1 files changed, 10 insertions, 2 deletions
diff --git a/spec/ruby/library/socket/unixserver/new_spec.rb b/spec/ruby/library/socket/unixserver/new_spec.rb
index f831f40bc6..a160e3ce5c 100644
--- a/spec/ruby/library/socket/unixserver/new_spec.rb
+++ b/spec/ruby/library/socket/unixserver/new_spec.rb
@@ -1,6 +1,14 @@
 require_relative '../spec_helper'
 require_relative 'shared/new'
 
-describe "UNIXServer.new" do
-  it_behaves_like :unixserver_new, :new
+with_feature :unix_socket do
+  describe "UNIXServer.new" do
+    it_behaves_like :unixserver_new, :new
+
+    it "does not use the given block and warns to use UNIXServer::open" do
+      -> {
+        @server = UNIXServer.new(@path) { raise }
+      }.should complain(/warning: UNIXServer::new\(\) does not take block; use UNIXServer::open\(\) instead/)
+    end
+  end
 end