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-rw-r--r--src/testdir/test_syntax.vim585
1 files changed, 585 insertions, 0 deletions
diff --git a/src/testdir/test_syntax.vim b/src/testdir/test_syntax.vim
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+" Test for syntax and syntax iskeyword option
+
+if !has("syntax")
+ finish
+endif
+
+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'))
+ /\<D\k\+\>/: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'))
+ /\<D\k\+\>/: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 \<C-A>\<C-B>\"\<CR>", '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)
+
+ bd
+endfunc
+
+func Test_syntax_completion()
+ call feedkeys(":syn \<C-A>\<C-B>\"\<CR>", '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 \<C-A>\<C-B>\"\<CR>", 'tx')
+ call assert_equal('"syn case ignore match', @:)
+
+ call feedkeys(":syn spell \<C-A>\<C-B>\"\<CR>", 'tx')
+ call assert_equal('"syn spell default notoplevel toplevel', @:)
+
+ call feedkeys(":syn sync \<C-A>\<C-B>\"\<CR>", '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 \<C-A>\<C-B>\"\<CR>", 'tx')
+ call assert_match('^"syn list Aap Boolean Character ', @:)
+ hi clear Aap
+
+ call feedkeys(":syn list \<C-A>\<C-B>\"\<CR>", 'tx')
+ call assert_match('^"syn list Boolean Character ', @:)
+
+ call feedkeys(":syn match \<C-A>\<C-B>\"\<CR>", 'tx')
+ call assert_match('^"syn match Boolean Character ', @:)
+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=/</ end=/>/
+ if 0
+ syntax region NotTest start=/</ end=/>/ 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
+
+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 @Xxx', 'E397:')
+ call assert_fails('syntax region X start="{"', 'E399:')
+ 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:')
+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
+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\<C-A>\<C-B>\"\<CR>", 'tx')
+ call assert_equal('"ownsyntax java javacc javascript', @:)
+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()
+ if has('gui_running')
+ return
+ endif
+ " 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 \<C-L>"
+ 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)'))
+
+ 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/
+ call assert_equal(['cComment', 'cCommentStart'], map(synstack(line("."), col(".")), 'synIDattr(v:val, "name")'))
+ call assert_equal(['Comment', 'Comment'], map(synstack(line("."), col(".")), 'synIDattr(synIDtrans(v:val), "name")'))
+
+ 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")'))
+
+ syn clear
+ bw!
+endfunc
+
+" Check highlighting for a small piece of C code with a screen dump.
+func Test_syntax_c()
+ if !CanRunVimInTerminal()
+ return
+ 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;',
+ \ '}',
+ \ ' static void',
+ \ 'myFunction(const double count, struct nothing, long there) {',
+ \ ' // 123: nothing to read here',
+ \ ' for (int i = 0; i < count; ++i) {',
+ \ ' break;',
+ \ ' }',
+ \ '}',
+ \ ], '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 VerifyScreenDump(buf, 'Test_syntax_c_01', {})
+ 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