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patch 8.0.0519: character classes are not well tested

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Problem:    Character classes are not well tested. They can differ between
            platforms.
Solution:   Add tests.  In the documentation make clear which classes depend
            on what library function.  Only use :cntrl: and :graph: for ASCII.
            (Kazunobu Kuriyama, Dominique Pelle, closes #1560)
            Update the documentation.
This commit is contained in:
Bram Moolenaar
2017-03-29 15:31:20 +02:00
parent c6cd8409c2
commit 0c078fc7db
5 changed files with 91 additions and 33 deletions
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69
src/testdir/test_regexp_utf8.vim
View File

@@ -38,12 +38,21 @@ func s:classes_test()
set isprint=@,161-255
call assert_equal('Motörhead', matchstr('Motörhead', '[[:print:]]\+'))
let alphachars = ''
let lowerchars = ''
let upperchars = ''
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
@@ -51,21 +60,48 @@ func s:classes_test()
if c =~ '[[:alpha:]]'
let alphachars .= c
endif
if c =~ '[[:lower:]]'
let lowerchars .= c
endif
if c =~ '[[:upper:]]'
let upperchars .= 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
@@ -73,11 +109,22 @@ func s:classes_test()
endwhile
call assert_equal('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', alphachars)
call assert_equal('abcdefghijklmnopqrstuvwxyzµßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ', lowerchars)
call assert_equal('ABCDEFGHIJKLMNOPQRSTUVWXYZÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞ', upperchars)
call assert_equal('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', alnumchars)
call assert_equal("\b", backspacechar)
call assert_equal("\t ", blankchars)
" Commented out: it succeeds on Linux and Windows, but fails on macOs in Travis.
" 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)
" Commented out: it succeeds on Linux and Windows, but fails on macOs in Travis.
" 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