1 files changed, 24 insertions, 1 deletions
diff --git a/spec/ruby/library/socket/unixsocket/send_io_spec.rb b/spec/ruby/library/socket/unixsocket/send_io_spec.rb
index fbc99be38d..a2a7d26539 100644
--- a/spec/ruby/library/socket/unixsocket/send_io_spec.rb
+++ b/spec/ruby/library/socket/unixsocket/send_io_spec.rb
@@ -1,4 +1,4 @@
-require_relative '../../../spec_helper'
+require_relative '../spec_helper'
 require_relative '../fixtures/classes'
 
 describe "UNIXSocket#send_io" do
@@ -33,3 +33,26 @@ describe "UNIXSocket#send_io" do
     end
   end
 end
+
+with_feature :unix_socket do
+  describe 'UNIXSocket#send_io' do
+    before do
+      @file = File.open('/dev/null', 'w')
+      @client, @server = UNIXSocket.socketpair
+    end
+
+    after do
+      @client.close
+      @server.close
+      @io.close if @io
+      @file.close
+    end
+
+    it 'sends an IO object' do
+      @client.send_io(@file)
+
+      @io = @server.recv_io
+      @io.should be_an_instance_of(IO)
+    end
+  end
+end