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	 d65c6a0baf
			
		
	
	d65c6a0baf
	
	
	
		
			
			Problem:  screenpos() may crash with neg. column
Solution: validate and correct column
closes: vim/vim#13669
ec54af4e26
		
	
		
			
				
	
	
		
			612 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			VimL
		
	
	
	
	
	
			
		
		
	
	
			612 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			VimL
		
	
	
	
	
	
| " Tests for cursor() and other functions that get/set the cursor position
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| 
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| source check.vim
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| 
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| func Test_wrong_arguments()
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|   call assert_fails('call cursor(1. 3)', 'E474:')
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|   call assert_fails('call cursor(v:_null_list)', 'E474:')
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| endfunc
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| 
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| func Test_move_cursor()
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|   new
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|   call setline(1, ['aaa', 'bbb', 'ccc', 'ddd'])
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| 
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|   call cursor([1, 1, 0, 1])
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|   call assert_equal([1, 1, 0, 1], getcurpos()[1:])
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|   call cursor([4, 3, 0, 3])
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|   call assert_equal([4, 3, 0, 3], getcurpos()[1:])
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| 
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|   call cursor(2, 2)
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|   call assert_equal([2, 2, 0, 2], getcurpos()[1:])
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|   " line number zero keeps the line number
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|   call cursor(0, 1)
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|   call assert_equal([2, 1, 0, 1], getcurpos()[1:])
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|   " col number zero keeps the column
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|   call cursor(3, 0)
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|   call assert_equal([3, 1, 0, 1], getcurpos()[1:])
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|   " below last line goes to last line
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|   eval [9, 1]->cursor()
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|   call assert_equal([4, 1, 0, 1], getcurpos()[1:])
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|   " pass string arguments
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|   call cursor('3', '3')
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|   call assert_equal([3, 3, 0, 3], getcurpos()[1:])
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| 
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|   call setline(1, ["\<TAB>"])
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|   call cursor(1, 1, 1)
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|   call assert_equal([1, 1, 1], getcurpos()[1:3])
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| 
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|   call assert_fails('call cursor(-1, -1)', 'E475:')
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| 
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|   quit!
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| endfunc
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| 
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| func Test_curswant_maxcol()
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|   new
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|   call setline(1, 'foo')
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| 
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|   " Test that after "$" command curswant is set to the same value as v:maxcol.
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|   normal! 1G$
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|   call assert_equal(v:maxcol, getcurpos()[4])
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|   call assert_equal(v:maxcol, winsaveview().curswant)
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| 
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|   quit!
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| endfunc
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| 
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| " Very short version of what matchparen does.
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| function s:Highlight_Matching_Pair()
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|   let save_cursor = getcurpos()
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|   eval save_cursor->setpos('.')
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| endfunc
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| 
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| func Test_curswant_with_autocommand()
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|   new
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|   call setline(1, ['func()', '{', '}', '----'])
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|   autocmd! CursorMovedI * call s:Highlight_Matching_Pair()
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|   exe "normal! 3Ga\<Down>X\<Esc>"
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|   call assert_equal('-X---', getline(4))
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|   autocmd! CursorMovedI *
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|   quit!
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| endfunc
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| 
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| " Tests for behavior of curswant with cursorcolumn/line
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| func Test_curswant_with_cursorcolumn()
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|   new
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|   call setline(1, ['01234567', ''])
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|   exe "normal! ggf6j"
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|   call assert_equal(6, winsaveview().curswant)
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|   set cursorcolumn
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|   call assert_equal(6, winsaveview().curswant)
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|   quit!
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| endfunc
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| 
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| func Test_curswant_with_cursorline()
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|   new
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|   call setline(1, ['01234567', ''])
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|   exe "normal! ggf6j"
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|   call assert_equal(6, winsaveview().curswant)
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|   set cursorline
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|   call assert_equal(6, winsaveview().curswant)
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|   quit!
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| endfunc
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| 
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| func Test_screenpos()
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|   rightbelow new
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|   rightbelow 20vsplit
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|   call setline(1, ["\tsome text", "long wrapping line here", "next line"])
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|   redraw
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|   let winid = win_getid()
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|   let [winrow, wincol] = win_screenpos(winid)
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|   call assert_equal({'row': winrow,
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| 	\ 'col': wincol + 0,
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| 	\ 'curscol': wincol + 7,
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| 	\ 'endcol': wincol + 7}, winid->screenpos(1, 1))
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|   call assert_equal({'row': winrow,
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| 	\ 'col': wincol + 13,
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| 	\ 'curscol': wincol + 13,
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| 	\ 'endcol': wincol + 13}, winid->screenpos(1, 7))
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|   call assert_equal({'row': winrow + 2,
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| 	\ 'col': wincol + 1,
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| 	\ 'curscol': wincol + 1,
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| 	\ 'endcol': wincol + 1}, screenpos(winid, 2, 22))
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|   setlocal number
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|   call assert_equal({'row': winrow + 3,
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| 	\ 'col': wincol + 9,
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| 	\ 'curscol': wincol + 9,
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| 	\ 'endcol': wincol + 9}, screenpos(winid, 2, 22))
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| 
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|   let wininfo = getwininfo(winid)[0]
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|   call setline(3, ['x']->repeat(wininfo.height))
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|   call setline(line('$') + 1, 'x'->repeat(wininfo.width * 3))
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|   setlocal nonumber display=lastline so=0
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|   exe "normal G\<C-Y>\<C-Y>"
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|   redraw
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|   call assert_equal({'row': winrow + wininfo.height - 1,
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| 	\ 'col': wincol + 7,
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| 	\ 'curscol': wincol + 7,
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| 	\ 'endcol': wincol + 7}, winid->screenpos(line('$'), 8))
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|   call assert_equal({'row': 0, 'col': 0, 'curscol': 0, 'endcol': 0},
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| 	\ winid->screenpos(line('$'), 22))
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| 
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|   1split
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| 
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|   " w_leftcol should be subtracted
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|   setlocal nowrap
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|   normal G050zl$
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|   redraw
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|   call assert_equal({'row': winrow + 0,
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| 	\ 'col': wincol + 10 - 1,
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| 	\ 'curscol': wincol + 10 - 1,
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| 	\ 'endcol': wincol + 10 - 1},
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| 	\ screenpos(win_getid(), line('.'), col('.')))
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| 
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|   " w_skipcol should be taken into account
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|   setlocal wrap
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|   normal $
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|   redraw
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|   call assert_equal({'row': winrow + 0,
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| 	\ 'col': wincol + 20 - 1,
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| 	\ 'curscol': wincol + 20 - 1,
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| 	\ 'endcol': wincol + 20 - 1},
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| 	\ screenpos(win_getid(), line('.'), col('.')))
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|   call assert_equal({'row': 0, 'col': 0, 'curscol': 0, 'endcol': 0},
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| 	\ screenpos(win_getid(), line('.'), col('.') - 20))
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|   setlocal number
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|   redraw
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|   call assert_equal({'row': winrow + 0,
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| 	\ 'col': wincol + 16 - 1,
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| 	\ 'curscol': wincol + 16 - 1,
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| 	\ 'endcol': wincol + 16 - 1},
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| 	\ screenpos(win_getid(), line('.'), col('.')))
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|   call assert_equal({'row': 0, 'col': 0, 'curscol': 0, 'endcol': 0},
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| 	\ screenpos(win_getid(), line('.'), col('.') - 16))
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|   set cpoptions+=n
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|   redraw
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|   call assert_equal({'row': winrow + 0,
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| 	\ 'col': wincol + 4 - 1,
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| 	\ 'curscol': wincol + 4 - 1,
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| 	\ 'endcol': wincol + 4 - 1},
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| 	\ screenpos(win_getid(), line('.'), col('.')))
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|   call assert_equal({'row': 0, 'col': 0, 'curscol': 0, 'endcol': 0},
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| 	\ screenpos(win_getid(), line('.'), col('.') - 4))
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| 
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|   wincmd +
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|   call setline(line('$') + 1, 'last line')
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|   setlocal smoothscroll
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|   normal G$
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|   redraw
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|   call assert_equal({'row': winrow + 1,
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| 	\ 'col': wincol + 4 + 9 - 1,
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| 	\ 'curscol': wincol + 4 + 9 - 1,
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| 	\ 'endcol': wincol + 4 + 9 - 1},
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| 	\ screenpos(win_getid(), line('.'), col('.')))
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|   set cpoptions-=n
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|   redraw
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|   call assert_equal({'row': winrow + 1,
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| 	\ 'col': wincol + 4 + 9 - 1,
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| 	\ 'curscol': wincol + 4 + 9 - 1,
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| 	\ 'endcol': wincol + 4 + 9 - 1},
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| 	\ screenpos(win_getid(), line('.'), col('.')))
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|   setlocal nonumber
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|   redraw
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|   call assert_equal({'row': winrow + 1,
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| 	\ 'col': wincol + 9 - 1,
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| 	\ 'curscol': wincol + 9 - 1,
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| 	\ 'endcol': wincol + 9 - 1},
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| 	\ screenpos(win_getid(), line('.'), col('.')))
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| 
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|   close
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|   call assert_equal({}, screenpos(999, 1, 1))
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| 
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|   bwipe!
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|   set display&
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| 
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|   call assert_equal(#{col: 1, row: 1, endcol: 1, curscol: 1}, screenpos(win_getid(), 1, 1))
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|   " nmenu WinBar.TEST :
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|   setlocal winbar=TEST
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|   call assert_equal(#{col: 1, row: 2, endcol: 1, curscol: 1}, screenpos(win_getid(), 1, 1))
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|   " nunmenu WinBar.TEST
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|   setlocal winbar&
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|   call assert_equal(#{col: 1, row: 1, endcol: 1, curscol: 1}, screenpos(win_getid(), 1, 1))
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| 
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|   call assert_equal(#{col: 0, row: 0, endcol: 0, curscol: 0}, screenpos(0, 0, 1))
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|   call assert_equal(#{col: 0, row: 0, endcol: 0, curscol: 0}, screenpos(0, -1, 1))
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|   call assert_equal(#{col: 1, row: 1, endcol: 1, curscol: 1}, screenpos(0, 1, -v:maxcol))
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| endfunc
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| 
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| func Test_screenpos_fold()
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|   CheckFeature folding
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| 
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|   enew!
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|   call setline(1, range(10))
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|   3,5fold
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|   redraw
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|   call assert_equal(2, screenpos(1, 2, 1).row)
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|   call assert_equal(#{col: 1, row: 3, endcol: 1, curscol: 1}, screenpos(1, 3, 1))
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|   call assert_equal(#{col: 1, row: 3, endcol: 1, curscol: 1}, screenpos(1, 4, 1))
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|   call assert_equal(#{col: 1, row: 3, endcol: 1, curscol: 1}, screenpos(1, 5, 1))
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|   setlocal number
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|   call assert_equal(#{col: 5, row: 3, endcol: 5, curscol: 5}, screenpos(1, 3, 1))
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|   call assert_equal(#{col: 5, row: 3, endcol: 5, curscol: 5}, screenpos(1, 4, 1))
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|   call assert_equal(#{col: 5, row: 3, endcol: 5, curscol: 5}, screenpos(1, 5, 1))
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|   call assert_equal(4, screenpos(1, 6, 1).row)
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|   bwipe!
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| endfunc
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| 
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| func Test_screenpos_diff()
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|   CheckFeature diff
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| 
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|   enew!
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|   call setline(1, ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i'])
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|   vnew
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|   call setline(1, ['a', 'b', 'c', 'g', 'h', 'i'])
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|   windo diffthis
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|   wincmd w
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|   call assert_equal(#{col: 3, row: 7, endcol: 3, curscol: 3}, screenpos(0, 4, 1))
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|   call assert_equal(#{col: 3, row: 8, endcol: 3, curscol: 3}, screenpos(0, 5, 1))
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|   exe "normal! 3\<C-E>"
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|   call assert_equal(#{col: 3, row: 4, endcol: 3, curscol: 3}, screenpos(0, 4, 1))
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|   call assert_equal(#{col: 3, row: 5, endcol: 3, curscol: 3}, screenpos(0, 5, 1))
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|   exe "normal! \<C-E>"
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|   call assert_equal(#{col: 3, row: 3, endcol: 3, curscol: 3}, screenpos(0, 4, 1))
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|   call assert_equal(#{col: 3, row: 4, endcol: 3, curscol: 3}, screenpos(0, 5, 1))
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|   exe "normal! \<C-E>"
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|   call assert_equal(#{col: 3, row: 2, endcol: 3, curscol: 3}, screenpos(0, 4, 1))
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|   call assert_equal(#{col: 3, row: 3, endcol: 3, curscol: 3}, screenpos(0, 5, 1))
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|   exe "normal! \<C-E>"
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|   call assert_equal(#{col: 3, row: 1, endcol: 3, curscol: 3}, screenpos(0, 4, 1))
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|   call assert_equal(#{col: 3, row: 2, endcol: 3, curscol: 3}, screenpos(0, 5, 1))
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| 
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|   windo diffoff
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|   bwipe!
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|   bwipe!
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| endfunc
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| 
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| func Test_screenpos_number()
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|   rightbelow new
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|   rightbelow 73vsplit
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|   call setline (1, repeat('x', 66))
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|   setlocal number
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|   redraw
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|   let winid = win_getid()
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|   let [winrow, wincol] = win_screenpos(winid)
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|   let pos = screenpos(winid, 1, 66)
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|   call assert_equal(winrow, pos.row)
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|   call assert_equal(wincol + 66 + 3, pos.col)
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| 
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|   call assert_fails('echo screenpos(0, 2, 1)', 'E966:')
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| 
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|   close
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|   bwipe!
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| endfunc
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| 
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| " Save the visual start character position
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| func SaveVisualStartCharPos()
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|   call add(g:VisualStartPos, getcharpos('v'))
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|   return ''
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| endfunc
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| 
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| " Save the current cursor character position in insert mode
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| func SaveInsertCurrentCharPos()
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|   call add(g:InsertCurrentPos, getcharpos('.'))
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|   return ''
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| endfunc
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| 
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| " Test for the getcharpos() function
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| func Test_getcharpos()
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|   call assert_fails('call getcharpos({})', 'E731:')
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|   call assert_equal([0, 0, 0, 0], getcharpos(0))
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|   new
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|   call setline(1, ['', "01\tà4è678", 'Ⅵ', '012345678', ' │  x'])
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| 
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|   " Test for '.' and '$'
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|   normal 1G
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|   call assert_equal([0, 1, 1, 0], getcharpos('.'))
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|   call assert_equal([0, 5, 1, 0], getcharpos('$'))
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|   normal 2G6l
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|   call assert_equal([0, 2, 7, 0], getcharpos('.'))
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|   normal 3G$
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|   call assert_equal([0, 3, 1, 0], getcharpos('.'))
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|   normal 4G$
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|   call assert_equal([0, 4, 9, 0], getcharpos('.'))
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| 
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|   " Test for a mark
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|   normal 2G7lmmgg
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|   call assert_equal([0, 2, 8, 0], getcharpos("'m"))
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|   delmarks m
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|   call assert_equal([0, 0, 0, 0], getcharpos("'m"))
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| 
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|   " Check mark does not move
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|   normal 5Gfxma
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|   call assert_equal([0, 5, 5, 0], getcharpos("'a"))
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|   call assert_equal([0, 5, 5, 0], getcharpos("'a"))
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|   call assert_equal([0, 5, 5, 0], getcharpos("'a"))
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| 
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|   " Test for the visual start column
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|   vnoremap <expr> <F3> SaveVisualStartCharPos()
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|   let g:VisualStartPos = []
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|   exe "normal 2G6lv$\<F3>ohh\<F3>o\<F3>"
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|   call assert_equal([[0, 2, 7, 0], [0, 2, 10, 0], [0, 2, 5, 0]], g:VisualStartPos)
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|   call assert_equal([0, 2, 9, 0], getcharpos('v'))
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|   let g:VisualStartPos = []
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|   exe "normal 3Gv$\<F3>o\<F3>"
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|   call assert_equal([[0, 3, 1, 0], [0, 3, 2, 0]], g:VisualStartPos)
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|   let g:VisualStartPos = []
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|   exe "normal 1Gv$\<F3>o\<F3>"
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|   call assert_equal([[0, 1, 1, 0], [0, 1, 1, 0]], g:VisualStartPos)
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|   vunmap <F3>
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| 
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|   " Test for getting the position in insert mode with the cursor after the
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|   " last character in a line
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|   inoremap <expr> <F3> SaveInsertCurrentCharPos()
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|   let g:InsertCurrentPos = []
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|   exe "normal 1GA\<F3>"
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|   exe "normal 2GA\<F3>"
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|   exe "normal 3GA\<F3>"
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|   exe "normal 4GA\<F3>"
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|   exe "normal 2G6li\<F3>"
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|   call assert_equal([[0, 1, 1, 0], [0, 2, 10, 0], [0, 3, 2, 0], [0, 4, 10, 0],
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|                         \ [0, 2, 7, 0]], g:InsertCurrentPos)
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|   iunmap <F3>
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| 
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|   %bw!
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| endfunc
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| 
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| " Test for the setcharpos() function
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| func Test_setcharpos()
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|   call assert_equal(-1, setcharpos('.', v:_null_list))
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|   new
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|   call setline(1, ['', "01\tà4è678", 'Ⅵ', '012345678'])
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|   call setcharpos('.', [0, 1, 1, 0])
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|   call assert_equal([1, 1], [line('.'), col('.')])
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|   call setcharpos('.', [0, 2, 7, 0])
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|   call assert_equal([2, 9], [line('.'), col('.')])
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|   call setcharpos('.', [0, 3, 4, 0])
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|   call assert_equal([3, 1], [line('.'), col('.')])
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|   call setcharpos('.', [0, 3, 1, 0])
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|   call assert_equal([3, 1], [line('.'), col('.')])
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|   call setcharpos('.', [0, 4, 0, 0])
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|   call assert_equal([4, 1], [line('.'), col('.')])
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|   call setcharpos('.', [0, 4, 20, 0])
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|   call assert_equal([4, 9], [line('.'), col('.')])
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| 
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|   " Test for mark
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|   delmarks m
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|   call setcharpos("'m", [0, 2, 9, 0])
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|   normal `m
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|   call assert_equal([2, 11], [line('.'), col('.')])
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|   " unload the buffer and try to set the mark
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|   let bnr = bufnr()
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|   enew!
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|   call assert_equal(-1, setcharpos("'m", [bnr, 2, 2, 0]))
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| 
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|   %bw!
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|   call assert_equal(-1, setcharpos('.', [10, 3, 1, 0]))
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| endfunc
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| 
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| func SaveVisualStartCharCol()
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|   call add(g:VisualStartCol, charcol('v'))
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|   return ''
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| endfunc
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| 
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| func SaveInsertCurrentCharCol()
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|   call add(g:InsertCurrentCol, charcol('.'))
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|   return ''
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| endfunc
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| 
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| " Test for the charcol() function
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| func Test_charcol()
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|   call assert_fails('call charcol({})', 'E1222:')
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|   call assert_fails('call charcol(".", [])', 'E1210:')
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|   call assert_fails('call charcol(0)', 'E1222:')
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|   new
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|   call setline(1, ['', "01\tà4è678", 'Ⅵ', '012345678'])
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| 
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|   " Test for '.' and '$'
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|   normal 1G
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|   call assert_equal(1, charcol('.'))
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|   call assert_equal(1, charcol('$'))
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|   normal 2G6l
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|   call assert_equal(7, charcol('.'))
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|   call assert_equal(10, charcol('$'))
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|   normal 3G$
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|   call assert_equal(1, charcol('.'))
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|   call assert_equal(2, charcol('$'))
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|   normal 4G$
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|   call assert_equal(9, charcol('.'))
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|   call assert_equal(10, charcol('$'))
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| 
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|   " Test for [lnum, '$']
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|   call assert_equal(1, charcol([1, '$']))
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|   call assert_equal(10, charcol([2, '$']))
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|   call assert_equal(2, charcol([3, '$']))
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|   call assert_equal(0, charcol([5, '$']))
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| 
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|   " Test for a mark
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|   normal 2G7lmmgg
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|   call assert_equal(8, charcol("'m"))
 | |
|   delmarks m
 | |
|   call assert_equal(0, charcol("'m"))
 | |
| 
 | |
|   " Test for the visual start column
 | |
|   vnoremap <expr> <F3> SaveVisualStartCharCol()
 | |
|   let g:VisualStartCol = []
 | |
|   exe "normal 2G6lv$\<F3>ohh\<F3>o\<F3>"
 | |
|   call assert_equal([7, 10, 5], g:VisualStartCol)
 | |
|   call assert_equal(9, charcol('v'))
 | |
|   let g:VisualStartCol = []
 | |
|   exe "normal 3Gv$\<F3>o\<F3>"
 | |
|   call assert_equal([1, 2], g:VisualStartCol)
 | |
|   let g:VisualStartCol = []
 | |
|   exe "normal 1Gv$\<F3>o\<F3>"
 | |
|   call assert_equal([1, 1], g:VisualStartCol)
 | |
|   vunmap <F3>
 | |
| 
 | |
|   " Test for getting the column number in insert mode with the cursor after
 | |
|   " the last character in a line
 | |
|   inoremap <expr> <F3> SaveInsertCurrentCharCol()
 | |
|   let g:InsertCurrentCol = []
 | |
|   exe "normal 1GA\<F3>"
 | |
|   exe "normal 2GA\<F3>"
 | |
|   exe "normal 3GA\<F3>"
 | |
|   exe "normal 4GA\<F3>"
 | |
|   exe "normal 2G6li\<F3>"
 | |
|   call assert_equal([1, 10, 2, 10, 7], g:InsertCurrentCol)
 | |
|   iunmap <F3>
 | |
| 
 | |
|   " Test for getting the column number in another window.
 | |
|   let winid = win_getid()
 | |
|   new
 | |
|   call win_execute(winid, 'normal 1G')
 | |
|   call assert_equal(1, charcol('.', winid))
 | |
|   call assert_equal(1, charcol('$', winid))
 | |
|   call win_execute(winid, 'normal 2G6l')
 | |
|   call assert_equal(7, charcol('.', winid))
 | |
|   call assert_equal(10, charcol('$', winid))
 | |
| 
 | |
|   " calling from another tab page also works
 | |
|   tabnew
 | |
|   call assert_equal(7, charcol('.', winid))
 | |
|   call assert_equal(10, charcol('$', winid))
 | |
|   tabclose
 | |
| 
 | |
|   " unknown window ID
 | |
|   call assert_equal(0, charcol('.', 10001))
 | |
| 
 | |
|   %bw!
 | |
| endfunc
 | |
| 
 | |
| func SaveInsertCursorCharPos()
 | |
|   call add(g:InsertCursorPos, getcursorcharpos('.'))
 | |
|   return ''
 | |
| endfunc
 | |
| 
 | |
| " Test for getcursorcharpos()
 | |
| func Test_getcursorcharpos()
 | |
|   call assert_equal(getcursorcharpos(), getcursorcharpos(0))
 | |
|   call assert_equal([0, 0, 0, 0, 0], getcursorcharpos(-1))
 | |
|   call assert_equal([0, 0, 0, 0, 0], getcursorcharpos(1999))
 | |
| 
 | |
|   new
 | |
|   call setline(1, ['', "01\tà4è678", 'Ⅵ', '012345678'])
 | |
|   normal 1G9l
 | |
|   call assert_equal([0, 1, 1, 0, 1], getcursorcharpos())
 | |
|   normal 2G9l
 | |
|   call assert_equal([0, 2, 9, 0, 14], getcursorcharpos())
 | |
|   normal 3G9l
 | |
|   call assert_equal([0, 3, 1, 0, 1], getcursorcharpos())
 | |
|   normal 4G9l
 | |
|   call assert_equal([0, 4, 9, 0, 9], getcursorcharpos())
 | |
| 
 | |
|   " Test for getting the cursor position in insert mode with the cursor after
 | |
|   " the last character in a line
 | |
|   inoremap <expr> <F3> SaveInsertCursorCharPos()
 | |
|   let g:InsertCursorPos = []
 | |
|   exe "normal 1GA\<F3>"
 | |
|   exe "normal 2GA\<F3>"
 | |
|   exe "normal 3GA\<F3>"
 | |
|   exe "normal 4GA\<F3>"
 | |
|   exe "normal 2G6li\<F3>"
 | |
|   call assert_equal([[0, 1, 1, 0, 1], [0, 2, 10, 0, 15], [0, 3, 2, 0, 2],
 | |
|                     \ [0, 4, 10, 0, 10], [0, 2, 7, 0, 12]], g:InsertCursorPos)
 | |
|   iunmap <F3>
 | |
| 
 | |
|   let winid = win_getid()
 | |
|   normal 2G5l
 | |
|   wincmd w
 | |
|   call assert_equal([0, 2, 6, 0, 11], getcursorcharpos(winid))
 | |
|   %bw!
 | |
| endfunc
 | |
| 
 | |
| " Test for setcursorcharpos()
 | |
| func Test_setcursorcharpos()
 | |
|   call assert_fails('call setcursorcharpos(v:_null_list)', 'E474:')
 | |
|   call assert_fails('call setcursorcharpos([1])', 'E474:')
 | |
|   call assert_fails('call setcursorcharpos([1, 1, 1, 1, 1])', 'E474:')
 | |
|   new
 | |
|   call setline(1, ['', "01\tà4è678", 'Ⅵ', '012345678'])
 | |
|   normal G
 | |
|   call setcursorcharpos([1, 1])
 | |
|   call assert_equal([1, 1], [line('.'), col('.')])
 | |
| 
 | |
|   call setcursorcharpos([2, 7, 0])
 | |
|   call assert_equal([2, 9], [line('.'), col('.')])
 | |
|   call setcursorcharpos([0, 7, 0])
 | |
|   call assert_equal([2, 9], [line('.'), col('.')])
 | |
|   call setcursorcharpos(0, 7, 0)
 | |
|   call assert_equal([2, 9], [line('.'), col('.')])
 | |
| 
 | |
|   call setcursorcharpos(3, 4)
 | |
|   call assert_equal([3, 1], [line('.'), col('.')])
 | |
|   call setcursorcharpos([3, 1])
 | |
|   call assert_equal([3, 1], [line('.'), col('.')])
 | |
|   call setcursorcharpos([4, 0, 0, 0])
 | |
|   call assert_equal([4, 1], [line('.'), col('.')])
 | |
|   call setcursorcharpos([4, 20])
 | |
|   call assert_equal([4, 9], [line('.'), col('.')])
 | |
|   normal 1G
 | |
|   call setcursorcharpos([100, 100, 100, 100])
 | |
|   call assert_equal([4, 9], [line('.'), col('.')])
 | |
|   normal 1G
 | |
|   call setcursorcharpos('$', 1)
 | |
|   call assert_equal([4, 1], [line('.'), col('.')])
 | |
| 
 | |
|   %bw!
 | |
| endfunc
 | |
| 
 | |
| " Test for virtcol2col()
 | |
| func Test_virtcol2col()
 | |
|   new
 | |
|   call setline(1, ["a\tb\tc"])
 | |
|   call assert_equal(1, virtcol2col(0, 1, 1))
 | |
|   call assert_equal(2, virtcol2col(0, 1, 2))
 | |
|   call assert_equal(2, virtcol2col(0, 1, 8))
 | |
|   call assert_equal(3, virtcol2col(0, 1, 9))
 | |
|   call assert_equal(4, virtcol2col(0, 1, 10))
 | |
|   call assert_equal(4, virtcol2col(0, 1, 16))
 | |
|   call assert_equal(5, virtcol2col(0, 1, 17))
 | |
|   call assert_equal(-1, virtcol2col(10, 1, 1))
 | |
|   call assert_equal(-1, virtcol2col(0, 10, 1))
 | |
|   call assert_equal(-1, virtcol2col(0, -1, 1))
 | |
|   call assert_equal(-1, virtcol2col(0, 1, -1))
 | |
|   call assert_equal(5, virtcol2col(0, 1, 20))
 | |
| 
 | |
|   " Multibyte character
 | |
|   call setline(1, ['a✅✅✅'])
 | |
|   call assert_equal(1, virtcol2col(0, 1, 1))
 | |
|   call assert_equal(2, virtcol2col(0, 1, 3))
 | |
|   call assert_equal(5, virtcol2col(0, 1, 5))
 | |
|   call assert_equal(8, virtcol2col(0, 1, 7))
 | |
|   call assert_equal(8, virtcol2col(0, 1, 8))
 | |
| 
 | |
|   " These used to cause invalid memory access
 | |
|   call setline(1, '')
 | |
|   call assert_equal(0, virtcol2col(0, 1, 1))
 | |
|   call assert_equal(0, virtcol2col(0, 1, 2))
 | |
| 
 | |
|   let w = winwidth(0)
 | |
|   call setline(2, repeat('a', w + 2))
 | |
|   let win_nosbr = win_getid()
 | |
|   split
 | |
|   setlocal showbreak=!!
 | |
|   let win_sbr = win_getid()
 | |
|   call assert_equal(w, virtcol2col(win_nosbr, 2, w))
 | |
|   call assert_equal(w + 1, virtcol2col(win_nosbr, 2, w + 1))
 | |
|   call assert_equal(w + 2, virtcol2col(win_nosbr, 2, w + 2))
 | |
|   call assert_equal(w + 2, virtcol2col(win_nosbr, 2, w + 3))
 | |
|   call assert_equal(w, virtcol2col(win_sbr, 2, w))
 | |
|   call assert_equal(w + 1, virtcol2col(win_sbr, 2, w + 1))
 | |
|   call assert_equal(w + 1, virtcol2col(win_sbr, 2, w + 2))
 | |
|   call assert_equal(w + 1, virtcol2col(win_sbr, 2, w + 3))
 | |
|   call assert_equal(w + 2, virtcol2col(win_sbr, 2, w + 4))
 | |
|   call assert_equal(w + 2, virtcol2col(win_sbr, 2, w + 5))
 | |
|   close
 | |
| 
 | |
|   call assert_fails('echo virtcol2col("0", 1, 20)', 'E1210:')
 | |
|   call assert_fails('echo virtcol2col(0, "1", 20)', 'E1210:')
 | |
|   call assert_fails('echo virtcol2col(0, 1, "1")', 'E1210:')
 | |
| 
 | |
|   bw!
 | |
| endfunc
 | |
| 
 | |
| " vim: shiftwidth=2 sts=2 expandtab
 |