* ext/zlib/zlib.c (rb_inflate_add_dictionary): Added

  Zlib::Inflate#add_dictionary to allow users to pre-specify
  for using during #inflate.  [ruby-trunk - Feature #5937]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34553 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 17 insertions, 0 deletions

diff --git a/test/zlib/test_zlib.rb b/test/zlib/test_zlib.rb
index da4f74c475..b526d24df9 100644
--- a/test/zlib/test_zlib.rb
+++ b/test/zlib/test_zlib.rb
@@ -185,6 +185,23 @@ if defined? Zlib
       assert_equal("foo", z.finish)
     end
 
+    def test_add_dictionary
+      dictionary = "foo"
+
+      deflate = Zlib::Deflate.new
+      deflate.set_dictionary dictionary
+      compressed = deflate.deflate "foofoofoo", Zlib::FINISH
+      deflate.close
+
+      out = nil
+      inflate = Zlib::Inflate.new
+      inflate.add_dictionary "foo"
+
+      out = inflate.inflate compressed
+
+      assert_equal "foofoofoo", out
+    end
+
     def test_inflate
       s = Zlib::Deflate.deflate("foo")
       z = Zlib::Inflate.new