summaryrefslogtreecommitdiff
path: root/src/testdir/test_scroll_opt.vim
blob: e23068f8adb09cd9cda036571e2a8cd97165ce8b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
" 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', {})

  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



" vim: shiftwidth=2 sts=2 expandtab