faster_path 0.0.2

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describe :socket_recv_nonblock, shared: true do
  not_supported_on :jruby do
    before :each do
      @s1 = Socket.new(Socket::AF_INET, Socket::SOCK_DGRAM, 0)
      @s2 = Socket.new(Socket::AF_INET, Socket::SOCK_DGRAM, 0)
    end

    after :each do
      @s1.close unless @s1.closed?
      @s2.close unless @s2.closed?
    end

    it "raises an exception extending IO::WaitReadable if there's no data available" do
      @s1.bind(Socket.pack_sockaddr_in(SocketSpecs.port, "127.0.0.1"))
      lambda {
        @s1.recv_nonblock(5)
      }.should raise_error(IO::WaitReadable) { |e|
        platform_is_not :windows do
          e.should be_kind_of(Errno::EAGAIN)
        end
        platform_is :windows do
          e.should be_kind_of(Errno::EWOULDBLOCK)
        end
      }
    end

    it "receives data after it's ready" do
      @s1.bind(Socket.pack_sockaddr_in(SocketSpecs.port, "127.0.0.1"))
      @s2.send("aaa", 0, @s1.getsockname)
      IO.select([@s1], nil, nil, 2)
      @s1.recv_nonblock(5).should == "aaa"
    end

    it "does not block if there's no data available" do
      @s1.bind(Socket.pack_sockaddr_in(SocketSpecs.port, "127.0.0.1"))
      @s2.send("a", 0, @s1.getsockname)
      IO.select([@s1], nil, nil, 2)
      @s1.recv_nonblock(1).should == "a"
      lambda {
        @s1.recv_nonblock(5)
      }.should raise_error(IO::WaitReadable)
    end
  end
end