Test socket

README.md

@@ -113,6 +113,7 @@ Other
 - [net-telnet](#net-telnet)
 - [omniauth-oauth2](#omniauth-oauth2)
 - [reversed](#reversed)
+- [socket](#socket)
 
 ## Statement Timeouts
 
@@ -1088,6 +1089,16 @@ Reversed.lookup("8.8.8.8", timeout: 1)
 
 Returns `nil` on timeouts
 
+### socket
+
+```ruby
+Socket.tcp(host, 80, connect_timeout: 1) do |sock|
+  # ...
+end
+```
+
+Raises `Errno::ETIMEDOUT`
+
 ## Don’t see a library you use?
 
 [Let us know](https://github.com/ankane/ruby-timeouts/issues/new). Even better, [create a pull request](https://github.com/ankane/ruby-timeouts/pulls) for it.

test/socket_test.rb

@@ -0,0 +1,13 @@
+require_relative "test_helper"
+
+class SocketTest < Minitest::Test
+  def test_connect
+    assert_timeout(Errno::ETIMEDOUT) do
+      Socket.tcp(connect_host, 80, connect_timeout: 1) do |sock|
+        sock.print "GET / HTTP/1.0\r\nHost: www.ruby-lang.org\r\n\r\n"
+        sock.close_write
+        puts sock.read
+      end
+    end
+  end
+end