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" Test :retab
func SetUp()
new
call setline(1, "\ta \t b c ")
endfunc
func TearDown()
bwipe!
endfunc
func Retab(bang, n)
let l:old_tabstop = &tabstop
let l:old_line = getline(1)
exe "retab" . a:bang . a:n
let l:line = getline(1)
call setline(1, l:old_line)
if a:n > 0
" :retab changes 'tabstop' to n with argument n > 0.
call assert_equal(a:n, &tabstop)
exe 'set tabstop=' . l:old_tabstop
else
" :retab does not change 'tabstop' with empty or n <= 0.
call assert_equal(l:old_tabstop, &tabstop)
endif
return l:line
endfunc
func Test_retab()
set tabstop=8 noexpandtab
call assert_equal("\ta\t b c ", Retab('', ''))
call assert_equal("\ta\t b c ", Retab('', 0))
call assert_equal("\ta\t b c ", Retab('', 8))
call assert_equal("\ta\t b\t c\t ", Retab('!', ''))
call assert_equal("\ta\t b\t c\t ", Retab('!', 0))
call assert_equal("\ta\t b\t c\t ", Retab('!', 8))
call assert_equal("\t\ta\t\t\tb c ", Retab('', 4))
call assert_equal("\t\ta\t\t\tb\t\t c\t ", Retab('!', 4))
call assert_equal(" a\t\tb c ", Retab('', 10))
call assert_equal(" a\t\tb c ", Retab('!', 10))
set tabstop=8 expandtab
call assert_equal(" a b c ", Retab('', ''))
call assert_equal(" a b c ", Retab('', 0))
call assert_equal(" a b c ", Retab('', 8))
call assert_equal(" a b c ", Retab('!', ''))
call assert_equal(" a b c ", Retab('!', 0))
call assert_equal(" a b c ", Retab('!', 8))
call assert_equal(" a b c ", Retab(' ', 4))
call assert_equal(" a b c ", Retab('!', 4))
call assert_equal(" a b c ", Retab(' ', 10))
call assert_equal(" a b c ", Retab('!', 10))
set tabstop=4 noexpandtab
call assert_equal("\ta\t\tb c ", Retab('', ''))
call assert_equal("\ta\t\tb\t\t c\t ", Retab('!', ''))
call assert_equal("\t a\t\t\tb c ", Retab('', 3))
call assert_equal("\t a\t\t\tb\t\t\tc\t ", Retab('!', 3))
call assert_equal(" a\t b c ", Retab('', 5))
call assert_equal(" a\t b\t\t c\t ", Retab('!', 5))
set tabstop=4 expandtab
call assert_equal(" a b c ", Retab('', ''))
call assert_equal(" a b c ", Retab('!', ''))
call assert_equal(" a b c ", Retab('', 3))
call assert_equal(" a b c ", Retab('!', 3))
call assert_equal(" a b c ", Retab('', 5))
call assert_equal(" a b c ", Retab('!', 5))
endfunc
func Test_retab_error()
call assert_fails('retab -1', 'E487:')
call assert_fails('retab! -1', 'E487:')
endfunc
" vim: shiftwidth=2 sts=2 expandtab
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