1 files changed, 38 insertions, 0 deletions
diff --git a/spec/ruby/library/socket/basicsocket/for_fd_spec.rb b/spec/ruby/library/socket/basicsocket/for_fd_spec.rb
new file mode 100644
index 0000000000..8d5b71cfa9
--- /dev/null
+++ b/spec/ruby/library/socket/basicsocket/for_fd_spec.rb
@@ -0,0 +1,38 @@
+require_relative '../spec_helper'
+require_relative '../fixtures/classes'
+
+describe "BasicSocket.for_fd" do
+  before :each do
+    @server = TCPServer.new(0)
+    @s2 = nil
+  end
+
+  after :each do
+    @socket1.close if @socket1
+    @server.close if @server
+  end
+
+  it "return a Socket instance wrapped around the descriptor" do
+    @s2 = TCPServer.for_fd(@server.fileno)
+    @s2.autoclose = false
+    @s2.should.is_a?(TCPServer)
+    @s2.fileno.should == @server.fileno
+  end
+
+  it 'returns a new socket for a file descriptor' do
+    @socket1 = Socket.new(:INET, :DGRAM)
+    socket2 = Socket.for_fd(@socket1.fileno)
+    socket2.autoclose = false
+
+    socket2.should.instance_of?(Socket)
+    socket2.fileno.should == @socket1.fileno
+  end
+
+  it 'sets the socket into binary mode' do
+    @socket1 = Socket.new(:INET, :DGRAM)
+    socket2 = Socket.for_fd(@socket1.fileno)
+    socket2.autoclose = false
+
+    socket2.binmode?.should == true
+  end
+end