1 files changed, 6 insertions, 1 deletions
diff --git a/test/digest/test_digest.rb b/test/digest/test_digest.rb
index 090b1eacf0..36a8635926 100755
--- a/test/digest/test_digest.rb
+++ b/test/digest/test_digest.rb
@@ -7,7 +7,7 @@ require 'test/unit'
 require 'tempfile'
 
 require 'digest'
-%w[digest/md5 digest/rmd160 digest/sha1 digest/sha2].each do |lib|
+%w[digest/md5 digest/rmd160 digest/sha1 digest/sha2 digest/bubblebabble].each do |lib|
   begin
     require lib
   rescue LoadError
@@ -104,6 +104,11 @@ module TestDigest
     }
   end
 
+  def test_bubblebabble
+    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
+
   class TestMD5 < Test::Unit::TestCase
     include TestDigest
     ALGO = Digest::MD5