lib/net/imap.rb: Ignore trailing space for Microsoft Exchange Server

Based on the patch by keysen (Jérémy Carlier).
[ruby-core:81641] [Bug #13649]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59372 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/net/imap.rb

@@ -2232,6 +2232,10 @@ module Net
         else
           result = response_tagged
         end
+        while lookahead.symbol == T_SPACE
+          # Ignore trailing space for Microsoft Exchange Server
+          shift_token
+        end
         match(T_CRLF)
         match(T_EOF)
         return result

test/net/imap/test_imap_response_parser.rb

@@ -291,4 +291,17 @@ EOF
     assert_equal("test.xml", body.parts[1].disposition.param["FILENAME"])
     assert_equal(nil, body.parts[1].language)
   end
+
+  # [Bug #13649]
+  def test_status
+    parser = Net::IMAP::ResponseParser.new
+    response = parser.parse("* STATUS INBOX (UIDNEXT 1 UIDVALIDITY 1234)\r\n")
+    assert_equal("STATUS", response.name)
+    assert_equal("INBOX", response.data.mailbox)
+    assert_equal(1234, response.data.attr["UIDVALIDITY"])
+    response = parser.parse("* STATUS INBOX (UIDNEXT 1 UIDVALIDITY 1234) \r\n")
+    assert_equal("STATUS", response.name)
+    assert_equal("INBOX", response.data.mailbox)
+    assert_equal(1234, response.data.attr["UIDVALIDITY"])
+  end
 end