diff options
Diffstat (limited to 'erts/emulator/test/module_info_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/module_info_SUITE.erl | 122 |
1 files changed, 82 insertions, 40 deletions
diff --git a/erts/emulator/test/module_info_SUITE.erl b/erts/emulator/test/module_info_SUITE.erl index 8a63d9fe3e..7c2101ca05 100644 --- a/erts/emulator/test/module_info_SUITE.erl +++ b/erts/emulator/test/module_info_SUITE.erl @@ -3,16 +3,17 @@ %% %% Copyright Ericsson AB 2005-2011. 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. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -24,7 +25,7 @@ -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, - exports/1,functions/1,native/1]). + exports/1,functions/1,deleted/1,native/1,info/1]). %%-compile(native). @@ -51,9 +52,8 @@ init_per_group(_GroupName, Config) -> end_per_group(_GroupName, Config) -> Config. - -modules() -> - [exports, functions, native]. +modules() -> + [exports, functions, deleted, native, info]. init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) -> Dog = ?t:timetrap(?t:minutes(3)), @@ -81,40 +81,66 @@ all_functions() -> %% Test that the list of exported functions from this module is correct. exports(Config) when is_list(Config) -> - ?line All = all_exported(), - ?line All = lists:sort(?MODULE:module_info(exports)), - ?line (catch ?MODULE:foo()), - ?line All = lists:sort(?MODULE:module_info(exports)), + All = all_exported(), + All = lists:sort(?MODULE:module_info(exports)), + (catch ?MODULE:foo()), + All = lists:sort(?MODULE:module_info(exports)), ok. %% Test that the list of exported functions from this module is correct. functions(Config) when is_list(Config) -> - ?line All = all_functions(), - ?line All = lists:sort(?MODULE:module_info(functions)), + All = all_functions(), + All = lists:sort(?MODULE:module_info(functions)), + ok. + +%% Test that deleted modules cause badarg +deleted(Config) when is_list(Config) -> + Data = ?config(data_dir, Config), + File = filename:join(Data, "module_info_test"), + {ok,module_info_test,Code} = compile:file(File, [binary]), + {module,module_info_test} = erlang:load_module(module_info_test, Code), + 17 = module_info_test:f(), + [_|_] = erlang:get_module_info(module_info_test, attributes), + [_|_] = erlang:get_module_info(module_info_test), + + %% first delete it + true = erlang:delete_module(module_info_test), + {'EXIT',{undef, _}} = (catch module_info_test:f()), + {'EXIT',{badarg, _}} = (catch erlang:get_module_info(module_info_test,attributes)), + {'EXIT',{badarg, _}} = (catch erlang:get_module_info(module_info_test)), + + %% then purge it + true = erlang:purge_module(module_info_test), + {'EXIT',{undef, _}} = (catch module_info_test:f()), + {'EXIT',{badarg, _}} = (catch erlang:get_module_info(module_info_test,attributes)), + {'EXIT',{badarg, _}} = (catch erlang:get_module_info(module_info_test)), ok. %% Test that the list of exported functions from this module is correct. +%% Verify that module_info(native) works. native(Config) when is_list(Config) -> - ?line All = all_functions(), - ?line case ?MODULE:module_info(native_addresses) of - [] -> - {comment,"no native functions"}; - L -> - %% Verify that all functions have unique addresses. - ?line S0 = sofs:set(L, [{name,arity,addr}]), - ?line S1 = sofs:projection({external,fun ?MODULE:native_proj/1}, S0), - ?line S2 = sofs:relation_to_family(S1), - ?line S3 = sofs:family_specification(fun ?MODULE:native_filter/1, S2), - ?line 0 = sofs:no_elements(S3), - ?line S4 = sofs:range(S1), - - %% Verify that the set of function with native addresses - %% is a subset of all functions in the module. - ?line AllSet = sofs:set(All, [{name,arity}]), - ?line true = sofs:is_subset(S4, AllSet), - - {comment,integer_to_list(sofs:no_elements(S0))++" native functions"} - end. + All = all_functions(), + case ?MODULE:module_info(native_addresses) of + [] -> + false = ?MODULE:module_info(native), + {comment,"no native functions"}; + L -> + true = ?MODULE:module_info(native), + %% Verify that all functions have unique addresses. + S0 = sofs:set(L, [{name,arity,addr}]), + S1 = sofs:projection({external,fun ?MODULE:native_proj/1}, S0), + S2 = sofs:relation_to_family(S1), + S3 = sofs:family_specification(fun ?MODULE:native_filter/1, S2), + 0 = sofs:no_elements(S3), + S4 = sofs:range(S1), + + %% Verify that the set of function with native addresses + %% is a subset of all functions in the module. + AllSet = sofs:set(All, [{name,arity}]), + true = sofs:is_subset(S4, AllSet), + + {comment,integer_to_list(sofs:no_elements(S0))++" native functions"} + end. native_proj({Name,Arity,Addr}) -> {Addr,{Name,Arity}}. @@ -122,6 +148,22 @@ native_proj({Name,Arity,Addr}) -> native_filter(Set) -> sofs:no_elements(Set) =/= 1. +%% Test that the module info of this module is correct. Use +%% erlang:get_module_info(?MODULE) to avoid compiler optimization tricks. +info(Config) when is_list(Config) -> + Info = erlang:get_module_info(?MODULE), + All = all_exported(), + {ok,{?MODULE,MD5}} = beam_lib:md5(code:which(?MODULE)), + {module, ?MODULE} = lists:keyfind(module, 1, Info), + {md5, MD5} = lists:keyfind(md5, 1, Info), + {exports, Exports} = lists:keyfind(exports, 1, Info), + All = lists:sort(Exports), + {attributes, Attrs} = lists:keyfind(attributes, 1, Info), + {vsn,_} = lists:keyfind(vsn, 1, Attrs), + {compile, Compile} = lists:keyfind(compile, 1, Info), + {options,_} = lists:keyfind(options, 1, Compile), + ok. + %% Helper functions (local). add_arity(L) -> |