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" Tests for regexp in latin1 encoding
set encoding=latin1
scriptencoding latin1
func s:equivalence_test()
let str = "A������ B C D E���� F G H I���� J K L M N� O������ P Q R S T U���� V W X Y� Z a������ b c d e���� f g h i���� j k l m n� o������ p q r s t u���� v w x y�� z"
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
" a 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()
endfunc
func Test_equivalence_re2()
set re=2
call s:equivalence_test()
endfunc
func Test_recursive_substitute()
new
s/^/\=execute("s#^##gn")
" check we are now not in the sandbox
call setwinvar(1, 'myvar', 1)
bwipe!
endfunc
func Test_nested_backrefs()
" Check example in change.txt.
new
for re in range(0, 2)
exe 'set re=' . re
call setline(1, 'aa ab x')
1s/\(\(a[a-d] \)*\)\(x\)/-\1- -\2- -\3-/
call assert_equal('-aa ab - -ab - -x-', getline(1))
call assert_equal('-aa ab - -ab - -x-', substitute('aa ab x', '\(\(a[a-d] \)*\)\(x\)', '-\1- -\2- -\3-', ''))
endfor
bwipe!
set re=0
endfunc
func Test_eow_with_optional()
let expected = ['abc def', 'abc', 'def', '', '', '', '', '', '', '']
for re in range(0, 2)
exe 'set re=' . re
let actual = matchlist('abc def', '\(abc\>\)\?\s*\(def\)')
call assert_equal(expected, actual)
endfor
endfunc
func Test_backref()
new
call setline(1, ['one', 'two', 'three', 'four', 'five'])
call assert_equal(3, search('\%#=1\(e\)\1'))
call assert_equal(3, search('\%#=2\(e\)\1'))
call assert_fails('call search("\\%#=1\\(e\\1\\)")', 'E65:')
call assert_fails('call search("\\%#=2\\(e\\1\\)")', 'E65:')
bwipe!
endfunc
func Test_multi_failure()
set re=1
call assert_fails('/a**', 'E61:')
call assert_fails('/a*\+', 'E62:')
call assert_fails('/a\{a}', 'E554:')
set re=2
call assert_fails('/a**', 'E871:')
call assert_fails('/a*\+', 'E871:')
call assert_fails('/a\{a}', 'E870:')
set re=0
endfunc
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