irc: send all channels in a single JOIN command when reconnecting to the server (closes #1551)

ChangeLog.adoc

@@ -27,6 +27,7 @@ New features::
 Bug fixes::
 
   * core: do not add line with highlight and tag "notify_none" to hotlist (issue #1529)
+  * irc: send all channels in a single JOIN command when reconnecting to the server (issue #1551)
   * trigger: fix recursive calls to triggers using regex (issue #1546)
   * trigger: add `${tg_tags} !!- ,notify_none,` in conditions of default trigger "beep" (issue #1529)
 

doc/en/weechat_dev.en.adoc

@@ -419,6 +419,7 @@ WeeChat "core" is located in following directories:
 |             test-irc-mode.cpp     | Tests: IRC modes.
 |             test-irc-nick.cpp     | Tests: IRC nicks.
 |             test-irc-protocol.cpp | Tests: IRC protocol.
+|             test-irc-server.cpp   | Tests: IRC server.
 |          relay/                   | Root of unit tests for Relay plugin.
 |             test-relay-auth.cpp   | Tests: clients authentication.
 

doc/fr/weechat_dev.fr.adoc

@@ -421,6 +421,7 @@ Le cœur de WeeChat est situé dans les répertoires suivants :
 |             test-irc-mode.cpp     | Tests : modes IRC.
 |             test-irc-nick.cpp     | Tests : pseudos IRC.
 |             test-irc-protocol.cpp | Tests : protocole IRC.
+|             test-irc-server.cpp   | Tests : serveur IRC.
 |          relay/                   | Racine des tests unitaires pour l'extension Relay.
 |             test-relay-auth.cpp   | Tests : authentification des clients.
 |===

doc/ja/weechat_dev.ja.adoc

@@ -439,6 +439,8 @@ WeeChat "core" は以下のディレクトリに配置されています:
 |             test-irc-nick.cpp     | Tests: IRC nicks.
 |             test-irc-protocol.cpp | テスト: IRC プロトコル
 // TRANSLATION MISSING
+|             test-irc-server.cpp   | Tests: IRC server.
+// TRANSLATION MISSING
 |          relay/                   | Root of unit tests for Relay plugin.
 // TRANSLATION MISSING
 |             test-relay-auth.cpp   | Tests: clients authentication.

tests/CMakeLists.txt

@@ -58,6 +58,7 @@ if(ENABLE_IRC)
     unit/plugins/irc/test-irc-mode.cpp
     unit/plugins/irc/test-irc-nick.cpp
     unit/plugins/irc/test-irc-protocol.cpp
+    unit/plugins/irc/test-irc-server.cpp
   )
 endif()
 

tests/Makefile.am

@@ -72,7 +72,8 @@ tests_irc = unit/plugins/irc/test-irc-channel.cpp \
             unit/plugins/irc/test-irc-message.cpp \
             unit/plugins/irc/test-irc-mode.cpp \
             unit/plugins/irc/test-irc-nick.cpp \
-            unit/plugins/irc/test-irc-protocol.cpp
+            unit/plugins/irc/test-irc-protocol.cpp \
+            unit/plugins/irc/test-irc-server.cpp
 endif
 
 if PLUGIN_RELAY