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authorRickard Green <[email protected]>2016-11-30 16:46:26 +0100
committerRickard Green <[email protected]>2016-12-19 14:23:33 +0100
commitcece1693410a89e87343367e86b5dd82ac0e73b7 (patch)
tree2e53cd80c0c212033892e03a3b92219ce1a010a6 /erts/emulator/test/bif_SUITE.erl
parent0612bcedf520388d58a9441e9e6490bf86bf5a4b (diff)
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New test cases testing stacktrace from apply on erlang:error()
Diffstat (limited to 'erts/emulator/test/bif_SUITE.erl')
-rw-r--r--erts/emulator/test/bif_SUITE.erl173
1 files 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