shugo	2009-07-24 18:09:04 +0900 (Fri, 24 Jul 2009)

  New Revision: 24263

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=24263

  Log:
    * lib/net/imap.rb (idle): leaves IDLE in a ensure clause.  a patch
      from Eric Hodel.
    * test/net/imap/test_imap.rb (setup, teardown): turn on
      Socket.do_not_reverse_lookup in tests.

  Modified files:
    trunk/ChangeLog
    trunk/lib/net/imap.rb
    trunk/test/net/imap/test_imap.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 24262)
+++ ChangeLog	(revision 24263)
@@ -1,3 +1,11 @@
+Fri Jul 24 18:03:01 2009  Shugo Maeda  <shugo@r...>
+
+	* lib/net/imap.rb (idle): leaves IDLE in a ensure clause.  a patch
+	  from Eric Hodel.
+
+	* test/net/imap/test_imap.rb (setup, teardown): turn on
+	  Socket.do_not_reverse_lookup in tests.
+
 Fri Jul 24 00:13:41 2009  Shugo Maeda  <shugo@r...>
 
 	* lib/net/imap.rb (resp_text_code): accepts response codes without
Index: lib/net/imap.rb
===================================================================
--- lib/net/imap.rb	(revision 24262)
+++ lib/net/imap.rb	(revision 24263)
@@ -851,13 +851,16 @@
         tag = Thread.current[:net_imap_tag] = generate_tag
         put_string("#{tag} IDLE#{CRLF}")
 
-        add_response_handler(response_handler)
-        @idle_done_cond = new_cond
-        @idle_done_cond.wait
-        @idle_done_cond = nil
-        remove_response_handler(response_handler)
-        put_string("DONE#{CRLF}")
-        response = get_tagged_response(tag, "IDLE")
+        begin
+          add_response_handler(response_handler)
+          @idle_done_cond = new_cond
+          @idle_done_cond.wait
+          @idle_done_cond = nil
+        ensure
+          remove_response_handler(response_handler)
+          put_string("DONE#{CRLF}")
+          response = get_tagged_response(tag, "IDLE")
+        end
       end
 
       return response
@@ -865,10 +868,10 @@
 
     # Leaves IDLE.
     def idle_done
-      if @idle_done_cond.nil?
-        raise Net::IMAP::Error, "not during IDLE"
-      end
       synchronize do
+        if @idle_done_cond.nil?
+          raise Net::IMAP::Error, "not during IDLE"
+        end
         @idle_done_cond.signal
       end
     end
@@ -985,6 +988,7 @@
       @response_handlers = []
       @tagged_response_arrival = new_cond
       @continuation_request_arrival = new_cond
+      @idle_done_cond = nil
       @logout_command_tag = nil
       @debug_output_bol = true
       @exception = nil
Index: test/net/imap/test_imap.rb
===================================================================
--- test/net/imap/test_imap.rb	(revision 24262)
+++ test/net/imap/test_imap.rb	(revision 24263)
@@ -6,6 +6,15 @@
   SERVER_KEY = File.expand_path("server.key", File.dirname(__FILE__))
   SERVER_CERT = File.expand_path("server.crt", File.dirname(__FILE__))
 
+  def setup
+    @do_not_reverse_lookup = Socket.do_not_reverse_lookup
+    Socket.do_not_reverse_lookup = true
+  end
+
+  def teardown
+    Socket.do_not_reverse_lookup = @do_not_reverse_lookup
+  end
+
   def test_encode_utf7
     utf8 = "\357\274\241\357\274\242\357\274\243".force_encoding("UTF-8")
     s = Net::IMAP.encode_utf7(utf8)
@@ -176,6 +185,91 @@
     end
   end
 
+  def test_exception_during_idle
+    server = TCPServer.new(0)
+    port = server.addr[1]
+    requests = []
+    Thread.start do
+      begin
+        sock = server.accept
+        begin
+          sock.print("* OK test server\r\n")
+          requests.push(sock.gets)
+          sock.print("+ idling\r\n")
+          sock.print("* 3 EXISTS\r\n")
+          sock.print("* 2 EXPUNGE\r\n")
+          requests.push(sock.gets)
+          sock.print("RUBY0001 OK IDLE terminated\r\n")
+          sock.gets
+          sock.print("* BYE terminating connection\r\n")
+          sock.print("RUBY0002 OK LOGOUT completed\r\n")
+        ensure
+          sock.close
+        end
+      rescue
+      end
+    end
+    begin
+      begin
+        imap = Net::IMAP.new("localhost", :port => port)
+        begin
+          th = Thread.current
+          m = Monitor.new
+          c = m.new_cond
+          Thread.start do
+            m.synchronize do
+              c.wait
+            end
+            th.raise(Interrupt)
+          end
+          imap.idle do |res|
+            m.synchronize do
+              c.signal
+            end
+          end
+        rescue Interrupt
+        end
+        assert_equal(2, requests.length)
+        assert_equal("RUBY0001 IDLE\r\n", requests[0])
+        assert_equal("DONE\r\n", requests[1])
+        imap.logout
+      ensure
+        imap.disconnect if imap
+      end
+    ensure
+      server.close
+    end
+  end
+
+  def test_idle_done_not_during_idle
+    server = TCPServer.new(0)
+    port = server.addr[1]
+    requests = []
+    Thread.start do
+      begin
+        sock = server.accept
+        begin
+          sock.print("* OK test server\r\n")
+        ensure
+          sock.close
+        end
+      rescue
+      end
+    end
+    begin
+      begin
+        imap = Net::IMAP.new("localhost", :port => port)
+        assert_raise(Net::IMAP::Error) do
+          imap.idle_done
+        end
+      ensure
+        imap.disconnect if imap
+      end
+    ensure
+      server.close
+    end
+  end
+
   private
 
   def imaps_test

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