From d7722a7d64d9c9cc2d7241c99997a3f622a3481c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Thu, 24 Nov 2011 10:48:55 +0100
Subject: emulator tests: Test compatibility with R13, not R12

---
 erts/emulator/test/fun_r13_SUITE.erl | 97 ++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 erts/emulator/test/fun_r13_SUITE.erl

(limited to 'erts/emulator/test/fun_r13_SUITE.erl')

diff --git a/erts/emulator/test/fun_r13_SUITE.erl b/erts/emulator/test/fun_r13_SUITE.erl
new file mode 100644
index 0000000000..76ddf9fec9
--- /dev/null
+++ b/erts/emulator/test/fun_r13_SUITE.erl
@@ -0,0 +1,97 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2007-2011. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+-module(fun_r13_SUITE).
+-compile(r13).
+
+-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
+	 init_per_group/2,end_per_group/2,
+	 init_per_testcase/2,end_per_testcase/2,dist_old_release/1]).
+
+-define(default_timeout, ?t:minutes(1)).
+-include_lib("test_server/include/test_server.hrl").
+
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
+    [dist_old_release].
+
+groups() ->
+    [].
+
+init_per_suite(Config) ->
+    Config.
+
+end_per_suite(_Config) ->
+    ok.
+
+init_per_group(_GroupName, Config) ->
+    Config.
+
+end_per_group(_GroupName, Config) ->
+    Config.
+
+
+init_per_testcase(_Case, Config) ->
+    ?line Dog = test_server:timetrap(?default_timeout),
+    [{watchdog, Dog}|Config].
+
+end_per_testcase(_Case, Config) ->
+    Dog=?config(watchdog, Config),
+    test_server:timetrap_cancel(Dog),
+    ok.
+
+dist_old_release(Config) when is_list(Config) ->
+    case ?t:is_release_available("r12b") of
+	true -> do_dist_old(Config);
+	false -> {skip,"No R12B found"}
+    end.
+
+do_dist_old(Config) when is_list(Config) ->
+    ?line Pa = filename:dirname(code:which(?MODULE)),
+    Name = fun_dist_r12,
+    ?line {ok,Node} = ?t:start_node(Name, peer,
+				    [{args,"-pa "++Pa},
+				     {erl,[{release,"r12b"}]}]),
+
+    ?line Pid = spawn_link(Node,
+			   fun() ->
+				   receive
+				       Fun when is_function(Fun) ->
+					   R12BFun = fun(H) -> cons(H, [b,c]) end,
+					   Fun(Fun, R12BFun)
+				   end
+			   end),
+    Self = self(),
+    Fun = fun(F, R12BFun) ->
+		  {pid,Self} = erlang:fun_info(F, pid),
+		  {module,?MODULE} = erlang:fun_info(F, module),
+		  Self ! {ok,F,R12BFun}
+	  end,
+    ?line Pid ! Fun,
+    ?line receive
+	      {ok,Fun,R12BFun} ->
+		  ?line [a,b,c] = R12BFun(a);
+	      Other ->
+		  ?line ?t:fail({bad_message,Other})
+	  end,
+    ok.
+
+cons(H, T) ->
+    [H|T].
-- 
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