diff options
Diffstat (limited to 'lib/debugger/test/exception_SUITE.erl')
| -rw-r--r-- | lib/debugger/test/exception_SUITE.erl | 249 |
1 files changed, 221 insertions, 28 deletions
diff --git a/lib/debugger/test/exception_SUITE.erl b/lib/debugger/test/exception_SUITE.erl index 8c864e4b5f..d2779d943a 100644 --- a/lib/debugger/test/exception_SUITE.erl +++ b/lib/debugger/test/exception_SUITE.erl @@ -23,7 +23,8 @@ -export([all/0, suite/0,groups/0,init_per_group/2,end_per_group/2, init_per_testcase/2,end_per_testcase/2, init_per_suite/1,end_per_suite/1, - badmatch/1,pending_errors/1,nil_arith/1]). + badmatch/1,pending_errors/1,nil_arith/1, + stacktrace/1,nested_stacktrace/1,raise/1,gunilla/1,per/1]). -export([bad_guy/2]). @@ -45,7 +46,8 @@ end_per_group(_GroupName, Config) -> cases() -> - [badmatch, pending_errors, nil_arith]. + [badmatch, pending_errors, nil_arith, stacktrace, + nested_stacktrace, raise, gunilla, per]. -define(try_match(E), catch ?MODULE:bar(), @@ -69,9 +71,9 @@ init_per_suite(Config) when is_list(Config) -> end_per_suite(Config) when is_list(Config) -> ok. -badmatch(doc) -> "Test that deliberately bad matches are reported correctly."; -badmatch(suite) -> []; -badmatch(Config) when list(Config) -> +%% Test that deliberately bad matches are reported correctly. + +badmatch(Config) when is_list(Config) -> ?line ?try_match(a), ?line ?try_match(42), ?line ?try_match({a, b, c}), @@ -79,11 +81,9 @@ badmatch(Config) when list(Config) -> ?line ?try_match(1.0), ok. -pending_errors(doc) -> - ["Test various exceptions, in the presence of a previous error suppressed ", - "in a guard."]; -pending_errors(suite) -> []; -pending_errors(Config) when list(Config) -> +%% Test various exceptions, in the presence of a previous error suppressed +%% in a guard. +pending_errors(Config) when is_list(Config) -> ?line pending(e_badmatch, {badmatch, b}), ?line pending(x, function_clause), ?line pending(e_case, {case_clause, xxx}), @@ -100,7 +100,7 @@ bad_guy(pe_badarith, Other) when Other+1 == 0 -> % badarith (suppressed) bad_guy(pe_badarg, Other) when length(Other) > 0 -> % badarg (suppressed) ok; bad_guy(_, e_case) -> - case xxx of + case id(xxx) of ok -> ok end; % case_clause bad_guy(_, e_if) -> @@ -121,7 +121,7 @@ bad_guy(_, e_badarg) -> bad_guy(_, e_badarg_spawn) -> spawn({}, {}, {}); % badarg bad_guy(_, e_badmatch) -> - a = b. % badmatch + a = id(b). % badmatch pending(Arg, Expected) -> pending(pe_badarith, Arg, Expected), @@ -155,28 +155,21 @@ pending_exit_message(Args, Expected) -> end, process_flag(trap_exit, false). -pending({badarg,[{erlang,Bif,BifArgs},{?MODULE,Func,Arity}|_]}, Func, Args, _Code) - when atom(Bif), list(BifArgs), length(Args) == Arity -> %Threaded code. - ok; -pending({badarg,[{erlang,Bif,BifArgs},{?MODULE,Func,Args}|_]}, Func, Args, _Code) - when atom(Bif), list(BifArgs) -> %From interpreted code. +pending({badarg, [{erlang,Bif,BifArgs},{?MODULE,Func,Arity}|_]}, Func, Args, _Code) + when is_atom(Bif), is_list(BifArgs), length(Args) == Arity -> ok; pending({undef,[{non_existing_module,foo,[]}|_]}, _, _, _) -> ok; pending({function_clause,[{?MODULE,Func,Args}|_]}, Func, Args, _Code) -> ok; -pending({Code,[{?MODULE,Func,Arity}|_]}, Func, Args, Code) when length(Args) == Arity -> %Threaded code +pending({Code,[{?MODULE,Func,Arity}|_]}, Func, Args, Code) when length(Args) == Arity -> ok; -pending({Code,[{?MODULE,Func,Args}|_]}, Func, Args, Code) -> %From interpreted code. - ok; -pending(Reason, Func, Args, Code) -> - test_server:fail({bad_exit_reason,Reason,{Func,Args,Code}}). - -nil_arith(doc) -> - "Test that doing arithmetics on [] gives a badarith EXIT and not a crash."; -nil_arith(suite) -> - []; -nil_arith(Config) when list(Config) -> +pending(Reason, _Function, _Args, _Code) -> + test_server:fail({bad_exit_reason,Reason}). + +%% Test that doing arithmetics on [] gives a badarith EXIT and not a crash. + +nil_arith(Config) when is_list(Config) -> ?line ba_plus_minus_times([], []), ?line ba_plus_minus_times([], 0), @@ -268,3 +261,203 @@ ba_shift(A, B) -> ba_bnot(A) -> io:format("bnot ~p", [A]), {'EXIT', {badarith, _}} = (catch bnot A). + +stacktrace(Conf) when is_list(Conf) -> + Tag = make_ref(), + ?line {_,Mref} = spawn_monitor(fun() -> exit({Tag,erlang:get_stacktrace()}) end), + ?line {Tag,[]} = receive {'DOWN',Mref,_,_,Info} -> Info end, + V = [make_ref()|self()], + ?line {value2,{caught1,badarg,[{erlang,abs,[V]}|_]=St1}} = + stacktrace_1({'abs',V}, error, {value,V}), + ?line St1 = erase(stacktrace1), + ?line St1 = erase(stacktrace2), + ?line St1 = erlang:get_stacktrace(), + ?line {caught2,{error,badarith},[{?MODULE,my_add,2}|_]=St2} = + stacktrace_1({'div',{1,0}}, error, {'add',{0,a}}), + ?line [{?MODULE,my_div,2}|_] = erase(stacktrace1), + ?line St2 = erase(stacktrace2), + ?line St2 = erlang:get_stacktrace(), + ?line {caught2,{error,{try_clause,V}},[{?MODULE,stacktrace_1,3}|_]=St3} = + stacktrace_1({value,V}, error, {value,V}), + ?line St3 = erase(stacktrace1), + ?line St3 = erase(stacktrace2), + ?line St3 = erlang:get_stacktrace(), + ?line {caught2,{throw,V},[{?MODULE,foo,1}|_]=St4} = + stacktrace_1({value,V}, error, {throw,V}), + ?line [{?MODULE,stacktrace_1,3}|_] = erase(stacktrace1), + ?line St4 = erase(stacktrace2), + ?line St4 = erlang:get_stacktrace(), + ok. + +stacktrace_1(X, C1, Y) -> + erase(stacktrace1), + erase(stacktrace2), + try try foo(X) of + C1 -> value1 + catch + C1:D1 -> {caught1,D1,erlang:get_stacktrace()} + after + put(stacktrace1, erlang:get_stacktrace()), + foo(Y) + end of + V2 -> {value2,V2} + catch + C2:D2 -> {caught2,{C2,D2},erlang:get_stacktrace()} + after + put(stacktrace2, erlang:get_stacktrace()) + end. + + + +nested_stacktrace(Conf) when is_list(Conf) -> + V = [{make_ref()}|[self()]], + ?line value1 = + nested_stacktrace_1({{value,{V,x1}},void,{V,x1}}, + {void,void,void}), + ?line {caught1, + [{?MODULE,my_add,2}|_], + value2, + [{?MODULE,my_add,2}|_]} = + nested_stacktrace_1({{'add',{V,x1}},error,badarith}, + {{value,{V,x2}},void,{V,x2}}), + ?line {caught1, + [{?MODULE,my_add,2}|_], + {caught2,[{erlang,abs,[V]}|_]}, + [{erlang,abs,[V]}|_]} = + nested_stacktrace_1({{'add',{V,x1}},error,badarith}, + {{'abs',V},error,badarg}), + ok. + +nested_stacktrace_1({X1,C1,V1}, {X2,C2,V2}) -> + try foo(X1) of + V1 -> value1 + catch + C1:V1 -> + S1 = erlang:get_stacktrace(), + T2 = + try foo(X2) of + V2 -> value2 + catch + C2:V2 -> {caught2,erlang:get_stacktrace()} + end, + {caught1,S1,T2,erlang:get_stacktrace()} + end. + + + +raise(Conf) when is_list(Conf) -> + ?line erase(raise), + ?line A = + try + ?line try foo({'div',{1,0}}) + catch + error:badarith -> + put(raise, A0 = erlang:get_stacktrace()), + ?line erlang:raise(error, badarith, A0) + end + catch + error:badarith -> + ?line A1 = erlang:get_stacktrace(), + ?line A1 = get(raise) + end, + ?line A = erlang:get_stacktrace(), + ?line A = get(raise), + ?line [{?MODULE,my_div,2}|_] = A, + %% + N = 8, % Must be even + ?line N = erlang:system_flag(backtrace_depth, N), + ?line try even(N) + catch error:function_clause -> ok + end, + ?line B = odd_even(N, []), + ?line B = erlang:get_stacktrace(), + %% + ?line C0 = odd_even(N+1, []), + ?line C = lists:sublist(C0, N), + ?line try odd(N+1) + catch error:function_clause -> ok + end, + ?line C = erlang:get_stacktrace(), + ?line try erlang:raise(error, function_clause, C0) + catch error:function_clause -> ok + end, + ?line C = erlang:get_stacktrace(), + ok. + +odd_even(N, R) when is_integer(N), N > 1 -> + odd_even(N-1, + [if (N rem 2) == 0 -> + {?MODULE,even,1}; + true -> + {?MODULE,odd,1} + end|R]); +odd_even(1, R) -> + [{?MODULE,odd,[1]}|R]. + +even(N) when is_integer(N), N > 1, (N rem 2) == 0 -> + odd(N-1)++[N]. + +odd(N) when is_integer(N), N > 1, (N rem 2) == 1 -> + even(N-1)++[N]. + + +foo({value,Value}) -> Value; +foo({'div',{A,B}}) -> + my_div(A, B); +foo({'add',{A,B}}) -> + my_add(A, B); +foo({'abs',X}) -> + my_abs(X); +foo({error,Error}) -> + erlang:error(Error); +foo({throw,Throw}) -> + erlang:throw(Throw); +foo({exit,Exit}) -> + erlang:exit(Exit); +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_abs(X) -> abs(X). + +gunilla(Config) when is_list(Config) -> + ?line {throw,kalle} = gunilla_1(), + ?line [] = erlang:get_stacktrace(), + ok. + +gunilla_1() -> + try try arne() + after + pelle + end + catch + C:R -> + {C,R} + end. + +arne() -> + %% Empty stack trace used to cause change the error class to 'error'. + erlang:raise(throw, kalle, []). + +per(Config) when is_list(Config) -> + try + t1(0,pad,0), + t2(0,pad,0) + catch + error:badarith -> + ok + end. + +t1(_,X,_) -> + (1 bsl X) + 1. + +t2(_,X,_) -> + (X bsl 1) + 1. + +id(I) -> I. |