From 84adefa331c4159d432d22840663c38f155cd4c1 Mon Sep 17 00:00:00 2001
From: Erlang/OTP <otp@erlang.org>
Date: Fri, 20 Nov 2009 14:54:40 +0000
Subject: The R13B03 release.

---
 lib/kernel/test/kernel_config_SUITE.erl | 107 ++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 lib/kernel/test/kernel_config_SUITE.erl

(limited to 'lib/kernel/test/kernel_config_SUITE.erl')

diff --git a/lib/kernel/test/kernel_config_SUITE.erl b/lib/kernel/test/kernel_config_SUITE.erl
new file mode 100644
index 0000000000..6b7d788e60
--- /dev/null
+++ b/lib/kernel/test/kernel_config_SUITE.erl
@@ -0,0 +1,107 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 1996-2009. 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(kernel_config_SUITE).
+
+-include("test_server.hrl").
+
+-export([all/1, sync/1]).
+
+-export([init/1, fini/1]).
+
+all(suite) ->
+    [{conf, init, [sync], fini}].
+
+init(doc) -> [];
+init(suite) -> [];
+init(Config) when is_list(Config) ->
+    Config.
+
+fini(doc) -> [];
+fini(suite) -> [];
+fini(Config) when is_list(Config) ->
+    stop_node(init_test),
+    Config.
+
+config(Fd) ->
+    M = from($@, atom_to_list(node())),
+    io:format(Fd, "[{kernel, [{sync_nodes_optional, ['cp1@~s','cp2@~s']},"
+	          "{sync_nodes_timeout, 15000}]}].~n",
+	      [M, M]).
+
+from(H, [H | T]) -> T;
+from(H, [_ | T]) -> from(H, T);
+from(_, []) -> [].
+
+%%-----------------------------------------------------------------
+%% Test suite for sync_nodes.   This is quite tricky.
+%%
+%% Should be started in a CC view with:
+%% erl -sname XXX where XX not in [cp1, cp2]
+%%-----------------------------------------------------------------
+sync(doc) -> [];
+sync(suite) -> [];
+sync(Conf) when list(Conf) ->
+    ?line Dog = ?t:timetrap(?t:seconds(120)),
+    % Write a config file
+    Dir = ?config(priv_dir,Conf),
+    {ok, Fd} = file:open(Dir ++ "sys.config", [write]),
+    config(Fd),
+    file:close(Fd),
+    Config = Dir ++ "sys",
+
+    %% Reset wall_clock
+    {T1,_} = erlang:statistics(wall_clock),
+    io:format("~p~n", [{t1, T1}]),
+    ?line Command = lists:concat([lib:progname(),
+				  " -detached -sname cp1 ",
+				  "-config ", Config,
+				  " -env ERL_CRASH_DUMP erl_crash_dump.cp1"]),
+    io:format("Command: ~s", [Command]),
+    ?line open_port({spawn, Command}, [stream]),
+    io:format("started~n"),
+    ?line ?t:sleep(12000),
+    io:format("waited12~n"),
+    ?line Host = from($@, atom_to_list(node())),
+    ?line Cp1 = list_to_atom("cp1@"++Host),
+    ?line wait_for_node(Cp1),
+    io:format("waitednode~n"),
+    %% Check time since last call
+    ?line {TT, T} = erlang:statistics(wall_clock),
+    io:format("~p~n", [{t2, {TT, T}}]),
+    ?line stop_node(cp1),
+    if
+	TT-T1 < 15000 -> ?line ?t:fail({too_short_time, TT-T1});
+	true -> ok
+    end,
+    ?line ?t:timetrap_cancel(Dog),
+    ok.
+
+wait_for_node(Node) ->
+    case rpc:call(Node, init, get_status, []) of
+	{started,_} -> ok;
+	{badrpc, R} -> ?line ?t:fail({rpc_failed, R});
+	_Other -> wait_for_node(Node)
+    end.
+
+
+stop_node(Node) ->
+    M = list_to_atom(lists:concat([Node,
+				   [$@],
+				   from($@,atom_to_list(node()))])),
+    rpc:cast(M, erlang, halt, []).
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