* lib/webrick/cgi.rb (WEBrick::CGI::Socket#request_line):

ENV["REQUEST_URI"] is better to get correct Request-URI
  than ENV["SCRIPT_NAME"] + ENV["PATH_INFO"].  [ruby-dev:26235]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8531 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/webrick/test_cgi.rb

@@ -16,6 +16,7 @@ class TestWEBrickCGI < Test::Unit::TestCase
     config = {
       :CGIInterpreter => EnvUtil.rubybin,
       :DocumentRoot => File.dirname(__FILE__),
+      :DirectoryIndex => ["webrick.cgi"],
     }
     TestWEBrick.start_httpserver(config){|server, addr, port|
       http = Net::HTTP.new(addr, port)
@@ -41,6 +42,12 @@ class TestWEBrickCGI < Test::Unit::TestCase
       req["Content-Type"] = "application/x-www-form-urlencoded"
       http.request(req, "a=1&a=2&b=x"){|res|
         assert_equal("a=1, a=2, b=x", res.body)}
+      req = Net::HTTP::Get.new("/")
+      http.request(req){|res|
+        ary = res.body.to_a
+        assert_match(%r{/$}, ary[0])
+        assert_match(%r{/webrick.cgi$}, ary[1])
+      }
     }
   end
 end

test/webrick/webrick.cgi

@@ -12,6 +12,10 @@ class TestApp < WEBrick::CGI
           "#{key}=#{v}"
         }.join(", ")
       }.join(", ")
+    elsif %r{/$} =~ req.request_uri.to_s
+      res.body = ""
+      res.body << req.request_uri.to_s  << "\n"
+      res.body << req.script_name
     else
       res.body = req.script_name
     end