mirror of
https://github.com/vim/vim.git
synced 2025-07-26 11:04:33 -04:00
fccd93f091
Problem: Using \{xxx} for encoding a modifier is not nice.
Solution: Use \<*xxx> instead, since it's the same as \<xxx> but producing a
different code.
152 lines
4.3 KiB
VimL
152 lines
4.3 KiB
VimL
" Tests for 'backspace' settings
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func Exec(expr)
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let str=''
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try
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exec a:expr
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catch /.*/
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let str=v:exception
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endtry
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return str
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endfunc
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func Test_backspace_option()
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set backspace=
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call assert_equal('', &backspace)
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set backspace=indent
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call assert_equal('indent', &backspace)
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set backspace=eol
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call assert_equal('eol', &backspace)
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set backspace=start
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call assert_equal('start', &backspace)
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set backspace=nostop
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call assert_equal('nostop', &backspace)
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" Add the value
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set backspace=
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set backspace=indent
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call assert_equal('indent', &backspace)
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set backspace+=eol
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call assert_equal('indent,eol', &backspace)
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set backspace+=start
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call assert_equal('indent,eol,start', &backspace)
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set backspace+=nostop
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call assert_equal('indent,eol,start,nostop', &backspace)
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" Delete the value
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set backspace-=nostop
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call assert_equal('indent,eol,start', &backspace)
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set backspace-=indent
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call assert_equal('eol,start', &backspace)
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set backspace-=start
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call assert_equal('eol', &backspace)
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set backspace-=eol
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call assert_equal('', &backspace)
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" Check the error
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call assert_equal(0, match(Exec('set backspace=ABC'), '.*E474'))
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call assert_equal(0, match(Exec('set backspace+=def'), '.*E474'))
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" NOTE: Vim doesn't check following error...
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"call assert_equal(0, match(Exec('set backspace-=ghi'), '.*E474'))
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" Check backwards compatibility with version 5.4 and earlier
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set backspace=0
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call assert_equal('0', &backspace)
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set backspace=1
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call assert_equal('1', &backspace)
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set backspace=2
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call assert_equal('2', &backspace)
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set backspace=3
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call assert_equal('3', &backspace)
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call assert_false(match(Exec('set backspace=4'), '.*E474'))
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call assert_false(match(Exec('set backspace=10'), '.*E474'))
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" Cleared when 'compatible' is set
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set compatible
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call assert_equal('', &backspace)
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set nocompatible viminfo+=nviminfo
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endfunc
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" Test with backspace set to the non-compatible setting
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func Test_backspace_ctrl_u()
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new
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call append(0, [
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\ "1 this shouldn't be deleted",
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\ "2 this shouldn't be deleted",
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\ "3 this shouldn't be deleted",
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\ "4 this should be deleted",
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\ "5 this shouldn't be deleted",
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\ "6 this shouldn't be deleted",
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\ "7 this shouldn't be deleted",
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\ "8 this shouldn't be deleted (not touched yet)"])
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call cursor(2, 1)
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set compatible
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set backspace=2
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exe "normal Avim1\<C-U>\<Esc>\<CR>"
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exe "normal Avim2\<C-G>u\<C-U>\<Esc>\<CR>"
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set cpo-=<
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inoremap <c-u> <left><c-u>
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exe "normal Avim3\<*C-U>\<Esc>\<CR>"
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iunmap <c-u>
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exe "normal Avim4\<C-U>\<C-U>\<Esc>\<CR>"
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" Test with backspace set to the compatible setting
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set backspace= visualbell
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exe "normal A vim5\<Esc>A\<C-U>\<C-U>\<Esc>\<CR>"
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exe "normal A vim6\<Esc>Azwei\<C-G>u\<C-U>\<Esc>\<CR>"
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inoremap <c-u> <left><c-u>
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exe "normal A vim7\<*C-U>\<*C-U>\<Esc>\<CR>"
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call assert_equal([
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\ "1 this shouldn't be deleted",
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\ "2 this shouldn't be deleted",
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\ "3 this shouldn't be deleted",
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\ "4 this should be deleted3",
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\ "",
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\ "6 this shouldn't be deleted vim5",
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\ "7 this shouldn't be deleted vim6",
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\ "8 this shouldn't be deleted (not touched yet) vim7",
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\ ""], getline(1, '$'))
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" Reset values
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set compatible&vim
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set visualbell&vim
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set backspace&vim
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" Test new nostop option
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%d_
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let expected = "foo bar foobar"
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call setline(1, expected)
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call cursor(1, 8)
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exe ":norm! ianotherone\<c-u>"
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call assert_equal(expected, getline(1))
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call cursor(1, 8)
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exe ":norm! ianothertwo\<c-w>"
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call assert_equal(expected, getline(1))
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let content = getline(1)
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for value in ['indent,nostop', 'eol,nostop', 'indent,eol,nostop', 'indent,eol,start,nostop']
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exe ":set bs=".. value
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%d _
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call setline(1, content)
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let expected = " foobar"
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call cursor(1, 8)
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exe ":norm! ianotherone\<c-u>"
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call assert_equal(expected, getline(1), 'CTRL-U backspace value: '.. &bs)
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let expected = "foo foobar"
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call setline(1, content)
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call cursor(1, 8)
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exe ":norm! ianothertwo\<c-w>"
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call assert_equal(expected, getline(1), 'CTRL-W backspace value: '.. &bs)
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endfor
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" Reset options
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set compatible&vim
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set visualbell&vim
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set backspace&vim
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close!
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endfunc
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" vim: shiftwidth=2 sts=2 expandtab
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