Move spec/rubyspec to spec/ruby for consistency

* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/library/socket/udpsocket/bind_spec.rb

@@ -0,0 +1,42 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe "UDPSocket.bind" do
+
+  before :each do
+    @socket = UDPSocket.new
+  end
+
+  after :each do
+    @socket.close unless @socket.closed?
+  end
+
+  it "binds the socket to a port" do
+    @socket.bind(SocketSpecs.hostname, 0)
+    @socket.addr[1].should be_kind_of(Integer)
+  end
+
+  it "raises Errno::EINVAL when already bound" do
+    @socket.bind(SocketSpecs.hostname, 0)
+
+    lambda {
+      @socket.bind(SocketSpecs.hostname, @socket.addr[1])
+    }.should raise_error(Errno::EINVAL)
+  end
+
+  it "receives a hostname and a port" do
+    @socket.bind(SocketSpecs.hostname, 0)
+
+    port, host = Socket.unpack_sockaddr_in(@socket.getsockname)
+
+    host.should == "127.0.0.1"
+    port.should == @socket.addr[1]
+  end
+
+  it "binds to INADDR_ANY if the hostname is empty" do
+    @socket.bind("", 0)
+    port, host = Socket.unpack_sockaddr_in(@socket.getsockname)
+    host.should == "0.0.0.0"
+    port.should == @socket.addr[1]
+  end
+end