xref: /vim-8.2.3635/src/testdir/test_perl.vim (revision fc65cabb)
1" Tests for Perl interface
2
3if !has('perl')
4  finish
5end
6
7" FIXME: RunTest don't see any error when Perl abort...
8perl $SIG{__WARN__} = sub { die "Unexpected warnings from perl: @_" };
9
10func Test_change_buffer()
11  call setline(line('$'), ['1 line 1'])
12  perl VIM::DoCommand("normal /^1\n")
13  perl $curline = VIM::Eval("line('.')")
14  perl $curbuf->Set($curline, "1 changed line 1")
15  call assert_equal('1 changed line 1', getline('$'))
16endfunc
17
18func Test_evaluate_list()
19  call setline(line('$'), ['2 line 2'])
20  perl VIM::DoCommand("normal /^2\n")
21  perl $curline = VIM::Eval("line('.')")
22  let l = ["abc", "def"]
23  perl << EOF
24  $l = VIM::Eval("l");
25  $curbuf->Append($curline, $l);
26EOF
27  normal j
28  .perldo s|\n|/|g
29  call assert_equal('abc/def/', getline('$'))
30endfunc
31
32func Test_buffer_Delete()
33  new
34  call setline(1, ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'])
35  perl $curbuf->Delete(7)
36  perl $curbuf->Delete(2, 5)
37  perl $curbuf->Delete(10)
38  call assert_equal(['a', 'f', 'h'],  getline(1, '$'))
39  bwipe!
40endfunc
41
42func Test_buffer_Append()
43  new
44  perl $curbuf->Append(1, '1')
45  perl $curbuf->Append(2, '2', '3', '4')
46  perl @l = ('5' ..'7')
47  perl $curbuf->Append(0, @l)
48  call assert_equal(['5', '6', '7', '', '1', '2', '3', '4'], getline(1, '$'))
49  bwipe!
50endfunc
51
52func Test_buffer_Set()
53  new
54  call setline(1, ['1', '2', '3', '4', '5'])
55  perl $curbuf->Set(2, 'a', 'b', 'c')
56  perl $curbuf->Set(4, 'A', 'B', 'C')
57  call assert_equal(['1', 'a', 'b', 'A', 'B'], getline(1, '$'))
58  bwipe!
59endfunc
60
61func Test_buffer_Get()
62  new
63  call setline(1, ['1', '2', '3', '4'])
64  call assert_equal('2:3', perleval('join(":", $curbuf->Get(2, 3))'))
65  bwipe!
66endfunc
67
68func Test_buffer_Count()
69  new
70  call setline(1, ['a', 'b', 'c'])
71  call assert_equal(3, perleval('$curbuf->Count()'))
72  bwipe!
73endfunc
74
75func Test_buffer_Name()
76  new
77  call assert_equal('', perleval('$curbuf->Name()'))
78  bwipe!
79  new Xfoo
80  call assert_equal('Xfoo', perleval('$curbuf->Name()'))
81  bwipe!
82endfunc
83
84func Test_buffer_Number()
85  call assert_equal(bufnr('%'), perleval('$curbuf->Number()'))
86endfunc
87
88func Test_window_Cursor()
89  new
90  call setline(1, ['line1', 'line2'])
91  perl $curwin->Cursor(2, 3)
92  call assert_equal('2:3', perleval('join(":", $curwin->Cursor())'))
93  " Col is numbered from 0 in Perl, and from 1 in Vim script.
94  call assert_equal([0, 2, 4, 0], getpos('.'))
95  bwipe!
96endfunc
97
98func Test_window_SetHeight()
99  new
100  perl $curwin->SetHeight(2)
101  call assert_equal(2, winheight(0))
102  bwipe!
103endfunc
104
105func Test_VIM_Windows()
106  new
107  " VIM::Windows() without argument in scalar and list context.
108  perl $winnr = VIM::Windows()
109  perl @winlist = VIM::Windows()
110  perl $curbuf->Append(0, $winnr, scalar(@winlist))
111  call assert_equal(['2', '2', ''], getline(1, '$'))
112
113  " VIM::Windows() with window number argument.
114  perl VIM::Windows(VIM::Eval('winnr()'))->Buffer()->Set(1, 'bar')
115  call assert_equal('bar', getline(1))
116  bwipe!
117endfunc
118
119func Test_VIM_Buffers()
120  new Xbar
121  " VIM::Buffers() without argument in scalar and list context.
122  perl $nbuf = VIM::Buffers()
123  perl @buflist = VIM::Buffers()
124
125  " VIM::Buffers() with argument.
126  perl $mybuf = (VIM::Buffers('Xbar'))[0]
127  perl $mybuf->Append(0, $nbuf, scalar(@buflist))
128  call assert_equal(['2', '2', ''], getline(1, '$'))
129  bwipe!
130endfunc
131
132func <SID>catch_peval(expr)
133  try
134    call perleval(a:expr)
135  catch
136    return v:exception
137  endtry
138  call assert_report('no exception for `perleval("'.a:expr.'")`')
139  return ''
140endfunc
141
142func Test_perleval()
143  call assert_false(perleval('undef'))
144
145  " scalar
146  call assert_equal(0, perleval('0'))
147  call assert_equal(2, perleval('2'))
148  call assert_equal(-2, perleval('-2'))
149  if has('float')
150    call assert_equal(2.5, perleval('2.5'))
151  else
152    call assert_equal(2, perleval('2.5'))
153  end
154
155  sandbox call assert_equal(2, perleval('2'))
156
157  call assert_equal('abc', perleval('"abc"'))
158  call assert_equal("abc\ndef", perleval('"abc\0def"'))
159
160  " ref
161  call assert_equal([], perleval('[]'))
162  call assert_equal(['word', 42, [42],{}], perleval('["word", 42, [42], {}]'))
163
164  call assert_equal({}, perleval('{}'))
165  call assert_equal({'foo': 'bar'}, perleval('{foo => "bar"}'))
166
167  perl our %h; our @a;
168  let a = perleval('[\(%h, %h, @a, @a)]')
169  call assert_true((a[0] is a[1]))
170  call assert_true((a[2] is a[3]))
171  perl undef %h; undef @a;
172
173  call assert_true(<SID>catch_peval('{"" , 0}') =~ 'Malformed key Dictionary')
174  call assert_true(<SID>catch_peval('{"\0" , 0}') =~ 'Malformed key Dictionary')
175  call assert_true(<SID>catch_peval('{"foo\0bar" , 0}') =~ 'Malformed key Dictionary')
176
177  call assert_equal('*VIM', perleval('"*VIM"'))
178  call assert_true(perleval('\\0') =~ 'SCALAR(0x\x\+)')
179endfunc
180
181func Test_perldo()
182  sp __TEST__
183  exe 'read ' g:testname
184  perldo s/perl/vieux_chameau/g
185  1
186  call assert_false(search('\Cperl'))
187  bw!
188
189  " Check deleting lines does not trigger ml_get error.
190  new
191  call setline(1, ['one', 'two', 'three'])
192  perldo VIM::DoCommand("%d_")
193  bwipe!
194
195  " Check switching to another buffer does not trigger ml_get error.
196  new
197  let wincount = winnr('$')
198  call setline(1, ['one', 'two', 'three'])
199  perldo VIM::DoCommand("new")
200  call assert_equal(wincount + 1, winnr('$'))
201  bwipe!
202  bwipe!
203endfunc
204
205func Test_VIM_package()
206  perl VIM::DoCommand('let l:var = "foo"')
207  call assert_equal(l:var, 'foo')
208
209  set noet
210  perl VIM::SetOption('et')
211  call assert_true(&et)
212endfunc
213
214func Test_stdio()
215  redir =>l:out
216  perl <<EOF
217    VIM::Msg("&VIM::Msg");
218    print "STDOUT";
219    print STDERR "STDERR";
220EOF
221  redir END
222  call assert_equal(['&VIM::Msg', 'STDOUT', 'STDERR'], split(l:out, "\n"))
223endfunc
224
225" Run first to get a clean namespace
226func Test_000_SvREFCNT()
227  for i in range(8)
228    exec 'new X'.i
229  endfor
230  new t
231  perl <<--perl
232#line 5 "Test_000_SvREFCNT()"
233  my ($b, $w);
234
235  my $num = 0;
236  for ( 0 .. 100 ) {
237      if ( ++$num >= 8 ) { $num = 0 }
238      VIM::DoCommand("buffer X$num");
239      $b = $curbuf;
240  }
241
242  VIM::DoCommand("buffer t");
243
244  $b = $curbuf      for 0 .. 100;
245  $w = $curwin      for 0 .. 100;
246  () = VIM::Buffers for 0 .. 100;
247  () = VIM::Windows for 0 .. 100;
248
249  VIM::DoCommand('bw! t');
250  if (exists &Internals::SvREFCNT) {
251      my $cb = Internals::SvREFCNT($$b);
252      my $cw = Internals::SvREFCNT($$w);
253      VIM::Eval("assert_equal(2, $cb, 'T1')");
254      VIM::Eval("assert_equal(2, $cw, 'T2')");
255      my $strongref;
256      foreach ( VIM::Buffers, VIM::Windows ) {
257	  VIM::DoCommand("%bw!");
258	  my $c = Internals::SvREFCNT($_);
259	  VIM::Eval("assert_equal(2, $c, 'T3')");
260	  $c = Internals::SvREFCNT($$_);
261	  next if $c == 2 && !$strongref++;
262	  VIM::Eval("assert_equal(1, $c, 'T4')");
263      }
264      $cb = Internals::SvREFCNT($$curbuf);
265      $cw = Internals::SvREFCNT($$curwin);
266      VIM::Eval("assert_equal(3, $cb, 'T5')");
267      VIM::Eval("assert_equal(3, $cw, 'T6')");
268  }
269  VIM::Eval("assert_false($$b)");
270  VIM::Eval("assert_false($$w)");
271--perl
272  %bw!
273endfunc
274
275func Test_set_cursor()
276  " Check that setting the cursor position works.
277  new
278  call setline(1, ['first line', 'second line'])
279  normal gg
280  perldo $curwin->Cursor(1, 5)
281  call assert_equal([1, 6], [line('.'), col('.')])
282
283  " Check that movement after setting cursor position keeps current column.
284  normal j
285  call assert_equal([2, 6], [line('.'), col('.')])
286endfunc
287