xref: /vim-8.2.3635/src/testdir/test_fold.vim (revision 214641f7)
1" Test for folding
2
3func! Test_address_fold()
4  new
5  call setline(1, ['int FuncName() {/*{{{*/', 1, 2, 3, 4, 5, '}/*}}}*/',
6	      \ 'after fold 1', 'after fold 2', 'after fold 3'])
7  setl fen fdm=marker
8  " The next ccommands should all copy the same part of the buffer,
9  " regardless of the adressing type, since the part to be copied
10  " is folded away
11  :1y
12  call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
13  :.y
14  call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
15  :.+y
16  call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
17  :.,.y
18  call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
19  :sil .1,.y
20  call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
21  " use silent to make E493 go away
22  :sil .+,.y
23  call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
24  :,y
25  call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
26  :,+y
27  call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/','after fold 1'], getreg(0,1,1))
28  " using .+3 as second address should copy the whole folded line + the next 3
29  " lines
30  :.,+3y
31  call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/',
32	      \ 'after fold 1', 'after fold 2', 'after fold 3'], getreg(0,1,1))
33  :sil .,-2y
34  call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3', '4', '5', '}/*}}}*/'], getreg(0,1,1))
35
36  " now test again with folding disabled
37  set nofoldenable
38  :1y
39  call assert_equal(['int FuncName() {/*{{{*/'], getreg(0,1,1))
40  :.y
41  call assert_equal(['int FuncName() {/*{{{*/'], getreg(0,1,1))
42  :.+y
43  call assert_equal(['1'], getreg(0,1,1))
44  :.,.y
45  call assert_equal(['int FuncName() {/*{{{*/'], getreg(0,1,1))
46  " use silent to make E493 go away
47  :sil .1,.y
48  call assert_equal(['int FuncName() {/*{{{*/', '1'], getreg(0,1,1))
49  " use silent to make E493 go away
50  :sil .+,.y
51  call assert_equal(['int FuncName() {/*{{{*/', '1'], getreg(0,1,1))
52  :,y
53  call assert_equal(['int FuncName() {/*{{{*/'], getreg(0,1,1))
54  :,+y
55  call assert_equal(['int FuncName() {/*{{{*/', '1'], getreg(0,1,1))
56  " using .+3 as second address should copy the whole folded line + the next 3
57  " lines
58  :.,+3y
59  call assert_equal(['int FuncName() {/*{{{*/', '1', '2', '3'], getreg(0,1,1))
60  :7
61  :sil .,-2y
62  call assert_equal(['4', '5', '}/*}}}*/'], getreg(0,1,1))
63
64  quit!
65endfunc
66
67func! Test_indent_fold()
68    new
69    call setline(1, ['', 'a', '    b', '    c'])
70    setl fen fdm=indent
71    2
72    norm! >>
73    let a=map(range(1,4), 'foldclosed(v:val)')
74    call assert_equal([-1,-1,-1,-1], a)
75endfunc
76
77func! Test_indent_fold()
78    new
79    call setline(1, ['', 'a', '    b', '    c'])
80    setl fen fdm=indent
81    2
82    norm! >>
83    let a=map(range(1,4), 'foldclosed(v:val)')
84    call assert_equal([-1,-1,-1,-1], a)
85    bw!
86endfunc
87
88func! Test_indent_fold2()
89    new
90    call setline(1, ['', '{{{', '}}}', '{{{', '}}}'])
91    setl fen fdm=marker
92    2
93    norm! >>
94    let a=map(range(1,5), 'foldclosed(v:val)')
95    call assert_equal([-1,-1,-1,4,4], a)
96    bw!
97endfunc
98
99func Test_manual_fold_with_filter()
100  if !executable('cat')
101    return
102  endif
103  for type in ['manual', 'marker']
104    exe 'set foldmethod=' . type
105    new
106    call setline(1, range(1, 20))
107    4,$fold
108    %foldopen
109    10,$fold
110    %foldopen
111    " This filter command should not have an effect
112    1,8! cat
113    call feedkeys('5ggzdzMGdd', 'xt')
114    call assert_equal(['1', '2', '3', '4', '5', '6', '7', '8', '9'], getline(1, '$'))
115
116    bwipe!
117    set foldmethod&
118  endfor
119endfunc
120
121func! Test_indent_fold_with_read()
122  new
123  set foldmethod=indent
124  call setline(1, repeat(["\<Tab>a"], 4))
125  for n in range(1, 4)
126    call assert_equal(1, foldlevel(n))
127  endfor
128
129  call writefile(["a", "", "\<Tab>a"], 'Xfile')
130  foldopen
131  2read Xfile
132  %foldclose
133  call assert_equal(1, foldlevel(1))
134  call assert_equal(2, foldclosedend(1))
135  call assert_equal(0, foldlevel(3))
136  call assert_equal(0, foldlevel(4))
137  call assert_equal(1, foldlevel(5))
138  call assert_equal(7, foldclosedend(5))
139
140  bwipe!
141  set foldmethod&
142  call delete('Xfile')
143endfunc
144
145func Test_combining_folds_indent()
146  new
147  let one = "\<Tab>a"
148  let zero = 'a'
149  call setline(1, [one, one, zero, zero, zero, one, one, one])
150  set foldmethod=indent
151  3,5d
152  %foldclose
153  call assert_equal(5, foldclosedend(1))
154
155  set foldmethod&
156  bwipe!
157endfunc
158
159func Test_combining_folds_marker()
160  new
161  call setline(1, ['{{{', '}}}', '', '', '', '{{{', '', '}}}'])
162  set foldmethod=marker
163  3,5d
164  %foldclose
165  call assert_equal(2, foldclosedend(1))
166
167  set foldmethod&
168  bwipe!
169endfunc
170
171func s:TestFoldExpr(lnum)
172  let thisline = getline(a:lnum)
173  if thisline == 'a'
174    return 1
175  elseif thisline == 'b'
176    return 0
177  elseif thisline == 'c'
178    return '<1'
179  elseif thisline == 'd'
180    return '>1'
181  endif
182  return 0
183endfunction
184
185func Test_update_folds_expr_read()
186  new
187  call setline(1, ['a', 'a', 'a', 'a', 'a', 'a'])
188  set foldmethod=expr
189  set foldexpr=s:TestFoldExpr(v:lnum)
190  2
191  foldopen
192  call writefile(['b', 'b', 'a', 'a', 'd', 'a', 'a', 'c'], 'Xfile')
193  read Xfile
194  %foldclose
195  call assert_equal(2, foldclosedend(1))
196  call assert_equal(0, foldlevel(3))
197  call assert_equal(0, foldlevel(4))
198  call assert_equal(6, foldclosedend(5))
199  call assert_equal(10, foldclosedend(7))
200  call assert_equal(14, foldclosedend(11))
201
202  call delete('Xfile')
203  bwipe!
204  set foldmethod& foldexpr&
205endfunc
206