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-rw-r--r--lib/debugger/test/fun_SUITE.erl233
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diff --git a/lib/debugger/test/fun_SUITE.erl b/lib/debugger/test/fun_SUITE.erl
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 1999-2010. 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_SUITE).
+
+-export([all/1,
+ init_per_testcase/2,end_per_testcase/2,
+ init_all/1,finish_all/1,
+ good_call/1,bad_apply/1,bad_fun_call/1,badarity/1,
+ ext_badarity/1,otp_6061/1]).
+-export([nothing/0]).
+
+-include("test_server.hrl").
+
+all(suite) ->
+ [{conf,init_all,cases(),finish_all}].
+
+cases() ->
+ [good_call,bad_apply,bad_fun_call,badarity,ext_badarity,otp_6061].
+
+init_per_testcase(_Case, Config) ->
+ test_lib:interpret(?MODULE),
+ Dog = test_server:timetrap(?t:minutes(1)),
+ [{watchdog,Dog}|Config].
+
+end_per_testcase(_Case, Config) ->
+ Dog = ?config(watchdog, Config),
+ ?t:timetrap_cancel(Dog),
+ ok.
+
+init_all(Config) when is_list(Config) ->
+ ?line test_lib:interpret(?MODULE),
+ ?line true = lists:member(?MODULE, int:interpreted()),
+ ok.
+
+finish_all(Config) when is_list(Config) ->
+ ok.
+
+good_call(Config) when is_list(Config) ->
+ ?line F = fun() -> ok end,
+ ?line ok = F(),
+ ?line FF = fun ?MODULE:nothing/0,
+ ?line ok = FF(),
+ ok.
+
+bad_apply(doc) ->
+ "Test that the correct EXIT code is returned for all types of bad funs.";
+bad_apply(suite) -> [];
+bad_apply(Config) when is_list(Config) ->
+ ?line bad_apply_fc(42, [0]),
+ ?line bad_apply_fc(xx, [1]),
+ ?line bad_apply_fc({}, [2]),
+ ?line bad_apply_fc({1}, [3]),
+ ?line bad_apply_fc({1,2,3}, [4]),
+ ?line bad_apply_fc({1,2,3}, [5]),
+ ?line bad_apply_fc({1,2,3,4}, [6]),
+ ?line bad_apply_fc({1,2,3,4,5,6}, [7]),
+ ?line bad_apply_fc({1,2,3,4,5}, [8]),
+ ?line bad_apply_badarg({1,2}, [9]),
+ ok.
+
+bad_apply_fc(Fun, Args) ->
+ Res = (catch apply(Fun, Args)),
+ erlang:garbage_collect(),
+ erlang:yield(),
+ case Res of
+ {'EXIT',{{badfun,Fun},_Where}} ->
+ ok = io:format("apply(~p, ~p) -> ~p\n", [Fun,Args,Res]);
+ Other ->
+ ok = io:format("apply(~p, ~p) -> ~p\n", [Fun,Args,Res]),
+ ?t:fail({bad_result,Other})
+ end.
+
+bad_apply_badarg(Fun, Args) ->
+ Res = (catch apply(Fun, Args)),
+ erlang:garbage_collect(),
+ erlang:yield(),
+ case Res of
+ {'EXIT',{{badfun,Fun},_Where}} ->
+ ok = io:format("apply(~p, ~p) -> ~p\n", [Fun,Args,Res]);
+ Other ->
+ ok = io:format("apply(~p, ~p) -> ~p\n", [Fun,Args,Res]),
+ ?t:fail({bad_result, Other})
+ end.
+
+bad_fun_call(doc) ->
+ "Try directly calling bad funs.";
+bad_fun_call(suite) -> [];
+bad_fun_call(Config) when is_list(Config) ->
+ ?line bad_call_fc(42),
+ ?line bad_call_fc(xx),
+ ?line bad_call_fc({}),
+ ?line bad_call_fc({1}),
+ ?line bad_call_fc({1,2,3}),
+ ?line bad_call_fc({1,2,3}),
+ ?line bad_call_fc({1,2,3,4}),
+ ?line bad_call_fc({1,2,3,4,5,6}),
+ ?line bad_call_fc({1,2,3,4,5}),
+ ?line bad_call_fc({1,2}),
+ ok.
+
+bad_call_fc(Fun) ->
+ Args = [some,stupid,args],
+ Res = (catch Fun(Args)),
+ case Res of
+ {'EXIT',{{badfun,Fun},_Where}} ->
+ ok = io:format("~p(~p) -> ~p\n", [Fun,Args,Res]);
+ Other ->
+ ok = io:format("~p(~p) -> ~p\n", [Fun,Args,Res]),
+ ?t:fail({bad_result,Other})
+ end.
+
+%% Call and apply valid external funs with wrong number of arguments.
+
+badarity(Config) when is_list(Config) ->
+ ?line Fun = fun() -> ok end,
+ ?line Stupid = {stupid,arguments},
+ ?line Args = [some,{stupid,arguments},here],
+
+ %% Simple call.
+
+ ?line Res = (catch Fun(some, Stupid, here)),
+ erlang:garbage_collect(),
+ erlang:yield(),
+ case Res of
+ {'EXIT',{{badarity,{Fun,Args}},[_|_]}} ->
+ ?line ok = io:format("~p(~p) -> ~p\n", [Fun,Args,Res]);
+ _ ->
+ ?line ok = io:format("~p(~p) -> ~p\n", [Fun,Args,Res]),
+ ?line ?t:fail({bad_result,Res})
+ end,
+
+ %% Apply.
+
+ ?line Res2 = (catch apply(Fun, Args)),
+ erlang:garbage_collect(),
+ erlang:yield(),
+ case Res2 of
+ {'EXIT',{{badarity,{Fun,Args}},[_|_]}} ->
+ ?line ok = io:format("apply(~p, ~p) -> ~p\n", [Fun,Args,Res2]);
+ _ ->
+ ?line ok = io:format("apply(~p, ~p) -> ~p\n", [Fun,Args,Res2]),
+ ?line ?t:fail({bad_result,Res2})
+ end,
+ ok.
+
+%% Call and apply valid external funs with wrong number of arguments.
+
+ext_badarity(Config) when is_list(Config) ->
+ ?line Fun = fun ?MODULE:nothing/0,
+ ?line Stupid = {stupid,arguments},
+ ?line Args = [some,{stupid,arguments},here],
+
+ %% Simple call.
+
+ ?line Res = (catch Fun(some, Stupid, here)),
+ erlang:garbage_collect(),
+ erlang:yield(),
+ case Res of
+ {'EXIT',{{badarity,{Fun,Args}},_}} ->
+ ?line ok = io:format("~p(~p) -> ~p\n", [Fun,Args,Res]);
+ _ ->
+ ?line ok = io:format("~p(~p) -> ~p\n", [Fun,Args,Res]),
+ ?line ?t:fail({bad_result,Res})
+ end,
+
+ %% Apply.
+
+ ?line Res2 = (catch apply(Fun, Args)),
+ erlang:garbage_collect(),
+ erlang:yield(),
+ case Res2 of
+ {'EXIT',{{badarity,{Fun,Args}},_}} ->
+ ?line ok = io:format("apply(~p, ~p) -> ~p\n", [Fun,Args,Res2]);
+ _ ->
+ ?line ok = io:format("apply(~p, ~p) -> ~p\n", [Fun,Args,Res2]),
+ ?line ?t:fail({bad_result,Res2})
+ end,
+ ok.
+
+nothing() ->
+ ok.
+
+otp_6061(suite) ->
+ [];
+otp_6061(doc) ->
+ ["Test handling of fun expression referring to uninterpreted code"];
+otp_6061(Config) when is_list(Config) ->
+
+ ?line OrigFlag = process_flag(trap_exit, true),
+
+ ?line Self = self(),
+ ?line Pid = spawn_link(fun() -> test_otp_6061(Self) end),
+
+ receive
+ working ->
+ ?line ok;
+ not_working ->
+ ?line ?t:fail(not_working);
+ {'EXIT', Pid, Reason} ->
+ ?line ?t:fail({crash, Reason})
+ after
+ 5000 ->
+ ?line ?t:fail(timeout)
+ end,
+
+ ?line process_flag(trap_exit, OrigFlag),
+
+ ok.
+
+test_otp_6061(Starter) ->
+ Passes = [2],
+ PassesF = [fun() -> Starter ! not_working end,
+ fun() -> Starter ! working end,
+ fun() -> Starter ! not_working end],
+ lists:foreach(fun(P)->(lists:nth(P,PassesF))() end,Passes).
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 17:46:35 +0000