xref: /vim-8.2.3635/src/testdir/test_blob.vim (revision 81ea1dfb)
1" Tests for the Blob types
2
3func TearDown()
4  " Run garbage collection after every test
5  call test_garbagecollect_now()
6endfunc
7
8" Tests for Blob type
9
10" Blob creation from constant
11func Test_blob_create()
12  let b = 0zDEADBEEF
13  call assert_equal(v:t_blob, type(b))
14  call assert_equal(4, len(b))
15  call assert_equal(0xDE, b[0])
16  call assert_equal(0xAD, b[1])
17  call assert_equal(0xBE, b[2])
18  call assert_equal(0xEF, b[3])
19  call assert_fails('let x = b[4]')
20
21  call assert_equal(0xDE, get(b, 0))
22  call assert_equal(0xEF, get(b, 3))
23
24  call assert_fails('let b = 0z1', 'E973:')
25  call assert_fails('let b = 0z1x', 'E973:')
26  call assert_fails('let b = 0z12345', 'E973:')
27
28  call assert_equal(0z, test_null_blob())
29
30  let b = 0z001122.33445566.778899.aabbcc.dd
31  call assert_equal(0z00112233445566778899aabbccdd, b)
32  call assert_fails('let b = 0z1.1')
33  call assert_fails('let b = 0z.')
34  call assert_fails('let b = 0z001122.')
35  call assert_fails('call get("", 1)', 'E896:')
36endfunc
37
38" assignment to a blob
39func Test_blob_assign()
40  let b = 0zDEADBEEF
41  let b2 = b[1:2]
42  call assert_equal(0zADBE, b2)
43
44  let bcopy = b[:]
45  call assert_equal(b, bcopy)
46  call assert_false(b is bcopy)
47
48  let b = 0zDEADBEEF
49  let b2 = b
50  call assert_true(b is b2)
51  let b[:] = 0z11223344
52  call assert_equal(0z11223344, b)
53  call assert_equal(0z11223344, b2)
54  call assert_true(b is b2)
55
56  let b = 0zDEADBEEF
57  let b[3:] = 0z66
58  call assert_equal(0zDEADBE66, b)
59  let b[:1] = 0z8899
60  call assert_equal(0z8899BE66, b)
61
62  call assert_fails('let b[2:3] = 0z112233', 'E972:')
63  call assert_fails('let b[2:3] = 0z11', 'E972:')
64  call assert_fails('let b[3:2] = 0z', 'E979:')
65
66  let b = 0zDEADBEEF
67  let b += 0z99
68  call assert_equal(0zDEADBEEF99, b)
69
70  call assert_fails('let b .= 0z33', 'E734:')
71  call assert_fails('let b .= "xx"', 'E734:')
72  call assert_fails('let b += "xx"', 'E734:')
73  call assert_fails('let b[1:1] .= 0z55', 'E734:')
74
75  let l = [0z12]
76  let m = deepcopy(l)
77  let m[0] = 0z34	" E742 or E741 should not occur.
78endfunc
79
80func Test_blob_get_range()
81  let b = 0z0011223344
82  call assert_equal(0z2233, b[2:3])
83  call assert_equal(0z223344, b[2:-1])
84  call assert_equal(0z00, b[0:-5])
85  call assert_equal(0z, b[0:-11])
86  call assert_equal(0z44, b[-1:])
87  call assert_equal(0z0011223344, b[:])
88  call assert_equal(0z0011223344, b[:-1])
89  call assert_equal(0z, b[5:6])
90  call assert_equal(0z0011, b[-10:1])
91endfunc
92
93func Test_blob_get()
94  let b = 0z0011223344
95  call assert_equal(0x00, get(b, 0))
96  call assert_equal(0x22, get(b, 2, 999))
97  call assert_equal(0x44, get(b, 4))
98  call assert_equal(0x44, get(b, -1))
99  call assert_equal(-1, get(b, 5))
100  call assert_equal(999, get(b, 5, 999))
101  call assert_equal(-1, get(b, -8))
102  call assert_equal(999, get(b, -8, 999))
103
104  call assert_equal(0x00, b[0])
105  call assert_equal(0x22, b[2])
106  call assert_equal(0x44, b[4])
107  call assert_equal(0x44, b[-1])
108  call assert_fails('echo b[5]', 'E979:')
109  call assert_fails('echo b[-8]', 'E979:')
110endfunc
111
112func Test_blob_to_string()
113  let b = 0z00112233445566778899aabbccdd
114  call assert_equal('0z00112233.44556677.8899AABB.CCDD', string(b))
115  call assert_equal(b, eval(string(b)))
116  call remove(b, 4, -1)
117  call assert_equal('0z00112233', string(b))
118  call remove(b, 0, 3)
119  call assert_equal('0z', string(b))
120endfunc
121
122func Test_blob_compare()
123  let b1 = 0z0011
124  let b2 = 0z1100
125  let b3 = 0z001122
126  call assert_true(b1 == b1)
127  call assert_false(b1 == b2)
128  call assert_false(b1 == b3)
129  call assert_true(b1 != b2)
130  call assert_true(b1 != b3)
131  call assert_true(b1 == 0z0011)
132  call assert_fails('echo b1 == 9', 'E977:')
133  call assert_fails('echo b1 != 9', 'E977:')
134
135  call assert_false(b1 is b2)
136  let b2 = b1
137  call assert_true(b1 == b2)
138  call assert_true(b1 is b2)
139  let b2 = copy(b1)
140  call assert_true(b1 == b2)
141  call assert_false(b1 is b2)
142  let b2 = b1[:]
143  call assert_true(b1 == b2)
144  call assert_false(b1 is b2)
145
146  call assert_fails('let x = b1 > b2')
147  call assert_fails('let x = b1 < b2')
148  call assert_fails('let x = b1 - b2')
149  call assert_fails('let x = b1 / b2')
150  call assert_fails('let x = b1 * b2')
151endfunc
152
153" test for range assign
154func Test_blob_range_assign()
155  let b = 0z00
156  let b[1] = 0x11
157  let b[2] = 0x22
158  call assert_equal(0z001122, b)
159  call assert_fails('let b[4] = 0x33', 'E979:')
160endfunc
161
162func Test_blob_for_loop()
163  let blob = 0z00010203
164  let i = 0
165  for byte in blob
166    call assert_equal(i, byte)
167    let i += 1
168  endfor
169    call assert_equal(4, i)
170
171  let blob = 0z00
172  call remove(blob, 0)
173  call assert_equal(0, len(blob))
174  for byte in blob
175    call assert_error('loop over empty blob')
176  endfor
177
178  let blob = 0z0001020304
179  let i = 0
180  for byte in blob
181    call assert_equal(i, byte)
182    if i == 1
183      call remove(blob, 0)
184    elseif i == 3
185      call remove(blob, 3)
186    endif
187    let i += 1
188  endfor
189  call assert_equal(5, i)
190endfunc
191
192func Test_blob_concatenate()
193  let b = 0z0011
194  let b += 0z2233
195  call assert_equal(0z00112233, b)
196
197  call assert_fails('let b += "a"')
198  call assert_fails('let b += 88')
199
200  let b = 0zDEAD + 0zBEEF
201  call assert_equal(0zDEADBEEF, b)
202endfunc
203
204func Test_blob_add()
205  let b = 0z0011
206  call add(b, 0x22)
207  call assert_equal(0z001122, b)
208  call add(b, '51')
209  call assert_equal(0z00112233, b)
210
211  call assert_fails('call add(b, [9])', 'E745:')
212  call assert_fails('call add("", 0x01)', 'E897:')
213endfunc
214
215func Test_blob_empty()
216  call assert_false(empty(0z001122))
217  call assert_true(empty(0z))
218  call assert_true(empty(test_null_blob()))
219endfunc
220
221" Test removing items in blob
222func Test_blob_func_remove()
223  " Test removing 1 element
224  let b = 0zDEADBEEF
225  call assert_equal(0xDE, remove(b, 0))
226  call assert_equal(0zADBEEF, b)
227
228  let b = 0zDEADBEEF
229  call assert_equal(0xEF, remove(b, -1))
230  call assert_equal(0zDEADBE, b)
231
232  let b = 0zDEADBEEF
233  call assert_equal(0xAD, remove(b, 1))
234  call assert_equal(0zDEBEEF, b)
235
236  " Test removing range of element(s)
237  let b = 0zDEADBEEF
238  call assert_equal(0zBE, remove(b, 2, 2))
239  call assert_equal(0zDEADEF, b)
240
241  let b = 0zDEADBEEF
242  call assert_equal(0zADBE, remove(b, 1, 2))
243  call assert_equal(0zDEEF, b)
244
245  " Test invalid cases
246  let b = 0zDEADBEEF
247  call assert_fails("call remove(b, 5)", 'E979:')
248  call assert_fails("call remove(b, 1, 5)", 'E979:')
249  call assert_fails("call remove(b, 3, 2)", 'E979:')
250  call assert_fails("call remove(1, 0)", 'E896:')
251  call assert_fails("call remove(b, b)", 'E974:')
252endfunc
253
254func Test_blob_read_write()
255  let b = 0zDEADBEEF
256  call writefile(b, 'Xblob')
257  let br = readfile('Xblob', 'B')
258  call assert_equal(b, br)
259  call delete('Xblob')
260
261  " This was crashing when calling readfile() with a directory.
262  call assert_fails("call readfile('.', 'B')", 'E17: "." is a directory')
263endfunc
264
265" filter() item in blob
266func Test_blob_filter()
267  call assert_equal(0z, filter(0zDEADBEEF, '0'))
268  call assert_equal(0zADBEEF, filter(0zDEADBEEF, 'v:val != 0xDE'))
269  call assert_equal(0zDEADEF, filter(0zDEADBEEF, 'v:val != 0xBE'))
270  call assert_equal(0zDEADBE, filter(0zDEADBEEF, 'v:val != 0xEF'))
271  call assert_equal(0zDEADBEEF, filter(0zDEADBEEF, '1'))
272  call assert_equal(0z01030103, filter(0z010203010203, 'v:val != 0x02'))
273  call assert_equal(0zADEF, filter(0zDEADBEEF, 'v:key % 2'))
274endfunc
275
276" map() item in blob
277func Test_blob_map()
278  call assert_equal(0zDFAEBFF0, map(0zDEADBEEF, 'v:val + 1'))
279  call assert_equal(0z00010203, map(0zDEADBEEF, 'v:key'))
280  call assert_equal(0zDEAEC0F2, map(0zDEADBEEF, 'v:key + v:val'))
281
282  call assert_fails("call map(0z00, '[9]')", 'E978:')
283endfunc
284
285func Test_blob_index()
286  call assert_equal(2, index(0zDEADBEEF, 0xBE))
287  call assert_equal(-1, index(0zDEADBEEF, 0))
288  call assert_equal(2, index(0z11111111, 0x11, 2))
289  call assert_equal(3, 0z11110111->index(0x11, 2))
290  call assert_equal(2, index(0z11111111, 0x11, -2))
291  call assert_equal(3, index(0z11110111, 0x11, -2))
292  call assert_equal(0, index(0z11110111, 0x11, -10))
293  call assert_fails("echo index(0z11110111, 0x11, [])", 'E745:')
294
295  call assert_fails('call index("asdf", 0)', 'E897:')
296endfunc
297
298func Test_blob_insert()
299  let b = 0zDEADBEEF
300  call insert(b, 0x33)
301  call assert_equal(0z33DEADBEEF, b)
302
303  let b = 0zDEADBEEF
304  call insert(b, 0x33, 2)
305  call assert_equal(0zDEAD33BEEF, b)
306
307  call assert_fails('call insert(b, -1)', 'E475:')
308  call assert_fails('call insert(b, 257)', 'E475:')
309  call assert_fails('call insert(b, 0, [9])', 'E745:')
310endfunc
311
312func Test_blob_reverse()
313  call assert_equal(0zEFBEADDE, reverse(0zDEADBEEF))
314  call assert_equal(0zBEADDE, reverse(0zDEADBE))
315  call assert_equal(0zADDE, reverse(0zDEAD))
316  call assert_equal(0zDE, reverse(0zDE))
317endfunc
318
319func Test_blob_json_encode()
320  call assert_equal('[222,173,190,239]', json_encode(0zDEADBEEF))
321  call assert_equal('[]', json_encode(0z))
322endfunc
323
324func Test_blob_lock()
325  let b = 0z112233
326  lockvar b
327  call assert_fails('let b = 0z44', 'E741:')
328  unlockvar b
329  let b = 0z44
330endfunc
331
332func Test_blob_sort()
333  if has('float')
334    call assert_fails('call sort([1.0, 0z11], "f")', 'E975:')
335  else
336    call assert_fails('call sort(["abc", 0z11], "f")', 'E702:')
337  endif
338endfunc
339
340" vim: shiftwidth=2 sts=2 expandtab
341