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" Tests for srand() and rand()
func Test_Rand()
let r = srand(123456789)
call assert_equal([1573771921, 319883699, 2742014374, 1324369493], r)
call assert_equal(4284103975, rand(r))
call assert_equal(1001954530, rand(r))
call assert_equal(2701803082, rand(r))
call assert_equal(2658065534, rand(r))
call assert_equal(3104308804, rand(r))
call test_settime(12341234)
let s = srand()
if !has('win32') && 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 test_srand_seed(123456789)
call assert_equal(4284103975, rand())
call assert_equal(1001954530, rand())
call test_srand_seed()
if has('float')
call assert_fails('echo srand(1.2)', 'E805:')
endif
call assert_fails('echo srand([1])', 'E745:')
call assert_fails('echo rand("burp")', 'E475:')
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
func Test_issue_5587()
call rand()
call garbagecollect()
call rand()
endfunc
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