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authorLukas Larsson <[email protected]>2017-07-10 08:42:57 +0200
committerGitHub <[email protected]>2017-07-10 08:42:57 +0200
commitb805af3e618175ac78b39ce6f60aa6d63e865198 (patch)
tree90e68e05c7376b2175e3fe124a12f2c8ceb7e6dc /erts/emulator/test
parent522e9e8fbcef3102293af23a0d05b106126789aa (diff)
parente8d45ae14c6c3bdfcbbc7964228b004ef4f11ea6 (diff)
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josevalim/jv-op-stacktrace-entry/PR-1478/OTP-14508
Add stacktrace entries to BIF calls from emulator
Diffstat (limited to 'erts/emulator/test')
-rw-r--r--erts/emulator/test/exception_SUITE.erl82
1 files changed, 69 insertions, 13 deletions
diff --git a/erts/emulator/test/exception_SUITE.erl b/erts/emulator/test/exception_SUITE.erl
index aaca522da6..e473a10be7 100644
--- a/erts/emulator/test/exception_SUITE.erl
+++ b/erts/emulator/test/exception_SUITE.erl
@@ -21,7 +21,7 @@
-module(exception_SUITE).
-export([all/0, suite/0,
- badmatch/1, pending_errors/1, nil_arith/1,
+ badmatch/1, pending_errors/1, nil_arith/1, top_of_stacktrace/1,
stacktrace/1, nested_stacktrace/1, raise/1, gunilla/1, per/1,
exception_with_heap_frag/1, line_numbers/1]).
@@ -36,8 +36,8 @@ suite() ->
{timetrap, {minutes, 1}}].
all() ->
- [badmatch, pending_errors, nil_arith, stacktrace,
- nested_stacktrace, raise, gunilla, per,
+ [badmatch, pending_errors, nil_arith, top_of_stacktrace,
+ stacktrace, nested_stacktrace, raise, gunilla, per,
exception_with_heap_frag, line_numbers].
-define(try_match(E),
@@ -241,7 +241,54 @@ ba_bnot(A) ->
io:format("bnot ~p", [A]),
{'EXIT', {badarith, _}} = (catch bnot A).
+%% Test that BIFs are added to the top of the stacktrace.
+
+top_of_stacktrace(Conf) when is_list(Conf) ->
+ %% Arithmetic operators
+ {'EXIT', {badarith, [{erlang, '+', [1, ok], _} | _]}} = (catch my_add(1, ok)),
+ {'EXIT', {badarith, [{erlang, '-', [1, ok], _} | _]}} = (catch my_minus(1, ok)),
+ {'EXIT', {badarith, [{erlang, '*', [1, ok], _} | _]}} = (catch my_times(1, ok)),
+ {'EXIT', {badarith, [{erlang, 'div', [1, ok], _} | _]}} = (catch my_div(1, ok)),
+ {'EXIT', {badarith, [{erlang, 'div', [1, 0], _} | _]}} = (catch my_div(1, 0)),
+ {'EXIT', {badarith, [{erlang, 'rem', [1, ok], _} | _]}} = (catch my_rem(1, ok)),
+ {'EXIT', {badarith, [{erlang, 'rem', [1, 0], _} | _]}} = (catch my_rem(1, 0)),
+
+ %% Bit operators
+ {'EXIT', {badarith, [{erlang, 'band', [1, ok], _} | _]}} = (catch my_band(1, ok)),
+ {'EXIT', {badarith, [{erlang, 'bor', [1, ok], _} | _]}} = (catch my_bor(1, ok)),
+ {'EXIT', {badarith, [{erlang, 'bsl', [1, ok], _} | _]}} = (catch my_bsl(1, ok)),
+ {'EXIT', {badarith, [{erlang, 'bsr', [1, ok], _} | _]}} = (catch my_bsr(1, ok)),
+ {'EXIT', {badarith, [{erlang, 'bxor', [1, ok], _} | _]}} = (catch my_bxor(1, ok)),
+ {'EXIT', {badarith, [{erlang, 'bnot', [ok], _} | _]}} = (catch my_bnot(ok)),
+
+ %% Tuples
+ {'EXIT', {badarg, [{erlang, element, [1, ok], _} | _]}} = (catch my_element(1, ok)),
+ {'EXIT', {badarg, [{erlang, element, [ok, {}], _} | _]}} = (catch my_element(ok, {})),
+ {'EXIT', {badarg, [{erlang, element, [1, {}], _} | _]}} = (catch my_element(1, {})),
+ {'EXIT', {badarg, [{erlang, element, [1, {}], _} | _]}} = (catch element(1, erlang:make_tuple(0, ok))),
+
+ %% System limits
+ Maxbig = maxbig(),
+ MinusMaxbig = -Maxbig,
+ {'EXIT', {system_limit, [{erlang, '+', [Maxbig, 1], _} | _]}} = (catch my_add(Maxbig, 1)),
+ {'EXIT', {system_limit, [{erlang, '+', [Maxbig, 1], _} | _]}} = (catch my_add(maxbig_gc(), 1)),
+ {'EXIT', {system_limit, [{erlang, '-', [MinusMaxbig, 1], _} | _]}} = (catch my_minus(-Maxbig, 1)),
+ {'EXIT', {system_limit, [{erlang, '-', [MinusMaxbig, 1], _} | _]}} = (catch my_minus(-maxbig_gc(), 1)),
+ {'EXIT', {system_limit, [{erlang, '*', [Maxbig, 2], _} | _]}} = (catch my_times(Maxbig, 2)),
+ {'EXIT', {system_limit, [{erlang, '*', [Maxbig, 2], _} | _]}} = (catch my_times(maxbig_gc(), 2)),
+ {'EXIT', {system_limit, [{erlang, 'bnot', [Maxbig], _} | _]}} = (catch my_bnot(Maxbig)),
+ {'EXIT', {system_limit, [{erlang, 'bnot', [Maxbig], _} | _]}} = (catch my_bnot(maxbig_gc())),
+ ok.
+
+maxbig() ->
+ %% We assume that the maximum arity is (1 bsl 19) - 1.
+ Ws = erlang:system_info(wordsize),
+ (((1 bsl ((16777184 * (Ws div 4))-1)) - 1) bsl 1) + 1.
+maxbig_gc() ->
+ Maxbig = maxbig(),
+ erlang:garbage_collect(),
+ Maxbig.
stacktrace(Conf) when is_list(Conf) ->
Tag = make_ref(),
@@ -253,9 +300,9 @@ stacktrace(Conf) when is_list(Conf) ->
St1 = erase(stacktrace1),
St1 = erase(stacktrace2),
St1 = erlang:get_stacktrace(),
- {caught2,{error,badarith},[{?MODULE,my_add,2,_}|_]=St2} =
+ {caught2,{error,badarith},[{erlang,'+',[0,a],_},{?MODULE,my_add,2,_}|_]=St2} =
stacktrace_1({'div',{1,0}}, error, {'add',{0,a}}),
- [{?MODULE,my_div,2,_}|_] = erase(stacktrace1),
+ [{erlang,'div',[1,0],_},{?MODULE,my_div,2,_}|_] = erase(stacktrace1),
St2 = erase(stacktrace2),
St2 = erlang:get_stacktrace(),
{caught2,{error,{try_clause,V}},[{?MODULE,stacktrace_1,3,_}|_]=St3} =
@@ -308,13 +355,13 @@ nested_stacktrace(Conf) when is_list(Conf) ->
nested_stacktrace_1({{value,{V,x1}},void,{V,x1}},
{void,void,void}),
{caught1,
- [{?MODULE,my_add,2,_}|_],
+ [{erlang,'+',[V,x1],_},{?MODULE,my_add,2,_}|_],
value2,
- [{?MODULE,my_add,2,_}|_]} =
+ [{erlang,'+',[V,x1],_},{?MODULE,my_add,2,_}|_]} =
nested_stacktrace_1({{'add',{V,x1}},error,badarith},
{{value,{V,x2}},void,{V,x2}}),
{caught1,
- [{?MODULE,my_add,2,_}|_],
+ [{erlang,'+',[V,x1],_},{?MODULE,my_add,2,_}|_],
{caught2,[{erlang,abs,[V],_}|_]},
[{erlang,abs,[V],_}|_]} =
nested_stacktrace_1({{'add',{V,x1}},error,badarith},
@@ -355,7 +402,7 @@ raise(Conf) when is_list(Conf) ->
end,
A = erlang:get_stacktrace(),
A = get(raise),
- [{?MODULE,my_div,2,_}|_] = A,
+ [{erlang,'div',[1, 0], _},{?MODULE,my_div,2,_}|_] = A,
%%
N = 8, % Must be even
N = erlang:system_flag(backtrace_depth, N),
@@ -404,11 +451,20 @@ foo({raise,{Class,Reason,Stacktrace}}) ->
erlang:raise(Class, Reason, Stacktrace).
%%foo(function_clause) -> % must not be defined!
-my_div(A, B) ->
- A div B.
+my_add(A, B) -> A + B.
+my_minus(A, B) -> A - B.
+my_times(A, B) -> A * B.
+my_div(A, B) -> A div B.
+my_rem(A, B) -> A rem B.
+
+my_band(A, B) -> A band B.
+my_bor(A, B) -> A bor B.
+my_bsl(A, B) -> A bsl B.
+my_bsr(A, B) -> A bsr B.
+my_bxor(A, B) -> A bxor B.
+my_bnot(A) -> bnot A.
-my_add(A, B) ->
- A + B.
+my_element(A, B) -> element(A, B).
my_abs(X) -> abs(X).