xref: /vim-8.2.3635/src/testdir/test_bufline.vim (revision 12ee7ff0) 
1" Tests for setbufline(), getbufline(), appendbufline(), deletebufline()
2
3source shared.vim
4
5func Test_setbufline_getbufline()
6  new
7  let b = bufnr('%')
8  hide
9  call assert_equal(0, setbufline(b, 1, ['foo', 'bar']))
10  call assert_equal(['foo'], getbufline(b, 1))
11  call assert_equal(['bar'], getbufline(b, '$'))
12  call assert_equal(['foo', 'bar'], getbufline(b, 1, 2))
13  exe "bd!" b
14  call assert_equal([], getbufline(b, 1, 2))
15
16  split Xtest
17  call setline(1, ['a', 'b', 'c'])
18  let b = bufnr('%')
19  wincmd w
20  call assert_equal(1, setbufline(b, 5, ['x']))
21  call assert_equal(1, setbufline(bufnr('$') + 1, 1, ['x']))
22  call assert_equal(0, setbufline(b, 4, ['d', 'e']))
23  call assert_equal(['c'], getbufline(b, 3))
24  call assert_equal(['d'], getbufline(b, 4))
25  call assert_equal(['e'], getbufline(b, 5))
26  call assert_equal([], getbufline(b, 6))
27  exe "bwipe! " . b
28endfunc
29
30func Test_setbufline_getbufline_fold()
31  split Xtest
32  setlocal foldmethod=expr foldexpr=0
33  let b = bufnr('%')
34  new
35  call assert_equal(0, setbufline(b, 1, ['foo', 'bar']))
36  call assert_equal(['foo'], getbufline(b, 1))
37  call assert_equal(['bar'], getbufline(b, 2))
38  call assert_equal(['foo', 'bar'], getbufline(b, 1, 2))
39  exe "bwipe!" b
40  bwipe!
41endfunc
42
43func Test_setbufline_getbufline_fold_tab()
44  split Xtest
45  setlocal foldmethod=expr foldexpr=0
46  let b = bufnr('%')
47  tab new
48  call assert_equal(0, setbufline(b, 1, ['foo', 'bar']))
49  call assert_equal(['foo'], getbufline(b, 1))
50  call assert_equal(['bar'], getbufline(b, 2))
51  call assert_equal(['foo', 'bar'], getbufline(b, 1, 2))
52  exe "bwipe!" b
53  bwipe!
54endfunc
55
56func Test_setline_startup()
57  let cmd = GetVimCommand('Xscript')
58  if cmd == ''
59    return
60  endif
61  call writefile(['call setline(1, "Hello")', 'silent w Xtest', 'q!'], 'Xscript')
62  call system(cmd)
63  call assert_equal(['Hello'], readfile('Xtest'))
64
65  call delete('Xscript')
66  call delete('Xtest')
67endfunc
68
69func Test_appendbufline()
70  new
71  let b = bufnr('%')
72  hide
73  call assert_equal(0, appendbufline(b, 0, ['foo', 'bar']))
74  call assert_equal(['foo'], getbufline(b, 1))
75  call assert_equal(['bar'], getbufline(b, 2))
76  call assert_equal(['foo', 'bar'], getbufline(b, 1, 2))
77  exe "bd!" b
78  call assert_equal([], getbufline(b, 1, 2))
79
80  split Xtest
81  call setline(1, ['a', 'b', 'c'])
82  let b = bufnr('%')
83  wincmd w
84  call assert_equal(1, appendbufline(b, -1, ['x']))
85  call assert_equal(1, appendbufline(b, 4, ['x']))
86  call assert_equal(1, appendbufline(1234, 1, ['x']))
87  call assert_equal(0, appendbufline(b, 3, ['d', 'e']))
88  call assert_equal(['c'], getbufline(b, 3))
89  call assert_equal(['d'], getbufline(b, 4))
90  call assert_equal(['e'], getbufline(b, 5))
91  call assert_equal([], getbufline(b, 6))
92  exe "bwipe! " . b
93endfunc
94
95func Test_appendbufline_no_E315()
96  let after =<< trim [CODE]
97    set stl=%f ls=2
98    new
99    let buf = bufnr("%")
100    quit
101    vsp
102    exec "buffer" buf
103    wincmd w
104    call appendbufline(buf, 0, "abc")
105    redraw
106    while getbufline(buf, 1)[0] =~ "^\\s*$"
107      sleep 10m
108    endwhile
109    au VimLeavePre * call writefile([v:errmsg], "Xerror")
110    au VimLeavePre * call writefile(["done"], "Xdone")
111    qall!
112  [CODE]
113
114  if !RunVim([], after, '--clean')
115    return
116  endif
117  call assert_notmatch("^E315:", readfile("Xerror")[0])
118  call assert_equal("done", readfile("Xdone")[0])
119  call delete("Xerror")
120  call delete("Xdone")
121endfunc
122
123func Test_deletebufline()
124  new
125  let b = bufnr('%')
126  call setline(1, ['aaa', 'bbb', 'ccc'])
127  hide
128  call assert_equal(0, deletebufline(b, 2))
129  call assert_equal(['aaa', 'ccc'], getbufline(b, 1, 2))
130  call assert_equal(0, deletebufline(b, 2, 8))
131  call assert_equal(['aaa'], getbufline(b, 1, 2))
132  exe "bd!" b
133  call assert_equal(1, deletebufline(b, 1))
134
135  call assert_equal(1, deletebufline(-1, 1))
136
137  split Xtest
138  call setline(1, ['a', 'b', 'c'])
139  call cursor(line('$'), 1)
140  let b = bufnr('%')
141  wincmd w
142  call assert_equal(1, deletebufline(b, 4))
143  call assert_equal(0, deletebufline(b, 1))
144  call assert_equal(['b', 'c'], getbufline(b, 1, 2))
145  exe "bwipe! " . b
146endfunc
147