1 files changed, 31 insertions, 1 deletions
diff --git a/spec/ruby/shared/file/socket.rb b/spec/ruby/shared/file/socket.rb
index 55a1cfd284..ef6c482d1c 100644
--- a/spec/ruby/shared/file/socket.rb
+++ b/spec/ruby/shared/file/socket.rb
@@ -1,3 +1,33 @@
 describe :file_socket, shared: true do
-  it "accepts an object that has a #to_path method"
+  it "returns false if the file is not a socket" do
+    filename = tmp("i_exist")
+    touch(filename)
+
+    @object.send(@method, filename).should == false
+
+    rm_r filename
+  end
+
+  it "returns true if the file is a socket" do
+    require 'socket'
+
+    # We need a really short name here.
+    # On Linux the path length is limited to 107, see unix(7).
+    name = tmp("s")
+    server = UNIXServer.new(name)
+
+    @object.send(@method, name).should == true
+
+    server.close
+    rm_r name
+  end
+
+  it "accepts an object that has a #to_path method" do
+    obj = Object.new
+    def obj.to_path
+      __FILE__
+    end
+
+    @object.send(@method, obj).should == false
+  end
 end