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+" Tests for the various 'formatoptions' settings
+
+source check.vim
+
+func Test_text_format()
+ enew!
+
+ setl noai tw=2 fo=t
+ call append('$', [
+ \ '{',
+ \ ' ',
+ \ '',
+ \ '}'])
+ exe "normal /^{/+1\n0"
+ normal gRa b
+ let lnum = line('.')
+ call assert_equal([
+ \ 'a',
+ \ 'b'], getline(lnum - 1, lnum))
+
+ normal ggdG
+ setl ai tw=2 fo=tw
+ call append('$', [
+ \ '{',
+ \ 'a b ',
+ \ '',
+ \ 'a ',
+ \ '}'])
+ exe "normal /^{/+1\n0"
+ normal gqgqjjllab
+ let lnum = line('.')
+ call assert_equal([
+ \ 'a ',
+ \ 'b ',
+ \ '',
+ \ 'a ',
+ \ 'b'], getline(lnum - 4, lnum))
+
+ normal ggdG
+ setl tw=3 fo=t
+ call append('$', [
+ \ '{',
+ \ "a \<C-A>",
+ \ '}'])
+ exe "normal /^{/+1\n0"
+ exe "normal gqgqo\na \<C-V>\<C-A>"
+ let lnum = line('.')
+ call assert_equal([
+ \ 'a',
+ \ "\<C-A>",
+ \ '',
+ \ 'a',
+ \ "\<C-A>"], getline(lnum - 4, lnum))
+
+ normal ggdG
+ setl tw=2 fo=tcq1 comments=:#
+ call append('$', [
+ \ '{',
+ \ 'a b',
+ \ '#a b',
+ \ '}'])
+ exe "normal /^{/+1\n0"
+ exe "normal gqgqjgqgqo\na b\n#a b"
+ let lnum = line('.')
+ call assert_equal([
+ \ 'a b',
+ \ '#a b',
+ \ '',
+ \ 'a b',
+ \ '#a b'], getline(lnum - 4, lnum))
+
+ normal ggdG
+ setl tw=5 fo=tcn comments=:#
+ call append('$', [
+ \ '{',
+ \ ' 1 a',
+ \ '# 1 a',
+ \ '}'])
+ exe "normal /^{/+1\n0"
+ exe "normal A b\<Esc>jA b"
+ let lnum = line('.')
+ call assert_equal([
+ \ ' 1 a',
+ \ ' b',
+ \ '# 1 a',
+ \ '# b'], getline(lnum - 3, lnum))
+
+ normal ggdG
+ setl tw=5 fo=t2a si
+ call append('$', [
+ \ '{',
+ \ '',
+ \ ' x a',
+ \ ' b',
+ \ ' c',
+ \ '',
+ \ '}'])
+ exe "normal /^{/+3\n0"
+ exe "normal i \<Esc>A_"
+ let lnum = line('.')
+ call assert_equal([
+ \ '',
+ \ ' x a',
+ \ ' b_',
+ \ ' c',
+ \ ''], getline(lnum - 2, lnum + 2))
+
+ normal ggdG
+ setl tw=5 fo=qn comments=:#
+ call append('$', [
+ \ '{',
+ \ '# 1 a b',
+ \ '}'])
+ exe "normal /^{/+1\n5|"
+ normal gwap
+ call assert_equal(5, col('.'))
+ let lnum = line('.')
+ call assert_equal([
+ \ '# 1 a',
+ \ '# b'], getline(lnum, lnum + 1))
+
+ normal ggdG
+ setl tw=5 fo=q2 comments=:#
+ call append('$', [
+ \ '{',
+ \ '# x',
+ \ '# a b',
+ \ '}'])
+ exe "normal /^{/+1\n0"
+ normal gwap
+ let lnum = line('.')
+ call assert_equal([
+ \ '# x a',
+ \ '# b'], getline(lnum, lnum + 1))
+
+ normal ggdG
+ setl tw& fo=a
+ call append('$', [
+ \ '{',
+ \ ' 1aa',
+ \ ' 2bb',
+ \ '}'])
+ exe "normal /^{/+2\n0"
+ normal I^^
+ call assert_equal('{ 1aa ^^2bb }', getline('.'))
+
+ normal ggdG
+ setl tw=20 fo=an12wcq comments=s1:/*,mb:*,ex:*/
+ call append('$', [
+ \ '/* abc def ghi jkl ',
+ \ ' * mno pqr stu',
+ \ ' */'])
+ exe "normal /mno pqr/\n"
+ normal A vwx yz
+ let lnum = line('.')
+ call assert_equal([
+ \ ' * mno pqr stu ',
+ \ ' * vwx yz',
+ \ ' */'], getline(lnum - 1, lnum + 1))
+
+ normal ggdG
+ setl tw=12 fo=tqnc comments=:#
+ call setline('.', '# 1 xxxxx')
+ normal A foobar
+ call assert_equal([
+ \ '# 1 xxxxx',
+ \ '# foobar'], getline(1, 2))
+
+ " Test the 'p' flag for 'formatoptions'
+ " First test without the flag: that it will break "Mr. Feynman" at the space
+ normal ggdG
+ setl tw=28 fo=tcq
+ call setline('.', 'Surely you''re joking, Mr. Feynman!')
+ normal gqq
+ call assert_equal([
+ \ 'Surely you''re joking, Mr.',
+ \ 'Feynman!'], getline(1, 2))
+ " Now test with the flag: that it will push the name with the title onto the
+ " next line
+ normal ggdG
+ setl fo+=p
+ call setline('.', 'Surely you''re joking, Mr. Feynman!')
+ normal gqq
+ call assert_equal([
+ \ 'Surely you''re joking,',
+ \ 'Mr. Feynman!'], getline(1, 2))
+ " Ensure that it will still break if two spaces are entered
+ normal ggdG
+ call setline('.', 'Surely you''re joking, Mr. Feynman!')
+ normal gqq
+ call assert_equal([
+ \ 'Surely you''re joking, Mr.',
+ \ 'Feynman!'], getline(1, 2))
+
+ setl ai& tw& fo& si& comments&
+ enew!
+endfunc
+
+func Test_format_c_comment()
+ new
+ setl ai cindent tw=40 et fo=croql
+ let text =<< trim END
+ var = 2345; // asdf asdf asdf asdf asdf asdf asdf asdf asdf asdf
+ END
+ call setline(1, text)
+ normal gql
+ let expected =<< trim END
+ var = 2345; // asdf asdf asdf asdf asdf
+ // asdf asdf asdf asdf asdf
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ %del
+ let text =<< trim END
+ var = 2345; // asdf asdf asdf asdf asdf asdf asdf asdf asdf asdf asdf asdf
+ END
+ call setline(1, text)
+ normal gql
+ let expected =<< trim END
+ var = 2345; // asdf asdf asdf asdf asdf
+ // asdf asdf asdf asdf asdf
+ // asdf asdf
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ %del
+ let text =<< trim END
+ #if 0 // This is another long end of
+ // line comment that
+ // wraps.
+ END
+ call setline(1, text)
+ normal gq2j
+ let expected =<< trim END
+ #if 0 // This is another long
+ // end of line comment
+ // that wraps.
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ " Using either "o" or "O" repeats a line comment occupying a whole line.
+ %del
+ let text =<< trim END
+ nop;
+ // This is a comment
+ val = val;
+ END
+ call setline(1, text)
+ normal 2Go
+ let expected =<< trim END
+ nop;
+ // This is a comment
+ //
+ val = val;
+ END
+ call assert_equal(expected, getline(1, '$'))
+ normal 2GO
+ let expected =<< trim END
+ nop;
+ //
+ // This is a comment
+ //
+ val = val;
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ " Using "o" repeats a line comment after a statement, "O" does not.
+ %del
+ let text =<< trim END
+ nop;
+ val = val; // This is a comment
+ END
+ call setline(1, text)
+ normal 2Go
+ let expected =<< trim END
+ nop;
+ val = val; // This is a comment
+ //
+ END
+ call assert_equal(expected, getline(1, '$'))
+ 3delete
+
+ " No comment repeated with a slash in 'formatoptions'
+ set fo+=/
+ normal 2Gox
+ let expected =<< trim END
+ nop;
+ val = val; // This is a comment
+ x
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ " Comment is formatted when it wraps
+ normal 2GA with some more text added
+ let expected =<< trim END
+ nop;
+ val = val; // This is a comment
+ // with some more text
+ // added
+ x
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ set fo-=/
+
+ " using 'indentexpr' instead of 'cindent' does not repeat a comment
+ setl nocindent indentexpr=2
+ %del
+ let text =<< trim END
+ nop;
+ val = val; // This is a comment
+ END
+ call setline(1, text)
+ normal 2Gox
+ let expected =<< trim END
+ nop;
+ val = val; // This is a comment
+ x
+ END
+ call assert_equal(expected, getline(1, '$'))
+ setl cindent indentexpr=
+ 3delete
+
+ normal 2GO
+ let expected =<< trim END
+ nop;
+
+ val = val; // This is a comment
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ " Using "o" does not repeat a comment in a string
+ %del
+ let text =<< trim END
+ nop;
+ val = " // This is not a comment";
+ END
+ call setline(1, text)
+ normal 2Gox
+ let expected =<< trim END
+ nop;
+ val = " // This is not a comment";
+ x
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ " Using CTRL-U after "o" fixes the indent
+ %del
+ let text =<< trim END
+ {
+ val = val; // This is a comment
+ END
+ call setline(1, text)
+ exe "normal! 2Go\<C-U>x\<Esc>"
+ let expected =<< trim END
+ {
+ val = val; // This is a comment
+ x
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ " typing comment text auto-wraps
+ %del
+ call setline(1, text)
+ exe "normal! 2GA blah more text blah.\<Esc>"
+ let expected =<< trim END
+ {
+ val = val; // This is a comment
+ // blah more text
+ // blah.
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ bwipe!
+endfunc
+
+" Tests for :right, :center and :left on text with embedded TAB.
+func Test_format_align()
+ enew!
+ set tw=65
+
+ " :left alignment
+ call append(0, [
+ \ " test for :left",
+ \ " a a",
+ \ " fa a",
+ \ " dfa a",
+ \ " sdfa a",
+ \ " asdfa a",
+ \ " xasdfa a",
+ \ "asxxdfa a",
+ \ ])
+ %left
+ call assert_equal([
+ \ "test for :left",
+ \ "a a",
+ \ "fa a",
+ \ "dfa a",
+ \ "sdfa a",
+ \ "asdfa a",
+ \ "xasdfa a",
+ \ "asxxdfa a",
+ \ ""
+ \ ], getline(1, '$'))
+ enew!
+
+ " :center alignment
+ call append(0, [
+ \ " test for :center",
+ \ " a a",
+ \ " fa afd asdf",
+ \ " dfa a",
+ \ " sdfa afd asdf",
+ \ " asdfa a",
+ \ " xasdfa asdfasdfasdfasdfasdf",
+ \ "asxxdfa a"
+ \ ])
+ %center
+ call assert_equal([
+ \ " test for :center",
+ \ " a a",
+ \ " fa afd asdf",
+ \ " dfa a",
+ \ " sdfa afd asdf",
+ \ " asdfa a",
+ \ " xasdfa asdfasdfasdfasdfasdf",
+ \ " asxxdfa a",
+ \ ""
+ \ ], getline(1, '$'))
+ enew!
+
+ " :right alignment
+ call append(0, [
+ \ " test for :right",
+ \ " a a",
+ \ " fa a",
+ \ " dfa a",
+ \ " sdfa a",
+ \ " asdfa a",
+ \ " xasdfa a",
+ \ " asxxdfa a",
+ \ " asxa;ofa a",
+ \ " asdfaqwer a",
+ \ " a ax",
+ \ " fa ax",
+ \ " dfa ax",
+ \ " sdfa ax",
+ \ " asdfa ax",
+ \ " xasdfa ax",
+ \ " asxxdfa ax",
+ \ " asxa;ofa ax",
+ \ " asdfaqwer ax",
+ \ " a axx",
+ \ " fa axx",
+ \ " dfa axx",
+ \ " sdfa axx",
+ \ " asdfa axx",
+ \ " xasdfa axx",
+ \ " asxxdfa axx",
+ \ " asxa;ofa axx",
+ \ " asdfaqwer axx",
+ \ " a axxx",
+ \ " fa axxx",
+ \ " dfa axxx",
+ \ " sdfa axxx",
+ \ " asdfa axxx",
+ \ " xasdfa axxx",
+ \ " asxxdfa axxx",
+ \ " asxa;ofa axxx",
+ \ " asdfaqwer axxx",
+ \ " a axxxo",
+ \ " fa axxxo",
+ \ " dfa axxxo",
+ \ " sdfa axxxo",
+ \ " asdfa axxxo",
+ \ " xasdfa axxxo",
+ \ " asxxdfa axxxo",
+ \ " asxa;ofa axxxo",
+ \ " asdfaqwer axxxo",
+ \ " a axxxoi",
+ \ " fa axxxoi",
+ \ " dfa axxxoi",
+ \ " sdfa axxxoi",
+ \ " asdfa axxxoi",
+ \ " xasdfa axxxoi",
+ \ " asxxdfa axxxoi",
+ \ " asxa;ofa axxxoi",
+ \ " asdfaqwer axxxoi",
+ \ " a axxxoik",
+ \ " fa axxxoik",
+ \ " dfa axxxoik",
+ \ " sdfa axxxoik",
+ \ " asdfa axxxoik",
+ \ " xasdfa axxxoik",
+ \ " asxxdfa axxxoik",
+ \ " asxa;ofa axxxoik",
+ \ " asdfaqwer axxxoik",
+ \ " a axxxoike",
+ \ " fa axxxoike",
+ \ " dfa axxxoike",
+ \ " sdfa axxxoike",
+ \ " asdfa axxxoike",
+ \ " xasdfa axxxoike",
+ \ " asxxdfa axxxoike",
+ \ " asxa;ofa axxxoike",
+ \ " asdfaqwer axxxoike",
+ \ " a axxxoikey",
+ \ " fa axxxoikey",
+ \ " dfa axxxoikey",
+ \ " sdfa axxxoikey",
+ \ " asdfa axxxoikey",
+ \ " xasdfa axxxoikey",
+ \ " asxxdfa axxxoikey",
+ \ " asxa;ofa axxxoikey",
+ \ " asdfaqwer axxxoikey",
+ \ ])
+ %right
+ call assert_equal([
+ \ "\t\t\t\t test for :right",
+ \ "\t\t\t\t a a",
+ \ "\t\t\t\t fa a",
+ \ "\t\t\t\t dfa a",
+ \ "\t\t\t\t sdfa a",
+ \ "\t\t\t\t asdfa a",
+ \ "\t\t\t\t xasdfa a",
+ \ "\t\t\t\t asxxdfa a",
+ \ "\t\t\t\t asxa;ofa a",
+ \ "\t\t\t\t asdfaqwer a",
+ \ "\t\t\t\t a ax",
+ \ "\t\t\t\t fa ax",
+ \ "\t\t\t\t dfa ax",
+ \ "\t\t\t\t sdfa ax",
+ \ "\t\t\t\t asdfa ax",
+ \ "\t\t\t\t xasdfa ax",
+ \ "\t\t\t\t asxxdfa ax",
+ \ "\t\t\t\t asxa;ofa ax",
+ \ "\t\t\t\t asdfaqwer ax",
+ \ "\t\t\t\t a axx",
+ \ "\t\t\t\t fa axx",
+ \ "\t\t\t\t dfa axx",
+ \ "\t\t\t\t sdfa axx",
+ \ "\t\t\t\t asdfa axx",
+ \ "\t\t\t\t xasdfa axx",
+ \ "\t\t\t\t asxxdfa axx",
+ \ "\t\t\t\t asxa;ofa axx",
+ \ "\t\t\t\t asdfaqwer axx",
+ \ "\t\t\t\t a axxx",
+ \ "\t\t\t\t fa axxx",
+ \ "\t\t\t\t dfa axxx",
+ \ "\t\t\t\t sdfa axxx",
+ \ "\t\t\t\t asdfa axxx",
+ \ "\t\t\t\t xasdfa axxx",
+ \ "\t\t\t\t asxxdfa axxx",
+ \ "\t\t\t\t asxa;ofa axxx",
+ \ "\t\t\t\t asdfaqwer axxx",
+ \ "\t\t\t\t a axxxo",
+ \ "\t\t\t\t fa axxxo",
+ \ "\t\t\t\t dfa axxxo",
+ \ "\t\t\t\t sdfa axxxo",
+ \ "\t\t\t\t asdfa axxxo",
+ \ "\t\t\t\t xasdfa axxxo",
+ \ "\t\t\t\t asxxdfa axxxo",
+ \ "\t\t\t\t asxa;ofa axxxo",
+ \ "\t\t\t\t asdfaqwer axxxo",
+ \ "\t\t\t\t a axxxoi",
+ \ "\t\t\t\t fa axxxoi",
+ \ "\t\t\t\t dfa axxxoi",
+ \ "\t\t\t\t sdfa axxxoi",
+ \ "\t\t\t\t asdfa axxxoi",
+ \ "\t\t\t\t xasdfa axxxoi",
+ \ "\t\t\t\t asxxdfa axxxoi",
+ \ "\t\t\t\t asxa;ofa axxxoi",
+ \ "\t\t\t\t asdfaqwer axxxoi",
+ \ "\t\t\t\t a axxxoik",
+ \ "\t\t\t\t fa axxxoik",
+ \ "\t\t\t\t dfa axxxoik",
+ \ "\t\t\t\t sdfa axxxoik",
+ \ "\t\t\t\t asdfa axxxoik",
+ \ "\t\t\t\t xasdfa axxxoik",
+ \ "\t\t\t\t asxxdfa axxxoik",
+ \ "\t\t\t\t asxa;ofa axxxoik",
+ \ "\t\t\t\t asdfaqwer axxxoik",
+ \ "\t\t\t\t a axxxoike",
+ \ "\t\t\t\t fa axxxoike",
+ \ "\t\t\t\t dfa axxxoike",
+ \ "\t\t\t\t sdfa axxxoike",
+ \ "\t\t\t\t asdfa axxxoike",
+ \ "\t\t\t\t xasdfa axxxoike",
+ \ "\t\t\t\t asxxdfa axxxoike",
+ \ "\t\t\t\t asxa;ofa axxxoike",
+ \ "\t\t\t\t asdfaqwer axxxoike",
+ \ "\t\t\t\t a axxxoikey",
+ \ "\t\t\t\t fa axxxoikey",
+ \ "\t\t\t\t dfa axxxoikey",
+ \ "\t\t\t\t sdfa axxxoikey",
+ \ "\t\t\t\t asdfa axxxoikey",
+ \ "\t\t\t\t xasdfa axxxoikey",
+ \ "\t\t\t\t asxxdfa axxxoikey",
+ \ "\t\t\t\t asxa;ofa axxxoikey",
+ \ "\t\t\t\t asdfaqwer axxxoikey",
+ \ ""
+ \ ], getline(1, '$'))
+ enew!
+
+ " align text with 'wrapmargin'
+ 50vnew
+ call setline(1, ['Vim'])
+ setl textwidth=0
+ setl wrapmargin=30
+ right
+ call assert_equal("\t\t Vim", getline(1))
+ q!
+
+ " align text with 'rightleft'
+ if has('rightleft')
+ new
+ call setline(1, 'Vim')
+ setlocal rightleft
+ left 20
+ setlocal norightleft
+ call assert_equal("\t\t Vim", getline(1))
+ setlocal rightleft
+ right
+ setlocal norightleft
+ call assert_equal("Vim", getline(1))
+ close!
+ endif
+
+ set tw&
+endfunc
+
+" Test formatting a paragraph.
+func Test_format_para()
+ enew!
+ set fo+=tcroql tw=72
+
+ call append(0, [
+ \ "xxxxx xx xxxxxx ",
+ \ "xxxxxxx xxxxxxxxx xxx xxxx xxxxx xxxxx xxx xx",
+ \ "xxxxxxxxxxxxxxxxxx xxxxx xxxx, xxxx xxxx xxxx xxxx xxx xx xx",
+ \ "xx xxxxxxx. xxxx xxxx.",
+ \ "",
+ \ "> xx xx, xxxx xxxx xxx xxxx xxx xxxxx xxx xxx xxxxxxx xxx xxxxx",
+ \ "> xxxxxx xxxxxxx: xxxx xxxxxxx, xx xxxxxx xxxx xxxxxxxxxx"
+ \ ])
+ exe "normal /xxxxxxxx$\<CR>"
+ normal 0gq6kk
+ call assert_equal([
+ \ "xxxxx xx xxxxxx xxxxxxx xxxxxxxxx xxx xxxx xxxxx xxxxx xxx xx",
+ \ "xxxxxxxxxxxxxxxxxx xxxxx xxxx, xxxx xxxx xxxx xxxx xxx xx xx xx xxxxxxx.",
+ \ "xxxx xxxx.",
+ \ "",
+ \ "> xx xx, xxxx xxxx xxx xxxx xxx xxxxx xxx xxx xxxxxxx xxx xxxxx xxxxxx",
+ \ "> xxxxxxx: xxxx xxxxxxx, xx xxxxxx xxxx xxxxxxxxxx",
+ \ ""
+ \ ], getline(1, '$'))
+
+ set fo& tw&
+ enew!
+endfunc
+
+" Test undo after ":%s" and formatting.
+func Test_format_undo()
+ enew!
+ map gg :.,.+2s/^/x/<CR>kk:set tw=3<CR>gqq
+
+ call append(0, [
+ \ "aa aa aa aa",
+ \ "bb bb bb bb",
+ \ "cc cc cc cc"
+ \ ])
+ " undo/redo here to make the next undo only work on the following changes
+ exe "normal i\<C-G>u"
+ call cursor(1,1)
+ normal ggu
+ call assert_equal([
+ \ "aa aa aa aa",
+ \ "bb bb bb bb",
+ \ "cc cc cc cc",
+ \ ""
+ \ ], getline(1, '$'))
+
+ unmap gg
+ set tw&
+ enew!
+endfunc
+
+func Test_format_list_auto()
+ new
+ call setline(1, ['1. abc', '2. def', '3. ghi'])
+ set fo=tan ai bs=2
+ call feedkeys("3G0lli\<BS>\<BS>x\<Esc>", 'tx')
+ call assert_equal('2. defx ghi', getline(2))
+ bwipe!
+ set fo& ai& bs&
+endfunc
+
+func Test_crash_github_issue_5095()
+ CheckFeature autocmd
+
+ " This used to segfault, see https://github.com/vim/vim/issues/5095
+ augroup testing
+ au BufNew x center
+ augroup END
+
+ next! x
+
+ bw
+ augroup testing
+ au!
+ augroup END
+ augroup! testing
+endfunc
+
+" Test for formatting multi-byte text with 'fo=t'
+func Test_tw_2_fo_t()
+ new
+ let t =<< trim END
+ {
+ XYZ
+ abc XYZ
+ }
+ END
+ call setline(1, t)
+ call cursor(2, 1)
+
+ set tw=2 fo=t
+ let t =<< trim END
+ XYZ
+ abc XYZ
+ END
+ exe "normal gqgqjgqgq"
+ exe "normal o\n" . join(t, "\n")
+
+ let expected =<< trim END
+ {
+ XYZ
+ abc
+ XYZ
+
+ XYZ
+ abc
+ XYZ
+ }
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ set tw& fo&
+ bwipe!
+endfunc
+
+" Test for formatting multi-byte text with 'fo=tm' and 'tw=1'
+func Test_tw_1_fo_tm()
+ new
+ let t =<< trim END
+ {
+ X
+ Xa
+ X a
+ XY
+ X Y
+ }
+ END
+ call setline(1, t)
+ call cursor(2, 1)
+
+ set tw=1 fo=tm
+ let t =<< trim END
+ X
+ Xa
+ X a
+ XY
+ X Y
+ END
+ exe "normal gqgqjgqgqjgqgqjgqgqjgqgq"
+ exe "normal o\n" . join(t, "\n")
+
+ let expected =<< trim END
+ {
+ X
+ X
+ a
+ X
+ a
+ X
+ Y
+ X
+ Y
+
+ X
+ X
+ a
+ X
+ a
+ X
+ Y
+ X
+ Y
+ }
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ set tw& fo&
+ bwipe!
+endfunc
+
+" Test for formatting multi-byte text with 'fo=tm' and 'tw=2'
+func Test_tw_2_fo_tm()
+ new
+ let t =<< trim END
+ {
+ X
+ Xa
+ X a
+ XY
+ X Y
+ aX
+ abX
+ abcX
+ abX c
+ abXY
+ }
+ END
+ call setline(1, t)
+ call cursor(2, 1)
+
+ set tw=2 fo=tm
+ let t =<< trim END
+ X
+ Xa
+ X a
+ XY
+ X Y
+ aX
+ abX
+ abcX
+ abX c
+ abXY
+ END
+ exe "normal gqgqjgqgqjgqgqjgqgqjgqgqjgqgqjgqgqjgqgqjgqgqjgqgq"
+ exe "normal o\n" . join(t, "\n")
+
+ let expected =<< trim END
+ {
+ X
+ X
+ a
+ X
+ a
+ X
+ Y
+ X
+ Y
+ a
+ X
+ ab
+ X
+ abc
+ X
+ ab
+ X
+ c
+ ab
+ X
+ Y
+
+ X
+ X
+ a
+ X
+ a
+ X
+ Y
+ X
+ Y
+ a
+ X
+ ab
+ X
+ abc
+ X
+ ab
+ X
+ c
+ ab
+ X
+ Y
+ }
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ set tw& fo&
+ bwipe!
+endfunc
+
+" Test for formatting multi-byte text with 'fo=tm', 'tw=2' and 'autoindent'.
+func Test_tw_2_fo_tm_ai()
+ new
+ let t =<< trim END
+ {
+ X
+ Xa
+ }
+ END
+ call setline(1, t)
+ call cursor(2, 1)
+
+ set ai tw=2 fo=tm
+ let t =<< trim END
+ X
+ Xa
+ END
+ exe "normal gqgqjgqgq"
+ exe "normal o\n" . join(t, "\n")
+
+ let expected =<< trim END
+ {
+ X
+ X
+ a
+
+ X
+ X
+ a
+ }
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ set tw& fo& ai&
+ bwipe!
+endfunc
+
+" Test for formatting multi-byte text with 'fo=tm', 'tw=2' and 'noai'.
+func Test_tw_2_fo_tm_noai()
+ new
+ let t =<< trim END
+ {
+ X
+ Xa
+ }
+ END
+ call setline(1, t)
+ call cursor(2, 1)
+
+ set noai tw=2 fo=tm
+ exe "normal gqgqjgqgqo\n X\n Xa"
+
+ let expected =<< trim END
+ {
+ X
+ X
+ a
+
+ X
+ X
+ a
+ }
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ set tw& fo& ai&
+ bwipe!
+endfunc
+
+func Test_tw_2_fo_tm_replace()
+ new
+ let t =<< trim END
+ {
+
+ }
+ END
+ call setline(1, t)
+ call cursor(2, 1)
+
+ set tw=2 fo=tm
+ exe "normal RXa"
+
+ let expected =<< trim END
+ {
+ X
+ a
+ }
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ set tw& fo&
+ bwipe!
+endfunc
+
+" Test for 'matchpairs' with multibyte chars
+func Test_mps_multibyte()
+ new
+ let t =<< trim END
+ {
+ ‘ two three ’ four
+ }
+ END
+ call setline(1, t)
+ call cursor(2, 1)
+
+ exe "set mps+=\u2018:\u2019"
+ normal d%
+
+ let expected =<< trim END
+ {
+ four
+ }
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ set mps&
+ bwipe!
+endfunc
+
+" Test for 'matchpairs' in latin1 encoding
+func Test_mps_latin1()
+ new
+ let save_enc = &encoding
+ set encoding=latin1
+ call setline(1, 'abc(def)ghi')
+ normal %
+ call assert_equal(8, col('.'))
+ normal %
+ call assert_equal(4, col('.'))
+ call cursor(1, 6)
+ normal [(
+ call assert_equal(4, col('.'))
+ normal %
+ call assert_equal(8, col('.'))
+ call cursor(1, 6)
+ normal ])
+ call assert_equal(8, col('.'))
+ normal %
+ call assert_equal(4, col('.'))
+ let &encoding = save_enc
+ close!
+endfunc
+
+func Test_empty_matchpairs()
+ split
+ set matchpairs= showmatch
+ call assert_nobeep('call feedkeys("ax\tx\t\<Esc>", "xt")')
+ set matchpairs& noshowmatch
+ bwipe!
+endfunc
+
+func Test_mps_error()
+ let encoding_save = &encoding
+
+ for e in ['utf-8', 'latin1']
+ exe 'set encoding=' .. e
+
+ call assert_fails('set mps=<:', 'E474:', e)
+ call assert_fails('set mps=:>', 'E474:', e)
+ call assert_fails('set mps=<>', 'E474:', e)
+ call assert_fails('set mps=<:>_', 'E474:', e)
+ endfor
+
+ let &encoding = encoding_save
+endfunc
+
+" Test for ra on multi-byte characters
+func Test_ra_multibyte()
+ new
+ let t =<< trim END
+ ra test
+ abba
+ aab
+ END
+ call setline(1, t)
+ call cursor(1, 1)
+
+ normal jVjra
+
+ let expected =<< trim END
+ ra test
+ aaaa
+ aaa
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ bwipe!
+endfunc
+
+" Test for 'whichwrap' with multi-byte character
+func Test_whichwrap_multi_byte()
+ new
+ let t =<< trim END
+ á
+ x
+ END
+ call setline(1, t)
+ call cursor(2, 1)
+
+ set whichwrap+=h
+ normal dh
+ set whichwrap&
+
+ let expected =<< trim END
+ áx
+ END
+ call assert_equal(expected, getline(1, '$'))
+
+ bwipe!
+endfunc
+
+" Test for 'a' and 'w' flags in 'formatoptions'
+func Test_fo_a_w()
+ new
+ setlocal fo+=aw tw=10
+ call feedkeys("iabc abc a abc\<Esc>k0weade", 'xt')
+ call assert_equal(['abc abcde ', 'a abc'], getline(1, '$'))
+
+ " when a line ends with space, it is not broken up.
+ %d
+ call feedkeys("ione two to ", 'xt')
+ call assert_equal('one two to ', getline(1))
+
+ " when a line ends with spaces and backspace is used in the next line, the
+ " last space in the previous line should be removed.
+ %d
+ set backspace=indent,eol,start
+ call setline(1, ['one ', 'two'])
+ exe "normal 2Gi\<BS>"
+ call assert_equal(['one two'], getline(1, '$'))
+ set backspace&
+
+ " Test for 'a', 'w' and '1' options.
+ setlocal textwidth=0
+ setlocal fo=1aw
+ %d
+ call setline(1, '. foo')
+ normal 72ig
+ call feedkeys('a uu uu uu', 'xt')
+ call assert_equal('g uu uu ', getline(1)[-8:])
+ call assert_equal(['uu. foo'], getline(2, '$'))
+
+ " using backspace or "x" triggers reformat
+ call setline(1, ['1 2 3 4 5 ', '6 7 8 9'])
+ set tw=10
+ set fo=taw
+ set bs=indent,eol,start
+ exe "normal 1G4la\<BS>\<BS>\<Esc>"
+ call assert_equal(['1 2 4 5 6 ', '7 8 9'], getline(1, 2))
+ exe "normal f4xx"
+ call assert_equal(['1 2 5 6 7 ', '8 9'], getline(1, 2))
+
+ " using "cw" leaves cursor in right spot
+ call setline(1, ['Now we g whether that nation, or',
+ \ 'any nation so conceived and,'])
+ set fo=tcqa tw=35
+ exe "normal 2G0cwx\<Esc>"
+ call assert_equal(['Now we g whether that nation, or x', 'nation so conceived and,'], getline(1, 2))
+
+ set tw=0
+ set fo&
+ %bw!
+endfunc
+
+" Test for formatting lines using gq in visual mode
+func Test_visual_gq_format()
+ new
+ call setline(1, ['one two three four', 'five six', 'one two'])
+ setl textwidth=10
+ call feedkeys('ggv$jj', 'xt')
+ redraw!
+ normal gq
+ %d
+ call setline(1, ['one two three four', 'five six', 'one two'])
+ normal G$
+ call feedkeys('v0kk', 'xt')
+ redraw!
+ normal gq
+ setl textwidth&
+ close!
+endfunc
+
+" Test for 'n' flag in 'formatoptions' to format numbered lists
+func Test_fo_n()
+ new
+ setlocal autoindent
+ setlocal textwidth=12
+ setlocal fo=n
+ call setline(1, [' 1) one two three four', ' 2) two'])
+ normal gggqG
+ call assert_equal([' 1) one two', ' three', ' four', ' 2) two'],
+ \ getline(1, '$'))
+ close!
+endfunc
+
+" Test for 'formatlistpat' option
+func Test_formatlistpat()
+ new
+ setlocal autoindent
+ setlocal textwidth=10
+ setlocal fo=n
+ setlocal formatlistpat=^\\s*-\\s*
+ call setline(1, [' - one two three', ' - two'])
+ normal gggqG
+ call assert_equal([' - one', ' two', ' three', ' - two'],
+ \ getline(1, '$'))
+ close!
+endfunc
+
+" Test for the 'b' and 'v' flags in 'formatoptions'
+" Text should wrap only if a space character is inserted at or before
+" 'textwidth'
+func Test_fo_b()
+ new
+ setlocal textwidth=20
+
+ setlocal formatoptions=t
+ call setline(1, 'one two three four')
+ call feedkeys('Amore', 'xt')
+ call assert_equal(['one two three', 'fourmore'], getline(1, '$'))
+
+ setlocal formatoptions=bt
+ %d
+ call setline(1, 'one two three four')
+ call feedkeys('Amore five', 'xt')
+ call assert_equal(['one two three fourmore five'], getline(1, '$'))
+
+ setlocal formatoptions=bt
+ %d
+ call setline(1, 'one two three four')
+ call feedkeys('A five', 'xt')
+ call assert_equal(['one two three four', 'five'], getline(1, '$'))
+
+ setlocal formatoptions=vt
+ %d
+ call setline(1, 'one two three four')
+ call feedkeys('Amore five', 'xt')
+ call assert_equal(['one two three fourmore', 'five'], getline(1, '$'))
+
+ close!
+endfunc
+
+" Test for the '1' flag in 'formatoptions'. Don't wrap text after a one letter
+" word.
+func Test_fo_1()
+ new
+ setlocal textwidth=20
+
+ setlocal formatoptions=t
+ call setline(1, 'one two three four')
+ call feedkeys('A a bird', 'xt')
+ call assert_equal(['one two three four a', 'bird'], getline(1, '$'))
+
+ %d
+ setlocal formatoptions=t1
+ call setline(1, 'one two three four')
+ call feedkeys('A a bird', 'xt')
+ call assert_equal(['one two three four', 'a bird'], getline(1, '$'))
+
+ close!
+endfunc
+
+" Test for 'l' flag in 'formatoptions'. When starting insert mode, if a line
+" is longer than 'textwidth', then it is not broken.
+func Test_fo_l()
+ new
+ setlocal textwidth=20
+
+ setlocal formatoptions=t
+ call setline(1, 'one two three four five')
+ call feedkeys('A six', 'xt')
+ call assert_equal(['one two three four', 'five six'], getline(1, '$'))
+
+ %d
+ setlocal formatoptions=tl
+ call setline(1, 'one two three four five')
+ call feedkeys('A six', 'xt')
+ call assert_equal(['one two three four five six'], getline(1, '$'))
+
+ close!
+endfunc
+
+" Test for the '2' flag in 'formatoptions'
+func Test_fo_2()
+ new
+ setlocal autoindent
+ setlocal formatoptions=t2
+ setlocal textwidth=30
+ call setline(1, ["\tfirst line of a paragraph.",
+ \ "second line of the same paragraph.",
+ \ "third line."])
+ normal gggqG
+ call assert_equal(["\tfirst line of a",
+ \ "paragraph. second line of the",
+ \ "same paragraph. third line."], getline(1, '$'))
+ close!
+endfunc
+
+" This was leaving the cursor after the end of a line. Complicated way to
+" have the problem show up with valgrind.
+func Test_correct_cursor_position()
+ set encoding=iso8859
+ new
+ norm a000“0
+ sil! norm gggg0i0gw0gg
+
+ bwipe!
+ set encoding=utf8
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab