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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2006-2023. All Rights Reserved.
%%
%% 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%
%%
-module(core_SUITE).
-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,
dehydrated_itracer/1,nested_tries/1,
seq_in_guard/1,make_effect_seq/1,eval_is_boolean/1,
unsafe_case/1,nomatch_shadow/1,reversed_annos/1,
map_core_test/1,eval_case/1,bad_boolean_guard/1,
bs_shadowed_size_var/1,
cover_v3_kernel_1/1,cover_v3_kernel_2/1,cover_v3_kernel_3/1,
cover_v3_kernel_4/1,cover_v3_kernel_5/1,
non_variable_apply/1,name_capture/1,fun_letrec_effect/1,
get_map_element/1,receive_tests/1,
core_lint/1,nif/1,no_nif/1,no_load_nif/1]).
-include_lib("common_test/include/ct.hrl").
-define(comp(N),
N(Config) when is_list(Config) -> try_it(N, Config)).
init_per_testcase(Case, Config) when is_atom(Case), is_list(Config) ->
Config.
end_per_testcase(Case, Config) when is_atom(Case), is_list(Config) ->
ok.
suite() ->
[{ct_hooks,[ts_install_cth]},
{timetrap,{minutes,5}}].
all() ->
[{group,p}].
groups() ->
[{p,test_lib:parallel(),
[dehydrated_itracer,nested_tries,seq_in_guard,make_effect_seq,
eval_is_boolean,unsafe_case,nomatch_shadow,reversed_annos,
map_core_test,eval_case,bad_boolean_guard,
bs_shadowed_size_var,
cover_v3_kernel_1,cover_v3_kernel_2,cover_v3_kernel_3,
cover_v3_kernel_4,cover_v3_kernel_5,
non_variable_apply,name_capture,fun_letrec_effect,
get_map_element,receive_tests,
core_lint,nif,no_nif,no_load_nif
]}].
init_per_suite(Config) ->
test_lib:recompile(?MODULE),
Config.
end_per_suite(_Config) ->
ok.
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
?comp(dehydrated_itracer).
?comp(nested_tries).
?comp(seq_in_guard).
?comp(make_effect_seq).
?comp(eval_is_boolean).
?comp(unsafe_case).
?comp(nomatch_shadow).
?comp(reversed_annos).
?comp(map_core_test).
?comp(eval_case).
?comp(bad_boolean_guard).
?comp(bs_shadowed_size_var).
?comp(cover_v3_kernel_1).
?comp(cover_v3_kernel_2).
?comp(cover_v3_kernel_3).
?comp(cover_v3_kernel_4).
?comp(cover_v3_kernel_5).
?comp(non_variable_apply).
?comp(name_capture).
?comp(fun_letrec_effect).
?comp(get_map_element).
?comp(receive_tests).
try_it(Mod, Conf) ->
Src = filename:join(proplists:get_value(data_dir, Conf),
atom_to_list(Mod)),
compile_and_load(Src, []),
compile_and_load(Src, [no_copt]).
compile_and_load(Src, Opts) ->
{ok,Mod,Bin} = compile:file(Src, [from_core,report,time,binary|Opts]),
{module,Mod} = code:load_binary(Mod, Mod, Bin),
ok = Mod:Mod(),
_ = code:delete(Mod),
_ = code:purge(Mod),
ok.
core_lint(_Config) ->
OK = cerl:c_atom(ok),
core_lint_function(illegal),
core_lint_function(cerl:c_let([OK], OK, OK)),
core_lint_function(cerl:c_let([cerl:c_var(var)], cerl:c_var(999), OK)),
core_lint_function(cerl:c_let([cerl:c_var(var)], cerl:c_var(unknown), OK)),
core_lint_function(cerl:c_try(OK, [], OK, [], handler)),
core_lint_function(cerl:c_apply(cerl:c_var({OK,0}), [OK])),
core_lint_function([], [OK], OK),
core_lint_function([cerl:c_var({cerl:c_char($*),OK})], [], OK),
core_lint_pattern([cerl:c_var(99),cerl:c_var(99)]),
core_lint_pattern([cerl:c_let([cerl:c_var(var)], OK, OK)]),
core_lint_bs_pattern([OK]),
Flags = cerl:make_list([big,unsigned]),
core_lint_bs_pattern([cerl:c_bitstr(cerl:c_var(tail), cerl:c_atom(binary), Flags),
cerl:c_bitstr(cerl:c_var(value), cerl:c_atom(binary), Flags)]),
BadGuard1 = cerl:c_call(OK, OK, []),
BadGuard2 = cerl:c_call(cerl:c_atom(erlang), OK, []),
BadGuard3 = cerl:c_call(cerl:c_atom(erlang), cerl:c_atom(is_record), [OK,OK,OK]),
PatMismatch = cerl:c_case(cerl:c_nil(),
[cerl:c_clause([], OK),
cerl:c_clause([OK], OK),
cerl:c_clause([OK], BadGuard1, OK),
cerl:c_clause([OK], BadGuard2, OK),
cerl:c_clause([OK], BadGuard3, OK)]),
core_lint_function(PatMismatch),
ok.
core_lint_bs_pattern(Ps) ->
core_lint_pattern([cerl:c_binary(Ps)]).
core_lint_pattern(Ps) ->
Cs = [cerl:c_clause(Ps, cerl:c_float(42))],
core_lint_function(cerl:c_case(cerl:c_nil(), Cs)).
core_lint_function(Body) ->
core_lint_function([], [], Body).
core_lint_function(Exports, Attributes, Body) ->
ModName = cerl:c_atom(core_lint_test),
MainFun = cerl:c_fun([], Body),
MainVar = cerl:c_var({main,0}),
Mod = cerl:c_module(ModName, Exports, Attributes, [{MainVar,MainFun}]),
{error,[{"core_lint_test",Errors}],[]} =
compile:forms(Mod, [from_core,clint0,return]),
io:format("~p\n", [Errors]),
[] = lists:filter(fun({none,core_lint,_}) -> false;
(_) -> true
end, Errors),
error = compile:forms(Mod, [from_core,clint0,report]).
nif(Conf) ->
%% Check that only the function in the nif attribute starts with nif_start
Funs =
nif_compile_to_cerl(Conf, [{d,'WITH_ATTRIBUTE'},{d,'WITH_LOAD_NIF'}]),
false = nif_first_instruction_is_nif_start(init, 1, Funs),
true = nif_first_instruction_is_nif_start(start, 1, Funs),
false = nif_first_instruction_is_nif_start(bug0, 1, Funs),
false = nif_first_instruction_is_nif_start(module_info, 0, Funs),
false = nif_first_instruction_is_nif_start(module_info, 1, Funs),
ok.
no_nif(Conf) ->
%% Check that all functions start with nif_start
Funs = nif_compile_to_cerl(Conf, [{d,'WITH_LOAD_NIF'}]),
true = nif_first_instruction_is_nif_start(init, 1, Funs),
true = nif_first_instruction_is_nif_start(start, 1, Funs),
true = nif_first_instruction_is_nif_start(bug0, 1, Funs),
true = nif_first_instruction_is_nif_start(module_info, 0, Funs),
true = nif_first_instruction_is_nif_start(module_info, 1, Funs),
ok.
no_load_nif(Conf) ->
%% Check that no functions start with nif_start
Funs = nif_compile_to_cerl(Conf, []),
false = nif_first_instruction_is_nif_start(init, 1, Funs),
false = nif_first_instruction_is_nif_start(start, 1, Funs),
false = nif_first_instruction_is_nif_start(bug0, 1, Funs),
false = nif_first_instruction_is_nif_start(module_info, 0, Funs),
false = nif_first_instruction_is_nif_start(module_info, 1, Funs),
ok.
nif_compile_to_cerl(Conf, Flags) ->
Src = filename:join(proplists:get_value(data_dir, Conf), "nif.erl"),
{ok, _, F} = compile:file(Src, [to_core, binary, deterministic]++Flags),
Defs = cerl:module_defs(F),
[ {cerl:var_name(V),cerl:fun_body(Def)} || {V,Def} <- Defs].
nif_first_instruction_is_nif_start(F, A, [{{F,A},Body}|_]) ->
try
assert_body_starts_with_nif_start(Body)
catch
error:_ ->
false
end;
nif_first_instruction_is_nif_start(F, A, [_|Rest]) ->
nif_first_instruction_is_nif_start(F, A, Rest);
nif_first_instruction_is_nif_start(_, _, []) ->
not_found.
%% Return true if the body starts with nif_start or not at all if
%% not. Descend into letrecs.
assert_body_starts_with_nif_start(Body0) ->
Body = case cerl:is_c_letrec(Body0) of
true ->
%% For the compiler generated functions in the
%% defs-part of the letrec, we just check that
%% they start with a nif-start, regardless of
%% their names.
lists:foreach(fun({_, F}) ->
assert_body_starts_with_nif_start(
cerl:fun_body(F))
end, cerl:letrec_defs(Body0)),
%% Return the body of the letrec for checking.
cerl:letrec_body(Body0);
false ->
Body0
end,
Primop = cerl:seq_arg(Body),
Name = cerl:primop_name(Primop),
0 = cerl:primop_arity(Primop),
nif_start = cerl:atom_val(Name),
true.
|
