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" Tests for regexp in utf8 encoding
if !has('multi_byte')
finish
endif
func s:equivalence_test()
let str = "AÀÁÂÃÄÅĀĂĄǍǞǠẢ BḂḆ CÇĆĈĊČ DĎĐḊḎḐ EÈÉÊËĒĔĖĘĚẺẼ FḞ GĜĞĠĢǤǦǴḠ HĤĦḢḦḨ IÌÍÎÏĨĪĬĮİǏỈ JĴ KĶǨḰḴ LĹĻĽĿŁḺ MḾṀ NÑŃŅŇṄṈ OÒÓÔÕÖØŌŎŐƠǑǪǬỎ PṔṖ Q RŔŖŘṘṞ SŚŜŞŠṠ TŢŤŦṪṮ UÙÚÛÜŨŪŬŮŰŲƯǓỦ VṼ WŴẀẂẄẆ XẊẌ YÝŶŸẎỲỶỸ ZŹŻŽƵẐẔ aàáâãäåāăąǎǟǡả bḃḇ cçćĉċč dďđḋḏḑ eèéêëēĕėęěẻẽ fḟ gĝğġģǥǧǵḡ hĥħḣḧḩẖ iìíîïĩīĭįǐỉ jĵǰ kķǩḱḵ lĺļľŀłḻ mḿṁ nñńņňʼnṅṉ oòóôõöøōŏőơǒǫǭỏ pṕṗ q rŕŗřṙṟ sśŝşšṡ tţťŧṫṯẗ uùúûüũūŭůűųưǔủ vṽ wŵẁẃẅẇẘ xẋẍ yýÿŷẏẙỳỷỹ zźżžƶẑẕ"
let groups = split(str)
for group1 in groups
for c in split(group1, '\zs')
" next statement confirms that equivalence class matches every
" character in group
call assert_match('^[[=' . c . '=]]*$', group1)
for group2 in groups
if group2 != group1
" next statement converts that equivalence class doesn't match
" character in any other group
call assert_equal(-1, match(group2, '[[=' . c . '=]]'))
endif
endfor
endfor
endfor
endfunc
func Test_equivalence_re1()
set re=1
call s:equivalence_test()
set re=0
endfunc
func Test_equivalence_re2()
set re=2
call s:equivalence_test()
set re=0
endfunc
func s:classes_test()
set isprint=@,161-255
call assert_equal('Motörhead', matchstr('Motörhead', '[[:print:]]\+'))
let alnumchars = ''
let alphachars = ''
let backspacechar = ''
let blankchars = ''
let cntrlchars = ''
let digitchars = ''
let escapechar = ''
let graphchars = ''
let lowerchars = ''
let printchars = ''
let punctchars = ''
let returnchar = ''
let spacechars = ''
let tabchar = ''
let upperchars = ''
let xdigitchars = ''
let i = 1
while i <= 255
let c = nr2char(i)
if c =~ '[[:alpha:]]'
let alphachars .= c
endif
if c =~ '[[:alnum:]]'
let alnumchars .= c
endif
if c =~ '[[:backspace:]]'
let backspacechar .= c
endif
if c =~ '[[:blank:]]'
let blankchars .= c
endif
if c =~ '[[:cntrl:]]'
let cntrlchars .= c
endif
if c =~ '[[:digit:]]'
let digitchars .= c
endif
if c =~ '[[:escape:]]'
let escapechar .= c
endif
if c =~ '[[:graph:]]'
let graphchars .= c
endif
if c =~ '[[:lower:]]'
let lowerchars .= c
endif
if c =~ '[[:print:]]'
let printchars .= c
endif
if c =~ '[[:punct:]]'
let punctchars .= c
endif
if c =~ '[[:return:]]'
let returnchar .= c
endif
if c =~ '[[:space:]]'
let spacechars .= c
endif
if c =~ '[[:tab:]]'
let tabchar .= c
endif
if c =~ '[[:upper:]]'
let upperchars .= c
endif
if c =~ '[[:xdigit:]]'
let xdigitchars .= c
endif
let i += 1
endwhile
call assert_equal('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', alphachars)
call assert_equal('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', alnumchars)
call assert_equal("\b", backspacechar)
call assert_equal("\t ", blankchars)
call assert_equal("\x01\x02\x03\x04\x05\x06\x07\b\t\n\x0b\f\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\e\x1c\x1d\x1e\x1f\x7f", cntrlchars)
call assert_equal("0123456789", digitchars)
call assert_equal("\<Esc>", escapechar)
call assert_equal('!"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~', graphchars)
call assert_equal('abcdefghijklmnopqrstuvwxyzµßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ', lowerchars)
call assert_equal(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~ ¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ', printchars)
call assert_equal('!"#$%&''()*+,-./:;<=>?@[\]^_`{|}~', punctchars)
call assert_equal('ABCDEFGHIJKLMNOPQRSTUVWXYZÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞ', upperchars)
call assert_equal("\r", returnchar)
call assert_equal("\t\n\x0b\f\r ", spacechars)
call assert_equal("\t", tabchar)
call assert_equal('0123456789ABCDEFabcdef', xdigitchars)
endfunc
func Test_classes_re1()
set re=1
call s:classes_test()
set re=0
endfunc
func Test_classes_re2()
set re=2
call s:classes_test()
set re=0
endfunc
func Test_reversed_range()
for re in range(0, 2)
exe 'set re=' . re
call assert_fails('call match("abc def", "[c-a]")', 'E944:')
endfor
set re=0
endfunc
func Test_large_class()
set re=1
call assert_fails('call match("abc def", "[\u3000-\u4000]")', 'E945:')
set re=2
call assert_equal(0, 'abc def' =~# '[\u3000-\u4000]')
call assert_equal(1, "\u3042" =~# '[\u3000-\u4000]')
set re=0
endfunc
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