1 files changed, 7 insertions, 0 deletions
diff --git a/actionpack/test/dispatch/request_test.rb b/actionpack/test/dispatch/request_test.rb
index 5b3d38c48c..56431b4daf 100644
--- a/actionpack/test/dispatch/request_test.rb
+++ b/actionpack/test/dispatch/request_test.rb
@@ -530,6 +530,13 @@ class RequestTest < ActiveSupport::TestCase
     assert_equal Mime::XML, request.negotiate_mime([Mime::XML, Mime::CSV])
   end
 
+  test "raw_post rewinds rack.input if RAW_POST_DATA is nil" do
+    request = stub_request('rack.input' => StringIO.new("foo"),
+                           'CONTENT_LENGTH' => 3)
+    assert_equal "foo", request.raw_post
+    assert_equal "foo", request.env['rack.input'].read
+  end
+
   test "process parameter filter" do
     test_hashes = [
     [{'foo'=>'bar'},{'foo'=>'bar'},%w'food'],