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-rw-r--r--src/testdir/test_fold.vim897
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diff --git a/src/testdir/test_fold.vim b/src/testdir/test_fold.vim
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+" Test for folding
+
+source check.vim
+source view_util.vim
+source screendump.vim
+
+func PrepIndent(arg)
+ return [a:arg] + repeat(["\t".a:arg], 5)
+endfu
+
+func Test_address_fold()
+ new
+ call setline(1, ['int FuncName() {/*{{{*/', 1, 2, 3, 4, 5, '}/*}}}*/',
+ \ 'after fold 1', 'after fold 2', 'after fold 3'])
+ setl fen fdm=marker
+ " The next commands should all copy the same part of the buffer,
+ " regardless of the addressing type, since the part to be copied
+ " is folded away
+ :1y
+ call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
+ :.y
+ call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
+ :.+y
+ call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
+ :.,.y
+ call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
+ :sil .1,.y
+ call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
+ " use silent to make E493 go away
+ :sil .+,.y
+ call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
+ :,y
+ call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
+ :,+y
+ call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/','after fold 1'], getreg(0,1,1))
+ " using .+3 as second address should copy the whole folded line + the next 3
+ " lines
+ :.,+3y
+ call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/',
+ \ 'after fold 1', 'after fold 2', 'after fold 3'], getreg(0,1,1))
+ :sil .,-2y
+ call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
+
+ " now test again with folding disabled
+ set nofoldenable
+ :1y
+ call assert_equal(['int FuncName() {/*{{{*/'], getreg(0,1,1))
+ :.y
+ call assert_equal(['int FuncName() {/*{{{*/'], getreg(0,1,1))
+ :.+y
+ call assert_equal(['1'], getreg(0,1,1))
+ :.,.y
+ call assert_equal(['int FuncName() {/*{{{*/'], getreg(0,1,1))
+ " use silent to make E493 go away
+ :sil .1,.y
+ call assert_equal(['int FuncName() {/*{{{*/', '1'], getreg(0,1,1))
+ " use silent to make E493 go away
+ :sil .+,.y
+ call assert_equal(['int FuncName() {/*{{{*/', '1'], getreg(0,1,1))
+ :,y
+ call assert_equal(['int FuncName() {/*{{{*/'], getreg(0,1,1))
+ :,+y
+ call assert_equal(['int FuncName() {/*{{{*/', '1'], getreg(0,1,1))
+ " using .+3 as second address should copy the whole folded line + the next 3
+ " lines
+ :.,+3y
+ call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3'], getreg(0,1,1))
+ :7
+ :sil .,-2y
+ call assert_equal(['4', '5', '}/*}}}*/'], getreg(0,1,1))
+
+ quit!
+endfunc
+
+func Test_indent_fold()
+ new
+ call setline(1, ['', 'a', ' b', ' c'])
+ setl fen fdm=indent
+ 2
+ norm! >>
+ let a=map(range(1,4), 'foldclosed(v:val)')
+ call assert_equal([-1,-1,-1,-1], a)
+ bw!
+endfunc
+
+func Test_indent_fold2()
+ new
+ call setline(1, ['', '{{{', '}}}', '{{{', '}}}'])
+ setl fen fdm=marker
+ 2
+ norm! >>
+ let a=map(range(1,5), 'v:val->foldclosed()')
+ call assert_equal([-1,-1,-1,4,4], a)
+ bw!
+endfunc
+
+func Test_manual_fold_with_filter()
+ CheckExecutable cat
+ for type in ['manual', 'marker']
+ exe 'set foldmethod=' . type
+ new
+ call setline(1, range(1, 20))
+ 4,$fold
+ %foldopen
+ 10,$fold
+ %foldopen
+ " This filter command should not have an effect
+ 1,8! cat
+ call feedkeys('5ggzdzMGdd', 'xt')
+ call assert_equal(['1', '2', '3', '4', '5', '6', '7', '8', '9'], getline(1, '$'))
+
+ bwipe!
+ set foldmethod&
+ endfor
+endfunc
+
+func Test_indent_fold_with_read()
+ new
+ set foldmethod=indent
+ call setline(1, repeat(["\<Tab>a"], 4))
+ for n in range(1, 4)
+ call assert_equal(1, foldlevel(n))
+ endfor
+
+ call writefile(["a", "", "\<Tab>a"], 'Xfile')
+ foldopen
+ 2read Xfile
+ %foldclose
+ call assert_equal(1, foldlevel(1))
+ call assert_equal(2, foldclosedend(1))
+ call assert_equal(0, foldlevel(3))
+ call assert_equal(0, foldlevel(4))
+ call assert_equal(1, foldlevel(5))
+ call assert_equal(7, 5->foldclosedend())
+
+ bwipe!
+ set foldmethod&
+ call delete('Xfile')
+endfunc
+
+func Test_combining_folds_indent()
+ new
+ let one = "\<Tab>a"
+ let zero = 'a'
+ call setline(1, [one, one, zero, zero, zero, one, one, one])
+ set foldmethod=indent
+ 3,5d
+ %foldclose
+ call assert_equal(5, foldclosedend(1))
+
+ set foldmethod&
+ bwipe!
+endfunc
+
+func Test_combining_folds_marker()
+ new
+ call setline(1, ['{{{', '}}}', '', '', '', '{{{', '', '}}}'])
+ set foldmethod=marker
+ 3,5d
+ %foldclose
+ call assert_equal(2, foldclosedend(1))
+
+ set foldmethod&
+ bwipe!
+endfunc
+
+func Test_folds_marker_in_comment()
+ new
+ call setline(1, ['" foo', 'bar', 'baz'])
+ setl fen fdm=marker
+ setl com=sO:\"\ -,mO:\"\ \ ,eO:\"\",:\" cms=\"%s
+ norm! zf2j
+ setl nofen
+ :1y
+ call assert_equal(['" foo{{{'], getreg(0,1,1))
+ :+2y
+ call assert_equal(['baz"}}}'], getreg(0,1,1))
+
+ set foldmethod&
+ bwipe!
+endfunc
+
+func s:TestFoldExpr(lnum)
+ let thisline = getline(a:lnum)
+ if thisline == 'a'
+ return 1
+ elseif thisline == 'b'
+ return 0
+ elseif thisline == 'c'
+ return '<1'
+ elseif thisline == 'd'
+ return '>1'
+ endif
+ return 0
+endfunction
+
+func Test_update_folds_expr_read()
+ new
+ call setline(1, ['a', 'a', 'a', 'a', 'a', 'a'])
+ set foldmethod=expr
+ set foldexpr=s:TestFoldExpr(v:lnum)
+ 2
+ foldopen
+ call writefile(['b', 'b', 'a', 'a', 'd', 'a', 'a', 'c'], 'Xfile')
+ read Xfile
+ %foldclose
+ call assert_equal(2, foldclosedend(1))
+ call assert_equal(0, foldlevel(3))
+ call assert_equal(0, 4->foldlevel())
+ call assert_equal(6, foldclosedend(5))
+ call assert_equal(10, foldclosedend(7))
+ call assert_equal(14, foldclosedend(11))
+
+ call delete('Xfile')
+ bwipe!
+ set foldmethod& foldexpr&
+endfunc
+
+func Check_foldlevels(expected)
+ call assert_equal(a:expected, map(range(1, line('$')), 'foldlevel(v:val)'))
+endfunc
+
+func Test_move_folds_around_manual()
+ new
+ let input = PrepIndent("a") + PrepIndent("b") + PrepIndent("c")
+ call setline(1, PrepIndent("a") + PrepIndent("b") + PrepIndent("c"))
+ let folds=[-1, 2, 2, 2, 2, 2, -1, 8, 8, 8, 8, 8, -1, 14, 14, 14, 14, 14]
+ " all folds closed
+ set foldenable foldlevel=0 fdm=indent
+ " needs a forced redraw
+ redraw!
+ set fdm=manual
+ call assert_equal(folds, map(range(1, line('$')), 'foldclosed(v:val)'))
+ call assert_equal(input, getline(1, '$'))
+ 7,12m0
+ call assert_equal(PrepIndent("b") + PrepIndent("a") + PrepIndent("c"), getline(1, '$'))
+ call assert_equal(folds, map(range(1, line('$')), 'foldclosed(v:val)'))
+ 10,12m0
+ call assert_equal(PrepIndent("a")[1:] + PrepIndent("b") + ["a"] + PrepIndent("c"), getline(1, '$'))
+ call assert_equal([1, 1, 1, 1, 1, -1, 7, 7, 7, 7, 7, -1, -1, 14, 14, 14, 14, 14], map(range(1, line('$')), 'foldclosed(v:val)'))
+ " moving should not close the folds
+ %d
+ call setline(1, PrepIndent("a") + PrepIndent("b") + PrepIndent("c"))
+ set fdm=indent
+ redraw!
+ set fdm=manual
+ call cursor(2, 1)
+ %foldopen
+ 7,12m0
+ let folds=repeat([-1], 18)
+ call assert_equal(PrepIndent("b") + PrepIndent("a") + PrepIndent("c"), getline(1, '$'))
+ call assert_equal(folds, map(range(1, line('$')), 'foldclosed(v:val)'))
+ norm! zM
+ " folds are not corrupted and all have been closed
+ call assert_equal([-1, 2, 2, 2, 2, 2, -1, 8, 8, 8, 8, 8, -1, 14, 14, 14, 14, 14], map(range(1, line('$')), 'foldclosed(v:val)'))
+ %d
+ call setline(1, ["a", "\tb", "\tc", "\td", "\te"])
+ set fdm=indent
+ redraw!
+ set fdm=manual
+ %foldopen
+ 3m4
+ %foldclose
+ call assert_equal(["a", "\tb", "\td", "\tc", "\te"], getline(1, '$'))
+ call assert_equal([-1, 5, 5, 5, 5], map(range(1, line('$')), 'foldclosedend(v:val)'))
+ %d
+ call setline(1, ["a", "\tb", "\tc", "\td", "\te", "z", "\ty", "\tx", "\tw", "\tv"])
+ set fdm=indent foldlevel=0
+ set fdm=manual
+ %foldopen
+ 3m1
+ %foldclose
+ call assert_equal(["a", "\tc", "\tb", "\td", "\te", "z", "\ty", "\tx", "\tw", "\tv"], getline(1, '$'))
+ call assert_equal(0, foldlevel(2))
+ call assert_equal(5, foldclosedend(3))
+ call assert_equal([-1, -1, 3, 3, 3, -1, 7, 7, 7, 7], map(range(1, line('$')), 'foldclosed(v:val)'))
+ 2,6m$
+ %foldclose
+ call assert_equal(5, foldclosedend(2))
+ call assert_equal(0, foldlevel(6))
+ call assert_equal(9, foldclosedend(7))
+ call assert_equal([-1, 2, 2, 2, 2, -1, 7, 7, 7, -1], map(range(1, line('$')), 'foldclosed(v:val)'))
+
+ %d
+ " Ensure moving around the edges still works.
+ call setline(1, PrepIndent("a") + repeat(["a"], 3) + ["\ta"])
+ set fdm=indent foldlevel=0
+ set fdm=manual
+ %foldopen
+ 6m$
+ " The first fold has been truncated to the 5'th line.
+ " Second fold has been moved up because the moved line is now below it.
+ call Check_foldlevels([0, 1, 1, 1, 1, 0, 0, 0, 1, 0])
+
+ %delete
+ set fdm=indent foldlevel=0
+ call setline(1, [
+ \ "a",
+ \ "\ta",
+ \ "\t\ta",
+ \ "\t\ta",
+ \ "\t\ta",
+ \ "a",
+ \ "a"])
+ set fdm=manual
+ %foldopen!
+ 4,5m6
+ call Check_foldlevels([0, 1, 2, 0, 0, 0, 0])
+
+ %delete
+ set fdm=indent
+ call setline(1, [
+ \ "\ta",
+ \ "\t\ta",
+ \ "\t\ta",
+ \ "\t\ta",
+ \ "\ta",
+ \ "\t\ta",
+ \ "\t\ta",
+ \ "\t\ta",
+ \ "\ta",
+ \ "\t\ta",
+ \ "\t\ta",
+ \ "\t\ta",
+ \ "\t\ta",
+ \ "\ta",
+ \ "a"])
+ set fdm=manual
+ %foldopen!
+ 13m7
+ call Check_foldlevels([1, 2, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 2, 1, 0])
+
+ bw!
+endfunc
+
+func Test_move_folds_around_indent()
+ new
+ let input = PrepIndent("a") + PrepIndent("b") + PrepIndent("c")
+ call setline(1, PrepIndent("a") + PrepIndent("b") + PrepIndent("c"))
+ let folds=[-1, 2, 2, 2, 2, 2, -1, 8, 8, 8, 8, 8, -1, 14, 14, 14, 14, 14]
+ " all folds closed
+ set fdm=indent
+ call assert_equal(folds, map(range(1, line('$')), 'foldclosed(v:val)'))
+ call assert_equal(input, getline(1, '$'))
+ 7,12m0
+ call assert_equal(PrepIndent("b") + PrepIndent("a") + PrepIndent("c"), getline(1, '$'))
+ call assert_equal(folds, map(range(1, line('$')), 'foldclosed(v:val)'))
+ 10,12m0
+ call assert_equal(PrepIndent("a")[1:] + PrepIndent("b") + ["a"] + PrepIndent("c"), getline(1, '$'))
+ call assert_equal([1, 1, 1, 1, 1, -1, 7, 7, 7, 7, 7, -1, -1, 14, 14, 14, 14, 14], map(range(1, line('$')), 'foldclosed(v:val)'))
+ " moving should not close the folds
+ %d
+ call setline(1, PrepIndent("a") + PrepIndent("b") + PrepIndent("c"))
+ set fdm=indent
+ call cursor(2, 1)
+ %foldopen
+ 7,12m0
+ let folds=repeat([-1], 18)
+ call assert_equal(PrepIndent("b") + PrepIndent("a") + PrepIndent("c"), getline(1, '$'))
+ call assert_equal(folds, map(range(1, line('$')), 'foldclosed(v:val)'))
+ norm! zM
+ " folds are not corrupted and all have been closed
+ call assert_equal([-1, 2, 2, 2, 2, 2, -1, 8, 8, 8, 8, 8, -1, 14, 14, 14, 14, 14], map(range(1, line('$')), 'foldclosed(v:val)'))
+ %d
+ call setline(1, ["a", "\tb", "\tc", "\td", "\te"])
+ set fdm=indent
+ %foldopen
+ 3m4
+ %foldclose
+ call assert_equal(["a", "\tb", "\td", "\tc", "\te"], getline(1, '$'))
+ call assert_equal([-1, 5, 5, 5, 5], map(range(1, line('$')), 'foldclosedend(v:val)'))
+ %d
+ call setline(1, ["a", "\tb", "\tc", "\td", "\te", "z", "\ty", "\tx", "\tw", "\tv"])
+ set fdm=indent foldlevel=0
+ %foldopen
+ 3m1
+ %foldclose
+ call assert_equal(["a", "\tc", "\tb", "\td", "\te", "z", "\ty", "\tx", "\tw", "\tv"], getline(1, '$'))
+ call assert_equal(1, foldlevel(2))
+ call assert_equal(5, foldclosedend(3))
+ call assert_equal([-1, 2, 2, 2, 2, -1, 7, 7, 7, 7], map(range(1, line('$')), 'foldclosed(v:val)'))
+ 2,6m$
+ %foldclose
+ call assert_equal(9, foldclosedend(2))
+ call assert_equal(1, foldlevel(6))
+ call assert_equal(9, foldclosedend(7))
+ call assert_equal([-1, 2, 2, 2, 2, 2, 2, 2, 2, -1], map(range(1, line('$')), 'foldclosed(v:val)'))
+ " Ensure moving around the edges still works.
+ %d
+ call setline(1, PrepIndent("a") + repeat(["a"], 3) + ["\ta"])
+ set fdm=indent foldlevel=0
+ %foldopen
+ 6m$
+ " The first fold has been truncated to the 5'th line.
+ " Second fold has been moved up because the moved line is now below it.
+ call Check_foldlevels([0, 1, 1, 1, 1, 0, 0, 0, 1, 1])
+ bw!
+endfunc
+
+func Test_folddoopen_folddoclosed()
+ new
+ call setline(1, range(1, 9))
+ set foldmethod=manual
+ 1,3 fold
+ 6,8 fold
+
+ " Test without range.
+ folddoopen s/$/o/
+ folddoclosed s/$/c/
+ call assert_equal(['1c', '2c', '3c',
+ \ '4o', '5o',
+ \ '6c', '7c', '8c',
+ \ '9o'], getline(1, '$'))
+
+ " Test with range.
+ call setline(1, range(1, 9))
+ 1,8 folddoopen s/$/o/
+ 4,$ folddoclosed s/$/c/
+ call assert_equal(['1', '2', '3',
+ \ '4o', '5o',
+ \ '6c', '7c', '8c',
+ \ '9'], getline(1, '$'))
+
+ set foldmethod&
+ bw!
+endfunc
+
+func Test_fold_error()
+ new
+ call setline(1, [1, 2])
+
+ for fm in ['indent', 'expr', 'syntax', 'diff']
+ exe 'set foldmethod=' . fm
+ call assert_fails('norm zf', 'E350:')
+ call assert_fails('norm zd', 'E351:')
+ call assert_fails('norm zE', 'E352:')
+ endfor
+
+ set foldmethod=manual
+ call assert_fails('norm zd', 'E490:')
+ call assert_fails('norm zo', 'E490:')
+ call assert_fails('3fold', 'E16:')
+
+ set foldmethod=marker
+ set nomodifiable
+ call assert_fails('1,2fold', 'E21:')
+
+ set modifiable&
+ set foldmethod&
+ bw!
+endfunc
+
+func Test_foldtext_recursive()
+ new
+ call setline(1, ['{{{', 'some text', '}}}'])
+ setlocal foldenable foldmethod=marker foldtext=foldtextresult(v\:foldstart)
+ " This was crashing because of endless recursion.
+ 2foldclose
+ redraw
+ call assert_equal(1, foldlevel(2))
+ call assert_equal(1, foldclosed(2))
+ call assert_equal(3, foldclosedend(2))
+ bwipe!
+endfunc
+
+" Various fold related tests
+
+" Basic test if a fold can be created, opened, moving to the end and closed
+func Test_fold_manual()
+ enew!
+ set fdm=manual
+
+ let content = ['1 aa', '2 bb', '3 cc']
+ call append(0, content)
+ call cursor(1, 1)
+ normal zf2j
+ call assert_equal('1 aa', getline(foldclosed('.')))
+ normal zo
+ call assert_equal(-1, foldclosed('.'))
+ normal ]z
+ call assert_equal('3 cc', getline('.'))
+ normal zc
+ call assert_equal('1 aa', getline(foldclosed('.')))
+
+ set fdm&
+ enew!
+endfunc
+
+" test folding with markers.
+func Test_fold_marker()
+ enew!
+ set fdm=marker fdl=1 fdc=3
+
+ let content = ['4 dd {{{', '5 ee {{{ }}}', '6 ff }}}']
+ call append(0, content)
+ call cursor(2, 1)
+ call assert_equal(2, foldlevel('.'))
+ normal [z
+ call assert_equal(1, foldlevel('.'))
+ exe "normal jo{{ \<Esc>r{jj"
+ call assert_equal(1, foldlevel('.'))
+ normal kYpj
+ call assert_equal(0, foldlevel('.'))
+
+ set fdm& fdl& fdc&
+ enew!
+endfunc
+
+" test create fold markers with C filetype
+func Test_fold_create_marker_in_C()
+ enew!
+ set fdm=marker fdl=9
+ set filetype=c
+
+ let content =<< trim [CODE]
+ /*
+ * comment
+ *
+ *
+ */
+ int f(int* p) {
+ *p = 3;
+ return 0;
+ }
+ [CODE]
+
+ for c in range(len(content) - 1)
+ bw!
+ call append(0, content)
+ call cursor(c + 1, 1)
+ norm! zfG
+ call assert_equal(content[c] . (c < 4 ? '{{{' : '/*{{{*/'), getline(c + 1))
+ endfor
+
+ set fdm& fdl&
+ enew!
+endfunc
+
+" test folding with indent
+func Test_fold_indent()
+ enew!
+ set fdm=indent sw=2
+
+ let content = ['1 aa', '2 bb', '3 cc']
+ call append(0, content)
+ call cursor(2, 1)
+ exe "normal i \<Esc>jI "
+ call assert_equal(2, foldlevel('.'))
+ normal k
+ call assert_equal(1, foldlevel('.'))
+
+ set fdm& sw&
+ enew!
+endfunc
+
+" test syntax folding
+func Test_fold_syntax()
+ CheckFeature syntax
+
+ enew!
+ set fdm=syntax fdl=0
+
+ syn region Hup start="dd" end="ii" fold contains=Fd1,Fd2,Fd3
+ syn region Fd1 start="ee" end="ff" fold contained
+ syn region Fd2 start="gg" end="hh" fold contained
+ syn region Fd3 start="commentstart" end="commentend" fold contained
+ let content = ['3 cc', '4 dd {{{', '5 ee {{{ }}}', '{{{{', '6 ff }}}',
+ \ '6 ff }}}', '7 gg', '8 hh', '9 ii']
+ call append(0, content)
+ normal Gzk
+ call assert_equal('9 ii', getline('.'))
+ normal k
+ call assert_equal('3 cc', getline('.'))
+ exe "normal jAcommentstart \<Esc>Acommentend"
+ set fdl=1
+ normal 3j
+ call assert_equal('7 gg', getline('.'))
+ set fdl=0
+ exe "normal zO\<C-L>j"
+ call assert_equal('8 hh', getline('.'))
+ syn clear Fd1 Fd2 Fd3 Hup
+
+ set fdm& fdl&
+ enew!
+endfunc
+
+func Flvl()
+ let l = getline(v:lnum)
+ if l =~ "bb$"
+ return 2
+ elseif l =~ "gg$"
+ return "s1"
+ elseif l =~ "ii$"
+ return ">2"
+ elseif l =~ "kk$"
+ return "0"
+ endif
+ return "="
+endfun
+
+" test expression folding
+func Test_fold_expr()
+ enew!
+ set fdm=expr fde=Flvl()
+
+ let content = ['1 aa',
+ \ '2 bb',
+ \ '3 cc',
+ \ '4 dd {{{commentstart commentend',
+ \ '5 ee {{{ }}}',
+ \ '{{{',
+ \ '6 ff }}}',
+ \ '6 ff }}}',
+ \ ' 7 gg',
+ \ ' 8 hh',
+ \ '9 ii',
+ \ 'a jj',
+ \ 'b kk']
+ call append(0, content)
+ call cursor(1, 1)
+ exe "normal /bb$\<CR>"
+ call assert_equal(2, foldlevel('.'))
+ exe "normal /hh$\<CR>"
+ call assert_equal(1, foldlevel('.'))
+ exe "normal /ii$\<CR>"
+ call assert_equal(2, foldlevel('.'))
+ exe "normal /kk$\<CR>"
+ call assert_equal(0, foldlevel('.'))
+
+ set fdm& fde&
+ enew!
+endfunc
+
+" Bug with fdm=indent and moving folds
+" Moving a fold a few times, messes up the folds below the moved fold.
+" Fixed by 7.4.700
+func Test_fold_move()
+ enew!
+ set fdm=indent sw=2 fdl=0
+
+ let content = ['', '', 'Line1', ' Line2', ' Line3',
+ \ 'Line4', ' Line5', ' Line6',
+ \ 'Line7', ' Line8', ' Line9']
+ call append(0, content)
+ normal zM
+ call cursor(4, 1)
+ move 2
+ move 1
+ call assert_equal(7, foldclosed(7))
+ call assert_equal(8, foldclosedend(7))
+ call assert_equal(0, foldlevel(9))
+ call assert_equal(10, foldclosed(10))
+ call assert_equal(11, foldclosedend(10))
+ call assert_equal('+-- 2 lines: Line2', foldtextresult(2))
+ call assert_equal('+-- 2 lines: Line8', 10->foldtextresult())
+
+ set fdm& sw& fdl&
+ enew!
+endfunc
+
+" test for patch 7.3.637
+" Cannot catch the error caused by a foldopen when there is no fold.
+func Test_foldopen_exception()
+ enew!
+ let a = 'No error caught'
+ try
+ foldopen
+ catch
+ let a = matchstr(v:exception,'^[^ ]*')
+ endtry
+ call assert_equal('Vim(foldopen):E490:', a)
+
+ let a = 'No error caught'
+ try
+ foobar
+ catch
+ let a = matchstr(v:exception,'^[^ ]*')
+ endtry
+ call assert_match('E492:', a)
+endfunc
+
+func Test_fold_last_line_with_pagedown()
+ enew!
+ set fdm=manual
+
+ let expect = '+-- 11 lines: 9---'
+ let content = range(1,19)
+ call append(0, content)
+ normal dd9G
+ normal zfG
+ normal zt
+ call assert_equal('9', getline(foldclosed('.')))
+ call assert_equal('19', getline(foldclosedend('.')))
+ call assert_equal(expect, ScreenLines(1, len(expect))[0])
+ call feedkeys("\<C-F>", 'xt')
+ call assert_equal(expect, ScreenLines(1, len(expect))[0])
+ call feedkeys("\<C-F>", 'xt')
+ call assert_equal(expect, ScreenLines(1, len(expect))[0])
+ call feedkeys("\<C-B>\<C-F>\<C-F>", 'xt')
+ call assert_equal(expect, ScreenLines(1, len(expect))[0])
+
+ set fdm&
+ enew!
+endfunc
+
+func Test_folds_with_rnu()
+ CheckScreendump
+
+ call writefile([
+ \ 'set fdm=marker rnu foldcolumn=2',
+ \ 'call setline(1, ["{{{1", "nline 1", "{{{1", "line 2"])',
+ \ ], 'Xtest_folds_with_rnu')
+ let buf = RunVimInTerminal('-S Xtest_folds_with_rnu', {})
+
+ call VerifyScreenDump(buf, 'Test_folds_with_rnu_01', {})
+ call term_sendkeys(buf, "j")
+ call VerifyScreenDump(buf, 'Test_folds_with_rnu_02', {})
+
+ " clean up
+ call StopVimInTerminal(buf)
+ call delete('Xtest_folds_with_rnu')
+endfunc
+
+func Test_folds_marker_in_comment2()
+ new
+ call setline(1, ['Lorem ipsum dolor sit', 'Lorem ipsum dolor sit', 'Lorem ipsum dolor sit'])
+ setl fen fdm=marker
+ setl commentstring=<!--%s-->
+ setl comments=s:<!--,m:\ \ \ \ ,e:-->
+ norm! zf2j
+ setl nofen
+ :1y
+ call assert_equal(['Lorem ipsum dolor sit<!--{{{-->'], getreg(0,1,1))
+ :+2y
+ call assert_equal(['Lorem ipsum dolor sit<!--}}}-->'], getreg(0,1,1))
+
+ set foldmethod&
+ bwipe!
+endfunc
+
+func Test_fold_delete_with_marker()
+ new
+ call setline(1, ['func Func() {{{1', 'endfunc'])
+ 1,2yank
+ new
+ set fdm=marker
+ call setline(1, 'x')
+ normal! Vp
+ normal! zd
+ call assert_equal(['func Func() ', 'endfunc'], getline(1, '$'))
+
+ set fdm&
+ bwipe!
+ bwipe!
+endfunc
+
+func Test_fold_delete_with_marker_and_whichwrap()
+ new
+ let content1 = ['']
+ let content2 = ['folded line 1 "{{{1', ' test', ' test2', ' test3', '', 'folded line 2 "{{{1', ' test', ' test2', ' test3']
+ call setline(1, content1 + content2)
+ set fdm=marker ww+=l
+ normal! x
+ call assert_equal(content2, getline(1, '$'))
+ set fdm& ww&
+ bwipe!
+endfunc
+
+func Test_fold_delete_first_line()
+ new
+ call setline(1, [
+ \ '" x {{{1',
+ \ '" a',
+ \ '" aa',
+ \ '" x {{{1',
+ \ '" b',
+ \ '" bb',
+ \ '" x {{{1',
+ \ '" c',
+ \ '" cc',
+ \ ])
+ set foldmethod=marker
+ 1
+ normal dj
+ call assert_equal([
+ \ '" x {{{1',
+ \ '" c',
+ \ '" cc',
+ \ ], getline(1,'$'))
+ bwipe!
+ set foldmethod&
+endfunc
+
+" Test for errors in 'foldexpr'
+func Test_fold_expr_error()
+ new
+ call setline(1, ['one', 'two', 'three'])
+
+ " Return a list from the expression
+ set foldexpr=[]
+ set foldmethod=expr
+ for i in range(3)
+ call assert_equal(0, foldlevel(i))
+ endfor
+
+ " expression error
+ set foldexpr=[{]
+ set foldmethod=expr
+ for i in range(3)
+ call assert_equal(0, foldlevel(i))
+ endfor
+
+ set foldmethod& foldexpr&
+ close!
+endfunc
+
+func Test_undo_fold_deletion()
+ new
+ set fdm=marker
+ let lines =<< trim END
+ " {{{
+ " }}}1
+ " {{{
+ END
+ call setline(1, lines)
+ 3d
+ g/"/d
+ undo
+ redo
+ eval getline(1, '$')->assert_equal([''])
+
+ set fdm&vim
+ bwipe!
+endfunc
+
+" this was crashing
+func Test_move_no_folds()
+ new
+ fold
+ setlocal fdm=expr
+ normal zj
+ bwipe!
+endfunc
+
+" this was crashing
+func Test_fold_create_delete_create()
+ new
+ fold
+ fold
+ normal zd
+ fold
+ bwipe!
+endfunc
+
+" this was crashing
+func Test_fold_create_delete()
+ new
+ norm zFzFzdzj
+ bwipe!
+endfunc
+
+func Test_fold_relative_move()
+ enew!
+ set fdm=indent sw=2 wrap tw=80
+
+ let content = [ ' foo', ' bar', ' baz',
+ \ repeat('x', &columns + 1),
+ \ ' foo', ' bar', ' baz'
+ \ ]
+ call append(0, content)
+
+ normal zM
+
+ call cursor(3, 1)
+ call assert_true(foldclosed(line('.')))
+ normal gj
+ call assert_equal(2, winline())
+
+ call cursor(2, 1)
+ call assert_true(foldclosed(line('.')))
+ normal 2gj
+ call assert_equal(3, winline())
+
+ call cursor(5, 1)
+ call assert_true(foldclosed(line('.')))
+ normal gk
+ call assert_equal(3, winline())
+
+ call cursor(6, 1)
+ call assert_true(foldclosed(line('.')))
+ normal 2gk
+ call assert_equal(2, winline())
+
+ set fdm& sw& wrap& tw&
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 23:45:50 +0000