diff options
Diffstat (limited to 'erts/emulator/test/binary_SUITE.erl')
-rw-r--r-- | erts/emulator/test/binary_SUITE.erl | 249 |
1 files changed, 161 insertions, 88 deletions
diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl index a340a805b5..938aac6a0e 100644 --- a/erts/emulator/test/binary_SUITE.erl +++ b/erts/emulator/test/binary_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -58,10 +58,10 @@ ordering/1,unaligned_order/1,gc_test/1, bit_sized_binary_sizes/1, otp_6817/1,deep/1,obsolete_funs/1,robustness/1,otp_8117/1, - otp_8180/1, ttb_trap/1]). + otp_8180/1, trapping/1]). %% Internal exports. --export([sleeper/0,ttb_loop/2]). +-export([sleeper/0,trapping_loop/4]). suite() -> [{ct_hooks,[ts_install_cth]}, {timetrap,{minutes,2}}]. @@ -76,7 +76,7 @@ all() -> bad_term_to_binary, more_bad_terms, otp_5484, otp_5933, ordering, unaligned_order, gc_test, bit_sized_binary_sizes, otp_6817, otp_8117, deep, - obsolete_funs, robustness, otp_8180, ttb_trap]. + obsolete_funs, robustness, otp_8180, trapping]. groups() -> []. @@ -447,26 +447,26 @@ terms(Config) when is_list(Config) -> Sz1 when is_integer(Sz1), size(Bin1) =< Sz1 -> ok end, - Term = binary_to_term(Bin), - Term = binary_to_term(Bin, [safe]), + Term = binary_to_term_stress(Bin), + Term = binary_to_term_stress(Bin, [safe]), Unaligned = make_unaligned_sub_binary(Bin), - Term = binary_to_term(Unaligned), - Term = binary_to_term(Unaligned, []), - Term = binary_to_term(Bin, [safe]), + Term = binary_to_term_stress(Unaligned), + Term = binary_to_term_stress(Unaligned, []), + Term = binary_to_term_stress(Bin, [safe]), BinC = erlang:term_to_binary(Term, [compressed]), - Term = binary_to_term(BinC), + Term = binary_to_term_stress(BinC), true = size(BinC) =< size(Bin), Bin = term_to_binary(Term, [{compressed,0}]), terms_compression_levels(Term, size(Bin), 1), UnalignedC = make_unaligned_sub_binary(BinC), - Term = binary_to_term(UnalignedC) + Term = binary_to_term_stress(UnalignedC) end, ?line test_terms(TestFun), ok. terms_compression_levels(Term, UncompressedSz, Level) when Level < 10 -> BinC = erlang:term_to_binary(Term, [{compressed,Level}]), - Term = binary_to_term(BinC), + Term = binary_to_term_stress(BinC), Sz = byte_size(BinC), true = Sz =< UncompressedSz, terms_compression_levels(Term, UncompressedSz, Level+1); @@ -474,23 +474,23 @@ terms_compression_levels(_, _, _) -> ok. terms_float(Config) when is_list(Config) -> ?line test_floats(fun(Term) -> - Bin0 = term_to_binary(Term), Bin0 = term_to_binary(Term, [{minor_version,0}]), - Term = binary_to_term(Bin0), + Term = binary_to_term_stress(Bin0), + Bin1 = term_to_binary(Term), Bin1 = term_to_binary(Term, [{minor_version,1}]), - Term = binary_to_term(Bin1), + Term = binary_to_term_stress(Bin1), true = size(Bin1) < size(Bin0), - Size0 = erlang:external_size(Term), - Size00 = erlang:external_size(Term, [{minor_version, 0}]), - Size1 = erlang:external_size(Term, [{minor_version, 1}]), - true = (Size0 =:= Size00), + Size0 = erlang:external_size(Term, [{minor_version, 0}]), + Size1 = erlang:external_size(Term), + Size11 = erlang:external_size(Term, [{minor_version, 1}]), + true = (Size1 =:= Size11), true = Size1 < Size0 end). float_middle_endian(Config) when is_list(Config) -> %% Testing for roundtrip is not enough. ?line <<131,70,63,240,0,0,0,0,0,0>> = term_to_binary(1.0, [{minor_version,1}]), - ?line 1.0 = binary_to_term(<<131,70,63,240,0,0,0,0,0,0>>). + ?line 1.0 = binary_to_term_stress(<<131,70,63,240,0,0,0,0,0,0>>). external_size(Config) when is_list(Config) -> %% Build a term whose external size only fits in a big num (on 32-bit CPU). @@ -506,8 +506,8 @@ external_size(Config) when is_list(Config) -> io:format("Unaligned size: ~p\n", [Sz2]), ?line ?t:fail() end, - ?line erlang:external_size(Bin) =:= erlang:external_size(Bin, [{minor_version, 1}]), - ?line erlang:external_size(Unaligned) =:= erlang:external_size(Unaligned, [{minor_version, 1}]). + true = (erlang:external_size(Bin) =:= erlang:external_size(Bin, [{minor_version, 1}])), + true = (erlang:external_size(Unaligned) =:= erlang:external_size(Unaligned, [{minor_version, 1}])). external_size_1(Term, Size0, Limit) when Size0 < Limit -> case erlang:external_size(Term) of @@ -608,10 +608,10 @@ bad_binary_to_term(Config) when is_list(Config) -> ok. bad_bin_to_term(BadBin) -> - {'EXIT',{badarg,_}} = (catch binary_to_term(BadBin)). + {'EXIT',{badarg,_}} = (catch binary_to_term_stress(BadBin)). bad_bin_to_term(BadBin,Opts) -> - {'EXIT',{badarg,_}} = (catch binary_to_term(BadBin,Opts)). + {'EXIT',{badarg,_}} = (catch binary_to_term_stress(BadBin,Opts)). safe_binary_to_term2(doc) -> "Test safety options for binary_to_term/2"; safe_binary_to_term2(Config) when is_list(Config) -> @@ -622,7 +622,7 @@ safe_binary_to_term2(Config) when is_list(Config) -> BadRef = <<131,114,0,3,BadHostAtom/binary,0,<<0,0,0,255>>/binary, Empty/binary,Empty/binary>>, ?line bad_bin_to_term(BadRef, [safe]), % good ref, with a bad atom - ?line fullsweep_after = binary_to_term(<<131,100,0,15,"fullsweep_after">>, [safe]), % should be a good atom + ?line fullsweep_after = binary_to_term_stress(<<131,100,0,15,"fullsweep_after">>, [safe]), % should be a good atom BadExtFun = <<131,113,100,0,4,98,108,117,101,100,0,4,109,111,111,110,97,3>>, ?line bad_bin_to_term(BadExtFun, [safe]), ok. @@ -679,14 +679,14 @@ corrupter0(Term) -> corrupter(Bin, Pos) when Pos >= 0 -> ?line {ShorterBin, Rest} = split_binary(Bin, Pos), - ?line catch binary_to_term(ShorterBin), %% emulator shouldn't crash + ?line catch binary_to_term_stress(ShorterBin), %% emulator shouldn't crash ?line MovedBin = list_to_binary([ShorterBin]), - ?line catch binary_to_term(MovedBin), %% emulator shouldn't crash + ?line catch binary_to_term_stress(MovedBin), %% emulator shouldn't crash %% Bit faults, shouldn't crash <<Byte,Tail/binary>> = Rest, Fun = fun(M) -> FaultyByte = Byte bxor M, - catch binary_to_term(<<ShorterBin/binary, + catch binary_to_term_stress(<<ShorterBin/binary, FaultyByte, Tail/binary>>) end, ?line lists:foreach(Fun,[1,2,4,8,16,32,64,128,255]), ?line corrupter(Bin, Pos-1); @@ -700,7 +700,7 @@ more_bad_terms(Config) when is_list(Config) -> ?line ok = io:format("File: ~s\n", [BadFile]), ?line case file:read_file(BadFile) of {ok,Bin} -> - ?line {'EXIT',{badarg,_}} = (catch binary_to_term(Bin)), + ?line {'EXIT',{badarg,_}} = (catch binary_to_term_stress(Bin)), ok; Other -> ?line ?t:fail(Other) @@ -709,7 +709,7 @@ more_bad_terms(Config) when is_list(Config) -> otp_5484(Config) when is_list(Config) -> ?line {'EXIT',_} = (catch - binary_to_term( + binary_to_term_stress( <<131, 104,2, %Tuple, 2 elements 103, %Pid @@ -722,7 +722,7 @@ otp_5484(Config) when is_list(Config) -> ?line {'EXIT',_} = (catch - binary_to_term( + binary_to_term_stress( <<131, 104,2, %Tuple, 2 elements 103, %Pid @@ -734,13 +734,13 @@ otp_5484(Config) when is_list(Config) -> ?line {'EXIT',_} = (catch - binary_to_term( + binary_to_term_stress( %% A old-type fun in a list containing a bad creator pid. <<131,108,0,0,0,1,117,0,0,0,0,103,100,0,13,110,111,110,111,100,101,64,110,111,104,111,115,116,255,255,0,25,255,0,0,0,0,100,0,1,116,97,0,98,6,142,121,72,106>>)), ?line {'EXIT',_} = (catch - binary_to_term( + binary_to_term_stress( %% A new-type fun in a list containing a bad creator pid. %% <<131, @@ -752,7 +752,7 @@ otp_5484(Config) when is_list(Config) -> ?line {'EXIT',_} = (catch - binary_to_term( + binary_to_term_stress( %% A new-type fun in a list containing a bad module. <<131, 108,0,0,0,1, %List, 1 element @@ -763,7 +763,7 @@ otp_5484(Config) when is_list(Config) -> ?line {'EXIT',_} = (catch - binary_to_term( + binary_to_term_stress( %% A new-type fun in a list containing a bad index. <<131, 108,0,0,0,1, %List, 1 element @@ -775,7 +775,7 @@ otp_5484(Config) when is_list(Config) -> ?line {'EXIT',_} = (catch - binary_to_term( + binary_to_term_stress( %% A new-type fun in a list containing a bad unique value. <<131, 108,0,0,0,1, %List, 1 element @@ -788,46 +788,46 @@ otp_5484(Config) when is_list(Config) -> %% An absurdly large atom. ?line {'EXIT',_} = - (catch binary_to_term(iolist_to_binary([<<131,100,65000:16>>| + (catch binary_to_term_stress(iolist_to_binary([<<131,100,65000:16>>| lists:duplicate(65000, 42)]))), %% Longer than 255 characters. ?line {'EXIT',_} = - (catch binary_to_term(iolist_to_binary([<<131,100,256:16>>| + (catch binary_to_term_stress(iolist_to_binary([<<131,100,256:16>>| lists:duplicate(256, 42)]))), %% OTP-7218. Thanks to Matthew Dempsky. Also make sure that we %% cover the other error cases for external funs (EXPORT_EXT). ?line {'EXIT',_} = - (catch binary_to_term( + (catch binary_to_term_stress( <<131, 113, %EXPORT_EXP 97,13, %Integer: 13 97,13, %Integer: 13 97,13>>)), %Integer: 13 ?line {'EXIT',_} = - (catch binary_to_term( + (catch binary_to_term_stress( <<131, 113, %EXPORT_EXP 100,0,1,64, %Atom: '@' 97,13, %Integer: 13 97,13>>)), %Integer: 13 ?line {'EXIT',_} = - (catch binary_to_term( + (catch binary_to_term_stress( <<131, 113, %EXPORT_EXP 100,0,1,64, %Atom: '@' 100,0,1,64, %Atom: '@' 106>>)), %NIL ?line {'EXIT',_} = - (catch binary_to_term( + (catch binary_to_term_stress( <<131, 113, %EXPORT_EXP 100,0,1,64, %Atom: '@' 100,0,1,64, %Atom: '@' 98,255,255,255,255>>)), %Integer: -1 ?line {'EXIT',_} = - (catch binary_to_term( + (catch binary_to_term_stress( <<131, 113, %EXPORT_EXP 100,0,1,64, %Atom: '@' @@ -835,7 +835,7 @@ otp_5484(Config) when is_list(Config) -> 113,97,13,97,13,97,13>>)), %fun 13:13/13 %% Bad funs. - ?line {'EXIT',_} = (catch binary_to_term(fake_fun(0, lists:seq(0, 256)))), + ?line {'EXIT',_} = (catch binary_to_term_stress(fake_fun(0, lists:seq(0, 256)))), ok. fake_fun(Arity, Env0) -> @@ -869,7 +869,7 @@ try_bad_lengths(B) -> try_bad_lengths(B, L) when L > 16#FFFFFFF0 -> Bin = <<B/binary,L:32>>, io:format("~p\n", [Bin]), - {'EXIT',_} = (catch binary_to_term(Bin)), + {'EXIT',_} = (catch binary_to_term_stress(Bin)), try_bad_lengths(B, L-1); try_bad_lengths(_, _) -> ok. @@ -923,7 +923,7 @@ otp_6817_try_bin(Bin) -> %% If the bug is present, the heap pointer will moved when the invalid term %% is found and we will have a linked list passing through the limbo area %% between the heap top and the stack pointer. - catch binary_to_term(Bin), + catch binary_to_term_stress(Bin), %% If the bug is present, we will overwrite the pointers in the limbo area. Filler = erlang:make_tuple(1024, 16#3FA), @@ -935,7 +935,7 @@ otp_6817_try_bin(Bin) -> otp_8117(doc) -> "Some bugs in binary_to_term when 32-bit integers are negative."; otp_8117(suite) -> []; otp_8117(Config) when is_list(Config) -> - [otp_8117_do(Op,-(1 bsl N)) || Op <- ['fun',list,tuple], + [otp_8117_do(Op,-(1 bsl N)) || Op <- ['fun',named_fun,list,tuple], N <- lists:seq(0,31)], ok. @@ -944,6 +944,11 @@ otp_8117_do('fun',Neg) -> FunBin = term_to_binary(fun() -> ok end), ?line <<B1:27/binary,_NumFree:32,Rest/binary>> = FunBin, ?line bad_bin_to_term(<<B1/binary,Neg:32,Rest/binary>>); +otp_8117_do(named_fun,Neg) -> + % Named fun with negative num_free + FunBin = term_to_binary(fun F() -> F end), + ?line <<B1:27/binary,_NumFree:32,Rest/binary>> = FunBin, + ?line bad_bin_to_term(<<B1/binary,Neg:32,Rest/binary>>); otp_8117_do(list,Neg) -> %% List with negative length ?line bad_bin_to_term(<<131,104,2,108,Neg:32,97,11,104,1,97,12,97,13,106,97,14>>); @@ -1233,24 +1238,35 @@ bit_sized_binary_sizes(Config) when is_list(Config) -> bsbs_1(A) -> BinSize = 32+A, io:format("A: ~p BinSize: ~p", [A,BinSize]), - Bin = binary_to_term(<<131,$M,5:32,A,0,0,0,0,0>>), + Bin = binary_to_term_stress(<<131,$M,5:32,A,0,0,0,0,0>>), BinSize = bit_size(Bin). +%% lists:foldl(_,_,lists:seq(_,_)) with less heap consumption +lists_foldl_seq(Fun, Acc0, N, To) when N =< To -> + Acc1 = Fun(N, Acc0), + lists_foldl_seq(Fun, Acc1, N+1, To); + +lists_foldl_seq(_, Acc, _, _) -> + Acc. + deep(Config) when is_list(Config) -> - ?line deep_roundtrip(lists:foldl(fun(E, A) -> - [E,A] - end, [], lists:seq(1, 1000000))), - ?line deep_roundtrip(lists:foldl(fun(E, A) -> - {E,A} - end, [], lists:seq(1, 1000000))), - ?line deep_roundtrip(lists:foldl(fun(E, A) -> - fun() -> {E,A} end - end, [], lists:seq(1, 1000000))), + deep_roundtrip(lists_foldl_seq(fun(E, A) -> + [E,A] + end, [], 1, 1000000)), + erlang:garbage_collect(), + deep_roundtrip(lists_foldl_seq(fun(E, A) -> + {E,A} + end, [], 1, 1000000)), + erlang:garbage_collect(), + deep_roundtrip(lists_foldl_seq(fun(E, A) -> + fun() -> {E,A} end + end, [], 1, 1000000)), + erlang:garbage_collect(), ok. deep_roundtrip(T) -> B = term_to_binary(T), - T = binary_to_term(B). + T = binary_to_term_stress(B). obsolete_funs(Config) when is_list(Config) -> erts_debug:set_internal_state(available_internal_state, true), @@ -1285,29 +1301,29 @@ obsolete_fun(Fun) -> Tuple = no_fun_roundtrip(Fun). no_fun_roundtrip(Term) -> - binary_to_term(erts_debug:get_internal_state({term_to_binary_no_funs,Term})). + binary_to_term_stress(erts_debug:get_internal_state({term_to_binary_no_funs,Term})). %% Test non-standard encodings never generated by term_to_binary/1 %% but recognized by binary_to_term/1. robustness(Config) when is_list(Config) -> - ?line [] = binary_to_term(<<131,107,0,0>>), %Empty string. - ?line [] = binary_to_term(<<131,108,0,0,0,0,106>>), %Zero-length list. + ?line [] = binary_to_term_stress(<<131,107,0,0>>), %Empty string. + ?line [] = binary_to_term_stress(<<131,108,0,0,0,0,106>>), %Zero-length list. %% {[],a} where [] is a zero-length list. - ?line {[],a} = binary_to_term(<<131,104,2,108,0,0,0,0,106,100,0,1,97>>), + ?line {[],a} = binary_to_term_stress(<<131,104,2,108,0,0,0,0,106,100,0,1,97>>), %% {42,a} where 42 is a zero-length list with 42 in the tail. - ?line {42,a} = binary_to_term(<<131,104,2,108,0,0,0,0,97,42,100,0,1,97>>), + ?line {42,a} = binary_to_term_stress(<<131,104,2,108,0,0,0,0,97,42,100,0,1,97>>), %% {{x,y},a} where {x,y} is a zero-length list with {x,y} in the tail. - ?line {{x,y},a} = binary_to_term(<<131,104,2,108,0,0,0,0, + ?line {{x,y},a} = binary_to_term_stress(<<131,104,2,108,0,0,0,0, 104,2,100,0,1,120,100,0,1, 121,100,0,1,97>>), %% Bignums fitting in 32 bits. - ?line 16#7FFFFFFF = binary_to_term(<<131,98,127,255,255,255>>), - ?line -1 = binary_to_term(<<131,98,255,255,255,255>>), + ?line 16#7FFFFFFF = binary_to_term_stress(<<131,98,127,255,255,255>>), + ?line -1 = binary_to_term_stress(<<131,98,255,255,255,255>>), ok. @@ -1325,40 +1341,48 @@ run_otp_8180(Name) -> ?line {ok,Bins} = file:consult(Name), [begin io:format("~p\n", [Bin]), - ?line {'EXIT',{badarg,_}} = (catch binary_to_term(Bin)) + ?line {'EXIT',{badarg,_}} = (catch binary_to_term_stress(Bin)) end || Bin <- Bins], ok. -%% Test that exit and GC during term_to_binary trap does not crash. -ttb_trap(Config) when is_list(Config)-> - case erlang:system_info(wordsize) of - N when N < 8 -> - {skipped, "Only on 64bit machines"}; - _ -> - do_ttb_trap(5) - end. +%% Test that exit and GC during trapping term_to_binary and binary_to_term +%% does not crash. +trapping(Config) when is_list(Config)-> + do_trapping(5, term_to_binary, + fun() -> [lists:duplicate(2000000,2000000)] end), + do_trapping(5, binary_to_term, + fun() -> [term_to_binary(lists:duplicate(2000000,2000000))] end). -do_ttb_trap(0) -> +do_trapping(0, _, _) -> ok; -do_ttb_trap(N) -> - Pid = spawn(?MODULE,ttb_loop,[1000,self()]), +do_trapping(N, Bif, ArgFun) -> + io:format("N=~p: Do ~p ~s gc.\n", [N, Bif, case N rem 2 of 0 -> "with"; 1 -> "without" end]), + Pid = spawn(?MODULE,trapping_loop,[Bif, ArgFun, 1000, self()]), receive ok -> ok end, receive after 100 -> ok end, - erlang:garbage_collect(Pid), - receive after 100 -> ok end, + Ref = make_ref(), + case N rem 2 of + 0 -> erlang:garbage_collect(Pid, [{async,Ref}]), + receive after 100 -> ok end; + 1 -> void + end, exit(Pid,kill), + case N rem 2 of + 0 -> receive {garbage_collect, Ref, _} -> ok end; + 1 -> void + end, receive after 1 -> ok end, - do_ttb_trap(N-1). + do_trapping(N-1, Bif, ArgFun). -ttb_loop(N,Pid) -> - Term = lists:duplicate(2000000,2000000), +trapping_loop(Bif, ArgFun, N, Pid) -> + Args = ArgFun(), Pid ! ok, - ttb_loop2(N,Term). -ttb_loop2(0,_T) -> + trapping_loop2(Bif,Args,N). +trapping_loop2(_,_,0) -> ok; -ttb_loop2(N,T) -> - apply(erlang,term_to_binary,[T]), - ttb_loop2(N-1,T). +trapping_loop2(Bif,Args,N) -> + apply(erlang,Bif,Args), + trapping_loop2(Bif, Args, N-1). %% Utilities. @@ -1394,3 +1418,52 @@ unaligned_sub_bin(Bin0, Offs) -> Bin. id(I) -> I. + + +%% Stress binary_to_term with different initial reductions +binary_to_term_stress(Bin) -> + binary_to_term_stress(Bin, no_opts). + +binary_to_term_stress(Bin, Opts) -> + Reds = get_reds(), + T = b2t(erlang:system_info(context_reductions), + Bin, Opts, catch_binary_to_term(Bin, Opts)), + set_reds(Reds), + T = case Opts of + no_opts -> binary_to_term(Bin); + _ -> binary_to_term(Bin,Opts) + end. + +catch_binary_to_term(Bin, no_opts) -> + try binary_to_term(Bin) + catch + error:badarg -> binary_to_term_throws_badarg + end; +catch_binary_to_term(Bin, Opts) -> + try binary_to_term(Bin, Opts) + catch + error:badarg -> binary_to_term_throws_badarg + end. + +b2t(0, _Bin, _Opts, Term) -> + Term; +b2t(Reds, Bin, Opts, Term) -> + set_reds(Reds), + Term = catch_binary_to_term(Bin,Opts), + b2t(Reds div 3, Bin, Opts, Term). + +set_reds(Reds) -> + try erts_debug:set_internal_state(reds_left, Reds) + catch + error:undef -> + erts_debug:set_internal_state(available_internal_state, true), + set_reds(Reds) + end. + +get_reds() -> + try erts_debug:get_internal_state(reds_left) + catch + error:undef -> + erts_debug:set_internal_state(available_internal_state, true), + get_reds() + end. |