neovim/test/old/testdir/test_scroll_opt.vim
luukvbaal 44fc2a6d7e
vim-patch:9.0.1525: 'smoothscroll' does not always work properly (#23544)
Problem:    'smoothscroll' does not always work properly.
Solution:   Do not reset w_skipcol after it was intentionally set.  (Luuk van
            Baal, closes vim/vim#12360, closes vim/vim#12199, closes vim/vim#12323)

3ce8c38915
2023-05-09 07:44:31 +08:00

685 lines
20 KiB
VimL
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

" Test for reset 'scroll' and 'smoothscroll'
source check.vim
source screendump.vim
source mouse.vim
func Test_reset_scroll()
let scr = &l:scroll
setlocal scroll=1
setlocal scroll&
call assert_equal(scr, &l:scroll)
setlocal scroll=1
setlocal scroll=0
call assert_equal(scr, &l:scroll)
try
execute 'setlocal scroll=' . (winheight(0) + 1)
" not reached
call assert_false(1)
catch
call assert_exception('E49:')
endtry
split
let scr = &l:scroll
setlocal scroll=1
setlocal scroll&
call assert_equal(scr, &l:scroll)
setlocal scroll=1
setlocal scroll=0
call assert_equal(scr, &l:scroll)
quit!
endfunc
func Test_scolloff_even_line_count()
new
resize 6
setlocal scrolloff=3
call setline(1, range(20))
normal 2j
call assert_equal(1, getwininfo(win_getid())[0].topline)
normal j
call assert_equal(1, getwininfo(win_getid())[0].topline)
normal j
call assert_equal(2, getwininfo(win_getid())[0].topline)
normal j
call assert_equal(3, getwininfo(win_getid())[0].topline)
bwipe!
endfunc
func Test_CtrlE_CtrlY_stop_at_end()
enew
call setline(1, ['one', 'two'])
set number
exe "normal \<C-Y>"
call assert_equal([" 1 one "], ScreenLines(1, 10))
exe "normal \<C-E>\<C-E>\<C-E>"
call assert_equal([" 2 two "], ScreenLines(1, 10))
bwipe!
set nonumber
endfunc
func Test_smoothscroll_CtrlE_CtrlY()
CheckScreendump
let lines =<< trim END
vim9script
setline(1, [
'line one',
'word '->repeat(20),
'line three',
'long word '->repeat(7),
'line',
'line',
'line',
])
set smoothscroll
:5
END
call writefile(lines, 'XSmoothScroll', 'D')
let buf = RunVimInTerminal('-S XSmoothScroll', #{rows: 12, cols: 40})
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smoothscroll_1', {})
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smoothscroll_2', {})
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smoothscroll_3', {})
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smoothscroll_4', {})
call term_sendkeys(buf, "\<C-Y>")
call VerifyScreenDump(buf, 'Test_smoothscroll_5', {})
call term_sendkeys(buf, "\<C-Y>")
call VerifyScreenDump(buf, 'Test_smoothscroll_6', {})
call term_sendkeys(buf, "\<C-Y>")
call VerifyScreenDump(buf, 'Test_smoothscroll_7', {})
call term_sendkeys(buf, "\<C-Y>")
call VerifyScreenDump(buf, 'Test_smoothscroll_8', {})
if has('folding')
call term_sendkeys(buf, ":set foldmethod=indent\<CR>")
" move the cursor so we can reuse the same dumps
call term_sendkeys(buf, "5G")
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smoothscroll_1', {})
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smoothscroll_2', {})
call term_sendkeys(buf, "7G")
call term_sendkeys(buf, "\<C-Y>")
call VerifyScreenDump(buf, 'Test_smoothscroll_7', {})
call term_sendkeys(buf, "\<C-Y>")
call VerifyScreenDump(buf, 'Test_smoothscroll_8', {})
endif
call StopVimInTerminal(buf)
endfunc
func Test_smoothscroll_number()
CheckScreendump
let lines =<< trim END
vim9script
setline(1, [
'one ' .. 'word '->repeat(20),
'two ' .. 'long word '->repeat(7),
'line',
'line',
'line',
])
set smoothscroll
set splitkeep=topline
set number cpo+=n
:3
def g:DoRel()
set number relativenumber scrolloff=0
:%del
setline(1, [
'one',
'very long text '->repeat(12),
'three',
])
exe "normal 2Gzt\<C-E>"
enddef
END
call writefile(lines, 'XSmoothNumber', 'D')
let buf = RunVimInTerminal('-S XSmoothNumber', #{rows: 12, cols: 40})
call VerifyScreenDump(buf, 'Test_smooth_number_1', {})
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smooth_number_2', {})
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smooth_number_3', {})
call term_sendkeys(buf, ":set cpo-=n\<CR>")
call VerifyScreenDump(buf, 'Test_smooth_number_4', {})
call term_sendkeys(buf, "\<C-Y>")
call VerifyScreenDump(buf, 'Test_smooth_number_5', {})
call term_sendkeys(buf, "\<C-Y>")
call VerifyScreenDump(buf, 'Test_smooth_number_6', {})
call term_sendkeys(buf, ":botright split\<CR>gg")
call VerifyScreenDump(buf, 'Test_smooth_number_7', {})
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smooth_number_8', {})
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smooth_number_9', {})
call term_sendkeys(buf, ":close\<CR>")
call term_sendkeys(buf, ":call DoRel()\<CR>")
call VerifyScreenDump(buf, 'Test_smooth_number_10', {})
call StopVimInTerminal(buf)
endfunc
func Test_smoothscroll_list()
CheckScreendump
let lines =<< trim END
vim9script
set smoothscroll scrolloff=0
set list
setline(1, [
'one',
'very long text '->repeat(12),
'three',
])
exe "normal 2Gzt\<C-E>"
END
call writefile(lines, 'XSmoothList', 'D')
let buf = RunVimInTerminal('-S XSmoothList', #{rows: 8, cols: 40})
call VerifyScreenDump(buf, 'Test_smooth_list_1', {})
call term_sendkeys(buf, ":set listchars+=precedes:#\<CR>")
call VerifyScreenDump(buf, 'Test_smooth_list_2', {})
call StopVimInTerminal(buf)
endfunc
func Test_smoothscroll_diff_mode()
CheckScreendump
let lines =<< trim END
vim9script
var text = 'just some text here'
setline(1, text)
set smoothscroll
diffthis
new
setline(1, text)
set smoothscroll
diffthis
END
call writefile(lines, 'XSmoothDiff', 'D')
let buf = RunVimInTerminal('-S XSmoothDiff', #{rows: 8})
call VerifyScreenDump(buf, 'Test_smooth_diff_1', {})
call term_sendkeys(buf, "\<C-Y>")
call VerifyScreenDump(buf, 'Test_smooth_diff_1', {})
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smooth_diff_1', {})
call StopVimInTerminal(buf)
endfunc
func Test_smoothscroll_wrap_scrolloff_zero()
CheckScreendump
let lines =<< trim END
vim9script
setline(1, ['Line' .. (' with some text'->repeat(7))]->repeat(7))
set smoothscroll scrolloff=0
:3
END
call writefile(lines, 'XSmoothWrap', 'D')
let buf = RunVimInTerminal('-S XSmoothWrap', #{rows: 8, cols: 40})
call VerifyScreenDump(buf, 'Test_smooth_wrap_1', {})
" moving cursor down - whole bottom line shows
call term_sendkeys(buf, "j")
call VerifyScreenDump(buf, 'Test_smooth_wrap_2', {})
call term_sendkeys(buf, "\<C-E>j")
call VerifyScreenDump(buf, 'Test_smooth_wrap_3', {})
call term_sendkeys(buf, "G")
call VerifyScreenDump(buf, 'Test_smooth_wrap_4', {})
" moving cursor up right after the >>> marker - no need to show whole line
call term_sendkeys(buf, "2gj3l2k")
call VerifyScreenDump(buf, 'Test_smooth_wrap_5', {})
" moving cursor up where the >>> marker is - whole top line shows
call term_sendkeys(buf, "2j02k")
call VerifyScreenDump(buf, 'Test_smooth_wrap_6', {})
call StopVimInTerminal(buf)
endfunc
func Test_smoothscroll_wrap_long_line()
CheckScreendump
let lines =<< trim END
vim9script
setline(1, ['one', 'two', 'Line' .. (' with lots of text'->repeat(30)) .. ' end', 'four'])
set smoothscroll scrolloff=0
normal 3G10|zt
END
call writefile(lines, 'XSmoothWrap', 'D')
let buf = RunVimInTerminal('-S XSmoothWrap', #{rows: 6, cols: 40})
call VerifyScreenDump(buf, 'Test_smooth_long_1', {})
" scrolling up, cursor moves screen line down
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smooth_long_2', {})
call term_sendkeys(buf, "5\<C-E>")
call VerifyScreenDump(buf, 'Test_smooth_long_3', {})
" scrolling down, cursor moves screen line up
call term_sendkeys(buf, "5\<C-Y>")
call VerifyScreenDump(buf, 'Test_smooth_long_4', {})
call term_sendkeys(buf, "\<C-Y>")
call VerifyScreenDump(buf, 'Test_smooth_long_5', {})
" 'scrolloff' set to 1, scrolling up, cursor moves screen line down
call term_sendkeys(buf, ":set scrolloff=1\<CR>")
call term_sendkeys(buf, "10|\<C-E>")
call VerifyScreenDump(buf, 'Test_smooth_long_6', {})
" 'scrolloff' set to 1, scrolling down, cursor moves screen line up
call term_sendkeys(buf, "\<C-E>")
call term_sendkeys(buf, "gjgj")
call term_sendkeys(buf, "\<C-Y>")
call VerifyScreenDump(buf, 'Test_smooth_long_7', {})
" 'scrolloff' set to 2, scrolling up, cursor moves screen line down
call term_sendkeys(buf, ":set scrolloff=2\<CR>")
call term_sendkeys(buf, "10|\<C-E>")
call VerifyScreenDump(buf, 'Test_smooth_long_8', {})
" 'scrolloff' set to 2, scrolling down, cursor moves screen line up
call term_sendkeys(buf, "\<C-E>")
call term_sendkeys(buf, "gj")
call term_sendkeys(buf, "\<C-Y>")
call VerifyScreenDump(buf, 'Test_smooth_long_9', {})
" 'scrolloff' set to 0, move cursor down one line.
" Cursor should move properly, and since this is a really long line, it will
" be put on top of the screen.
call term_sendkeys(buf, ":set scrolloff=0\<CR>")
call term_sendkeys(buf, "0j")
call VerifyScreenDump(buf, 'Test_smooth_long_10', {})
" Test zt/zz/zb that they work properly when a long line is above it
call term_sendkeys(buf, "zb")
call VerifyScreenDump(buf, 'Test_smooth_long_11', {})
call term_sendkeys(buf, "zz")
call VerifyScreenDump(buf, 'Test_smooth_long_12', {})
call term_sendkeys(buf, "zt")
call VerifyScreenDump(buf, 'Test_smooth_long_13', {})
" Repeat the step and move the cursor down again.
" This time, use a shorter long line that is barely long enough to span more
" than one window. Note that the cursor is at the bottom this time because
" Vim prefers to do so if we are scrolling a few lines only.
call term_sendkeys(buf, ":call setline(1, ['one', 'two', 'Line' .. (' with lots of text'->repeat(10)) .. ' end', 'four'])\<CR>")
call term_sendkeys(buf, "3Gzt")
call term_sendkeys(buf, "j")
call VerifyScreenDump(buf, 'Test_smooth_long_14', {})
" Repeat the step but this time start it when the line is smooth-scrolled by
" one line. This tests that the offset calculation is still correct and
" still end up scrolling down to the next line with cursor at bottom of
" screen.
call term_sendkeys(buf, "3Gzt")
call term_sendkeys(buf, "\<C-E>j")
call VerifyScreenDump(buf, 'Test_smooth_long_15', {})
call StopVimInTerminal(buf)
endfunc
func Test_smoothscroll_one_long_line()
CheckScreendump
let lines =<< trim END
vim9script
setline(1, 'with lots of text '->repeat(7))
set smoothscroll scrolloff=0
END
call writefile(lines, 'XSmoothOneLong', 'D')
let buf = RunVimInTerminal('-S XSmoothOneLong', #{rows: 6, cols: 40})
call VerifyScreenDump(buf, 'Test_smooth_one_long_1', {})
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smooth_one_long_2', {})
call term_sendkeys(buf, "0")
call VerifyScreenDump(buf, 'Test_smooth_one_long_1', {})
call StopVimInTerminal(buf)
endfunc
func Test_smoothscroll_long_line_showbreak()
CheckScreendump
let lines =<< trim END
vim9script
# a line that spans four screen lines
setline(1, 'with lots of text in one line '->repeat(6))
set smoothscroll scrolloff=0 showbreak=+++\
END
call writefile(lines, 'XSmoothLongShowbreak', 'D')
let buf = RunVimInTerminal('-S XSmoothLongShowbreak', #{rows: 6, cols: 40})
call VerifyScreenDump(buf, 'Test_smooth_long_showbreak_1', {})
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smooth_long_showbreak_2', {})
call term_sendkeys(buf, "0")
call VerifyScreenDump(buf, 'Test_smooth_long_showbreak_1', {})
call StopVimInTerminal(buf)
endfunc
func s:check_col_calc(win_col, win_line, buf_col)
call assert_equal(a:win_col, wincol())
call assert_equal(a:win_line, winline())
call assert_equal(a:buf_col, col('.'))
endfunc
" Test that if the current cursor is on a smooth scrolled line, we correctly
" reposition it. Also check that we don't miscalculate the values by checking
" the consistency between wincol() and col('.') as they are calculated
" separately in code.
func Test_smoothscroll_cursor_position()
call NewWindow(10, 20)
setl smoothscroll wrap
call setline(1, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
call s:check_col_calc(1, 1, 1)
exe "normal \<C-E>"
" Move down another line to avoid blocking the <<< display
call s:check_col_calc(1, 2, 41)
exe "normal \<C-Y>"
call s:check_col_calc(1, 3, 41)
normal gg3l
exe "normal \<C-E>"
" Move down only 1 line when we are out of the range of the <<< display
call s:check_col_calc(4, 1, 24)
exe "normal \<C-Y>"
call s:check_col_calc(4, 2, 24)
normal ggg$
exe "normal \<C-E>"
call s:check_col_calc(20, 1, 40)
exe "normal \<C-Y>"
call s:check_col_calc(20, 2, 40)
normal gg
" Test number, where we have indented lines
setl number
call s:check_col_calc(5, 1, 1)
exe "normal \<C-E>"
" Move down only 1 line when the <<< display is on the number column
call s:check_col_calc(5, 1, 17)
exe "normal \<C-Y>"
call s:check_col_calc(5, 2, 17)
normal ggg$
exe "normal \<C-E>"
call s:check_col_calc(20, 1, 32)
exe "normal \<C-Y>"
call s:check_col_calc(20, 2, 32)
normal gg
setl numberwidth=1
" Move down another line when numberwidth is too short to cover the whole
" <<< display
call s:check_col_calc(3, 1, 1)
exe "normal \<C-E>"
call s:check_col_calc(3, 2, 37)
exe "normal \<C-Y>"
call s:check_col_calc(3, 3, 37)
normal ggl
" Only move 1 line down when we are just past the <<< display
call s:check_col_calc(4, 1, 2)
exe "normal \<C-E>"
call s:check_col_calc(4, 1, 20)
exe "normal \<C-Y>"
call s:check_col_calc(4, 2, 20)
normal gg
setl numberwidth&
" Test number + showbreak, so test that the additional indentation works
setl number showbreak=+++
call s:check_col_calc(5, 1, 1)
exe "normal \<C-E>"
call s:check_col_calc(8, 1, 17)
exe "normal \<C-Y>"
call s:check_col_calc(8, 2, 17)
normal gg
" Test number + cpo+=n mode, where wrapped lines aren't indented
setl number cpo+=n showbreak=
call s:check_col_calc(5, 1, 1)
exe "normal \<C-E>"
call s:check_col_calc(1, 2, 37)
exe "normal \<C-Y>"
call s:check_col_calc(1, 3, 37)
normal gg
bwipe!
endfunc
func Test_smoothscroll_cursor_scrolloff()
call NewWindow(10, 20)
setl smoothscroll wrap
setl scrolloff=3
" 120 chars are 6 screen lines
call setline(1, "abcdefghijklmnopqrstABCDEFGHIJKLMNOPQRSTabcdefghijklmnopqrstABCDEFGHIJKLMNOPQRSTabcdefghijklmnopqrstABCDEFGHIJKLMNOPQRST")
call setline(2, "below")
call s:check_col_calc(1, 1, 1)
" CTRL-E shows "<<<DEFG...", cursor move four lines down
exe "normal \<C-E>"
call s:check_col_calc(1, 4, 81)
" cursor on start of second line, "gk" moves into first line, skipcol doesn't
" change
exe "normal G0gk"
call s:check_col_calc(1, 5, 101)
" move cursor left one window width worth, scrolls one screen line
exe "normal 20h"
call s:check_col_calc(1, 5, 81)
" move cursor left one window width worth, scrolls one screen line
exe "normal 20h"
call s:check_col_calc(1, 4, 61)
" cursor on last line, "gk" should not cause a scroll
set scrolloff=0
normal G0
call s:check_col_calc(1, 7, 1)
normal gk
call s:check_col_calc(1, 6, 101)
bwipe!
endfunc
" Test that mouse picking is still accurate when we have smooth scrolled lines
func Test_smoothscroll_mouse_pos()
CheckNotGui
CheckUnix
let save_mouse = &mouse
"let save_term = &term
"let save_ttymouse = &ttymouse
set mouse=a "term=xterm ttymouse=xterm2
call NewWindow(10, 20)
setl smoothscroll wrap
" First line will wrap to 3 physical lines. 2nd/3rd lines are short lines.
call setline(1, ["abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", "line 2", "line 3"])
func s:check_mouse_click(row, col, buf_row, buf_col)
call MouseLeftClick(a:row, a:col)
call assert_equal(a:col, wincol())
call assert_equal(a:row, winline())
call assert_equal(a:buf_row, line('.'))
call assert_equal(a:buf_col, col('.'))
endfunc
" Check that clicking without scroll works first.
call s:check_mouse_click(3, 5, 1, 45)
call s:check_mouse_click(4, 1, 2, 1)
call s:check_mouse_click(4, 6, 2, 6)
call s:check_mouse_click(5, 1, 3, 1)
call s:check_mouse_click(5, 6, 3, 6)
" Smooth scroll, and checks that this didn't mess up mouse clicking
exe "normal \<C-E>"
call s:check_mouse_click(2, 5, 1, 45)
call s:check_mouse_click(3, 1, 2, 1)
call s:check_mouse_click(3, 6, 2, 6)
call s:check_mouse_click(4, 1, 3, 1)
call s:check_mouse_click(4, 6, 3, 6)
exe "normal \<C-E>"
call s:check_mouse_click(1, 5, 1, 45)
call s:check_mouse_click(2, 1, 2, 1)
call s:check_mouse_click(2, 6, 2, 6)
call s:check_mouse_click(3, 1, 3, 1)
call s:check_mouse_click(3, 6, 3, 6)
" Make a new first line 11 physical lines tall so it's taller than window
" height, to test overflow calculations with really long lines wrapping.
normal gg
call setline(1, "12345678901234567890"->repeat(11))
exe "normal 6\<C-E>"
call s:check_mouse_click(5, 1, 1, 201)
call s:check_mouse_click(6, 1, 2, 1)
call s:check_mouse_click(7, 1, 3, 1)
let &mouse = save_mouse
"let &term = save_term
"let &ttymouse = save_ttymouse
endfunc
" this was dividing by zero
func Test_smoothscroll_zero_width()
CheckScreendump
let lines =<< trim END
winsize 0 0
vsplit
vsplit
vsplit
vsplit
vsplit
sil norm H
set wrap
set smoothscroll
set number
END
call writefile(lines, 'XSmoothScrollZero', 'D')
let buf = RunVimInTerminal('-u NONE -i NONE -n -m -X -Z -e -s -S XSmoothScrollZero', #{rows: 6, cols: 60, wait_for_ruler: 0})
call VerifyScreenDump(buf, 'Test_smoothscroll_zero_1', {})
call term_sendkeys(buf, ":sil norm \<C-V>\<C-W>\<C-V>\<C-N>\<CR>")
call VerifyScreenDump(buf, 'Test_smoothscroll_zero_2', {})
call StopVimInTerminal(buf)
endfunc
" this was unnecessarily inserting lines
func Test_smoothscroll_ins_lines()
CheckScreendump
let lines =<< trim END
set wrap
set smoothscroll
set scrolloff=0
set conceallevel=2
call setline(1, [
\'line one' .. 'with lots of text in one line '->repeat(2),
\'line two',
\'line three',
\'line four',
\'line five'
\])
END
call writefile(lines, 'XSmoothScrollInsLines', 'D')
let buf = RunVimInTerminal('-S XSmoothScrollInsLines', #{rows: 6, cols: 40})
call term_sendkeys(buf, "\<C-E>gjgk")
call VerifyScreenDump(buf, 'Test_smooth_ins_lines', {})
call StopVimInTerminal(buf)
endfunc
" this placed the cursor in the command line
func Test_smoothscroll_cursormoved_line()
CheckScreendump
let lines =<< trim END
set smoothscroll
call setline(1, [
\'',
\'_'->repeat(&lines * &columns),
\(('_')->repeat(&columns - 2) .. 'xxx')->repeat(2)
\])
autocmd CursorMoved * eval [line('w0'), line('w$')]
call search('xxx')
END
call writefile(lines, 'XSmoothCursorMovedLine', 'D')
let buf = RunVimInTerminal('-S XSmoothCursorMovedLine', #{rows: 6})
call VerifyScreenDump(buf, 'Test_smooth_cursormoved_line', {})
call StopVimInTerminal(buf)
endfunc
func Test_smoothscroll_eob()
CheckScreendump
let lines =<< trim END
set smoothscroll
call setline(1, ['']->repeat(100))
norm G
END
call writefile(lines, 'XSmoothEob', 'D')
let buf = RunVimInTerminal('-S XSmoothEob', #{rows: 10})
" does not scroll halfway when scrolling to end of buffer
call VerifyScreenDump(buf, 'Test_smooth_eob_1', {})
" cursor is not placed below window
call term_sendkeys(buf, ":call setline(92, 'a'->repeat(100))\<CR>\<C-B>G")
call VerifyScreenDump(buf, 'Test_smooth_eob_2', {})
call StopVimInTerminal(buf)
endfunc
" vim: shiftwidth=2 sts=2 expandtab