From cece1693410a89e87343367e86b5dd82ac0e73b7 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Wed, 30 Nov 2016 16:46:26 +0100 Subject: New test cases testing stacktrace from apply on erlang:error() --- erts/emulator/test/bif_SUITE.erl | 173 ++++++++++++++++++++++++++++++++++++++- 1 file changed, 170 insertions(+), 3 deletions(-) diff --git a/erts/emulator/test/bif_SUITE.erl b/erts/emulator/test/bif_SUITE.erl index b8d89126fe..f70fb0e501 100644 --- a/erts/emulator/test/bif_SUITE.erl +++ b/erts/emulator/test/bif_SUITE.erl @@ -32,7 +32,8 @@ binary_to_atom/1,binary_to_existing_atom/1, atom_to_binary/1,min_max/1, erlang_halt/1, erl_crash_dump_bytes/1, - is_builtin/1]). + is_builtin/1, error_stacktrace/1, + error_stacktrace_during_call_trace/1]). suite() -> [{ct_hooks,[ts_install_cth]}, @@ -44,8 +45,8 @@ all() -> t_list_to_existing_atom, os_env, otp_7526, display, atom_to_binary, binary_to_atom, binary_to_existing_atom, - erl_crash_dump_bytes, - min_max, erlang_halt, is_builtin]. + erl_crash_dump_bytes, min_max, erlang_halt, is_builtin, + error_stacktrace, error_stacktrace_during_call_trace]. %% Uses erlang:display to test that erts_printf does not do deep recursion display(Config) when is_list(Config) -> @@ -727,6 +728,172 @@ is_builtin(_Config) -> ok. +error_stacktrace(Config) when is_list(Config) -> + error_stacktrace_test(). + +error_stacktrace_during_call_trace(Config) when is_list(Config) -> + Tracer = spawn_link(fun () -> + receive after infinity -> ok end + end), + Mprog = [{'_',[],[{exception_trace}]}], + erlang:trace_pattern({?MODULE,'_','_'}, Mprog, [local]), + 1 = erlang:trace_pattern({erlang,error,2}, Mprog, [local]), + 1 = erlang:trace_pattern({erlang,error,1}, Mprog, [local]), + erlang:trace(all, true, [call,return_to,timestamp,{tracer, Tracer}]), + try + error_stacktrace_test() + after + erlang:trace(all, false, [call,return_to,timestamp,{tracer, Tracer}]), + erlang:trace_pattern({erlang,error,2}, false, [local]), + erlang:trace_pattern({erlang,error,1}, false, [local]), + erlang:trace_pattern({?MODULE,'_','_'}, false, [local]), + unlink(Tracer), + exit(Tracer, kill), + Mon = erlang:monitor(process, Tracer), + receive + {'DOWN', Mon, process, Tracer, _} -> ok + end + end, + ok. + + +error_stacktrace_test() -> + Types = [apply_const_last, apply_const, apply_last, + apply, double_apply_const_last, double_apply_const, + double_apply_last, double_apply, multi_apply_const_last, + multi_apply_const, multi_apply_last, multi_apply, + call_const_last, call_last, call_const, call], + lists:foreach(fun (Type) -> + {Pid, Mon} = spawn_monitor( + fun () -> + stk([a,b,c,d], Type, error_2) + end), + receive + {'DOWN', Mon, process, Pid, Reason} -> + {oops, Stack} = Reason, +%% io:format("Type: ~p Stack: ~p~n", +%% [Type, Stack]), + [{?MODULE, do_error_2, [Type], _}, + {?MODULE, stk, 3, _}, + {?MODULE, stk, 3, _}] = Stack + end + end, + Types), + lists:foreach(fun (Type) -> + {Pid, Mon} = spawn_monitor( + fun () -> + stk([a,b,c,d], Type, error_1) + end), + receive + {'DOWN', Mon, process, Pid, Reason} -> + {oops, Stack} = Reason, +%% io:format("Type: ~p Stack: ~p~n", +%% [Type, Stack]), + [{?MODULE, do_error_1, 1, _}, + {?MODULE, stk, 3, _}, + {?MODULE, stk, 3, _}] = Stack + end + end, + Types), + ok. + +stk([], Type, Func) -> + tail(Type, Func, jump), + ok; +stk([_|L], Type, Func) -> + stk(L, Type, Func), + ok. + +tail(Type, Func, jump) -> + tail(Type, Func, do); +tail(Type, error_1, do) -> + do_error_1(Type); +tail(Type, error_2, do) -> + do_error_2(Type). + +do_error_2(apply_const_last) -> + erlang:apply(erlang, error, [oops, [apply_const_last]]); +do_error_2(apply_const) -> + erlang:apply(erlang, error, [oops, [apply_const]]), + ok; +do_error_2(apply_last) -> + erlang:apply(id(erlang), id(error), id([oops, [apply_last]])); +do_error_2(apply) -> + erlang:apply(id(erlang), id(error), id([oops, [apply]])), + ok; +do_error_2(double_apply_const_last) -> + erlang:apply(erlang, apply, [erlang, error, [oops, [double_apply_const_last]]]); +do_error_2(double_apply_const) -> + erlang:apply(erlang, apply, [erlang, error, [oops, [double_apply_const]]]), + ok; +do_error_2(double_apply_last) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(error), id([oops, [double_apply_last]])]); +do_error_2(double_apply) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(error), id([oops, [double_apply]])]), + ok; +do_error_2(multi_apply_const_last) -> + erlang:apply(erlang, apply, [erlang, apply, [erlang, apply, [erlang, error, [oops, [multi_apply_const_last]]]]]); +do_error_2(multi_apply_const) -> + erlang:apply(erlang, apply, [erlang, apply, [erlang, apply, [erlang, error, [oops, [multi_apply_const]]]]]), + ok; +do_error_2(multi_apply_last) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(error), id([oops, [multi_apply_last]])]]]); +do_error_2(multi_apply) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(error), id([oops, [multi_apply]])]]]), + ok; +do_error_2(call_const_last) -> + erlang:error(oops, [call_const_last]); +do_error_2(call_last) -> + erlang:error(id(oops), id([call_last])); +do_error_2(call_const) -> + erlang:error(oops, [call_const]), + ok; +do_error_2(call) -> + erlang:error(id(oops), id([call])). + + +do_error_1(apply_const_last) -> + erlang:apply(erlang, error, [oops]); +do_error_1(apply_const) -> + erlang:apply(erlang, error, [oops]), + ok; +do_error_1(apply_last) -> + erlang:apply(id(erlang), id(error), id([oops])); +do_error_1(apply) -> + erlang:apply(id(erlang), id(error), id([oops])), + ok; +do_error_1(double_apply_const_last) -> + erlang:apply(erlang, apply, [erlang, error, [oops]]); +do_error_1(double_apply_const) -> + erlang:apply(erlang, apply, [erlang, error, [oops]]), + ok; +do_error_1(double_apply_last) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(error), id([oops])]); +do_error_1(double_apply) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(error), id([oops])]), + ok; +do_error_1(multi_apply_const_last) -> + erlang:apply(erlang, apply, [erlang, apply, [erlang, apply, [erlang, error, [oops]]]]); +do_error_1(multi_apply_const) -> + erlang:apply(erlang, apply, [erlang, apply, [erlang, apply, [erlang, error, [oops]]]]), + ok; +do_error_1(multi_apply_last) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(error), id([oops])]]]); +do_error_1(multi_apply) -> + erlang:apply(id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(apply), [id(erlang), id(error), id([oops])]]]), + ok; +do_error_1(call_const_last) -> + erlang:error(oops); +do_error_1(call_last) -> + erlang:error(id(oops)); +do_error_1(call_const) -> + erlang:error(oops), + ok; +do_error_1(call) -> + erlang:error(id(oops)). + + + %% Helpers -- cgit v1.2.3