summaryrefslogtreecommitdiffstats
path: root/src/testdir/test_scroll_opt.vim
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/testdir/test_scroll_opt.vim608
1 files changed, 608 insertions, 0 deletions
diff --git a/src/testdir/test_scroll_opt.vim b/src/testdir/test_scroll_opt.vim
new file mode 100644
index 0000000..01b1daf
--- /dev/null
+++ b/src/testdir/test_scroll_opt.vim
@@ -0,0 +1,608 @@
+" 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 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, ":call DoRel()\<CR>")
+ call VerifyScreenDump(buf, 'Test_smooth_number_7', {})
+
+ 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_smoothscrol_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 TermWait(buf, 3000)
+ 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
+
+
+" vim: shiftwidth=2 sts=2 expandtab