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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/compiler/test/receive_SUITE.erl
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The R13B03 release.OTP_R13B03
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diff --git a/lib/compiler/test/receive_SUITE.erl b/lib/compiler/test/receive_SUITE.erl
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2004-2009. 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%
+%%
+%%% Purpose : Compiles various modules with tough code
+
+-module(receive_SUITE).
+
+-export([all/1,init_per_testcase/2,fin_per_testcase/2,
+ recv/1,coverage/1,otp_7980/1]).
+
+-include("test_server.hrl").
+
+init_per_testcase(_Case, Config) ->
+ ?line Dog = test_server:timetrap(test_server:minutes(2)),
+ [{watchdog, Dog}|Config].
+
+fin_per_testcase(_Case, Config) ->
+ Dog=?config(watchdog, Config),
+ test_server:timetrap_cancel(Dog),
+ ok.
+
+all(suite) ->
+ test_lib:recompile(?MODULE),
+ [recv,coverage,otp_7980].
+
+-record(state, {ena = true}).
+
+recv(Config) when is_list(Config) ->
+ ?line Pid = spawn_link(fun() -> loop(#state{}) end),
+ Self = self(),
+ ?line Pid ! {Self,test},
+ receive
+ {ok,test} -> ok;
+ {error,Other} ->
+ io:format("Got unpexected ~p", [Other]),
+ ?line ?t:fail()
+ after 10000 ->
+ ?line ?t:fail(no_answer)
+ end,
+ receive
+ X ->
+ io:format("Unexpected extra message: ~p", [X]),
+ ?line ?t:fail()
+ after 10 ->
+ ok
+ end,
+ ok.
+
+loop(S) ->
+ receive
+ _ when S#state.ena == false ->
+ loop(S);
+ {P,test} ->
+ P ! {ok,test},
+ loop(S);
+ _X ->
+ loop(S)
+ end.
+
+coverage(Config) when is_list(Config) ->
+ do_link(self()),
+ do_unlink(self()),
+ do_monitor_node(node(), true),
+ do_monitor_node(node(), false),
+ do_group_leader(group_leader(), self()),
+ id(node(self())),
+
+ erlang:'!'(self(), {a,10}),
+ self() ! {b,20},
+ [{a,10},{b,20}] = receive_all(),
+ self() ! {c,42},
+ receive
+ {c,42} ->
+ ok
+ after infinity ->
+ exit(cant_happen)
+ end,
+
+ self() ! 17,
+ self() ! 19,
+ ?line 59 = tuple_to_values(infinity, x),
+ ?line 61 = tuple_to_values(999999, x),
+ ?line 0 = tuple_to_values(1, x),
+ ok.
+
+receive_all() ->
+ receive
+ Any ->
+ [Any|receive_all()]
+ after 0 ->
+ []
+ end.
+
+do_monitor_node(Node, Bool) ->
+ monitor_node(Node, Bool).
+
+do_link(Pid) ->
+ link(Pid).
+
+do_unlink(Pid) ->
+ unlink(Pid).
+
+do_group_leader(Leader, Pid) ->
+ group_leader(Leader, Pid).
+
+
+%% cover sys_core_fold:tuple_to_values/2
+tuple_to_values(infinity, X) ->
+ {A,B} = case X of
+ x ->
+ receive
+ Any ->
+ {42,Any}
+ end
+ end,
+ A+B;
+tuple_to_values(Timeout, X) ->
+ {A,B} = case X of
+ x ->
+ receive
+ Any ->
+ {42,Any}
+ after Timeout ->
+ {0,0}
+ end
+ end,
+ A+B.
+
+%% OTP-7980. Thanks to Vincent de Phily. The following code would
+%% be inccorrectly optimized by beam_jump.
+
+otp_7980(Config) when is_list(Config) ->
+ 7 = otp_7980_add_clients(10),
+ ok.
+
+otp_7980_add_clients(Count) ->
+ Timeout = 42,
+ lists:foldl(fun(_, N) ->
+ case N of
+ 1 -> ok;
+ _ -> receive after Timeout -> ok end
+ end,
+ N - 1
+ end, Count, [1,2,3]).
+
+id(I) -> I.