From cea73b2df9e8f8516e53a896944c05795fc35e4d Mon Sep 17 00:00:00 2001
From: shugo <shugo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 11 May 2017 07:56:52 +0000
Subject: net/imap: Net::IMAP#disconnect need not do anything if already
 disconnected

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58663 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/net/imap/test_imap.rb | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'test/net/imap/test_imap.rb')

diff --git a/test/net/imap/test_imap.rb b/test/net/imap/test_imap.rb
index 35e5ed8982..3224da65a1 100644
--- a/test/net/imap/test_imap.rb
+++ b/test/net/imap/test_imap.rb
@@ -526,6 +526,33 @@ class IMAPTest < Test::Unit::TestCase
     end
   end
 
+  def test_disconnect
+    server = create_tcp_server
+    port = server.addr[1]
+    @threads << Thread.start do
+      sock = server.accept
+      begin
+        sock.print("* OK test server\r\n")
+        sock.gets
+        sock.print("* BYE terminating connection\r\n")
+        sock.print("RUBY0001 OK LOGOUT completed\r\n")
+      ensure
+        sock.close
+        server.close
+      end
+    end
+    begin
+      imap = Net::IMAP.new(SERVER_ADDR, :port => port)
+      imap.logout
+      imap.disconnect
+      assert_equal(true, imap.disconnected?)
+      imap.disconnect
+      assert_equal(true, imap.disconnected?)
+    ensure
+      imap.disconnect if imap && !imap.disconnected?
+    end
+  end
+
   private
 
   def imaps_test
-- 
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