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-rw-r--r--test/-ext-/test_random.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/test/-ext-/test_random.rb b/test/-ext-/test_random.rb
index da716c71c0..838e5d2f14 100644
--- a/test/-ext-/test_random.rb
+++ b/test/-ext-/test_random.rb
@@ -16,5 +16,12 @@ module TestRandomExt
rnd = Bug::Random::Loop.new(1)
assert_equal(1, rnd.rand(10))
end
+
+ def test_real
+ assert_equal(0.25, Bug::Random::Loop.new(1<<14).rand)
+ assert_equal(0.50, Bug::Random::Loop.new(2<<14).rand)
+ assert_equal(0.75, Bug::Random::Loop.new(3<<14).rand)
+ assert_equal(1.00, Bug::Random::Loop.new(4<<14).rand)
+ end
end
end