xref: /vim-8.2.3635/src/testdir/test_blob.vim (revision ceb56ddb)
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:')
36  call assert_equal(0, len(test_null_blob()))
37endfunc
38
39" assignment to a blob
40func Test_blob_assign()
41  let b = 0zDEADBEEF
42  let b2 = b[1:2]
43  call assert_equal(0zADBE, b2)
44
45  let bcopy = b[:]
46  call assert_equal(b, bcopy)
47  call assert_false(b is bcopy)
48
49  let b = 0zDEADBEEF
50  let b2 = b
51  call assert_true(b is b2)
52  let b[:] = 0z11223344
53  call assert_equal(0z11223344, b)
54  call assert_equal(0z11223344, b2)
55  call assert_true(b is b2)
56
57  let b = 0zDEADBEEF
58  let b[3:] = 0z66
59  call assert_equal(0zDEADBE66, b)
60  let b[:1] = 0z8899
61  call assert_equal(0z8899BE66, b)
62
63  call assert_fails('let b[2:3] = 0z112233', 'E972:')
64  call assert_fails('let b[2:3] = 0z11', 'E972:')
65  call assert_fails('let b[3:2] = 0z', 'E979:')
66
67  let b = 0zDEADBEEF
68  let b += 0z99
69  call assert_equal(0zDEADBEEF99, b)
70
71  call assert_fails('let b .= 0z33', 'E734:')
72  call assert_fails('let b .= "xx"', 'E734:')
73  call assert_fails('let b += "xx"', 'E734:')
74  call assert_fails('let b[1:1] .= 0z55', 'E734:')
75
76  let l = [0z12]
77  let m = deepcopy(l)
78  let m[0] = 0z34	" E742 or E741 should not occur.
79endfunc
80
81func Test_blob_get_range()
82  let b = 0z0011223344
83  call assert_equal(0z2233, b[2:3])
84  call assert_equal(0z223344, b[2:-1])
85  call assert_equal(0z00, b[0:-5])
86  call assert_equal(0z, b[0:-11])
87  call assert_equal(0z44, b[-1:])
88  call assert_equal(0z0011223344, b[:])
89  call assert_equal(0z0011223344, b[:-1])
90  call assert_equal(0z, b[5:6])
91  call assert_equal(0z0011, b[-10:1])
92endfunc
93
94func Test_blob_get()
95  let b = 0z0011223344
96  call assert_equal(0x00, get(b, 0))
97  call assert_equal(0x22, get(b, 2, 999))
98  call assert_equal(0x44, get(b, 4))
99  call assert_equal(0x44, get(b, -1))
100  call assert_equal(-1, get(b, 5))
101  call assert_equal(999, get(b, 5, 999))
102  call assert_equal(-1, get(b, -8))
103  call assert_equal(999, get(b, -8, 999))
104  call assert_equal(10, get(test_null_blob(), 2, 10))
105
106  call assert_equal(0x00, b[0])
107  call assert_equal(0x22, b[2])
108  call assert_equal(0x44, b[4])
109  call assert_equal(0x44, b[-1])
110  call assert_fails('echo b[5]', 'E979:')
111  call assert_fails('echo b[-8]', 'E979:')
112endfunc
113
114func Test_blob_to_string()
115  let b = 0z00112233445566778899aabbccdd
116  call assert_equal('0z00112233.44556677.8899AABB.CCDD', string(b))
117  call assert_equal(b, eval(string(b)))
118  call remove(b, 4, -1)
119  call assert_equal('0z00112233', string(b))
120  call remove(b, 0, 3)
121  call assert_equal('0z', string(b))
122  call assert_equal('0z', string(test_null_blob()))
123endfunc
124
125func Test_blob_compare()
126  let b1 = 0z0011
127  let b2 = 0z1100
128  let b3 = 0z001122
129  call assert_true(b1 == b1)
130  call assert_false(b1 == b2)
131  call assert_false(b1 == b3)
132  call assert_true(b1 != b2)
133  call assert_true(b1 != b3)
134  call assert_true(b1 == 0z0011)
135  call assert_fails('echo b1 == 9', 'E977:')
136  call assert_fails('echo b1 != 9', 'E977:')
137
138  call assert_false(b1 is b2)
139  let b2 = b1
140  call assert_true(b1 == b2)
141  call assert_true(b1 is b2)
142  let b2 = copy(b1)
143  call assert_true(b1 == b2)
144  call assert_false(b1 is b2)
145  let b2 = b1[:]
146  call assert_true(b1 == b2)
147  call assert_false(b1 is b2)
148  call assert_true(b1 isnot b2)
149
150  call assert_fails('let x = b1 > b2')
151  call assert_fails('let x = b1 < b2')
152  call assert_fails('let x = b1 - b2')
153  call assert_fails('let x = b1 / b2')
154  call assert_fails('let x = b1 * b2')
155endfunc
156
157" test for range assign
158func Test_blob_range_assign()
159  let b = 0z00
160  let b[1] = 0x11
161  let b[2] = 0x22
162  call assert_equal(0z001122, b)
163  call assert_fails('let b[4] = 0x33', 'E979:')
164endfunc
165
166func Test_blob_for_loop()
167  let blob = 0z00010203
168  let i = 0
169  for byte in blob
170    call assert_equal(i, byte)
171    let i += 1
172  endfor
173    call assert_equal(4, i)
174
175  let blob = 0z00
176  call remove(blob, 0)
177  call assert_equal(0, len(blob))
178  for byte in blob
179    call assert_error('loop over empty blob')
180  endfor
181
182  let blob = 0z0001020304
183  let i = 0
184  for byte in blob
185    call assert_equal(i, byte)
186    if i == 1
187      call remove(blob, 0)
188    elseif i == 3
189      call remove(blob, 3)
190    endif
191    let i += 1
192  endfor
193  call assert_equal(5, i)
194endfunc
195
196func Test_blob_concatenate()
197  let b = 0z0011
198  let b += 0z2233
199  call assert_equal(0z00112233, b)
200
201  call assert_fails('let b += "a"')
202  call assert_fails('let b += 88')
203
204  let b = 0zDEAD + 0zBEEF
205  call assert_equal(0zDEADBEEF, b)
206endfunc
207
208func Test_blob_add()
209  let b = 0z0011
210  call add(b, 0x22)
211  call assert_equal(0z001122, b)
212  call add(b, '51')
213  call assert_equal(0z00112233, b)
214  call assert_equal(1, add(test_null_blob(), 0x22))
215
216  call assert_fails('call add(b, [9])', 'E745:')
217  call assert_fails('call add("", 0x01)', 'E897:')
218endfunc
219
220func Test_blob_empty()
221  call assert_false(empty(0z001122))
222  call assert_true(empty(0z))
223  call assert_true(empty(test_null_blob()))
224endfunc
225
226" Test removing items in blob
227func Test_blob_func_remove()
228  " Test removing 1 element
229  let b = 0zDEADBEEF
230  call assert_equal(0xDE, remove(b, 0))
231  call assert_equal(0zADBEEF, b)
232
233  let b = 0zDEADBEEF
234  call assert_equal(0xEF, remove(b, -1))
235  call assert_equal(0zDEADBE, b)
236
237  let b = 0zDEADBEEF
238  call assert_equal(0xAD, remove(b, 1))
239  call assert_equal(0zDEBEEF, b)
240
241  " Test removing range of element(s)
242  let b = 0zDEADBEEF
243  call assert_equal(0zBE, remove(b, 2, 2))
244  call assert_equal(0zDEADEF, b)
245
246  let b = 0zDEADBEEF
247  call assert_equal(0zADBE, remove(b, 1, 2))
248  call assert_equal(0zDEEF, b)
249
250  " Test invalid cases
251  let b = 0zDEADBEEF
252  call assert_fails("call remove(b, 5)", 'E979:')
253  call assert_fails("call remove(b, 1, 5)", 'E979:')
254  call assert_fails("call remove(b, 3, 2)", 'E979:')
255  call assert_fails("call remove(1, 0)", 'E896:')
256  call assert_fails("call remove(b, b)", 'E974:')
257  call assert_fails("call remove(b, 1, [])", 'E745:')
258  call assert_fails("call remove(test_null_blob(), 1, 2)", 'E979:')
259endfunc
260
261func Test_blob_read_write()
262  let b = 0zDEADBEEF
263  call writefile(b, 'Xblob')
264  let br = readfile('Xblob', 'B')
265  call assert_equal(b, br)
266  call delete('Xblob')
267
268  " This was crashing when calling readfile() with a directory.
269  call assert_fails("call readfile('.', 'B')", 'E17: "." is a directory')
270endfunc
271
272" filter() item in blob
273func Test_blob_filter()
274  call assert_equal(0z, filter(0zDEADBEEF, '0'))
275  call assert_equal(0zADBEEF, filter(0zDEADBEEF, 'v:val != 0xDE'))
276  call assert_equal(0zDEADEF, filter(0zDEADBEEF, 'v:val != 0xBE'))
277  call assert_equal(0zDEADBE, filter(0zDEADBEEF, 'v:val != 0xEF'))
278  call assert_equal(0zDEADBEEF, filter(0zDEADBEEF, '1'))
279  call assert_equal(0z01030103, filter(0z010203010203, 'v:val != 0x02'))
280  call assert_equal(0zADEF, filter(0zDEADBEEF, 'v:key % 2'))
281endfunc
282
283" map() item in blob
284func Test_blob_map()
285  call assert_equal(0zDFAEBFF0, map(0zDEADBEEF, 'v:val + 1'))
286  call assert_equal(0z00010203, map(0zDEADBEEF, 'v:key'))
287  call assert_equal(0zDEAEC0F2, map(0zDEADBEEF, 'v:key + v:val'))
288
289  call assert_fails("call map(0z00, '[9]')", 'E978:')
290endfunc
291
292func Test_blob_index()
293  call assert_equal(2, index(0zDEADBEEF, 0xBE))
294  call assert_equal(-1, index(0zDEADBEEF, 0))
295  call assert_equal(2, index(0z11111111, 0x11, 2))
296  call assert_equal(3, 0z11110111->index(0x11, 2))
297  call assert_equal(2, index(0z11111111, 0x11, -2))
298  call assert_equal(3, index(0z11110111, 0x11, -2))
299  call assert_equal(0, index(0z11110111, 0x11, -10))
300  call assert_fails("echo index(0z11110111, 0x11, [])", 'E745:')
301  call assert_equal(-1, index(test_null_blob(), 1))
302
303  call assert_fails('call index("asdf", 0)', 'E897:')
304endfunc
305
306func Test_blob_insert()
307  let b = 0zDEADBEEF
308  call insert(b, 0x33)
309  call assert_equal(0z33DEADBEEF, b)
310
311  let b = 0zDEADBEEF
312  call insert(b, 0x33, 2)
313  call assert_equal(0zDEAD33BEEF, b)
314
315  call assert_fails('call insert(b, -1)', 'E475:')
316  call assert_fails('call insert(b, 257)', 'E475:')
317  call assert_fails('call insert(b, 0, [9])', 'E745:')
318  call assert_fails('call insert(b, 0, -20)', 'E475:')
319  call assert_fails('call insert(b, 0, 20)', 'E475:')
320  call assert_fails('call insert(b, [])', 'E745:')
321  call assert_equal(0, insert(test_null_blob(), 0x33))
322endfunc
323
324func Test_blob_reverse()
325  call assert_equal(0zEFBEADDE, reverse(0zDEADBEEF))
326  call assert_equal(0zBEADDE, reverse(0zDEADBE))
327  call assert_equal(0zADDE, reverse(0zDEAD))
328  call assert_equal(0zDE, reverse(0zDE))
329  call assert_equal(0z, reverse(test_null_blob()))
330endfunc
331
332func Test_blob_json_encode()
333  call assert_equal('[222,173,190,239]', json_encode(0zDEADBEEF))
334  call assert_equal('[]', json_encode(0z))
335endfunc
336
337func Test_blob_lock()
338  let b = 0z112233
339  lockvar b
340  call assert_fails('let b = 0z44', 'E741:')
341  unlockvar b
342  let b = 0z44
343endfunc
344
345func Test_blob_sort()
346  if has('float')
347    call assert_fails('call sort([1.0, 0z11], "f")', 'E975:')
348  else
349    call assert_fails('call sort(["abc", 0z11], "f")', 'E702:')
350  endif
351endfunc
352
353" vim: shiftwidth=2 sts=2 expandtab
354