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
|
" Tests for srand() and rand()
func Test_Rand()
let r = srand(123456789)
call assert_equal([123456789, 362436069, 521288629, 88675123], r)
call assert_equal(3701687786, rand(r))
call assert_equal(458299110, rand(r))
call assert_equal(2500872618, rand(r))
call assert_equal(3633119408, rand(r))
call assert_equal(516391518, rand(r))
call test_settime(12341234)
let s = srand()
if filereadable('/dev/urandom')
" using /dev/urandom
call assert_notequal(s, srand())
else
" using time()
call assert_equal(s, srand())
call test_settime(12341235)
call assert_notequal(s, srand())
endif
call srand()
let v = rand()
call assert_notequal(v, rand())
call assert_fails('echo srand([1])', 'E745:')
call assert_fails('echo rand([1, 2, 3])', 'E475:')
call assert_fails('echo rand([[1], 2, 3, 4])', 'E475:')
call assert_fails('echo rand([1, [2], 3, 4])', 'E475:')
call assert_fails('echo rand([1, 2, [3], 4])', 'E475:')
call assert_fails('echo rand([1, 2, 3, [4]])', 'E475:')
call test_settime(0)
endfunc
|
