1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
local helpers = require('test.functional.helpers')(after_each)
local eq = helpers.eq
local clear = helpers.clear
local meths = helpers.meths
local redir_exec = helpers.redir_exec
local source = helpers.source
before_each(clear)
describe(':let command', function()
it('correctly lists variables with curly-braces', function()
meths.set_var('v', {0})
eq('\nv [0]', redir_exec('let {"v"}'))
end)
it('correctly lists variables with subscript', function()
meths.set_var('v', {0})
eq('\nv[0] #0', redir_exec('let v[0]'))
eq('\ng:["v"][0] #0', redir_exec('let g:["v"][0]'))
eq('\n{"g:"}["v"][0] #0', redir_exec('let {"g:"}["v"][0]'))
end)
it(":unlet self-referencing node in a List graph #6070", function()
-- :unlet-ing a self-referencing List must not allow GC on indirectly
-- referenced in-scope Lists. Before #6070 this caused use-after-free.
source([=[
let [l1, l2] = [[], []]
echo 'l1:' . id(l1)
echo 'l2:' . id(l2)
echo ''
let [l3, l4] = [[], []]
call add(l4, l4)
call add(l4, l3)
call add(l3, 1)
call add(l2, l2)
call add(l2, l1)
call add(l1, 1)
unlet l2
unlet l4
call garbagecollect(1)
call feedkeys(":\e:echo l1 l3\n:echo 42\n:cq\n", "t")
]=])
end)
end)
|
