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+" Tests for various functions.
+source shared.vim
+
+" Must be done first, since the alternate buffer must be unset.
+func Test_00_bufexists()
+ call assert_equal(0, bufexists('does_not_exist'))
+ call assert_equal(1, bufexists(bufnr('%')))
+ call assert_equal(0, bufexists(0))
+ new Xfoo
+ let bn = bufnr('%')
+ call assert_equal(1, bufexists(bn))
+ call assert_equal(1, bufexists('Xfoo'))
+ call assert_equal(1, bufexists(getcwd() . '/Xfoo'))
+ call assert_equal(1, bufexists(0))
+ bw
+ call assert_equal(0, bufexists(bn))
+ call assert_equal(0, bufexists('Xfoo'))
+endfunc
+
+func Test_empty()
+ call assert_equal(1, empty(''))
+ call assert_equal(0, empty('a'))
+
+ call assert_equal(1, empty(0))
+ call assert_equal(1, empty(-0))
+ call assert_equal(0, empty(1))
+ call assert_equal(0, empty(-1))
+
+ call assert_equal(1, empty(0.0))
+ call assert_equal(1, empty(-0.0))
+ call assert_equal(0, empty(1.0))
+ call assert_equal(0, empty(-1.0))
+ call assert_equal(0, empty(1.0/0.0))
+ call assert_equal(0, empty(0.0/0.0))
+
+ call assert_equal(1, empty([]))
+ call assert_equal(0, empty(['a']))
+
+ call assert_equal(1, empty({}))
+ call assert_equal(0, empty({'a':1}))
+
+ call assert_equal(1, empty(v:null))
+ call assert_equal(1, empty(v:none))
+ call assert_equal(1, empty(v:false))
+ call assert_equal(0, empty(v:true))
+
+ if has('channel')
+ call assert_equal(1, empty(test_null_channel()))
+ endif
+ if has('job')
+ call assert_equal(1, empty(test_null_job()))
+ endif
+
+ call assert_equal(0, empty(function('Test_empty')))
+endfunc
+
+func Test_len()
+ call assert_equal(1, len(0))
+ call assert_equal(2, len(12))
+
+ call assert_equal(0, len(''))
+ call assert_equal(2, len('ab'))
+
+ call assert_equal(0, len([]))
+ call assert_equal(2, len([2, 1]))
+
+ call assert_equal(0, len({}))
+ call assert_equal(2, len({'a': 1, 'b': 2}))
+
+ call assert_fails('call len(v:none)', 'E701:')
+ call assert_fails('call len({-> 0})', 'E701:')
+endfunc
+
+func Test_max()
+ call assert_equal(0, max([]))
+ call assert_equal(2, max([2]))
+ call assert_equal(2, max([1, 2]))
+ call assert_equal(2, max([1, 2, v:null]))
+
+ call assert_equal(0, max({}))
+ call assert_equal(2, max({'a':1, 'b':2}))
+
+ call assert_fails('call max(1)', 'E712:')
+ call assert_fails('call max(v:none)', 'E712:')
+endfunc
+
+func Test_min()
+ call assert_equal(0, min([]))
+ call assert_equal(2, min([2]))
+ call assert_equal(1, min([1, 2]))
+ call assert_equal(0, min([1, 2, v:null]))
+
+ call assert_equal(0, min({}))
+ call assert_equal(1, min({'a':1, 'b':2}))
+
+ call assert_fails('call min(1)', 'E712:')
+ call assert_fails('call min(v:none)', 'E712:')
+endfunc
+
+func Test_strwidth()
+ for aw in ['single', 'double']
+ exe 'set ambiwidth=' . aw
+ call assert_equal(0, strwidth(''))
+ call assert_equal(1, strwidth("\t"))
+ call assert_equal(3, strwidth('Vim'))
+ call assert_equal(4, strwidth(1234))
+ call assert_equal(5, strwidth(-1234))
+
+ call assert_equal(2, strwidth('😉'))
+ call assert_equal(17, strwidth('Eĥoŝanĝo ĉiuĵaŭde'))
+ call assert_equal((aw == 'single') ? 6 : 7, strwidth('Straße'))
+
+ call assert_fails('call strwidth({->0})', 'E729:')
+ call assert_fails('call strwidth([])', 'E730:')
+ call assert_fails('call strwidth({})', 'E731:')
+ call assert_fails('call strwidth(1.2)', 'E806:')
+ endfor
+
+ set ambiwidth&
+endfunc
+
+func Test_str2nr()
+ call assert_equal(0, str2nr(''))
+ call assert_equal(1, str2nr('1'))
+ call assert_equal(1, str2nr(' 1 '))
+
+ call assert_equal(1, str2nr('+1'))
+ call assert_equal(1, str2nr('+ 1'))
+ call assert_equal(1, str2nr(' + 1 '))
+
+ call assert_equal(-1, str2nr('-1'))
+ call assert_equal(-1, str2nr('- 1'))
+ call assert_equal(-1, str2nr(' - 1 '))
+
+ call assert_equal(123456789, str2nr('123456789'))
+ call assert_equal(-123456789, str2nr('-123456789'))
+
+ call assert_equal(5, str2nr('101', 2))
+ call assert_equal(5, str2nr('0b101', 2))
+ call assert_equal(5, str2nr('0B101', 2))
+ call assert_equal(-5, str2nr('-101', 2))
+ call assert_equal(-5, str2nr('-0b101', 2))
+ call assert_equal(-5, str2nr('-0B101', 2))
+
+ call assert_equal(65, str2nr('101', 8))
+ call assert_equal(65, str2nr('0101', 8))
+ call assert_equal(-65, str2nr('-101', 8))
+ call assert_equal(-65, str2nr('-0101', 8))
+
+ call assert_equal(11259375, str2nr('abcdef', 16))
+ call assert_equal(11259375, str2nr('ABCDEF', 16))
+ call assert_equal(-11259375, str2nr('-ABCDEF', 16))
+ call assert_equal(11259375, str2nr('0xabcdef', 16))
+ call assert_equal(11259375, str2nr('0Xabcdef', 16))
+ call assert_equal(11259375, str2nr('0XABCDEF', 16))
+ call assert_equal(-11259375, str2nr('-0xABCDEF', 16))
+
+ call assert_equal(0, str2nr('0x10'))
+ call assert_equal(0, str2nr('0b10'))
+ call assert_equal(1, str2nr('12', 2))
+ call assert_equal(1, str2nr('18', 8))
+ call assert_equal(1, str2nr('1g', 16))
+
+ call assert_equal(0, str2nr(v:null))
+ call assert_equal(0, str2nr(v:none))
+
+ call assert_fails('call str2nr([])', 'E730:')
+ call assert_fails('call str2nr({->2})', 'E729:')
+ call assert_fails('call str2nr(1.2)', 'E806:')
+ call assert_fails('call str2nr(10, [])', 'E474:')
+endfunc
+
+func Test_strftime()
+ if !exists('*strftime')
+ return
+ endif
+ " Format of strftime() depends on system. We assume
+ " that basic formats tested here are available and
+ " identical on all systems which support strftime().
+ "
+ " The 2nd parameter of strftime() is a local time, so the output day
+ " of strftime() can be 17 or 18, depending on timezone.
+ call assert_match('^2017-01-1[78]$', strftime('%Y-%m-%d', 1484695512))
+ "
+ call assert_match('^\d\d\d\d-\(0\d\|1[012]\)-\([012]\d\|3[01]\) \([01]\d\|2[0-3]\):[0-5]\d:\([0-5]\d\|60\)$', strftime('%Y-%m-%d %H:%M:%S'))
+
+ call assert_fails('call strftime([])', 'E730:')
+ call assert_fails('call strftime("%Y", [])', 'E745:')
+endfunc
+
+func Test_resolve()
+ if !has('unix')
+ return
+ endif
+
+ " Xlink1 -> Xlink2
+ " Xlink2 -> Xlink3
+ silent !ln -s -f Xlink2 Xlink1
+ silent !ln -s -f Xlink3 Xlink2
+ call assert_equal('Xlink3', resolve('Xlink1'))
+ call assert_equal('./Xlink3', resolve('./Xlink1'))
+ call assert_equal('Xlink3/', resolve('Xlink2/'))
+ " FIXME: these tests result in things like "Xlink2/" instead of "Xlink3/"?!
+ "call assert_equal('Xlink3/', resolve('Xlink1/'))
+ "call assert_equal('./Xlink3/', resolve('./Xlink1/'))
+ "call assert_equal(getcwd() . '/Xlink3/', resolve(getcwd() . '/Xlink1/'))
+ call assert_equal(getcwd() . '/Xlink3', resolve(getcwd() . '/Xlink1'))
+
+ " Test resolve() with a symlink cycle.
+ " Xlink1 -> Xlink2
+ " Xlink2 -> Xlink3
+ " Xlink3 -> Xlink1
+ silent !ln -s -f Xlink1 Xlink3
+ call assert_fails('call resolve("Xlink1")', 'E655:')
+ call assert_fails('call resolve("./Xlink1")', 'E655:')
+ call assert_fails('call resolve("Xlink2")', 'E655:')
+ call assert_fails('call resolve("Xlink3")', 'E655:')
+ call delete('Xlink1')
+ call delete('Xlink2')
+ call delete('Xlink3')
+
+ silent !ln -s -f Xdir//Xfile Xlink
+ call assert_equal('Xdir/Xfile', resolve('Xlink'))
+ call delete('Xlink')
+
+ silent !ln -s -f Xlink2/ Xlink1
+ call assert_equal('Xlink2', resolve('Xlink1'))
+ call assert_equal('Xlink2/', resolve('Xlink1/'))
+ call delete('Xlink1')
+
+ silent !ln -s -f ./Xlink2 Xlink1
+ call assert_equal('Xlink2', resolve('Xlink1'))
+ call assert_equal('./Xlink2', resolve('./Xlink1'))
+ call delete('Xlink1')
+endfunc
+
+func Test_simplify()
+ call assert_equal('', simplify(''))
+ call assert_equal('/', simplify('/'))
+ call assert_equal('/', simplify('/.'))
+ call assert_equal('/', simplify('/..'))
+ call assert_equal('/...', simplify('/...'))
+ call assert_equal('./dir/file', simplify('./dir/file'))
+ call assert_equal('./dir/file', simplify('.///dir//file'))
+ call assert_equal('./dir/file', simplify('./dir/./file'))
+ call assert_equal('./file', simplify('./dir/../file'))
+ call assert_equal('../dir/file', simplify('dir/../../dir/file'))
+ call assert_equal('./file', simplify('dir/.././file'))
+
+ call assert_fails('call simplify({->0})', 'E729:')
+ call assert_fails('call simplify([])', 'E730:')
+ call assert_fails('call simplify({})', 'E731:')
+ call assert_fails('call simplify(1.2)', 'E806:')
+endfunc
+
+func Test_pathshorten()
+ call assert_equal('', pathshorten(''))
+ call assert_equal('foo', pathshorten('foo'))
+ call assert_equal('/foo', pathshorten('/foo'))
+ call assert_equal('f/', pathshorten('foo/'))
+ call assert_equal('f/bar', pathshorten('foo/bar'))
+ call assert_equal('f/b/foobar', pathshorten('foo/bar/foobar'))
+ call assert_equal('/f/b/foobar', pathshorten('/foo/bar/foobar'))
+ call assert_equal('.f/bar', pathshorten('.foo/bar'))
+ call assert_equal('~f/bar', pathshorten('~foo/bar'))
+ call assert_equal('~.f/bar', pathshorten('~.foo/bar'))
+ call assert_equal('.~f/bar', pathshorten('.~foo/bar'))
+ call assert_equal('~/f/bar', pathshorten('~/foo/bar'))
+endfunc
+
+func Test_strpart()
+ call assert_equal('de', strpart('abcdefg', 3, 2))
+ call assert_equal('ab', strpart('abcdefg', -2, 4))
+ call assert_equal('abcdefg', strpart('abcdefg', -2))
+ call assert_equal('fg', strpart('abcdefg', 5, 4))
+ call assert_equal('defg', strpart('abcdefg', 3))
+
+ call assert_equal('lép', strpart('éléphant', 2, 4))
+ call assert_equal('léphant', strpart('éléphant', 2))
+endfunc
+
+func Test_tolower()
+ call assert_equal("", tolower(""))
+
+ " Test with all printable ASCII characters.
+ call assert_equal(' !"#$%&''()*+,-./0123456789:;<=>?@abcdefghijklmnopqrstuvwxyz[\]^_`abcdefghijklmnopqrstuvwxyz{|}~',
+ \ tolower(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~'))
+
+ " Test with a few uppercase diacritics.
+ call assert_equal("aàáâãäåāăąǎǟǡả", tolower("AÀÁÂÃÄÅĀĂĄǍǞǠẢ"))
+ call assert_equal("bḃḇ", tolower("BḂḆ"))
+ call assert_equal("cçćĉċč", tolower("CÇĆĈĊČ"))
+ call assert_equal("dďđḋḏḑ", tolower("DĎĐḊḎḐ"))
+ call assert_equal("eèéêëēĕėęěẻẽ", tolower("EÈÉÊËĒĔĖĘĚẺẼ"))
+ call assert_equal("fḟ ", tolower("FḞ "))
+ call assert_equal("gĝğġģǥǧǵḡ", tolower("GĜĞĠĢǤǦǴḠ"))
+ call assert_equal("hĥħḣḧḩ", tolower("HĤĦḢḦḨ"))
+ call assert_equal("iìíîïĩīĭįiǐỉ", tolower("IÌÍÎÏĨĪĬĮİǏỈ"))
+ call assert_equal("jĵ", tolower("JĴ"))
+ call assert_equal("kķǩḱḵ", tolower("KĶǨḰḴ"))
+ call assert_equal("lĺļľŀłḻ", tolower("LĹĻĽĿŁḺ"))
+ call assert_equal("mḿṁ", tolower("MḾṀ"))
+ call assert_equal("nñńņňṅṉ", tolower("NÑŃŅŇṄṈ"))
+ call assert_equal("oòóôõöøōŏőơǒǫǭỏ", tolower("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ"))
+ call assert_equal("pṕṗ", tolower("PṔṖ"))
+ call assert_equal("q", tolower("Q"))
+ call assert_equal("rŕŗřṙṟ", tolower("RŔŖŘṘṞ"))
+ call assert_equal("sśŝşšṡ", tolower("SŚŜŞŠṠ"))
+ call assert_equal("tţťŧṫṯ", tolower("TŢŤŦṪṮ"))
+ call assert_equal("uùúûüũūŭůűųưǔủ", tolower("UÙÚÛÜŨŪŬŮŰŲƯǓỦ"))
+ call assert_equal("vṽ", tolower("VṼ"))
+ call assert_equal("wŵẁẃẅẇ", tolower("WŴẀẂẄẆ"))
+ call assert_equal("xẋẍ", tolower("XẊẌ"))
+ call assert_equal("yýŷÿẏỳỷỹ", tolower("YÝŶŸẎỲỶỸ"))
+ call assert_equal("zźżžƶẑẕ", tolower("ZŹŻŽƵẐẔ"))
+
+ " Test with a few lowercase diacritics, which should remain unchanged.
+ call assert_equal("aàáâãäåāăąǎǟǡả", tolower("aàáâãäåāăąǎǟǡả"))
+ call assert_equal("bḃḇ", tolower("bḃḇ"))
+ call assert_equal("cçćĉċč", tolower("cçćĉċč"))
+ call assert_equal("dďđḋḏḑ", tolower("dďđḋḏḑ"))
+ call assert_equal("eèéêëēĕėęěẻẽ", tolower("eèéêëēĕėęěẻẽ"))
+ call assert_equal("fḟ", tolower("fḟ"))
+ call assert_equal("gĝğġģǥǧǵḡ", tolower("gĝğġģǥǧǵḡ"))
+ call assert_equal("hĥħḣḧḩẖ", tolower("hĥħḣḧḩẖ"))
+ call assert_equal("iìíîïĩīĭįǐỉ", tolower("iìíîïĩīĭįǐỉ"))
+ call assert_equal("jĵǰ", tolower("jĵǰ"))
+ call assert_equal("kķǩḱḵ", tolower("kķǩḱḵ"))
+ call assert_equal("lĺļľŀłḻ", tolower("lĺļľŀłḻ"))
+ call assert_equal("mḿṁ ", tolower("mḿṁ "))
+ call assert_equal("nñńņňʼnṅṉ", tolower("nñńņňʼnṅṉ"))
+ call assert_equal("oòóôõöøōŏőơǒǫǭỏ", tolower("oòóôõöøōŏőơǒǫǭỏ"))
+ call assert_equal("pṕṗ", tolower("pṕṗ"))
+ call assert_equal("q", tolower("q"))
+ call assert_equal("rŕŗřṙṟ", tolower("rŕŗřṙṟ"))
+ call assert_equal("sśŝşšṡ", tolower("sśŝşšṡ"))
+ call assert_equal("tţťŧṫṯẗ", tolower("tţťŧṫṯẗ"))
+ call assert_equal("uùúûüũūŭůűųưǔủ", tolower("uùúûüũūŭůűųưǔủ"))
+ call assert_equal("vṽ", tolower("vṽ"))
+ call assert_equal("wŵẁẃẅẇẘ", tolower("wŵẁẃẅẇẘ"))
+ call assert_equal("ẋẍ", tolower("ẋẍ"))
+ call assert_equal("yýÿŷẏẙỳỷỹ", tolower("yýÿŷẏẙỳỷỹ"))
+ call assert_equal("zźżžƶẑẕ", tolower("zźżžƶẑẕ"))
+
+ " According to https://twitter.com/jifa/status/625776454479970304
+ " Ⱥ (U+023A) and Ⱦ (U+023E) are the *only* code points to increase
+ " in length (2 to 3 bytes) when lowercased. So let's test them.
+ call assert_equal("ⱥ ⱦ", tolower("Ⱥ Ⱦ"))
+
+ " This call to tolower with invalid utf8 sequence used to cause access to
+ " invalid memory.
+ call tolower("\xC0\x80\xC0")
+ call tolower("123\xC0\x80\xC0")
+endfunc
+
+func Test_toupper()
+ call assert_equal("", toupper(""))
+
+ " Test with all printable ASCII characters.
+ call assert_equal(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`ABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~',
+ \ toupper(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~'))
+
+ " Test with a few lowercase diacritics.
+ call assert_equal("AÀÁÂÃÄÅĀĂĄǍǞǠẢ", toupper("aàáâãäåāăąǎǟǡả"))
+ call assert_equal("BḂḆ", toupper("bḃḇ"))
+ call assert_equal("CÇĆĈĊČ", toupper("cçćĉċč"))
+ call assert_equal("DĎĐḊḎḐ", toupper("dďđḋḏḑ"))
+ call assert_equal("EÈÉÊËĒĔĖĘĚẺẼ", toupper("eèéêëēĕėęěẻẽ"))
+ call assert_equal("FḞ", toupper("fḟ"))
+ call assert_equal("GĜĞĠĢǤǦǴḠ", toupper("gĝğġģǥǧǵḡ"))
+ call assert_equal("HĤĦḢḦḨẖ", toupper("hĥħḣḧḩẖ"))
+ call assert_equal("IÌÍÎÏĨĪĬĮǏỈ", toupper("iìíîïĩīĭįǐỉ"))
+ call assert_equal("JĴǰ", toupper("jĵǰ"))
+ call assert_equal("KĶǨḰḴ", toupper("kķǩḱḵ"))
+ call assert_equal("LĹĻĽĿŁḺ", toupper("lĺļľŀłḻ"))
+ call assert_equal("MḾṀ ", toupper("mḿṁ "))
+ call assert_equal("NÑŃŅŇʼnṄṈ", toupper("nñńņňʼnṅṉ"))
+ call assert_equal("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ", toupper("oòóôõöøōŏőơǒǫǭỏ"))
+ call assert_equal("PṔṖ", toupper("pṕṗ"))
+ call assert_equal("Q", toupper("q"))
+ call assert_equal("RŔŖŘṘṞ", toupper("rŕŗřṙṟ"))
+ call assert_equal("SŚŜŞŠṠ", toupper("sśŝşšṡ"))
+ call assert_equal("TŢŤŦṪṮẗ", toupper("tţťŧṫṯẗ"))
+ call assert_equal("UÙÚÛÜŨŪŬŮŰŲƯǓỦ", toupper("uùúûüũūŭůűųưǔủ"))
+ call assert_equal("VṼ", toupper("vṽ"))
+ call assert_equal("WŴẀẂẄẆẘ", toupper("wŵẁẃẅẇẘ"))
+ call assert_equal("ẊẌ", toupper("ẋẍ"))
+ call assert_equal("YÝŸŶẎẙỲỶỸ", toupper("yýÿŷẏẙỳỷỹ"))
+ call assert_equal("ZŹŻŽƵẐẔ", toupper("zźżžƶẑẕ"))
+
+ " Test that uppercase diacritics, which should remain unchanged.
+ call assert_equal("AÀÁÂÃÄÅĀĂĄǍǞǠẢ", toupper("AÀÁÂÃÄÅĀĂĄǍǞǠẢ"))
+ call assert_equal("BḂḆ", toupper("BḂḆ"))
+ call assert_equal("CÇĆĈĊČ", toupper("CÇĆĈĊČ"))
+ call assert_equal("DĎĐḊḎḐ", toupper("DĎĐḊḎḐ"))
+ call assert_equal("EÈÉÊËĒĔĖĘĚẺẼ", toupper("EÈÉÊËĒĔĖĘĚẺẼ"))
+ call assert_equal("FḞ ", toupper("FḞ "))
+ call assert_equal("GĜĞĠĢǤǦǴḠ", toupper("GĜĞĠĢǤǦǴḠ"))
+ call assert_equal("HĤĦḢḦḨ", toupper("HĤĦḢḦḨ"))
+ call assert_equal("IÌÍÎÏĨĪĬĮİǏỈ", toupper("IÌÍÎÏĨĪĬĮİǏỈ"))
+ call assert_equal("JĴ", toupper("JĴ"))
+ call assert_equal("KĶǨḰḴ", toupper("KĶǨḰḴ"))
+ call assert_equal("LĹĻĽĿŁḺ", toupper("LĹĻĽĿŁḺ"))
+ call assert_equal("MḾṀ", toupper("MḾṀ"))
+ call assert_equal("NÑŃŅŇṄṈ", toupper("NÑŃŅŇṄṈ"))
+ call assert_equal("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ", toupper("OÒÓÔÕÖØŌŎŐƠǑǪǬỎ"))
+ call assert_equal("PṔṖ", toupper("PṔṖ"))
+ call assert_equal("Q", toupper("Q"))
+ call assert_equal("RŔŖŘṘṞ", toupper("RŔŖŘṘṞ"))
+ call assert_equal("SŚŜŞŠṠ", toupper("SŚŜŞŠṠ"))
+ call assert_equal("TŢŤŦṪṮ", toupper("TŢŤŦṪṮ"))
+ call assert_equal("UÙÚÛÜŨŪŬŮŰŲƯǓỦ", toupper("UÙÚÛÜŨŪŬŮŰŲƯǓỦ"))
+ call assert_equal("VṼ", toupper("VṼ"))
+ call assert_equal("WŴẀẂẄẆ", toupper("WŴẀẂẄẆ"))
+ call assert_equal("XẊẌ", toupper("XẊẌ"))
+ call assert_equal("YÝŶŸẎỲỶỸ", toupper("YÝŶŸẎỲỶỸ"))
+ call assert_equal("ZŹŻŽƵẐẔ", toupper("ZŹŻŽƵẐẔ"))
+
+ call assert_equal("Ⱥ Ⱦ", toupper("ⱥ ⱦ"))
+
+ " This call to toupper with invalid utf8 sequence used to cause access to
+ " invalid memory.
+ call toupper("\xC0\x80\xC0")
+ call toupper("123\xC0\x80\xC0")
+endfunc
+
+" Tests for the mode() function
+let current_modes = ''
+func Save_mode()
+ let g:current_modes = mode(0) . '-' . mode(1)
+ return ''
+endfunc
+
+func Test_mode()
+ new
+ call append(0, ["Blue Ball Black", "Brown Band Bowl", ""])
+
+ " Only complete from the current buffer.
+ set complete=.
+
+ inoremap <F2> <C-R>=Save_mode()<CR>
+
+ normal! 3G
+ exe "normal i\<F2>\<Esc>"
+ call assert_equal('i-i', g:current_modes)
+ " i_CTRL-P: Multiple matches
+ exe "normal i\<C-G>uBa\<C-P>\<F2>\<Esc>u"
+ call assert_equal('i-ic', g:current_modes)
+ " i_CTRL-P: Single match
+ exe "normal iBro\<C-P>\<F2>\<Esc>u"
+ call assert_equal('i-ic', g:current_modes)
+ " i_CTRL-X
+ exe "normal iBa\<C-X>\<F2>\<Esc>u"
+ call assert_equal('i-ix', g:current_modes)
+ " i_CTRL-X CTRL-P: Multiple matches
+ exe "normal iBa\<C-X>\<C-P>\<F2>\<Esc>u"
+ call assert_equal('i-ic', g:current_modes)
+ " i_CTRL-X CTRL-P: Single match
+ exe "normal iBro\<C-X>\<C-P>\<F2>\<Esc>u"
+ call assert_equal('i-ic', g:current_modes)
+ " i_CTRL-X CTRL-P + CTRL-P: Single match
+ exe "normal iBro\<C-X>\<C-P>\<C-P>\<F2>\<Esc>u"
+ call assert_equal('i-ic', g:current_modes)
+ " i_CTRL-X CTRL-L: Multiple matches
+ exe "normal i\<C-X>\<C-L>\<F2>\<Esc>u"
+ call assert_equal('i-ic', g:current_modes)
+ " i_CTRL-X CTRL-L: Single match
+ exe "normal iBlu\<C-X>\<C-L>\<F2>\<Esc>u"
+ call assert_equal('i-ic', g:current_modes)
+ " i_CTRL-P: No match
+ exe "normal iCom\<C-P>\<F2>\<Esc>u"
+ call assert_equal('i-ic', g:current_modes)
+ " i_CTRL-X CTRL-P: No match
+ exe "normal iCom\<C-X>\<C-P>\<F2>\<Esc>u"
+ call assert_equal('i-ic', g:current_modes)
+ " i_CTRL-X CTRL-L: No match
+ exe "normal iabc\<C-X>\<C-L>\<F2>\<Esc>u"
+ call assert_equal('i-ic', g:current_modes)
+
+ " R_CTRL-P: Multiple matches
+ exe "normal RBa\<C-P>\<F2>\<Esc>u"
+ call assert_equal('R-Rc', g:current_modes)
+ " R_CTRL-P: Single match
+ exe "normal RBro\<C-P>\<F2>\<Esc>u"
+ call assert_equal('R-Rc', g:current_modes)
+ " R_CTRL-X
+ exe "normal RBa\<C-X>\<F2>\<Esc>u"
+ call assert_equal('R-Rx', g:current_modes)
+ " R_CTRL-X CTRL-P: Multiple matches
+ exe "normal RBa\<C-X>\<C-P>\<F2>\<Esc>u"
+ call assert_equal('R-Rc', g:current_modes)
+ " R_CTRL-X CTRL-P: Single match
+ exe "normal RBro\<C-X>\<C-P>\<F2>\<Esc>u"
+ call assert_equal('R-Rc', g:current_modes)
+ " R_CTRL-X CTRL-P + CTRL-P: Single match
+ exe "normal RBro\<C-X>\<C-P>\<C-P>\<F2>\<Esc>u"
+ call assert_equal('R-Rc', g:current_modes)
+ " R_CTRL-X CTRL-L: Multiple matches
+ exe "normal R\<C-X>\<C-L>\<F2>\<Esc>u"
+ call assert_equal('R-Rc', g:current_modes)
+ " R_CTRL-X CTRL-L: Single match
+ exe "normal RBlu\<C-X>\<C-L>\<F2>\<Esc>u"
+ call assert_equal('R-Rc', g:current_modes)
+ " R_CTRL-P: No match
+ exe "normal RCom\<C-P>\<F2>\<Esc>u"
+ call assert_equal('R-Rc', g:current_modes)
+ " R_CTRL-X CTRL-P: No match
+ exe "normal RCom\<C-X>\<C-P>\<F2>\<Esc>u"
+ call assert_equal('R-Rc', g:current_modes)
+ " R_CTRL-X CTRL-L: No match
+ exe "normal Rabc\<C-X>\<C-L>\<F2>\<Esc>u"
+ call assert_equal('R-Rc', g:current_modes)
+
+ call assert_equal('n', mode(0))
+ call assert_equal('n', mode(1))
+
+ " i_CTRL-O
+ exe "normal i\<C-O>:call Save_mode()\<Cr>\<Esc>"
+ call assert_equal("n-niI", g:current_modes)
+
+ " R_CTRL-O
+ exe "normal R\<C-O>:call Save_mode()\<Cr>\<Esc>"
+ call assert_equal("n-niR", g:current_modes)
+
+ " gR_CTRL-O
+ exe "normal gR\<C-O>:call Save_mode()\<Cr>\<Esc>"
+ call assert_equal("n-niV", g:current_modes)
+
+ " How to test operator-pending mode?
+
+ call feedkeys("v", 'xt')
+ call assert_equal('v', mode())
+ call assert_equal('v', mode(1))
+ call feedkeys("\<Esc>V", 'xt')
+ call assert_equal('V', mode())
+ call assert_equal('V', mode(1))
+ call feedkeys("\<Esc>\<C-V>", 'xt')
+ call assert_equal("\<C-V>", mode())
+ call assert_equal("\<C-V>", mode(1))
+ call feedkeys("\<Esc>", 'xt')
+
+ call feedkeys("gh", 'xt')
+ call assert_equal('s', mode())
+ call assert_equal('s', mode(1))
+ call feedkeys("\<Esc>gH", 'xt')
+ call assert_equal('S', mode())
+ call assert_equal('S', mode(1))
+ call feedkeys("\<Esc>g\<C-H>", 'xt')
+ call assert_equal("\<C-S>", mode())
+ call assert_equal("\<C-S>", mode(1))
+ call feedkeys("\<Esc>", 'xt')
+
+ call feedkeys(":echo \<C-R>=Save_mode()\<C-U>\<CR>", 'xt')
+ call assert_equal('c-c', g:current_modes)
+ call feedkeys("gQecho \<C-R>=Save_mode()\<CR>\<CR>vi\<CR>", 'xt')
+ call assert_equal('c-cv', g:current_modes)
+ " How to test Ex mode?
+
+ bwipe!
+ iunmap <F2>
+ set complete&
+endfunc
+
+func Test_getbufvar()
+ let bnr = bufnr('%')
+ let b:var_num = '1234'
+ let def_num = '5678'
+ call assert_equal('1234', getbufvar(bnr, 'var_num'))
+ call assert_equal('1234', getbufvar(bnr, 'var_num', def_num))
+
+ let bd = getbufvar(bnr, '')
+ call assert_equal('1234', bd['var_num'])
+ call assert_true(exists("bd['changedtick']"))
+ call assert_equal(2, len(bd))
+
+ let bd2 = getbufvar(bnr, '', def_num)
+ call assert_equal(bd, bd2)
+
+ unlet b:var_num
+ call assert_equal(def_num, getbufvar(bnr, 'var_num', def_num))
+ call assert_equal('', getbufvar(bnr, 'var_num'))
+
+ let bd = getbufvar(bnr, '')
+ call assert_equal(1, len(bd))
+ let bd = getbufvar(bnr, '',def_num)
+ call assert_equal(1, len(bd))
+
+ call assert_equal('', getbufvar(9999, ''))
+ call assert_equal(def_num, getbufvar(9999, '', def_num))
+ unlet def_num
+
+ call assert_equal(0, getbufvar(bnr, '&autoindent'))
+ call assert_equal(0, getbufvar(bnr, '&autoindent', 1))
+
+ " Open new window with forced option values
+ set fileformats=unix,dos
+ new ++ff=dos ++bin ++enc=iso-8859-2
+ call assert_equal('dos', getbufvar(bufnr('%'), '&fileformat'))
+ call assert_equal(1, getbufvar(bufnr('%'), '&bin'))
+ call assert_equal('iso-8859-2', getbufvar(bufnr('%'), '&fenc'))
+ close
+
+ set fileformats&
+endfunc
+
+func Test_last_buffer_nr()
+ call assert_equal(bufnr('$'), last_buffer_nr())
+endfunc
+
+func Test_stridx()
+ call assert_equal(-1, stridx('', 'l'))
+ call assert_equal(0, stridx('', ''))
+ call assert_equal(0, stridx('hello', ''))
+ call assert_equal(-1, stridx('hello', 'L'))
+ call assert_equal(2, stridx('hello', 'l', -1))
+ call assert_equal(2, stridx('hello', 'l', 0))
+ call assert_equal(2, stridx('hello', 'l', 1))
+ call assert_equal(3, stridx('hello', 'l', 3))
+ call assert_equal(-1, stridx('hello', 'l', 4))
+ call assert_equal(-1, stridx('hello', 'l', 10))
+ call assert_equal(2, stridx('hello', 'll'))
+ call assert_equal(-1, stridx('hello', 'hello world'))
+endfunc
+
+func Test_strridx()
+ call assert_equal(-1, strridx('', 'l'))
+ call assert_equal(0, strridx('', ''))
+ call assert_equal(5, strridx('hello', ''))
+ call assert_equal(-1, strridx('hello', 'L'))
+ call assert_equal(3, strridx('hello', 'l'))
+ call assert_equal(3, strridx('hello', 'l', 10))
+ call assert_equal(3, strridx('hello', 'l', 3))
+ call assert_equal(2, strridx('hello', 'l', 2))
+ call assert_equal(-1, strridx('hello', 'l', 1))
+ call assert_equal(-1, strridx('hello', 'l', 0))
+ call assert_equal(-1, strridx('hello', 'l', -1))
+ call assert_equal(2, strridx('hello', 'll'))
+ call assert_equal(-1, strridx('hello', 'hello world'))
+endfunc
+
+func Test_match_func()
+ call assert_equal(4, match('testing', 'ing'))
+ call assert_equal(4, match('testing', 'ing', 2))
+ call assert_equal(-1, match('testing', 'ing', 5))
+ call assert_equal(-1, match('testing', 'ing', 8))
+ call assert_equal(1, match(['vim', 'testing', 'execute'], 'ing'))
+ call assert_equal(-1, match(['vim', 'testing', 'execute'], 'img'))
+endfunc
+
+func Test_matchend()
+ call assert_equal(7, matchend('testing', 'ing'))
+ call assert_equal(7, matchend('testing', 'ing', 2))
+ call assert_equal(-1, matchend('testing', 'ing', 5))
+ call assert_equal(-1, matchend('testing', 'ing', 8))
+ call assert_equal(match(['vim', 'testing', 'execute'], 'ing'), matchend(['vim', 'testing', 'execute'], 'ing'))
+ call assert_equal(match(['vim', 'testing', 'execute'], 'img'), matchend(['vim', 'testing', 'execute'], 'img'))
+endfunc
+
+func Test_matchlist()
+ call assert_equal(['acd', 'a', '', 'c', 'd', '', '', '', '', ''], matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)'))
+ call assert_equal(['d', '', '', '', 'd', '', '', '', '', ''], matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)', 2))
+ call assert_equal([], matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)', 4))
+endfunc
+
+func Test_matchstr()
+ call assert_equal('ing', matchstr('testing', 'ing'))
+ call assert_equal('ing', matchstr('testing', 'ing', 2))
+ call assert_equal('', matchstr('testing', 'ing', 5))
+ call assert_equal('', matchstr('testing', 'ing', 8))
+ call assert_equal('testing', matchstr(['vim', 'testing', 'execute'], 'ing'))
+ call assert_equal('', matchstr(['vim', 'testing', 'execute'], 'img'))
+endfunc
+
+func Test_matchstrpos()
+ call assert_equal(['ing', 4, 7], matchstrpos('testing', 'ing'))
+ call assert_equal(['ing', 4, 7], matchstrpos('testing', 'ing', 2))
+ call assert_equal(['', -1, -1], matchstrpos('testing', 'ing', 5))
+ call assert_equal(['', -1, -1], matchstrpos('testing', 'ing', 8))
+ call assert_equal(['ing', 1, 4, 7], matchstrpos(['vim', 'testing', 'execute'], 'ing'))
+ call assert_equal(['', -1, -1, -1], matchstrpos(['vim', 'testing', 'execute'], 'img'))
+endfunc
+
+func Test_nextnonblank_prevnonblank()
+ new
+insert
+This
+
+
+is
+
+a
+Test
+.
+ call assert_equal(0, nextnonblank(-1))
+ call assert_equal(0, nextnonblank(0))
+ call assert_equal(1, nextnonblank(1))
+ call assert_equal(4, nextnonblank(2))
+ call assert_equal(4, nextnonblank(3))
+ call assert_equal(4, nextnonblank(4))
+ call assert_equal(6, nextnonblank(5))
+ call assert_equal(6, nextnonblank(6))
+ call assert_equal(7, nextnonblank(7))
+ call assert_equal(0, nextnonblank(8))
+
+ call assert_equal(0, prevnonblank(-1))
+ call assert_equal(0, prevnonblank(0))
+ call assert_equal(1, prevnonblank(1))
+ call assert_equal(1, prevnonblank(2))
+ call assert_equal(1, prevnonblank(3))
+ call assert_equal(4, prevnonblank(4))
+ call assert_equal(4, prevnonblank(5))
+ call assert_equal(6, prevnonblank(6))
+ call assert_equal(7, prevnonblank(7))
+ call assert_equal(0, prevnonblank(8))
+ bw!
+endfunc
+
+func Test_byte2line_line2byte()
+ new
+ set endofline
+ call setline(1, ['a', 'bc', 'd'])
+
+ set fileformat=unix
+ call assert_equal([-1, -1, 1, 1, 2, 2, 2, 3, 3, -1],
+ \ map(range(-1, 8), 'byte2line(v:val)'))
+ call assert_equal([-1, -1, 1, 3, 6, 8, -1],
+ \ map(range(-1, 5), 'line2byte(v:val)'))
+
+ set fileformat=mac
+ call assert_equal([-1, -1, 1, 1, 2, 2, 2, 3, 3, -1],
+ \ map(range(-1, 8), 'byte2line(v:val)'))
+ call assert_equal([-1, -1, 1, 3, 6, 8, -1],
+ \ map(range(-1, 5), 'line2byte(v:val)'))
+
+ set fileformat=dos
+ call assert_equal([-1, -1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, -1],
+ \ map(range(-1, 11), 'byte2line(v:val)'))
+ call assert_equal([-1, -1, 1, 4, 8, 11, -1],
+ \ map(range(-1, 5), 'line2byte(v:val)'))
+
+ bw!
+ set noendofline nofixendofline
+ normal a-
+ for ff in ["unix", "mac", "dos"]
+ let &fileformat = ff
+ call assert_equal(1, line2byte(1))
+ call assert_equal(2, line2byte(2)) " line2byte(line("$") + 1) is the buffer size plus one (as per :help line2byte).
+ endfor
+
+ set endofline& fixendofline& fileformat&
+ bw!
+endfunc
+
+func Test_count()
+ let l = ['a', 'a', 'A', 'b']
+ call assert_equal(2, count(l, 'a'))
+ call assert_equal(1, count(l, 'A'))
+ call assert_equal(1, count(l, 'b'))
+ call assert_equal(0, count(l, 'B'))
+
+ call assert_equal(2, count(l, 'a', 0))
+ call assert_equal(1, count(l, 'A', 0))
+ call assert_equal(1, count(l, 'b', 0))
+ call assert_equal(0, count(l, 'B', 0))
+
+ call assert_equal(3, count(l, 'a', 1))
+ call assert_equal(3, count(l, 'A', 1))
+ call assert_equal(1, count(l, 'b', 1))
+ call assert_equal(1, count(l, 'B', 1))
+ call assert_equal(0, count(l, 'c', 1))
+
+ call assert_equal(1, count(l, 'a', 0, 1))
+ call assert_equal(2, count(l, 'a', 1, 1))
+ call assert_fails('call count(l, "a", 0, 10)', 'E684:')
+
+ let d = {1: 'a', 2: 'a', 3: 'A', 4: 'b'}
+ call assert_equal(2, count(d, 'a'))
+ call assert_equal(1, count(d, 'A'))
+ call assert_equal(1, count(d, 'b'))
+ call assert_equal(0, count(d, 'B'))
+
+ call assert_equal(2, count(d, 'a', 0))
+ call assert_equal(1, count(d, 'A', 0))
+ call assert_equal(1, count(d, 'b', 0))
+ call assert_equal(0, count(d, 'B', 0))
+
+ call assert_equal(3, count(d, 'a', 1))
+ call assert_equal(3, count(d, 'A', 1))
+ call assert_equal(1, count(d, 'b', 1))
+ call assert_equal(1, count(d, 'B', 1))
+ call assert_equal(0, count(d, 'c', 1))
+
+ call assert_fails('call count(d, "a", 0, 1)', 'E474:')
+
+ call assert_equal(0, count("foo", "bar"))
+ call assert_equal(1, count("foo", "oo"))
+ call assert_equal(2, count("foo", "o"))
+ call assert_equal(0, count("foo", "O"))
+ call assert_equal(2, count("foo", "O", 1))
+ call assert_equal(2, count("fooooo", "oo"))
+ call assert_equal(0, count("foo", ""))
+endfunc
+
+func Test_changenr()
+ new Xchangenr
+ call assert_equal(0, changenr())
+ norm ifoo
+ call assert_equal(1, changenr())
+ set undolevels=10
+ norm Sbar
+ call assert_equal(2, changenr())
+ undo
+ call assert_equal(1, changenr())
+ redo
+ call assert_equal(2, changenr())
+ bw!
+ set undolevels&
+endfunc
+
+func Test_filewritable()
+ new Xfilewritable
+ write!
+ call assert_equal(1, filewritable('Xfilewritable'))
+
+ call assert_notequal(0, setfperm('Xfilewritable', 'r--r-----'))
+ call assert_equal(0, filewritable('Xfilewritable'))
+
+ call assert_notequal(0, setfperm('Xfilewritable', 'rw-r-----'))
+ call assert_equal(1, filewritable('Xfilewritable'))
+
+ call assert_equal(0, filewritable('doesnotexist'))
+
+ call delete('Xfilewritable')
+ bw!
+endfunc
+
+func Test_Executable()
+ if has('win32')
+ call assert_equal(1, executable('notepad'))
+ call assert_equal(1, executable('notepad.exe'))
+ call assert_equal(0, executable('notepad.exe.exe'))
+ call assert_equal(0, executable('shell32.dll'))
+ call assert_equal(0, executable('win.ini'))
+ elseif has('unix')
+ call assert_equal(1, executable('cat'))
+ call assert_equal(0, executable('nodogshere'))
+ endif
+endfunc
+
+func Test_hostname()
+ let hostname_vim = hostname()
+ if has('unix')
+ let hostname_system = systemlist('uname -n')[0]
+ call assert_equal(hostname_vim, hostname_system)
+ endif
+endfunc
+
+func Test_getpid()
+ " getpid() always returns the same value within a vim instance.
+ call assert_equal(getpid(), getpid())
+ if has('unix')
+ call assert_equal(systemlist('echo $PPID')[0], string(getpid()))
+ endif
+endfunc
+
+func Test_hlexists()
+ call assert_equal(0, hlexists('does_not_exist'))
+ call assert_equal(0, hlexists('Number'))
+ call assert_equal(0, highlight_exists('does_not_exist'))
+ call assert_equal(0, highlight_exists('Number'))
+ syntax on
+ call assert_equal(0, hlexists('does_not_exist'))
+ call assert_equal(1, hlexists('Number'))
+ call assert_equal(0, highlight_exists('does_not_exist'))
+ call assert_equal(1, highlight_exists('Number'))
+ syntax off
+endfunc
+
+func Test_col()
+ new
+ call setline(1, 'abcdef')
+ norm gg4|mx6|mY2|
+ call assert_equal(2, col('.'))
+ call assert_equal(7, col('$'))
+ call assert_equal(4, col("'x"))
+ call assert_equal(6, col("'Y"))
+ call assert_equal(2, col([1, 2]))
+ call assert_equal(7, col([1, '$']))
+
+ call assert_equal(0, col(''))
+ call assert_equal(0, col('x'))
+ call assert_equal(0, col([2, '$']))
+ call assert_equal(0, col([1, 100]))
+ call assert_equal(0, col([1]))
+ bw!
+endfunc
+
+func Test_inputlist()
+ call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>1\<cr>", 'tx')
+ call assert_equal(1, c)
+ call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>2\<cr>", 'tx')
+ call assert_equal(2, c)
+ call feedkeys(":let c = inputlist(['Select color:', '1. red', '2. green', '3. blue'])\<cr>3\<cr>", 'tx')
+ call assert_equal(3, c)
+
+ call assert_fails('call inputlist("")', 'E686:')
+endfunc
+
+func Test_balloon_show()
+ if has('balloon_eval')
+ " This won't do anything but must not crash either.
+ call balloon_show('hi!')
+ endif
+endfunc
+
+func Test_setbufvar_options()
+ " This tests that aucmd_prepbuf() and aucmd_restbuf() properly restore the
+ " window layout.
+ call assert_equal(1, winnr('$'))
+ split dummy_preview
+ resize 2
+ set winfixheight winfixwidth
+ let prev_id = win_getid()
+
+ wincmd j
+ let wh = winheight('.')
+ let dummy_buf = bufnr('dummy_buf1', v:true)
+ call setbufvar(dummy_buf, '&buftype', 'nofile')
+ execute 'belowright vertical split #' . dummy_buf
+ call assert_equal(wh, winheight('.'))
+ let dum1_id = win_getid()
+
+ wincmd h
+ let wh = winheight('.')
+ let dummy_buf = bufnr('dummy_buf2', v:true)
+ call setbufvar(dummy_buf, '&buftype', 'nofile')
+ execute 'belowright vertical split #' . dummy_buf
+ call assert_equal(wh, winheight('.'))
+
+ bwipe!
+ call win_gotoid(prev_id)
+ bwipe!
+ call win_gotoid(dum1_id)
+ bwipe!
+endfunc
+
+func Test_redo_in_nested_functions()
+ nnoremap g. :set opfunc=Operator<CR>g@
+ function Operator( type, ... )
+ let @x = 'XXX'
+ execute 'normal! g`[' . (a:type ==# 'line' ? 'V' : 'v') . 'g`]' . '"xp'
+ endfunction
+
+ function! Apply()
+ 5,6normal! .
+ endfunction
+
+ new
+ call setline(1, repeat(['some "quoted" text', 'more "quoted" text'], 3))
+ 1normal g.i"
+ call assert_equal('some "XXX" text', getline(1))
+ 3,4normal .
+ call assert_equal('some "XXX" text', getline(3))
+ call assert_equal('more "XXX" text', getline(4))
+ call Apply()
+ call assert_equal('some "XXX" text', getline(5))
+ call assert_equal('more "XXX" text', getline(6))
+ bwipe!
+
+ nunmap g.
+ delfunc Operator
+ delfunc Apply
+endfunc
+
+func Test_shellescape()
+ let save_shell = &shell
+ set shell=bash
+ call assert_equal("'text'", shellescape('text'))
+ call assert_equal("'te\"xt'", shellescape('te"xt'))
+ call assert_equal("'te'\\''xt'", shellescape("te'xt"))
+
+ call assert_equal("'te%xt'", shellescape("te%xt"))
+ call assert_equal("'te\\%xt'", shellescape("te%xt", 1))
+ call assert_equal("'te#xt'", shellescape("te#xt"))
+ call assert_equal("'te\\#xt'", shellescape("te#xt", 1))
+ call assert_equal("'te!xt'", shellescape("te!xt"))
+ call assert_equal("'te\\!xt'", shellescape("te!xt", 1))
+
+ call assert_equal("'te\nxt'", shellescape("te\nxt"))
+ call assert_equal("'te\\\nxt'", shellescape("te\nxt", 1))
+ set shell=tcsh
+ call assert_equal("'te\\!xt'", shellescape("te!xt"))
+ call assert_equal("'te\\\\!xt'", shellescape("te!xt", 1))
+ call assert_equal("'te\\\nxt'", shellescape("te\nxt"))
+ call assert_equal("'te\\\\\nxt'", shellescape("te\nxt", 1))
+
+ let &shell = save_shell
+endfunc
+
+func Test_trim()
+ call assert_equal("Testing", trim(" \t\r\r\x0BTesting \t\n\r\n\t\x0B\x0B"))
+ call assert_equal("Testing", trim(" \t \r\r\n\n\x0BTesting \t\n\r\n\t\x0B\x0B"))
+ call assert_equal("RESERVE", trim("xyz \twwRESERVEzyww \t\t", " wxyz\t"))
+ call assert_equal("wRE \tSERVEzyww", trim("wRE \tSERVEzyww"))
+ call assert_equal("abcd\t xxxx tail", trim(" \tabcd\t xxxx tail"))
+ call assert_equal("\tabcd\t xxxx tail", trim(" \tabcd\t xxxx tail", " "))
+ call assert_equal(" \tabcd\t xxxx tail", trim(" \tabcd\t xxxx tail", "abx"))
+ call assert_equal("RESERVE", trim("你RESERVE好", "你好"))
+ call assert_equal("您R E SER V E早", trim("你好您R E SER V E早好你你", "你好"))
+ call assert_equal("你好您R E SER V E早好你你", trim(" \n\r\r 你好您R E SER V E早好你你 \t \x0B", ))
+ call assert_equal("您R E SER V E早好你你 \t \x0B", trim(" 你好您R E SER V E早好你你 \t \x0B", " 你好"))
+ call assert_equal("您R E SER V E早好你你 \t \x0B", trim(" tteesstttt你好您R E SER V E早好你你 \t \x0B ttestt", " 你好tes"))
+ call assert_equal("您R E SER V E早好你你 \t \x0B", trim(" tteesstttt你好您R E SER V E早好你你 \t \x0B ttestt", " 你你你好好好tttsses"))
+ call assert_equal("留下", trim("这些些不要这些留下这些", "这些不要"))
+ call assert_equal("", trim("", ""))
+ call assert_equal("a", trim("a", ""))
+ call assert_equal("", trim("", "a"))
+
+ let chars = join(map(range(1, 0x20) + [0xa0], {n -> nr2char(n)}), '')
+ call assert_equal("x", trim(chars . "x" . chars))
+endfunc
+
+" Test for reg_recording() and reg_executing()
+func Test_reg_executing_and_recording()
+ let s:reg_stat = ''
+ func s:save_reg_stat()
+ let s:reg_stat = reg_recording() . ':' . reg_executing()
+ return ''
+ endfunc
+
+ new
+ call s:save_reg_stat()
+ call assert_equal(':', s:reg_stat)
+ call feedkeys("qa\"=s:save_reg_stat()\<CR>pq", 'xt')
+ call assert_equal('a:', s:reg_stat)
+ call feedkeys("@a", 'xt')
+ call assert_equal(':a', s:reg_stat)
+ call feedkeys("qb@aq", 'xt')
+ call assert_equal('b:a', s:reg_stat)
+ call feedkeys("q\"\"=s:save_reg_stat()\<CR>pq", 'xt')
+ call assert_equal('":', s:reg_stat)
+
+ bwipe!
+ delfunc s:save_reg_stat
+ unlet s:reg_stat
+endfunc
+
+func Test_libcall_libcallnr()
+ if !has('libcall')
+ return
+ endif
+
+ if has('win32')
+ let libc = 'msvcrt.dll'
+ elseif has('mac')
+ let libc = 'libSystem.B.dylib'
+ elseif executable('ldd')
+ let libc = matchstr(split(system('ldd ' . GetVimProg())), '/libc\.so\>')
+ endif
+ if get(l:, 'libc', '') ==# ''
+ " On Unix, libc.so can be in various places.
+ if has('linux')
+ " There is not documented but regarding the 1st argument of glibc's
+ " dlopen an empty string and nullptr are equivalent, so using an empty
+ " string for the 1st argument of libcall allows to call functions.
+ let libc = ''
+ elseif has('sun')
+ " Set the path to libc.so according to the architecture.
+ let test_bits = system('file ' . GetVimProg())
+ let test_arch = system('uname -p')
+ if test_bits =~ '64-bit' && test_arch =~ 'sparc'
+ let libc = '/usr/lib/sparcv9/libc.so'
+ elseif test_bits =~ '64-bit' && test_arch =~ 'i386'
+ let libc = '/usr/lib/amd64/libc.so'
+ else
+ let libc = '/usr/lib/libc.so'
+ endif
+ else
+ " Unfortunately skip this test until a good way is found.
+ return
+ endif
+ endif
+
+ if has('win32')
+ call assert_equal($USERPROFILE, libcall(libc, 'getenv', 'USERPROFILE'))
+ else
+ call assert_equal($HOME, libcall(libc, 'getenv', 'HOME'))
+ endif
+
+ " If function returns NULL, libcall() should return an empty string.
+ call assert_equal('', libcall(libc, 'getenv', 'X_ENV_DOES_NOT_EXIT'))
+
+ " Test libcallnr() with string and integer argument.
+ call assert_equal(4, libcallnr(libc, 'strlen', 'abcd'))
+ call assert_equal(char2nr('A'), libcallnr(libc, 'toupper', char2nr('a')))
+
+ call assert_fails("call libcall(libc, 'Xdoesnotexist_', '')", 'E364:')
+ call assert_fails("call libcallnr(libc, 'Xdoesnotexist_', '')", 'E364:')
+
+ call assert_fails("call libcall('Xdoesnotexist_', 'getenv', 'HOME')", 'E364:')
+ call assert_fails("call libcallnr('Xdoesnotexist_', 'strlen', 'abcd')", 'E364:')
+endfunc
+
+sandbox function Fsandbox()
+ normal ix
+endfunc
+
+func Test_func_sandbox()
+ sandbox let F = {-> 'hello'}
+ call assert_equal('hello', F())
+
+ sandbox let F = {-> execute("normal ix\<Esc>")}
+ call assert_fails('call F()', 'E48:')
+ unlet F
+
+ call assert_fails('call Fsandbox()', 'E48:')
+ delfunc Fsandbox
+endfunc
+
+func EditAnotherFile()
+ let word = expand('<cword>')
+ edit Xfuncrange2
+endfunc
+
+func Test_func_range_with_edit()
+ " Define a function that edits another buffer, then call it with a range that
+ " is invalid in that buffer.
+ call writefile(['just one line'], 'Xfuncrange2')
+ new
+ call setline(1, range(10))
+ write Xfuncrange1
+ call assert_fails('5,8call EditAnotherFile()', 'E16:')
+
+ call delete('Xfuncrange1')
+ call delete('Xfuncrange2')
+ bwipe!
+endfunc
+
+func Test_func_exists_on_reload()
+ call writefile(['func ExistingFunction()', 'echo "yes"', 'endfunc'], 'Xfuncexists')
+ call assert_equal(0, exists('*ExistingFunction'))
+ source Xfuncexists
+ call assert_equal(1, exists('*ExistingFunction'))
+ " Redefining a function when reloading a script is OK.
+ source Xfuncexists
+ call assert_equal(1, exists('*ExistingFunction'))
+
+ " But redefining in another script is not OK.
+ call writefile(['func ExistingFunction()', 'echo "yes"', 'endfunc'], 'Xfuncexists2')
+ call assert_fails('source Xfuncexists2', 'E122:')
+
+ delfunc ExistingFunction
+ call assert_equal(0, exists('*ExistingFunction'))
+ call writefile([
+ \ 'func ExistingFunction()', 'echo "yes"', 'endfunc',
+ \ 'func ExistingFunction()', 'echo "no"', 'endfunc',
+ \ ], 'Xfuncexists')
+ call assert_fails('source Xfuncexists', 'E122:')
+ call assert_equal(1, exists('*ExistingFunction'))
+
+ call delete('Xfuncexists2')
+ call delete('Xfuncexists')
+ delfunc ExistingFunction
+endfunc
+
+" Test confirm({msg} [, {choices} [, {default} [, {type}]]])
+func Test_confirm()
+ if !has('unix') || has('gui_running')
+ return
+ endif
+
+ call feedkeys('o', 'L')
+ let a = confirm('Press O to proceed')
+ call assert_equal(1, a)
+
+ call feedkeys('y', 'L')
+ let a = confirm('Are you sure?', "&Yes\n&No")
+ call assert_equal(1, a)
+
+ call feedkeys('n', 'L')
+ let a = confirm('Are you sure?', "&Yes\n&No")
+ call assert_equal(2, a)
+
+ " confirm() should return 0 when pressing CTRL-C.
+ call feedkeys("\<C-c>", 'L')
+ let a = confirm('Are you sure?', "&Yes\n&No")
+ call assert_equal(0, a)
+
+ " <Esc> requires another character to avoid it being seen as the start of an
+ " escape sequence. Zero should be harmless.
+ call feedkeys("\<Esc>0", 'L')
+ let a = confirm('Are you sure?', "&Yes\n&No")
+ call assert_equal(0, a)
+
+ " Default choice is returned when pressing <CR>.
+ call feedkeys("\<CR>", 'L')
+ let a = confirm('Are you sure?', "&Yes\n&No")
+ call assert_equal(1, a)
+
+ call feedkeys("\<CR>", 'L')
+ let a = confirm('Are you sure?', "&Yes\n&No", 2)
+ call assert_equal(2, a)
+
+ call feedkeys("\<CR>", 'L')
+ let a = confirm('Are you sure?', "&Yes\n&No", 0)
+ call assert_equal(0, a)
+
+ " Test with the {type} 4th argument
+ for type in ['Error', 'Question', 'Info', 'Warning', 'Generic']
+ call feedkeys('y', 'L')
+ let a = confirm('Are you sure?', "&Yes\n&No\n", 1, type)
+ call assert_equal(1, a)
+ endfor
+
+ call assert_fails('call confirm([])', 'E730:')
+ call assert_fails('call confirm("Are you sure?", [])', 'E730:')
+ call assert_fails('call confirm("Are you sure?", "&Yes\n&No\n", [])', 'E745:')
+ call assert_fails('call confirm("Are you sure?", "&Yes\n&No\n", 0, [])', 'E730:')
+endfunc
+
+func Test_platform_name()
+ " The system matches at most only one name.
+ let names = ['amiga', 'beos', 'bsd', 'hpux', 'linux', 'mac', 'qnx', 'sun', 'vms', 'win32', 'win32unix']
+ call assert_inrange(0, 1, len(filter(copy(names), 'has(v:val)')))
+
+ " Is Unix?
+ call assert_equal(has('beos'), has('beos') && has('unix'))
+ call assert_equal(has('bsd'), has('bsd') && has('unix'))
+ call assert_equal(has('hpux'), has('hpux') && has('unix'))
+ call assert_equal(has('linux'), has('linux') && has('unix'))
+ call assert_equal(has('mac'), has('mac') && has('unix'))
+ call assert_equal(has('qnx'), has('qnx') && has('unix'))
+ call assert_equal(has('sun'), has('sun') && has('unix'))
+ call assert_equal(has('win32'), has('win32') && !has('unix'))
+ call assert_equal(has('win32unix'), has('win32unix') && has('unix'))
+
+ if has('unix') && executable('uname')
+ let uname = system('uname')
+ call assert_equal(uname =~? 'BeOS', has('beos'))
+ call assert_equal(uname =~? 'BSD\|DragonFly', has('bsd'))
+ call assert_equal(uname =~? 'HP-UX', has('hpux'))
+ call assert_equal(uname =~? 'Linux', has('linux'))
+ call assert_equal(uname =~? 'Darwin', has('mac'))
+ call assert_equal(uname =~? 'QNX', has('qnx'))
+ call assert_equal(uname =~? 'SunOS', has('sun'))
+ call assert_equal(uname =~? 'CYGWIN\|MSYS', has('win32unix'))
+ endif
+endfunc
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