xref: /vim-8.2.3635/src/testdir/test_blob.vim (revision 147e7d0c)
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.')
35endfunc
36
37" assignment to a blob
38func Test_blob_assign()
39  let b = 0zDEADBEEF
40  let b2 = b[1:2]
41  call assert_equal(0zADBE, b2)
42
43  let bcopy = b[:]
44  call assert_equal(b, bcopy)
45  call assert_false(b is bcopy)
46
47  let b = 0zDEADBEEF
48  let b2 = b
49  call assert_true(b is b2)
50  let b[:] = 0z11223344
51  call assert_equal(0z11223344, b)
52  call assert_equal(0z11223344, b2)
53  call assert_true(b is b2)
54
55  let b = 0zDEADBEEF
56  let b[3:] = 0z66
57  call assert_equal(0zDEADBE66, b)
58  let b[:1] = 0z8899
59  call assert_equal(0z8899BE66, b)
60
61  call assert_fails('let b[2:3] = 0z112233', 'E972:')
62  call assert_fails('let b[2:3] = 0z11', 'E972:')
63  call assert_fails('let b[3:2] = 0z', 'E979:')
64
65  let b = 0zDEADBEEF
66  let b += 0z99
67  call assert_equal(0zDEADBEEF99, b)
68
69  call assert_fails('let b .= 0z33', 'E734:')
70  call assert_fails('let b .= "xx"', 'E734:')
71  call assert_fails('let b += "xx"', 'E734:')
72  call assert_fails('let b[1:1] .= 0z55', 'E734:')
73endfunc
74
75func Test_blob_get_range()
76  let b = 0z0011223344
77  call assert_equal(0z2233, b[2:3])
78  call assert_equal(0z223344, b[2:-1])
79  call assert_equal(0z00, b[0:-5])
80  call assert_equal(0z, b[0:-11])
81  call assert_equal(0z44, b[-1:])
82  call assert_equal(0z0011223344, b[:])
83  call assert_equal(0z0011223344, b[:-1])
84  call assert_equal(0z, b[5:6])
85endfunc
86
87func Test_blob_get()
88  let b = 0z0011223344
89  call assert_equal(0x00, get(b, 0))
90  call assert_equal(0x22, get(b, 2, 999))
91  call assert_equal(0x44, get(b, 4))
92  call assert_equal(0x44, get(b, -1))
93  call assert_equal(-1, get(b, 5))
94  call assert_equal(999, get(b, 5, 999))
95  call assert_equal(-1, get(b, -8))
96  call assert_equal(999, get(b, -8, 999))
97endfunc
98
99func Test_blob_to_string()
100  let b = 0z00112233445566778899aabbccdd
101  call assert_equal('0z00112233.44556677.8899AABB.CCDD', string(b))
102  call assert_equal(b, eval(string(b)))
103  call remove(b, 4, -1)
104  call assert_equal('0z00112233', string(b))
105  call remove(b, 0, 3)
106  call assert_equal('0z', string(b))
107endfunc
108
109func Test_blob_compare()
110  let b1 = 0z0011
111  let b2 = 0z1100
112  let b3 = 0z001122
113  call assert_true(b1 == b1)
114  call assert_false(b1 == b2)
115  call assert_false(b1 == b3)
116  call assert_true(b1 != b2)
117  call assert_true(b1 != b3)
118  call assert_true(b1 == 0z0011)
119  call assert_fails('echo b1 == 9', 'E977:')
120  call assert_fails('echo b1 != 9', 'E977:')
121
122  call assert_false(b1 is b2)
123  let b2 = b1
124  call assert_true(b1 == b2)
125  call assert_true(b1 is b2)
126  let b2 = copy(b1)
127  call assert_true(b1 == b2)
128  call assert_false(b1 is b2)
129  let b2 = b1[:]
130  call assert_true(b1 == b2)
131  call assert_false(b1 is b2)
132
133  call assert_fails('let x = b1 > b2')
134  call assert_fails('let x = b1 < b2')
135  call assert_fails('let x = b1 - b2')
136  call assert_fails('let x = b1 / b2')
137  call assert_fails('let x = b1 * b2')
138endfunc
139
140" test for range assign
141func Test_blob_range_assign()
142  let b = 0z00
143  let b[1] = 0x11
144  let b[2] = 0x22
145  call assert_equal(0z001122, b)
146  call assert_fails('let b[4] = 0x33', 'E979:')
147endfunc
148
149func Test_blob_for_loop()
150  let blob = 0z00010203
151  let i = 0
152  for byte in blob
153    call assert_equal(i, byte)
154    let i += 1
155  endfor
156
157  let blob = 0z00
158  call remove(blob, 0)
159  call assert_equal(0, len(blob))
160  for byte in blob
161    call assert_error('loop over empty blob')
162  endfor
163endfunc
164
165func Test_blob_concatenate()
166  let b = 0z0011
167  let b += 0z2233
168  call assert_equal(0z00112233, b)
169
170  call assert_fails('let b += "a"')
171  call assert_fails('let b += 88')
172
173  let b = 0zDEAD + 0zBEEF
174  call assert_equal(0zDEADBEEF, b)
175endfunc
176
177func Test_blob_add()
178  let b = 0z0011
179  call add(b, 0x22)
180  call assert_equal(0z001122, b)
181  call add(b, '51')
182  call assert_equal(0z00112233, b)
183
184  call assert_fails('call add(b, [9])', 'E745:')
185endfunc
186
187func Test_blob_empty()
188  call assert_false(empty(0z001122))
189  call assert_true(empty(0z))
190  call assert_true(empty(test_null_blob()))
191endfunc
192
193" Test removing items in blob
194func Test_blob_func_remove()
195  " Test removing 1 element
196  let b = 0zDEADBEEF
197  call assert_equal(0xDE, remove(b, 0))
198  call assert_equal(0zADBEEF, b)
199
200  let b = 0zDEADBEEF
201  call assert_equal(0xEF, remove(b, -1))
202  call assert_equal(0zDEADBE, b)
203
204  let b = 0zDEADBEEF
205  call assert_equal(0xAD, remove(b, 1))
206  call assert_equal(0zDEBEEF, b)
207
208  " Test removing range of element(s)
209  let b = 0zDEADBEEF
210  call assert_equal(0zBE, remove(b, 2, 2))
211  call assert_equal(0zDEADEF, b)
212
213  let b = 0zDEADBEEF
214  call assert_equal(0zADBE, remove(b, 1, 2))
215  call assert_equal(0zDEEF, b)
216
217  " Test invalid cases
218  let b = 0zDEADBEEF
219  call assert_fails("call remove(b, 5)", 'E979:')
220  call assert_fails("call remove(b, 1, 5)", 'E979:')
221  call assert_fails("call remove(b, 3, 2)", 'E979:')
222  call assert_fails("call remove(1, 0)", 'E712:')
223  call assert_fails("call remove(b, b)", 'E974:')
224endfunc
225
226func Test_blob_read_write()
227  let b = 0zDEADBEEF
228  call writefile(b, 'Xblob')
229  let br = readfile('Xblob', 'B')
230  call assert_equal(b, br)
231  call delete('Xblob')
232endfunc
233
234" filter() item in blob
235func Test_blob_filter()
236  let b = 0zDEADBEEF
237  call filter(b, 'v:val != 0xEF')
238  call assert_equal(0zDEADBE, b)
239endfunc
240
241" map() item in blob
242func Test_blob_map()
243  let b = 0zDEADBEEF
244  call map(b, 'v:val + 1')
245  call assert_equal(0zDFAEBFF0, b)
246
247  call assert_fails("call map(b, '[9]')", 'E978:')
248endfunc
249
250func Test_blob_index()
251  call assert_equal(2, index(0zDEADBEEF, 0xBE))
252  call assert_equal(-1, index(0zDEADBEEF, 0))
253  call assert_equal(2, index(0z11111111, 0x11, 2))
254  call assert_equal(3, index(0z11110111, 0x11, 2))
255  call assert_equal(2, index(0z11111111, 0x11, -2))
256  call assert_equal(3, index(0z11110111, 0x11, -2))
257
258  call assert_fails('call index("asdf", 0)', 'E714:')
259endfunc
260
261func Test_blob_insert()
262  let b = 0zDEADBEEF
263  call insert(b, 0x33)
264  call assert_equal(0z33DEADBEEF, b)
265
266  let b = 0zDEADBEEF
267  call insert(b, 0x33, 2)
268  call assert_equal(0zDEAD33BEEF, b)
269
270  call assert_fails('call insert(b, -1)', 'E475:')
271  call assert_fails('call insert(b, 257)', 'E475:')
272  call assert_fails('call insert(b, 0, [9])', 'E745:')
273endfunc
274
275func Test_blob_reverse()
276  call assert_equal(0zEFBEADDE, reverse(0zDEADBEEF))
277  call assert_equal(0zBEADDE, reverse(0zDEADBE))
278  call assert_equal(0zADDE, reverse(0zDEAD))
279  call assert_equal(0zDE, reverse(0zDE))
280endfunc
281
282func Test_blob_json_encode()
283  call assert_equal('[222,173,190,239]', json_encode(0zDEADBEEF))
284  call assert_equal('[]', json_encode(0z))
285endfunc
286
287func Test_blob_lock()
288  let b = 0z112233
289  lockvar b
290  call assert_fails('let b = 0z44', 'E741:')
291  unlockvar b
292  let b = 0z44
293endfunc
294
295func Test_blob_sort()
296  call assert_fails('call sort([1.0, 0z11], "f")', 'E975:')
297endfunc
298