separate rb_random_t

* random.c: separate abstract rb_random_t and rb_random_mt_t for
  Mersenne Twister implementation.

* include/ruby/random.h: the interface for extensions of Random
  class.

* DLL imported symbol reference is not constant on Windows.

* check if properly initialized.

1 files changed, 20 insertions, 0 deletions

diff --git a/test/-ext-/test_random.rb b/test/-ext-/test_random.rb
new file mode 100644
index 0000000000..da716c71c0
--- /dev/null
+++ b/test/-ext-/test_random.rb
@@ -0,0 +1,20 @@
+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
+  end
+end