1 files changed, 25 insertions, 5 deletions
diff --git a/spec/ruby/library/socket/unixsocket/send_io_spec.rb b/spec/ruby/library/socket/unixsocket/send_io_spec.rb
index ec8d6b2314..0063fc7d3f 100644
--- a/spec/ruby/library/socket/unixsocket/send_io_spec.rb
+++ b/spec/ruby/library/socket/unixsocket/send_io_spec.rb
@@ -1,9 +1,8 @@
-require File.expand_path('../../../../spec_helper', __FILE__)
-require File.expand_path('../../fixtures/classes', __FILE__)
+require_relative '../spec_helper'
+require_relative '../fixtures/classes'
 
-describe "UNIXSocket#send_io" do
-
-  platform_is_not :windows do
+platform_is_not :windows do
+  describe "UNIXSocket#send_io" do
     before :each do
       @path = SocketSpecs.socket_path
       @server = UNIXServer.open(@path)
@@ -32,4 +31,25 @@ describe "UNIXSocket#send_io" do
       @io.read.should == File.read(@send_io_path)
     end
   end
+
+  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.instance_of?(IO)
+    end
+  end
 end