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" Test for reset 'scroll' and 'smoothscroll'
source check.vim
source screendump.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_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', {})
call StopVimInTerminal(buf)
endfunc
" vim: shiftwidth=2 sts=2 expandtab
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