Sets Content-Length to body string bytesize

Sets the Conten-Length to the bytesize of the joined body to cover UTF-8

2 files changed, 9 insertions, 1 deletions

diff --git a/lib/zero/response.rb b/lib/zero/response.rb
index 2886a0d..b8aeff0 100644
--- a/lib/zero/response.rb
+++ b/lib/zero/response.rb
@@ -42,7 +42,7 @@ module Zero
     # Also creates one, if it does not exists
     #
     def content_length
-      header['Content-Length'] = body.join.length
+      header['Content-Length'] = body.join.bytesize
     end
 
   end
diff --git a/spec/unit/response/response_spec.rb b/spec/unit/response/response_spec.rb
index 21d6e31..e58b0d0 100644
--- a/spec/unit/response/response_spec.rb
+++ b/spec/unit/response/response_spec.rb
@@ -1,3 +1,4 @@
+# encoding: UTF-8
 require 'spec_helper'
 
 describe Zero::Response do
@@ -60,6 +61,13 @@ describe Zero::Response do
 
       subject.header['Content-Length'].should eq(6)
     end
+
+     it "sets the content_length to the bytesize of the message body" do
+      subject.body = ['föö', 'bär']
+      subject.content_length
+
+      subject.header['Content-Length'].should eq(9)
+    end
   end
 
 end
\ No newline at end of file