1 files changed, 22 insertions, 4 deletions
diff --git a/test/-ext-/test_random.rb b/test/-ext-/test_random.rb
index 838e5d2f14..e5cebcc871 100644
--- a/test/-ext-/test_random.rb
+++ b/test/-ext-/test_random.rb
@@ -1,11 +1,13 @@
 require 'test/unit'
 
 module TestRandomExt
+  def setup
+    super
+    assert_nothing_raised(LoadError) {require '-test-/random'}
+  end
+
   class TestLoop < Test::Unit::TestCase
-    def setup
-      super
-      assert_nothing_raised(LoadError) {require '-test-/random'}
-    end
+    include TestRandomExt
 
     def test_bytes
       rnd = Bug::Random::Loop.new(1)
@@ -24,4 +26,20 @@ module TestRandomExt
       assert_equal(1.00, Bug::Random::Loop.new(4<<14).rand)
     end
   end
+
+  class TestVersionZero < Test::Unit::TestCase
+    include TestRandomExt
+
+    def test_bad_version
+      assert_raise(TypeError) {Bug::Random::VersionZero.new}
+    end
+  end
+
+  class TestVersionMax < Test::Unit::TestCase
+    include TestRandomExt
+
+    def test_bad_version
+      assert_raise(TypeError) {Bug::Random::VersionMax.new}
+    end
+  end
 end