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%% This Source Code Form is subject to the terms of the Mozilla Public
%% License, v. 2.0. If a copy of the MPL was not distributed with this
%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
%%
%% Copyright (c) 2011-2020 VMware, Inc. or its affiliates. All rights reserved.
%%
-module(mirrored_supervisor_SUITE_gs).
%% Dumb gen_server we can supervise
-export([start_link/1]).
-export([init/1, handle_call/3, handle_info/2, terminate/2, code_change/3,
handle_cast/2]).
-behaviour(gen_server).
-define(MS, mirrored_supervisor).
start_link(want_error) ->
{error, foo};
start_link(want_exit) ->
exit(foo);
start_link(Id) ->
gen_server:start_link({local, Id}, ?MODULE, [], []).
%% ---------------------------------------------------------------------------
init([]) ->
{ok, state}.
handle_call(Msg, _From, State) ->
die_if_my_supervisor_is_evil(),
{reply, {received, self(), Msg}, State}.
handle_cast(_Msg, State) ->
{noreply, State}.
handle_info(_Info, State) ->
{noreply, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
die_if_my_supervisor_is_evil() ->
try lists:keysearch(self(), 2, ?MS:which_children(evil)) of
false -> ok;
_ -> exit(doooom)
catch
exit:{noproc, _} -> ok
end.
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