* lib/webrick/server.rb: Fix regression bug in WEBrick's

:DoNotReverseLookup config option implementation.
  [fix GH-731] Patch by @vais
* test/webrick/test_do_not_reverse_lookup.rb: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49980 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,10 @@
+Mon Mar 16 17:43:21 2015  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* lib/webrick/server.rb: Fix regression bug in WEBrick's
+	  :DoNotReverseLookup config option implementation.
+	  [fix GH-731] Patch by @vais
+	* test/webrick/test_do_not_reverse_lookup.rb: ditto.
+
 Sat Mar 14 20:05:23 2015  Kazuki Tanaka  <gogotanaka@ruby-lang.org>
 
 	* math.c (math_gamma): optimization for passed small integer.

lib/webrick/server.rb

@@ -179,7 +179,9 @@ module WEBrick
                 svrs[0].each{|svr|
                   @tokens.pop          # blocks while no token is there.
                   if sock = accept_client(svr)
-                    sock.do_not_reverse_lookup = config[:DoNotReverseLookup]
+                    unless config[:DoNotReverseLookup].nil?
+                      sock.do_not_reverse_lookup = !!config[:DoNotReverseLookup]
+                    end
                     th = start_thread(sock, &block)
                     th[:WEBrickThread] = true
                     thgroup.add(th)

test/webrick/test_do_not_reverse_lookup.rb

@@ -0,0 +1,70 @@
+require "test/unit"
+require "webrick"
+require_relative "utils"
+
+class TestDoNotReverseLookup < Test::Unit::TestCase
+  class DNRL < WEBrick::GenericServer
+    def run(sock)
+      sock << sock.do_not_reverse_lookup.to_s
+    end
+  end
+
+  @@original_do_not_reverse_lookup_value = Socket.do_not_reverse_lookup
+
+  def teardown
+    Socket.do_not_reverse_lookup = @@original_do_not_reverse_lookup_value
+  end
+
+  def do_not_reverse_lookup?(config)
+    result = nil
+    TestWEBrick.start_server(DNRL, config) do |server, addr, port, log|
+      TCPSocket.open(addr, port) do |sock|
+        result = {'true' => true, 'false' => false}[sock.gets]
+      end
+    end
+    result
+  end
+
+  # +--------------------------------------------------------------------------+
+  # |        Expected interaction between Socket.do_not_reverse_lookup         |
+  # |            and WEBrick::Config::General[:DoNotReverseLookup]             |
+  # +----------------------------+---------------------------------------------+
+  # |                            |WEBrick::Config::General[:DoNotReverseLookup]|
+  # +----------------------------+--------------+---------------+--------------+
+  # |Socket.do_not_reverse_lookup|     TRUE     |     FALSE     |     NIL      |
+  # +----------------------------+--------------+---------------+--------------+
+  # |            TRUE            |     true     |     false     |     true     |
+  # +----------------------------+--------------+---------------+--------------+
+  # |            FALSE           |     true     |     false     |     false    |
+  # +----------------------------+--------------+---------------+--------------+
+
+  def test_socket_dnrl_true_server_dnrl_true
+    Socket.do_not_reverse_lookup = true
+    assert_equal(true, do_not_reverse_lookup?(:DoNotReverseLookup => true))
+  end
+
+  def test_socket_dnrl_true_server_dnrl_false
+    Socket.do_not_reverse_lookup = true
+    assert_equal(false, do_not_reverse_lookup?(:DoNotReverseLookup => false))
+  end
+
+  def test_socket_dnrl_true_server_dnrl_nil
+    Socket.do_not_reverse_lookup = true
+    assert_equal(true, do_not_reverse_lookup?(:DoNotReverseLookup => nil))
+  end
+
+  def test_socket_dnrl_false_server_dnrl_true
+    Socket.do_not_reverse_lookup = false
+    assert_equal(true, do_not_reverse_lookup?(:DoNotReverseLookup => true))
+  end
+
+  def test_socket_dnrl_false_server_dnrl_false
+    Socket.do_not_reverse_lookup = false
+    assert_equal(false, do_not_reverse_lookup?(:DoNotReverseLookup => false))
+  end
+
+  def test_socket_dnrl_false_server_dnrl_nil
+    Socket.do_not_reverse_lookup = false
+    assert_equal(false, do_not_reverse_lookup?(:DoNotReverseLookup => nil))
+  end
+end