Use binread because webrick also uses binread

Reported-by: MSP-Greg [Bug #15203]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64924 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/webrick/test_filehandler.rb

@@ -98,7 +98,7 @@ class WEBrick::TestFileHandler < Test::Unit::TestCase
     config = { :DocumentRoot => File.dirname(__FILE__), }
     this_file = File.basename(__FILE__)
     filesize = File.size(__FILE__)
-    this_data = File.open(__FILE__, "rb") {|f| f.read}
+    this_data = File.binread(__FILE__)
     range = nil
     bug2593 = '[ruby-dev:40030]'
 
@@ -114,7 +114,7 @@ class WEBrick::TestFileHandler < Test::Unit::TestCase
       http.request(req){|res|
         assert_equal("200", res.code, log.call)
         assert_equal("text/plain", res.content_type, log.call)
-        assert_equal(File.read(__FILE__), res.body, log.call)
+        assert_equal(this_data, res.body, log.call)
       }
 
       req = Net::HTTP::Get.new("/#{this_file}", "range"=>"bytes=#{filesize-100}-")

test/webrick/test_httprequest.rb

@@ -237,7 +237,7 @@ GET /
 
   def test_chunked
     crlf = "\x0d\x0a"
-    expect = File.read(__FILE__).freeze
+    expect = File.binread(__FILE__).freeze
     msg = <<-_end_of_message_
       POST /path HTTP/1.1
       Host: test.ruby-lang.org:8080