From d6547fc6471d9084f942bdc4ae3aedb39361751d Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Thu, 3 Mar 2016 19:35:02 +0100
Subject: patch 7.4.1483 Problem:    A one-time callback is not used for a raw
 channel. Solution:   Use a one-time callback when it exists.

---
 src/testdir/test_channel.py  |  3 +++
 src/testdir/test_channel.vim | 59 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+)

(limited to 'src/testdir')

diff --git a/src/testdir/test_channel.py b/src/testdir/test_channel.py
index 9a3c9213a..02e6ba3ec 100644
--- a/src/testdir/test_channel.py
+++ b/src/testdir/test_channel.py
@@ -62,6 +62,9 @@ class ThreadedTCPRequestHandler(socketserver.BaseRequestHandler):
                     if decoded[1] == 'hello!':
                         # simply send back a string
                         response = "got it"
+                    elif decoded[1].startswith("echo "):
+                        # send back the argument
+                        response = decoded[1][5:]
                     elif decoded[1] == 'make change':
                         # Send two ex commands at the same time, before
                         # replying to the request.
diff --git a/src/testdir/test_channel.vim b/src/testdir/test_channel.vim
index 2b46566b7..bc43b446e 100644
--- a/src/testdir/test_channel.vim
+++ b/src/testdir/test_channel.vim
@@ -257,6 +257,8 @@ func Test_server_crash()
   call s:run_server('s:server_crash')
 endfunc
 
+"""""""""
+
 let s:reply = ""
 func s:Handler(chan, msg)
   unlet s:reply
@@ -290,6 +292,61 @@ func Test_channel_handler()
   unlet s:chopt.callback
 endfunc
 
+"""""""""
+
+let s:reply1 = ""
+func s:HandleRaw1(chan, msg)
+  unlet s:reply1
+  let s:reply1 = a:msg
+endfunc
+
+let s:reply2 = ""
+func s:HandleRaw2(chan, msg)
+  unlet s:reply2
+  let s:reply2 = a:msg
+endfunc
+
+let s:reply3 = ""
+func s:HandleRaw3(chan, msg)
+  unlet s:reply3
+  let s:reply3 = a:msg
+endfunc
+
+func s:raw_one_time_callback(port)
+  let handle = ch_open('localhost:' . a:port, s:chopt)
+  if ch_status(handle) == "fail"
+    call assert_false(1, "Can't open channel")
+    return
+  endif
+  call ch_setoptions(handle, {'mode': 'raw'})
+
+  " The message are sent raw, we do our own JSON strings here.
+  call ch_sendraw(handle, "[1, \"hello!\"]", {'callback': 's:HandleRaw1'})
+  sleep 10m
+  call assert_equal("[1, \"got it\"]", s:reply1)
+  call ch_sendraw(handle, "[2, \"echo something\"]", {'callback': 's:HandleRaw2'})
+  call ch_sendraw(handle, "[3, \"wait a bit\"]", {'callback': 's:HandleRaw3'})
+  sleep 10m
+  call assert_equal("[2, \"something\"]", s:reply2)
+  " wait for up to 500 msec for the 200 msec delayed reply
+  for i in range(50)
+    sleep 10m
+    if s:reply3 != ''
+      break
+    endif
+  endfor
+  call assert_equal("[3, \"waited\"]", s:reply3)
+endfunc
+
+func Test_raw_one_time_callback()
+  call ch_logfile('channellog', 'w')
+  call ch_log('Test_raw_one_time_callback()')
+  call s:run_server('s:raw_one_time_callback')
+  call ch_logfile('')
+endfunc
+
+"""""""""
+
 " Test that trying to connect to a non-existing port fails quickly.
 func Test_connect_waittime()
   call ch_log('Test_connect_waittime()')
@@ -325,6 +382,8 @@ func Test_connect_waittime()
   endtry
 endfunc
 
+"""""""""
+
 func Test_raw_pipe()
   if !has('job')
     return
-- 
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