1 files changed, 12 insertions, 0 deletions
diff --git a/test/digest/test_digest.rb b/test/digest/test_digest.rb
index 36a8635926..3e7f850af9 100755
--- a/test/digest/test_digest.rb
+++ b/test/digest/test_digest.rb
@@ -105,10 +105,22 @@ module TestDigest
   end
 
   def test_bubblebabble
+    expected = "xirek-hasol-fumik-lanax"
+    assert_equal Digest.bubblebabble('message'), expected
+  end
+
+  def test_bubblebabble_class
     expected = "xopoh-fedac-fenyh-nehon-mopel-nivor-lumiz-rypon-gyfot-cosyz-rimez-lolyv-pekyz-rosud-ricob-surac-toxox"
     assert_equal Digest::SHA256.bubblebabble('message'), expected
   end
 
+  def test_bubblebabble_instance
+    expected = "xumor-boceg-dakuz-sulic-gukoz-rutas-mekek-zovud-gunap-vabov-genin-rygyg-sanun-hykac-ruvah-dovah-huxex"
+
+    hash = Digest::SHA256.new
+    assert_equal hash.bubblebabble, expected
+  end
+
   class TestMD5 < Test::Unit::TestCase
     include TestDigest
     ALGO = Digest::MD5