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/tcpsocket/recv_nonblock_spec.rb

@@ -0,0 +1,36 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe "TCPSocket#recv_nonblock" do
+  before :each do
+    @server = SocketSpecs::SpecTCPServer.new
+    @hostname = @server.hostname
+  end
+
+  after :each do
+    if @socket
+      @socket.write "QUIT"
+      @socket.close
+    end
+    @server.shutdown
+  end
+
+  it "returns a String read from the socket" do
+    @socket = TCPSocket.new @hostname, @server.port
+    @socket.write "TCPSocket#recv_nonblock"
+
+    # Wait for the server to echo. This spec is testing the return
+    # value, not the non-blocking behavior.
+    #
+    # TODO: Figure out a good way to test non-blocking.
+    IO.select([@socket])
+    @socket.recv_nonblock(50).should == "TCPSocket#recv_nonblock"
+  end
+
+  ruby_version_is '2.3' do
+    it 'returns :wait_readable in exceptionless mode' do
+      @socket = TCPSocket.new @hostname, @server.port
+      @socket.recv_nonblock(50, exception: false).should == :wait_readable
+    end
+  end
+end