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comparison src/testdir/test_blob.vim @ 15454:1d2b5c016f17 v8.1.0735

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patch 8.1.0735: cannot handle binary data commit https://github.com/vim/vim/commit/6e5ea8d2a995b32bbc5972edc4f827b959f2702f Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 12 22:47:31 2019 +0100 patch 8.1.0735: cannot handle binary data Problem: Cannot handle binary data. Solution: Add the Blob type. (Yasuhiro Matsumoto, closes https://github.com/vim/vim/issues/3638)
author Bram Moolenaar <Bram@vim.org>
date Sat, 12 Jan 2019 23:00:06 +0100
parents
children f01eb1aed348
comparison
equal deleted inserted replaced
15453:cdee6e827112 15454:1d2b5c016f17
1 " Tests for the Blob types
2
3 func TearDown()
4 " Run garbage collection after every test
5 call test_garbagecollect_now()
6 endfunc
7
8 " Tests for Blob type
9
10 " Blob creation from constant
11 func 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 call assert_fails('let x = get(b, 4)')
24 endfunc
25
26 " assignment to a blob
27 func Test_blob_assign()
28 let b = 0zDEADBEEF
29 let b2 = b[1:2]
30 call assert_equal(0zADBE, b2)
31
32 let bcopy = b[:]
33 call assert_equal(b, bcopy)
34 call assert_false(b is bcopy)
35 endfunc
36
37 func Test_blob_to_string()
38 let b = 0zDEADBEEF
39 call assert_equal('[0xDE,0xAD,0xBE,0xEF]', string(b))
40 call remove(b, 0, 3)
41 call assert_equal('[]', string(b))
42 endfunc
43
44 func Test_blob_compare()
45 let b1 = 0z0011
46 let b2 = 0z1100
47 call assert_false(b1 == b2)
48 call assert_true(b1 != b2)
49 call assert_true(b1 == 0z0011)
50
51 call assert_false(b1 is b2)
52 let b2 = b1
53 call assert_true(b1 is b2)
54
55 call assert_fails('let x = b1 > b2')
56 call assert_fails('let x = b1 < b2')
57 call assert_fails('let x = b1 - b2')
58 call assert_fails('let x = b1 / b2')
59 call assert_fails('let x = b1 * b2')
60 endfunc
61
62 " test for range assign
63 func Test_blob_range_assign()
64 let b = 0z00
65 let b[1] = 0x11
66 let b[2] = 0x22
67 call assert_equal(0z001122, b)
68 call assert_fails('let b[4] = 0x33')
69 endfunc
70
71 func Test_blob_for_loop()
72 let blob = 0z00010203
73 let i = 0
74 for byte in blob
75 call assert_equal(i, byte)
76 let i += 1
77 endfor
78
79 let blob = 0z00
80 call remove(blob, 0)
81 call assert_equal(0, len(blob))
82 for byte in blob
83 call assert_error('loop over empty blob')
84 endfor
85 endfunc
86
87 func Test_blob_concatenate()
88 let b = 0z0011
89 let b += 0z2233
90 call assert_equal(0z00112233, b)
91
92 call assert_fails('let b += "a"')
93 call assert_fails('let b += 88')
94
95 let b = 0zDEAD + 0zBEEF
96 call assert_equal(0zDEADBEEF, b)
97 endfunc
98
99 " Test removing items in blob
100 func Test_blob_func_remove()
101 " Test removing 1 element
102 let b = 0zDEADBEEF
103 call assert_equal(0xDE, remove(b, 0))
104 call assert_equal(0zADBEEF, b)
105
106 let b = 0zDEADBEEF
107 call assert_equal(0xEF, remove(b, -1))
108 call assert_equal(0zDEADBE, b)
109
110 let b = 0zDEADBEEF
111 call assert_equal(0xAD, remove(b, 1))
112 call assert_equal(0zDEBEEF, b)
113
114 " Test removing range of element(s)
115 let b = 0zDEADBEEF
116 call assert_equal(0zBE, remove(b, 2, 2))
117 call assert_equal(0zDEADEF, b)
118
119 let b = 0zDEADBEEF
120 call assert_equal(0zADBE, remove(b, 1, 2))
121 call assert_equal(0zDEEF, b)
122
123 " Test invalid cases
124 let b = 0zDEADBEEF
125 call assert_fails("call remove(b, 5)", 'E979:')
126 call assert_fails("call remove(b, 1, 5)", 'E979:')
127 call assert_fails("call remove(b, 3, 2)", 'E979:')
128 call assert_fails("call remove(1, 0)", 'E712:')
129 call assert_fails("call remove(b, b)", 'E974:')
130 endfunc
131
132 func Test_blob_read_write()
133 let b = 0zDEADBEEF
134 call writefile(b, 'Xblob')
135 let br = readfile('Xblob', 'B')
136 call assert_equal(b, br)
137 call delete('Xblob')
138 endfunc
139
140 " filter() item in blob
141 func Test_blob_filter()
142 let b = 0zDEADBEEF
143 call filter(b, 'v:val != 0xEF')
144 call assert_equal(0zDEADBE, b)
145 endfunc
146
147 " map() item in blob
148 func Test_blob_map()
149 let b = 0zDEADBEEF
150 call map(b, 'v:val + 1')
151 call assert_equal(0zDFAEBFF0, b)
152 endfunc
153
154 func Test_blob_index()
155 call assert_equal(2, index(0zDEADBEEF, 0xBE))
156 call assert_equal(-1, index(0zDEADBEEF, 0))
157 endfunc
158
159 func Test_blob_insert()
160 let b = 0zDEADBEEF
161 call insert(b, 0x33)
162 call assert_equal(0z33DEADBEEF, b)
163
164 let b = 0zDEADBEEF
165 call insert(b, 0x33, 2)
166 call assert_equal(0zDEAD33BEEF, b)
167 endfunc
168
169 func Test_blob_reverse()
170 call assert_equal(0zEFBEADDE, reverse(0zDEADBEEF))
171 call assert_equal(0zBEADDE, reverse(0zDEADBE))
172 call assert_equal(0zADDE, reverse(0zDEAD))
173 call assert_equal(0zDE, reverse(0zDE))
174 endfunc
175
176 func Test_blob_json_encode()
177 call assert_equal('[222,173,190,239]', json_encode(0zDEADBEEF))
178 call assert_equal('[]', json_encode(0z))
179 endfunc