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-rw-r--r--lib/compiler/test/receive_SUITE.erl111
1 files changed, 99 insertions, 12 deletions
diff --git a/lib/compiler/test/receive_SUITE.erl b/lib/compiler/test/receive_SUITE.erl
index cb8833759a..2a67615e5e 100644
--- a/lib/compiler/test/receive_SUITE.erl
+++ b/lib/compiler/test/receive_SUITE.erl
@@ -1,42 +1,61 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2004-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 2004-2011. 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%
%%
%%% 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]).
+-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,
+ export/1,recv/1,coverage/1,otp_7980/1,ref_opt/1]).
--include("test_server.hrl").
+-include_lib("test_server/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) ->
+end_per_testcase(_Case, Config) ->
Dog=?config(watchdog, Config),
test_server:timetrap_cancel(Dog),
ok.
-all(suite) ->
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
test_lib:recompile(?MODULE),
- [recv,coverage,otp_7980].
+ [recv, coverage, otp_7980, ref_opt, export].
+
+groups() ->
+ [].
+
+init_per_suite(Config) ->
+ Config.
+
+end_per_suite(_Config) ->
+ ok.
+
+init_per_group(_GroupName, Config) ->
+ Config.
+
+end_per_group(_GroupName, Config) ->
+ Config.
-record(state, {ena = true}).
@@ -157,5 +176,73 @@ otp_7980_add_clients(Count) ->
end,
N - 1
end, Count, [1,2,3]).
-
+
+ref_opt(Config) when is_list(Config) ->
+ case ?MODULE of
+ receive_SUITE -> ref_opt_1(Config);
+ _ -> {skip,"Enough to run this case once."}
+ end.
+
+ref_opt_1(Config) ->
+ ?line DataDir = ?config(data_dir, Config),
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line Sources = filelib:wildcard(filename:join([DataDir,"ref_opt","*.erl"])),
+ ?line test_lib:p_run(fun(Src) ->
+ do_ref_opt(Src, PrivDir)
+ end, Sources),
+ ok.
+
+do_ref_opt(Source, PrivDir) ->
+ try
+ {ok,Mod} = c:c(Source, [{outdir,PrivDir}]),
+ ok = Mod:Mod(),
+ Base = filename:rootname(filename:basename(Source), ".erl"),
+ BeamFile = filename:join(PrivDir, Base),
+ {beam_file,Mod,_,_,_,Code} = beam_disasm:file(BeamFile),
+ case Base of
+ "no_"++_ ->
+ [] = collect_recv_opt_instrs(Code);
+ "yes_"++_ ->
+ [{recv_mark,{f,L}},{recv_set,{f,L}}] =
+ collect_recv_opt_instrs(Code)
+ end,
+ ok
+ catch Class:Error ->
+ io:format("~s: ~p ~p\n~p\n",
+ [Source,Class,Error,erlang:get_stacktrace()]),
+ error
+ end.
+
+collect_recv_opt_instrs(Code) ->
+ L = [ [I || I <- Is,
+ begin
+ case I of
+ {recv_mark,{f,_}} -> true;
+ {recv_set,{f,_}} -> true;
+ _ -> false
+ end
+ end] || {function,_,_,_,Is} <- Code],
+ lists:append(L).
+
+export(Config) when is_list(Config) ->
+ Ref = make_ref(),
+ ?line self() ! {result,Ref,42},
+ ?line 42 = export_1(Ref),
+ ?line {error,timeout} = export_1(Ref),
+ ok.
+
+export_1(Reference) ->
+ id(Reference),
+ receive
+ {result,Reference,Result} ->
+ Result
+ after 1 ->
+ Result = {error,timeout}
+ end,
+ %% Result ({x,1}) is used, but not the return value ({x,0})
+ %% of the receive. Used to be incorrectly optimized
+ %% by beam_block.
+ id({build,self()}),
+ Result.
+
id(I) -> I.