rb: Add optional timeout argument to Thrift::Socket [THRIFT-74]

Socket.new and UNIXSocket.new both now have a new optional argument: timeout.
There's also a timeout field accessor. This timeout is used when reading or
writing.

Author: Kevin Ballard <kevin@rapleaf.com>


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@678053 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/rb/spec/socket_spec.rb b/lib/rb/spec/socket_spec.rb
index 3fede96..c5866ee 100644
--- a/lib/rb/spec/socket_spec.rb
+++ b/lib/rb/spec/socket_spec.rb
@@ -28,6 +28,11 @@
       TCPSocket.should_receive(:new).with('my.domain', 1234)
       Socket.new('my.domain', 1234).open
     end
+
+    it "should accept an optional timeout" do
+      TCPSocket.stub!(:new)
+      Socket.new('localhost', 8080, 5).timeout.should == 5
+    end
   end
 
   describe ServerSocket do