faster_path 0.0.2

Alternative to Pathname
Documentation 
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require File.expand_path('../../../../spec_helper', __FILE__)
require File.expand_path('../../fixtures/classes', __FILE__)

describe "BasicSocket#setsockopt" do

  before :each do
    @sock = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
  end

  after :each do
    @sock.close unless @sock.closed?
  end

  it "sets the socket linger to 0" do
    linger = [0, 0].pack("ii")
    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_LINGER, linger).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_LINGER).to_s

    if (n.size == 8) # linger struct on some platforms, not just a value
      n.should == [0, 0].pack("ii")
    else
      n.should == [0].pack("i")
    end
  end

  it "sets the socket linger to some positive value" do
    linger = [64, 64].pack("ii")
    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_LINGER, linger).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_LINGER).to_s
    if (n.size == 8) # linger struct on some platforms, not just a value
      a = n.unpack('ii')
      a[0].should_not == 0
      a[1].should == 64
    else
      n.should == [64].pack("i")
    end
  end

  it "sets the socket option Socket::SO_OOBINLINE" do
    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, true).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE).to_s
    n.should_not == [0].pack("i")

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, false).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE).to_s
    n.should == [0].pack("i")

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, 1).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE).to_s
    n.should_not == [0].pack("i")

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, 0).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE).to_s
    n.should == [0].pack("i")

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, 2).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE).to_s
    n.should_not == [0].pack("i")

    platform_is_not os: :windows do
      lambda {
        @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, "")
      }.should raise_error(SystemCallError)
    end

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, "blah").should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE).to_s
    n.should_not == [0].pack("i")

    platform_is_not os: :windows do
      lambda {
        @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, "0")
      }.should raise_error(SystemCallError)
    end

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, "\x00\x00\x00\x00").should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE).to_s
    n.should == [0].pack("i")

    platform_is_not os: :windows do
      lambda {
        @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, "1")
      }.should raise_error(SystemCallError)
    end

    platform_is_not os: :windows do
      lambda {
        @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, "\x00\x00\x00")
      }.should raise_error(SystemCallError)
    end

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, [1].pack('i')).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE).to_s
    n.should_not == [0].pack("i")

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, [0].pack('i')).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE).to_s
    n.should == [0].pack("i")

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE, [1000].pack('i')).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_OOBINLINE).to_s
    n.should_not == [0].pack("i")
  end

  it "sets the socket option Socket::SO_SNDBUF" do
    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF, 4000).should == 0
    sndbuf = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF).to_s
    # might not always be possible to set to exact size
    sndbuf.unpack('i')[0].should >= 4000

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF, true).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF).to_s
    n.unpack('i')[0].should >= 1

    lambda {
      @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF, nil).should == 0
    }.should raise_error(TypeError)

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF, 1).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF).to_s
    n.unpack('i')[0].should >= 1

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF, 2).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF).to_s
    n.unpack('i')[0].should >= 2

    lambda {
      @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF, "")
    }.should raise_error(SystemCallError)

    lambda {
      @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF, "bla")
    }.should raise_error(SystemCallError)

    lambda {
      @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF, "0")
    }.should raise_error(SystemCallError)

    lambda {
      @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF, "1")
    }.should raise_error(SystemCallError)

    lambda {
      @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF, "\x00\x00\x00")
    }.should raise_error(SystemCallError)

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF, "\x00\x00\x01\x00").should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF).to_s
    n.unpack('i')[0].should >= "\x00\x00\x01\x00".unpack('i')[0]

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF, [4000].pack('i')).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF).to_s
    n.unpack('i')[0].should >= 4000

    @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF, [1000].pack('i')).should == 0
    n = @sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_SNDBUF).to_s
    n.unpack('i')[0].should >= 1000
  end
end