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ruby--ruby/test/-ext-/test_random.rb
2020-09-07 20:08:01 +09:00

27 lines
662 B
Ruby

require 'test/unit'
module TestRandomExt
class TestLoop < Test::Unit::TestCase
def setup
super
assert_nothing_raised(LoadError) {require '-test-/random'}
end
def test_bytes
rnd = Bug::Random::Loop.new(1)
assert_equal("\1", rnd.bytes(1))
end
def test_rand
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