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" tests for 'langmap'
source check.vim
CheckFeature langmap
func Test_langmap()
new
set langmap=}l,^x,%v
call setline(1, ['abc'])
call feedkeys('gg0}^', 'tx')
call assert_equal('ac', getline(1))
" in Replace mode
" need silent! to avoid a delay when entering Insert mode
call setline(1, ['abcde'])
silent! call feedkeys("gg0lR%{z\<Esc>00", 'tx')
call assert_equal('a%{ze', getline(1))
" in Select mode
" need silent! to avoid a delay when entering Insert mode
call setline(1, ['abcde'])
silent! call feedkeys("gg0}%}\<C-G>}^\<Esc>00", 'tx')
call assert_equal('a}^de', getline(1))
" Error cases
call assert_fails('set langmap=aA,b', 'E357:')
call assert_fails('set langmap=z;y;y;z', 'E358:')
" Map character > 256
enew!
set langmap=āx,ăl,āx
call setline(1, ['abcde'])
call feedkeys('gg2lā', 'tx')
call assert_equal('abde', getline(1))
" special characters in langmap
enew!
call setline(1, ['Hello World'])
set langmap=\\;\\,,\\,\\;
call feedkeys('ggfo,', 'tx')
call assert_equal(8, col('.'))
call feedkeys(';', 'tx')
call assert_equal(5, col('.'))
set langmap&
set langmap=\\;\\,;\\,\\;
call feedkeys('ggfo,', 'tx')
call assert_equal(8, col('.'))
call feedkeys(';', 'tx')
call assert_equal(5, col('.'))
set langmap=RL
let g:counter = 0
nnoremap L;L <Cmd>let g:counter += 1<CR>
nnoremap <C-L> <Cmd>throw 'This mapping shoud not be triggered'<CR>
" 'langmap' is applied to keys without modifiers when matching a mapping
call feedkeys('R;R', 'tx')
call assert_equal(1, g:counter)
nunmap L;L
unlet g:counter
delete
call assert_equal('', getline(1))
undo
call assert_equal('Hello World', getline(1))
" 'langmap' does not change Ctrl-R to Ctrl-L for consistency
call feedkeys("\<*C-R>", 'tx')
call assert_equal('', getline(1))
set langmap=6L
undo
setlocal bufhidden=hide
let oldbuf = bufnr()
enew
call assert_notequal(oldbuf, bufnr())
" 'langmap' does not change Ctrl-6 to Ctrl-L for consistency
" Ctrl-6 becomes Ctrl-^ after merging the Ctrl modifier
call feedkeys("\<*C-6>", 'tx')
call assert_equal(oldbuf, bufnr())
setlocal bufhidden&
nunmap <C-L>
set langmap&
quit!
endfunc
" vim: shiftwidth=2 sts=2 expandtab
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