diff options
| -rw-r--r-- | test/ruby/test_rand.rb | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/test/ruby/test_rand.rb b/test/ruby/test_rand.rb index dcc911ee9a..46d10f8386 100644 --- a/test/ruby/test_rand.rb +++ b/test/ruby/test_rand.rb @@ -559,8 +559,14 @@ END end def test_new_seed - v = Random.new_seed - assert_kind_of(Integer, v) - assert_operator(v.size, :>=, 16) + size = 0 + n = 8 + n.times do + v = Random.new_seed + assert_kind_of(Integer, v) + size += v.size + end + # probability of failure <= 1/256**8 + assert_operator(size.fdiv(n), :>, 15) end end |