From e09a85680540029df22001073f73b77eec67773d Mon Sep 17 00:00:00 2001
From: Cameron Bytheway <bytheway.cameron@gmail.com>
Date: Fri, 24 Jun 2016 19:34:11 -0600
Subject: send resp_headers with websocket responses

---
 test/ws_SUITE.erl | 36 +++++++++++++++++++++++++++++++++---
 1 file changed, 33 insertions(+), 3 deletions(-)

(limited to 'test/ws_SUITE.erl')

diff --git a/test/ws_SUITE.erl b/test/ws_SUITE.erl
index 4eaf456..f15c9fe 100644
--- a/test/ws_SUITE.erl
+++ b/test/ws_SUITE.erl
@@ -79,7 +79,8 @@ init_dispatch() ->
 					{text, <<"won't be received">>}]}
 			]},
 			{"/ws_timeout_hibernate", ws_timeout_hibernate, []},
-			{"/ws_timeout_cancel", ws_timeout_cancel, []}
+			{"/ws_timeout_cancel", ws_timeout_cancel, []},
+			{"/ws_subprotocol", ws_subprotocol, []}
 		]}
 	]).
 
@@ -603,7 +604,7 @@ ws_timeout_hibernate(Config) ->
 	ok.
 
 ws_timeout_cancel(Config) ->
-	%% Erlang messages to a socket should not cancel the timeout	
+	%% Erlang messages to a socket should not cancel the timeout
 	{port, Port} = lists:keyfind(port, 1, Config),
 	{ok, Socket} = gen_tcp:connect("localhost", Port,
 		[binary, {active, false}, {packet, raw}]),
@@ -630,7 +631,7 @@ ws_timeout_cancel(Config) ->
 	ok.
 
 ws_timeout_reset(Config) ->
-	%% Erlang messages across a socket should reset the timeout	
+	%% Erlang messages across a socket should reset the timeout
 	{port, Port} = lists:keyfind(port, 1, Config),
 	{ok, Socket} = gen_tcp:connect("localhost", Port,
 		[binary, {active, false}, {packet, raw}]),
@@ -663,6 +664,35 @@ ws_timeout_reset(Config) ->
 	{error, closed} = gen_tcp:recv(Socket, 0, 6000),
 	ok.
 
+ws_subprotocol(Config) ->
+	{port, Port} = lists:keyfind(port, 1, Config),
+	{ok, Socket} = gen_tcp:connect("localhost", Port,
+		[binary, {active, false}, {packet, raw}]),
+	ok = gen_tcp:send(Socket, [
+		"GET /ws_subprotocol HTTP/1.1\r\n"
+		"Host: localhost\r\n"
+		"Connection: Upgrade\r\n"
+		"Upgrade: websocket\r\n"
+		"Sec-WebSocket-Origin: http://localhost\r\n"
+		"Sec-WebSocket-Version: 13\r\n"
+		"Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n"
+		"Sec-WebSocket-Protocol: foo, bar\r\n"
+		"\r\n"]),
+	{ok, Handshake} = gen_tcp:recv(Socket, 0, 6000),
+	{ok, {http_response, {1, 1}, 101, "Switching Protocols"}, Rest}
+		= erlang:decode_packet(http, Handshake, []),
+	[Headers, <<>>] = do_decode_headers(
+		erlang:decode_packet(httph, Rest, []), []),
+	{'Connection', "Upgrade"} = lists:keyfind('Connection', 1, Headers),
+	{'Upgrade', "websocket"} = lists:keyfind('Upgrade', 1, Headers),
+	{"sec-websocket-accept", "s3pPLMBiTxaQ9kYGzzhZRbK+xOo="}
+		= lists:keyfind("sec-websocket-accept", 1, Headers),
+	{"sec-websocket-protocol", "foo"}
+		= lists:keyfind("sec-websocket-protocol", 1, Headers),
+	{ok, << 1:1, 0:3, 8:4, 0:1, 2:7, 1000:16 >>} = gen_tcp:recv(Socket, 0, 6000),
+	{error, closed} = gen_tcp:recv(Socket, 0, 6000),
+	ok.
+
 %% Internal.
 
 do_decode_headers({ok, http_eoh, Rest}, Acc) ->
-- 
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