:gotit')) call delete('Xsomefile') endfunc func Test_syntime() if !has('profile') return endif syntax on syntime on let a = execute('syntime report') call assert_equal("\nNo Syntax items defined for this buffer", a) view ../memfile_test.c setfiletype cpp redraw let a = execute('syntime report') call assert_match('^ TOTAL *COUNT *MATCH *SLOWEST *AVERAGE *NAME *PATTERN', a) call assert_match(' \d*\.\d* \+[^0]\d* .* cppRawString ', a) call assert_match(' \d*\.\d* \+[^0]\d* .* cppNumber ', a) syntime off syntime clear let a = execute('syntime report') call assert_match('^ TOTAL *COUNT *MATCH *SLOWEST *AVERAGE *NAME *PATTERN', a) call assert_notmatch('.* cppRawString *', a) call assert_notmatch('.* cppNumber*', a) call assert_notmatch('[1-9]', a) call assert_fails('syntime abc', 'E475') syntax clear let a = execute('syntime report') call assert_equal("\nNo Syntax items defined for this buffer", a) bd endfunc func Test_syntime_completion() if !has('profile') return endif call feedkeys(":syntime \\\"\", 'tx') call assert_equal('"syntime clear off on report', @:) endfunc func Test_syntax_list() syntax on let a = execute('syntax list') call assert_equal("\nNo Syntax items defined for this buffer", a) view ../memfile_test.c setfiletype c let a = execute('syntax list') call assert_match('cInclude*', a) call assert_match('cDefine', a) let a = execute('syntax list cDefine') call assert_notmatch('cInclude*', a) call assert_match('cDefine', a) call assert_match(' links to Macro$', a) call assert_fails('syntax list ABCD', 'E28:') call assert_fails('syntax list @ABCD', 'E392:') syntax clear let a = execute('syntax list') call assert_equal("\nNo Syntax items defined for this buffer", a) syntax keyword Type int containedin=g1 skipwhite skipempty skipnl nextgroup=Abc let exp = "Type xxx containedin=g1 nextgroup=Abc skipnl skipwhite skipempty int" call assert_equal(exp, split(execute("syntax list"), "\n")[1]) bd endfunc func Test_syntax_completion() call feedkeys(":syn \\\"\", 'tx') call assert_equal('"syn case clear cluster conceal enable include iskeyword keyword list manual match off on region reset spell sync', @:) call feedkeys(":syn case \\\"\", 'tx') call assert_equal('"syn case ignore match', @:) call feedkeys(":syn spell \\\"\", 'tx') call assert_equal('"syn spell default notoplevel toplevel', @:) call feedkeys(":syn sync \\\"\", 'tx') call assert_equal('"syn sync ccomment clear fromstart linebreaks= linecont lines= match maxlines= minlines= region', @:) " Check that clearing "Aap" avoids it showing up before Boolean. hi Aap ctermfg=blue call feedkeys(":syn list \\\"\", 'tx') call assert_match('^"syn list Aap Boolean Character ', @:) hi clear Aap call feedkeys(":syn list \\\"\", 'tx') call assert_match('^"syn list Boolean Character ', @:) call feedkeys(":syn match \\\"\", 'tx') call assert_match('^"syn match Boolean Character ', @:) endfunc func Test_echohl_completion() call feedkeys(":echohl no\\\"\", 'tx') call assert_equal('"echohl NonText Normal none', @:) endfunc func Test_syntax_arg_skipped() syn clear syntax case ignore if 0 syntax case match endif call assert_match('case ignore', execute('syntax case')) syn keyword Foo foo call assert_match('Foo', execute('syntax')) syn clear call assert_match('case match', execute('syntax case')) call assert_notmatch('Foo', execute('syntax')) if has('conceal') syn clear syntax conceal on if 0 syntax conceal off endif call assert_match('conceal on', execute('syntax conceal')) syn clear call assert_match('conceal off', execute('syntax conceal')) syntax conceal on syntax conceal off call assert_match('conceal off', execute('syntax conceal')) endif syntax region Bar start=// if 0 syntax region NotTest start=// contains=@Spell endif call assert_match('Bar', execute('syntax')) call assert_notmatch('NotTest', execute('syntax')) call assert_notmatch('Spell', execute('syntax')) hi Foo ctermfg=blue let a = execute('hi Foo') if 0 syntax rest endif call assert_equal(a, execute('hi Foo')) hi clear Bar hi clear Foo set ft=tags syn off if 0 syntax enable endif call assert_match('No Syntax items defined', execute('syntax')) syntax enable call assert_match('tagComment', execute('syntax')) set ft= syn clear if 0 syntax include @Spell nothing endif call assert_notmatch('Spell', execute('syntax')) syn clear syn iskeyword 48-57,$,_ call assert_match('48-57,$,_', execute('syntax iskeyword')) if 0 syn clear syn iskeyword clear endif call assert_match('48-57,$,_', execute('syntax iskeyword')) syn iskeyword clear call assert_match('not set', execute('syntax iskeyword')) syn iskeyword 48-57,$,_ syn clear call assert_match('not set', execute('syntax iskeyword')) syn clear syn keyword Foo foo if 0 syn keyword NotAdded bar endif call assert_match('Foo', execute('syntax')) call assert_notmatch('NotAdded', execute('highlight')) syn clear syn keyword Foo foo call assert_match('Foo', execute('syntax')) call assert_match('Foo', execute('syntax list')) call assert_notmatch('Foo', execute('if 0 | syntax | endif')) call assert_notmatch('Foo', execute('if 0 | syntax list | endif')) syn clear syn match Fopi /asdf/ if 0 syn match Fopx /asdf/ endif call assert_match('Fopi', execute('syntax')) call assert_notmatch('Fopx', execute('syntax')) syn clear syn spell toplevel call assert_match('spell toplevel', execute('syntax spell')) if 0 syn spell notoplevel endif call assert_match('spell toplevel', execute('syntax spell')) syn spell notoplevel call assert_match('spell notoplevel', execute('syntax spell')) syn spell default call assert_match('spell default', execute('syntax spell')) syn clear if 0 syntax cluster Spell endif call assert_notmatch('Spell', execute('syntax')) syn clear syn keyword Foo foo syn sync ccomment syn sync maxlines=5 if 0 syn sync maxlines=11 endif call assert_match('on C-style comments', execute('syntax sync')) call assert_match('maximal 5 lines', execute('syntax sync')) syn sync clear if 0 syn sync ccomment endif call assert_notmatch('on C-style comments', execute('syntax sync')) syn clear endfunc " Check for an error. Used when multiple errors are thrown and we are checking " for an earliest error. func AssertFails(cmd, errcode) let save_exception = '' try exe a:cmd catch let save_exception = v:exception endtry call assert_match(a:errcode, save_exception) endfunc func Test_syntax_invalid_arg() call assert_fails('syntax case asdf', 'E390:') if has('conceal') call assert_fails('syntax conceal asdf', 'E390:') endif call assert_fails('syntax spell asdf', 'E390:') call assert_fails('syntax clear @ABCD', 'E391:') call assert_fails('syntax include random_file', 'E484:') call assert_fails('syntax include ', 'E495:') call assert_fails('syntax sync x', 'E404:') call assert_fails('syntax keyword Abc a[', 'E789:') call assert_fails('syntax keyword Abc a[bc]d', 'E890:') call assert_fails('syntax cluster Abc add=A add=', 'E475:') " Test for too many \z$ and unmatched \z\( " Not able to use assert_fails() here because both E50:/E879: and E475: " messages are emitted. set regexpengine=1 call AssertFails("syntax region MyRegion start='\\z\\(' end='\\*/'", 'E52:') let cmd = "syntax region MyRegion start='" let cmd ..= repeat("\\z\\(.\$", 10) .. "' end='\*/'" call AssertFails(cmd, 'E50:') set regexpengine=2 call AssertFails("syntax region MyRegion start='\\z\$' end='\\*/'", 'E54:') let cmd = "syntax region MyRegion start='" let cmd ..= repeat("\\z\\(.\$", 10) .. "' end='\*/'" call AssertFails(cmd, 'E879:') set regexpengine& call AssertFails('syntax keyword cMyItem grouphere G1', 'E393:') call AssertFails('syntax sync match Abc grouphere MyItem "abc"', 'E394:') call AssertFails('syn keyword Type contains int', 'E395:') call assert_fails('syntax include @Xxx', 'E397:') call AssertFails('syntax region X start', 'E398:') call assert_fails('syntax region X start="{"', 'E399:') call AssertFails('syntax cluster contains=Abc', 'E400:') call AssertFails("syntax match Character /'.'", 'E401:') call AssertFails("syntax match Character /'.'/a", 'E402:') call assert_fails('syntax sync linecont /pat', 'E404:') call assert_fails('syntax sync linecont', 'E404:') call assert_fails('syntax sync linecont /pat1/ linecont /pat2/', 'E403:') call assert_fails('syntax sync minlines=a', 'E404:') call AssertFails('syntax match ABC /x/ contains=', 'E406:') call AssertFails("syntax match Character contains /'.'/", 'E405:') call AssertFails('syntax match ccFoo "Foo" nextgroup=ALLBUT,F', 'E407:') call AssertFails('syntax region Block start="{" contains=F,ALLBUT', 'E408:') call AssertFails("syntax match Characters contains=a.*x /'.'/", 'E409:') endfunc func Test_syn_sync() syntax region HereGroup start=/this/ end=/that/ syntax sync match SyncHere grouphere HereGroup "pattern" call assert_match('SyncHere', execute('syntax sync')) syn sync clear call assert_notmatch('SyncHere', execute('syntax sync')) syn clear endfunc func Test_syn_clear() syntax keyword Foo foo syntax keyword Bar tar call assert_match('Foo', execute('syntax')) call assert_match('Bar', execute('syntax')) call assert_equal('Foo', synIDattr(hlID("Foo"), "name")) syn clear Foo call assert_notmatch('Foo', execute('syntax')) call assert_match('Bar', execute('syntax')) call assert_equal('Foo', synIDattr(hlID("Foo"), "name")) syn clear Foo Bar call assert_notmatch('Foo', execute('syntax')) call assert_notmatch('Bar', execute('syntax')) hi clear Foo call assert_equal('Foo', synIDattr(hlID("Foo"), "name")) hi clear Bar call assert_fails('syntax clear invalid_syngroup', 'E28:') endfunc func Test_invalid_name() syn clear syn keyword Nop yes call assert_fails("syntax keyword Wr\x17ong bar", 'E669:') syntax keyword @Wrong bar call assert_match('W18:', execute('1messages')) syn clear hi clear Nop hi clear @Wrong endfunc func Test_ownsyntax() new Xfoo call setline(1, '#define FOO') syntax on set filetype=c ownsyntax perl call assert_equal('perlComment', synIDattr(synID(line('.'), col('.'), 1), 'name')) call assert_equal('c', b:current_syntax) call assert_equal('perl', w:current_syntax) " A new split window should have the original syntax. split call assert_equal('cDefine', synIDattr(synID(line('.'), col('.'), 1), 'name')) call assert_equal('c', b:current_syntax) call assert_equal(0, exists('w:current_syntax')) wincmd x call assert_equal('perlComment', synIDattr(synID(line("."), col("."), 1), "name")) syntax off set filetype& %bw! endfunc func Test_ownsyntax_completion() call feedkeys(":ownsyntax java\\\"\", 'tx') call assert_equal('"ownsyntax java javacc javascript javascriptreact', @:) endfunc func Test_highlight_invalid_arg() if has('gui_running') call assert_fails('hi XXX guifg=xxx', 'E254:') endif call assert_fails('hi DoesNotExist', 'E411:') call assert_fails('hi link', 'E412:') call assert_fails('hi link a', 'E412:') call assert_fails('hi link a b c', 'E413:') call assert_fails('hi XXX =', 'E415:') call assert_fails('hi XXX cterm', 'E416:') call assert_fails('hi XXX cterm=', 'E417:') call assert_fails('hi XXX cterm=DoesNotExist', 'E418:') call assert_fails('hi XXX ctermfg=DoesNotExist', 'E421:') call assert_fails('hi XXX xxx=White', 'E423:') endfunc func Test_bg_detection() CheckNotGui " auto-detection of &bg, make sure sure it isn't set anywhere before " this test hi Normal ctermbg=0 call assert_equal('dark', &bg) hi Normal ctermbg=4 call assert_equal('dark', &bg) hi Normal ctermbg=12 call assert_equal('light', &bg) hi Normal ctermbg=15 call assert_equal('light', &bg) " manually-set &bg takes precedence over auto-detection set bg=light hi Normal ctermbg=4 call assert_equal('light', &bg) set bg=dark hi Normal ctermbg=12 call assert_equal('dark', &bg) hi Normal ctermbg=NONE endfunc func Test_syntax_hangs() if !has('reltime') || !has('float') || !has('syntax') return endif " This pattern takes a long time to match, it should timeout. new call setline(1, ['aaa', repeat('abc ', 1000), 'ccc']) let start = reltime() set nolazyredraw redrawtime=101 syn match Error /\%#=1a*.*X\@<=b*/ redraw let elapsed = reltimefloat(reltime(start)) call assert_true(elapsed > 0.1) call assert_true(elapsed < 1.0) " second time syntax HL is disabled let start = reltime() redraw let elapsed = reltimefloat(reltime(start)) call assert_true(elapsed < 0.1) " after CTRL-L the timeout flag is reset let start = reltime() exe "normal \" redraw let elapsed = reltimefloat(reltime(start)) call assert_true(elapsed > 0.1) call assert_true(elapsed < 1.0) set redrawtime& bwipe! endfunc func Test_conceal() if !has('conceal') return endif new call setline(1, ['', '123456']) syn match test23 "23" conceal cchar=X syn match test45 "45" conceal set conceallevel=0 call assert_equal('123456 ', ScreenLines(2, 7)[0]) call assert_equal([[0, '', 0], [0, '', 0], [0, '', 0], [0, '', 0], [0, '', 0], [0, '', 0]], map(range(1, 6), 'synconcealed(2, v:val)')) set conceallevel=1 call assert_equal('1X 6 ', ScreenLines(2, 7)[0]) call assert_equal([[0, '', 0], [1, 'X', 1], [1, 'X', 1], [1, ' ', 2], [1, ' ', 2], [0, '', 0]], map(range(1, 6), 'synconcealed(2, v:val)')) set conceallevel=1 set listchars=conceal:Y call assert_equal([[0, '', 0], [1, 'X', 1], [1, 'X', 1], [1, 'Y', 2], [1, 'Y', 2], [0, '', 0]], map(range(1, 6), 'synconcealed(2, v:val)')) call assert_equal('1XY6 ', ScreenLines(2, 7)[0]) set conceallevel=2 call assert_match('1X6 ', ScreenLines(2, 7)[0]) call assert_equal([[0, '', 0], [1, 'X', 1], [1, 'X', 1], [1, '', 2], [1, '', 2], [0, '', 0]], map(range(1, 6), 'synconcealed(2, v:val)')) set conceallevel=3 call assert_match('16 ', ScreenLines(2, 7)[0]) call assert_equal([[0, '', 0], [1, '', 1], [1, '', 1], [1, '', 2], [1, '', 2], [0, '', 0]], map(range(1, 6), 'synconcealed(2, v:val)')) call AssertFails("syntax match Entity '&' conceal cchar=\", 'E844:') syn clear set conceallevel& bw! endfunc func Test_synstack_synIDtrans() new setfiletype c syntax on call setline(1, ' /* A comment with a TODO */') call assert_equal([], synstack(1, 1)) norm f/ eval synstack(line("."), col("."))->map('synIDattr(v:val, "name")')->assert_equal(['cComment', 'cCommentStart']) eval synstack(line("."), col("."))->map('synIDattr(synIDtrans(v:val), "name")')->assert_equal(['Comment', 'Comment']) norm fA call assert_equal(['cComment'], map(synstack(line("."), col(".")), 'synIDattr(v:val, "name")')) call assert_equal(['Comment'], map(synstack(line("."), col(".")), 'synIDattr(synIDtrans(v:val), "name")')) norm fT call assert_equal(['cComment', 'cTodo'], map(synstack(line("."), col(".")), 'synIDattr(v:val, "name")')) call assert_equal(['Comment', 'Todo'], map(synstack(line("."), col(".")), 'synIDattr(synIDtrans(v:val), "name")')) call assert_fails("let n=synIDtrans([])", 'E745:') syn clear bw! endfunc " Check highlighting for a small piece of C code with a screen dump. func Test_syntax_c() if !CanRunVimInTerminal() throw 'Skipped: cannot make screendumps' endif call writefile([ \ '/* comment line at the top */', \ 'int main(int argc, char **argv) { // another comment', \ '#if 0', \ ' int not_used;', \ '#else', \ ' int used;', \ '#endif', \ ' printf("Just an example piece of C code\n");', \ ' return 0x0ff;', \ '}', \ "\t\t ", \ ' static void', \ 'myFunction(const double count, struct nothing, long there) {', \ "\t// 123: nothing to endif here", \ "\tfor (int i = 0; i < count; ++i) {", \ "\t break;", \ "\t}", \ "\tNote: asdf", \ '}', \ ], 'Xtest.c') " This makes the default for 'background' use "dark", check that the " response to t_RB corrects it to "light". let $COLORFGBG = '15;0' let buf = RunVimInTerminal('Xtest.c', {}) call term_sendkeys(buf, ":syn keyword Search Note\r") call term_sendkeys(buf, ":syn match Error /^\\s\\+$/\r") call term_sendkeys(buf, ":set hlsearch\r") call term_sendkeys(buf, "/endif\r") call term_sendkeys(buf, "vjfC") call VerifyScreenDump(buf, 'Test_syntax_c_01', {}) call term_sendkeys(buf, "\") call StopVimInTerminal(buf) let $COLORFGBG = '' call delete('Xtest.c') endfun " Using \z() in a region with NFA failing should not crash. func Test_syn_wrong_z_one() new call setline(1, ['just some text', 'with foo and bar to match with']) syn region FooBar start="foo\z(.*\)bar" end="\z1" call test_override("nfa_fail", 1) redraw! redraw! call test_override("ALL", 0) bwipe! endfunc func Test_syntax_after_bufdo() call writefile(['/* aaa comment */'], 'Xaaa.c') call writefile(['/* bbb comment */'], 'Xbbb.c') call writefile(['/* ccc comment */'], 'Xccc.c') call writefile(['/* ddd comment */'], 'Xddd.c') let bnr = bufnr('%') new Xaaa.c badd Xbbb.c badd Xccc.c badd Xddd.c exe "bwipe " . bnr let l = [] bufdo call add(l, bufnr('%')) call assert_equal(4, len(l)) syntax on " This used to only enable syntax HL in the last buffer. bufdo tab split tabrewind for tab in range(1, 4) norm fm call assert_equal(['cComment'], map(synstack(line("."), col(".")), 'synIDattr(v:val, "name")')) tabnext endfor bwipe! Xaaa.c bwipe! Xbbb.c bwipe! Xccc.c bwipe! Xddd.c syntax off call delete('Xaaa.c') call delete('Xbbb.c') call delete('Xccc.c') call delete('Xddd.c') endfunc " vim: shiftwidth=2 sts=2 expandtab