diff options
Diffstat (limited to 'erts/emulator/test/bs_construct_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/bs_construct_SUITE.erl | 416 |
1 files changed, 209 insertions, 207 deletions
diff --git a/erts/emulator/test/bs_construct_SUITE.erl b/erts/emulator/test/bs_construct_SUITE.erl index 123952d01d..95042ac802 100644 --- a/erts/emulator/test/bs_construct_SUITE.erl +++ b/erts/emulator/test/bs_construct_SUITE.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2012. All Rights Reserved. +%% Copyright Ericsson AB 1999-2016. 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 -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -21,40 +22,33 @@ -module(bs_construct_SUITE). --export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, - init_per_group/2,end_per_group/2, +-export([all/0, suite/0, + init_per_suite/1, end_per_suite/1, test1/1, test2/1, test3/1, test4/1, test5/1, testf/1, not_used/1, in_guard/1, mem_leak/1, coerce_to_float/1, bjorn/1, huge_float_field/1, huge_binary/1, system_limit/1, badarg/1, copy_writable_binary/1, kostis/1, dynamic/1, bs_add/1, - otp_7422/1, zero_width/1, bad_append/1]). + otp_7422/1, zero_width/1, bad_append/1, bs_add_overflow/1]). --include_lib("test_server/include/test_server.hrl"). +-include_lib("common_test/include/ct.hrl"). -suite() -> [{ct_hooks,[ts_install_cth]}]. +suite() -> + [{ct_hooks,[ts_install_cth]}, + {timetrap, {seconds, 10}}]. all() -> [test1, test2, test3, test4, test5, testf, not_used, in_guard, mem_leak, coerce_to_float, bjorn, huge_float_field, huge_binary, system_limit, badarg, copy_writable_binary, kostis, dynamic, bs_add, otp_7422, zero_width, - bad_append]. - -groups() -> - []. + bad_append, bs_add_overflow]. init_per_suite(Config) -> Config. end_per_suite(_Config) -> - ok. - -init_per_group(_GroupName, Config) -> - Config. - -end_per_group(_GroupName, Config) -> - Config. + application:stop(os_mon). big(1) -> 57285702734876389752897683. @@ -67,9 +61,9 @@ r(L) -> -define(T(B, L), {B, ??B, L}). -define(N(B), {B, ??B, unknown}). --define(FAIL(Expr), ?line fail_check(catch Expr, ??Expr, [])). +-define(FAIL(Expr), fail_check(catch Expr, ??Expr, [])). --define(FAIL_VARS(Expr, Vars), ?line fail_check(catch Expr, ??Expr, Vars)). +-define(FAIL_VARS(Expr, Vars), fail_check(catch Expr, ??Expr, Vars)). l(I_13, I_big1) -> [ @@ -188,7 +182,7 @@ one_test({C_bin, E_bin, Str, Bytes}) when is_list(Bytes) -> true -> io:format("ERROR: Compiled: ~p. Expected ~p. Got ~p.~n", [Str, Bytes, binary_to_list(C_bin)]), - test_server:fail(comp) + ct:fail(comp) end, if E_bin == Bin -> @@ -196,7 +190,7 @@ one_test({C_bin, E_bin, Str, Bytes}) when is_list(Bytes) -> true -> io:format("ERROR: Interpreted: ~p. Expected ~p. Got ~p.~n", [Str, Bytes, binary_to_list(E_bin)]), - test_server:fail(comp) + ct:fail(comp) end; one_test({C_bin, E_bin, Str, Result}) -> io:format(" ~s ~p~n", [Str, C_bin]), @@ -217,7 +211,7 @@ one_test({C_bin, E_bin, Str, Result}) -> io:format("ERROR: Compiled not equal to interpreted:" "~n ~p, ~p.~n", [binary_to_list(C_bin), binary_to_list(E_bin)]), - test_server:fail(comp); + ct:fail(comp); 0 -> ok; %% For situations where the final bits may not matter, like @@ -252,23 +246,22 @@ fail_check({'EXIT',{badarg,_}}, Str, Vars) -> try evaluate(Str, Vars) of Res -> io:format("Interpreted result: ~p", [Res]), - ?t:fail(did_not_fail_in_intepreted_code) + ct:fail(did_not_fail_in_intepreted_code) catch error:badarg -> ok end; fail_check(Res, _, _) -> io:format("Compiled result: ~p", [Res]), - ?t:fail(did_not_fail_in_compiled_code). + ct:fail(did_not_fail_in_compiled_code). %%% Simple working cases -test1(suite) -> []; test1(Config) when is_list(Config) -> - ?line I_13 = i(13), - ?line I_big1 = big(1), - ?line Vars = [{'I_13', I_13}, + I_13 = i(13), + I_big1 = big(1), + Vars = [{'I_13', I_13}, {'I_big1', I_big1}], - ?line lists:foreach(fun one_test/1, eval_list(l(I_13, I_big1), Vars)). + lists:foreach(fun one_test/1, eval_list(l(I_13, I_big1), Vars)). %%% Misc @@ -284,10 +277,9 @@ gen(N, S, A) -> gen_l(N, S, A) -> [?T(<<A:S/little, A:(N-S)/little>>, comp(N, A, S))]. -test2(suite) -> []; test2(Config) when is_list(Config) -> - ?line test2(0, 8, 2#10101010101010101), - ?line test2(0, 8, 2#1111111111). + test2(0, 8, 2#10101010101010101), + test2(0, 8, 2#1111111111). test2(End, End, _) -> ok; @@ -312,10 +304,9 @@ t3() -> ?N(<<>>) ]. -test3(suite) -> []; test3(Config) when is_list(Config) -> - ?line Vars = [], - ?line lists:foreach(fun one_test/1, eval_list(t3(), Vars)). + Vars = [], + lists:foreach(fun one_test/1, eval_list(t3(), Vars)). gen_u(N, S, A) -> [?N(<<A:S, A:(N-S)>>)]. @@ -323,10 +314,9 @@ gen_u(N, S, A) -> gen_u_l(N, S, A) -> [?N(<<A:S/little, A:(N-S)/little>>)]. -test4(suite) -> []; test4(Config) when is_list(Config) -> - ?line test4(0, 16, 2#10101010101010101), - ?line test4(0, 16, 2#1111111111). + test4(0, 16, 2#10101010101010101), + test4(0, 16, 2#1111111111). test4(End, End, _) -> ok; @@ -344,11 +334,10 @@ gen_b(N, S, A) -> [?T(<<A:S/binary-unit:1, A:(N-S)/binary-unit:1>>, binary_to_list(<<A:S/binary-unit:1, A:(N-S)/binary-unit:1>>))]. -test5(suite) -> []; -test5(doc) -> ["OTP-3995"]; +%% OTP-3995 test5(Config) when is_list(Config) -> - ?line test5(0, 8, <<73>>), - ?line test5(0, 8, <<68>>). + test5(0, 8, <<73>>), + test5(0, 8, <<68>>). test5(End, End, _) -> ok; @@ -362,47 +351,46 @@ test5(S, A) -> lists:foreach(fun one_test/1, eval_list(gen_b(N, S, A), Vars)). %%% Failure cases -testf(suite) -> []; testf(Config) when is_list(Config) -> - ?line ?FAIL(<<3.14>>), - ?line ?FAIL(<<<<1,2>>>>), + ?FAIL(<<3.14>>), + ?FAIL(<<<<1,2>>>>), - ?line ?FAIL(<<2.71/binary>>), - ?line ?FAIL(<<24334/binary>>), - ?line ?FAIL(<<24334344294788947129487129487219847/binary>>), + ?FAIL(<<2.71/binary>>), + ?FAIL(<<24334/binary>>), + ?FAIL(<<24334344294788947129487129487219847/binary>>), BigInt = id(24334344294788947129487129487219847), - ?line ?FAIL_VARS(<<BigInt/binary>>, [{'BigInt',BigInt}]), - ?line ?FAIL_VARS(<<42,BigInt/binary>>, [{'BigInt',BigInt}]), - ?line ?FAIL_VARS(<<BigInt:2/binary>>, [{'BigInt',BigInt}]), + ?FAIL_VARS(<<BigInt/binary>>, [{'BigInt',BigInt}]), + ?FAIL_VARS(<<42,BigInt/binary>>, [{'BigInt',BigInt}]), + ?FAIL_VARS(<<BigInt:2/binary>>, [{'BigInt',BigInt}]), %% One negative field size, but the sum of field sizes will be 1 byte. %% Make sure that we reject that properly. I_minus_777 = id(-777), I_minus_2047 = id(-2047), - ?line ?FAIL_VARS(<<I_minus_777:2048/unit:8,57:I_minus_2047/unit:8>>, + ?FAIL_VARS(<<I_minus_777:2048/unit:8,57:I_minus_2047/unit:8>>, ordsets:from_list([{'I_minus_777',I_minus_777}, {'I_minus_2047',I_minus_2047}])), - ?line ?FAIL(<<<<1,2,3>>/float>>), + ?FAIL(<<<<1,2,3>>/float>>), %% Negative field widths. - ?line testf_1(-8, <<1,2,3,4,5>>), - ?line ?FAIL(<<0:(-(1 bsl 100))>>), + testf_1(-8, <<1,2,3,4,5>>), + ?FAIL(<<0:(-(1 bsl 100))>>), - ?line ?FAIL(<<42:(-16)>>), - ?line ?FAIL(<<3.14:(-8)/float>>), - ?line ?FAIL(<<<<23,56,0,2>>:(-16)/binary>>), - ?line ?FAIL(<<<<23,56,0,2>>:(2.5)/binary>>), - ?line ?FAIL(<<<<23,56,0,2>>:(anka)>>), - ?line ?FAIL(<<<<23,56,0,2>>:(anka)>>), + ?FAIL(<<42:(-16)>>), + ?FAIL(<<3.14:(-8)/float>>), + ?FAIL(<<<<23,56,0,2>>:(-16)/binary>>), + ?FAIL(<<<<23,56,0,2>>:(2.5)/binary>>), + ?FAIL(<<<<23,56,0,2>>:(anka)>>), + ?FAIL(<<<<23,56,0,2>>:(anka)>>), %% Unit failures. - ?line ?FAIL(<<<<1:1>>/binary>>), + ?FAIL(<<<<1:1>>/binary>>), Sz = id(1), - ?line ?FAIL_VARS(<<<<1:Sz>>/binary>>, [{'Sz',Sz}]), - ?line {'EXIT',{badarg,_}} = (catch <<<<1:(id(1))>>/binary>>), - ?line ?FAIL(<<<<7,8,9>>/binary-unit:16>>), - ?line ?FAIL(<<<<7,8,9,3:7>>/binary-unit:16>>), - ?line ?FAIL(<<<<7,8,9,3:7>>/binary-unit:17>>), + ?FAIL_VARS(<<<<1:Sz>>/binary>>, [{'Sz',Sz}]), + {'EXIT',{badarg,_}} = (catch <<<<1:(id(1))>>/binary>>), + ?FAIL(<<<<7,8,9>>/binary-unit:16>>), + ?FAIL(<<<<7,8,9,3:7>>/binary-unit:16>>), + ?FAIL(<<<<7,8,9,3:7>>/binary-unit:17>>), ok. @@ -412,14 +400,13 @@ testf_1(W, B) -> ?FAIL_VARS(<<3.14:W/float>>, Vars), ?FAIL_VARS(<<B:W/binary>>, [{'B',B}|Vars]). -not_used(doc) -> - "Test that constructed binaries that are not used will still give an exception."; +%% Test that constructed binaries that are not used will still give an exception. not_used(Config) when is_list(Config) -> - ?line ok = not_used1(3, <<"dum">>), - ?line {'EXIT',{badarg,_}} = (catch not_used1(3, "dum")), - ?line {'EXIT',{badarg,_}} = (catch not_used2(444, -2)), - ?line {'EXIT',{badarg,_}} = (catch not_used2(444, anka)), - ?line {'EXIT',{badarg,_}} = (catch not_used3(444)), + ok = not_used1(3, <<"dum">>), + {'EXIT',{badarg,_}} = (catch not_used1(3, "dum")), + {'EXIT',{badarg,_}} = (catch not_used2(444, -2)), + {'EXIT',{badarg,_}} = (catch not_used2(444, anka)), + {'EXIT',{badarg,_}} = (catch not_used3(444)), ok. not_used1(I, BinString) -> @@ -435,9 +422,11 @@ not_used3(I) -> ok. in_guard(Config) when is_list(Config) -> - ?line 1 = in_guard(<<16#74ad:16>>, 16#e95, 5), - ?line 2 = in_guard(<<16#3A,16#F7,"hello">>, 16#3AF7, <<"hello">>), - ?line 3 = in_guard(<<16#FBCD:14,3.1415/float,3:2>>, 16#FBCD, 3.1415), + 1 = in_guard(<<16#74ad:16>>, 16#e95, 5), + 2 = in_guard(<<16#3A,16#F7,"hello">>, 16#3AF7, <<"hello">>), + 3 = in_guard(<<16#FBCD:14,3.1415/float,3:2>>, 16#FBCD, 3.1415), + 3 = in_guard(<<16#FBCD:14,3/float,3:2>>, 16#FBCD, 3), + 3 = in_guard(<<16#FBCD:14,(2 bsl 226)/float,3:2>>, 16#FBCD, 2 bsl 226), nope = in_guard(<<1>>, 42, b), nope = in_guard(<<1>>, a, b), nope = in_guard(<<1,2>>, 1, 1), @@ -451,16 +440,16 @@ in_guard(Bin, A, B) when <<A:14,B/float,3:2>> == Bin -> 3; in_guard(Bin, A, B) when {a,b,<<A:14,B/float,3:2>>} == Bin -> cant_happen; in_guard(_, _, _) -> nope. -mem_leak(doc) -> "Make sure that construction has no memory leak"; +%% Make sure that construction has no memory leak mem_leak(Config) when is_list(Config) -> - ?line B = make_bin(16, <<0>>), - ?line mem_leak(1024, B), + B = make_bin(16, <<0>>), + mem_leak(1024, B), ok. mem_leak(0, _) -> ok; mem_leak(N, B) -> - ?line big_bin(B, <<23>>), - ?line {'EXIT',{badarg,_}} = (catch big_bin(B, bad)), + big_bin(B, <<23>>), + {'EXIT',{badarg,_}} = (catch big_bin(B, bad)), mem_leak(N-1, B). big_bin(B1, B2) -> @@ -474,18 +463,18 @@ make_bin(0, Acc) -> Acc; make_bin(N, Acc) -> make_bin(N-1, <<Acc/binary,Acc/binary>>). -define(COF(Int0), - ?line (fun(Int) -> + (fun(Int) -> true = <<Int:32/float>> =:= <<(float(Int)):32/float>>, true = <<Int:64/float>> =:= <<(float(Int)):64/float>> end)(nonliteral(Int0)), - ?line true = <<Int0:32/float>> =:= <<(float(Int0)):32/float>>, - ?line true = <<Int0:64/float>> =:= <<(float(Int0)):64/float>>). + true = <<Int0:32/float>> =:= <<(float(Int0)):32/float>>, + true = <<Int0:64/float>> =:= <<(float(Int0)):64/float>>). -define(COF64(Int0), - ?line (fun(Int) -> + (fun(Int) -> true = <<Int:64/float>> =:= <<(float(Int)):64/float>> end)(nonliteral(Int0)), - ?line true = <<Int0:64/float>> =:= <<(float(Int0)):64/float>>). + true = <<Int0:64/float>> =:= <<(float(Int0)):64/float>>). nonliteral(X) -> X. @@ -504,7 +493,7 @@ coerce_to_float(Config) when is_list(Config) -> ok. bjorn(Config) when is_list(Config) -> - ?line error = bjorn_1(), + error = bjorn_1(), ok. bjorn_1() -> @@ -532,76 +521,74 @@ do_something() -> throw(blurf). huge_float_field(Config) when is_list(Config) -> - ?line {'EXIT',{badarg,_}} = (catch <<0.0:9/float-unit:8>>), - ?line huge_float_check(catch <<0.0:67108865/float-unit:64>>), - ?line huge_float_check(catch <<0.0:((1 bsl 26)+1)/float-unit:64>>), - ?line huge_float_check(catch <<0.0:(id(67108865))/float-unit:64>>), -%% ?line huge_float_check(catch <<0.0:((1 bsl 60)+1)/float-unit:64>>), - ?line huge_float_check(catch <<3839739387439387383739387987347983:((1 bsl 26)+1)/float-unit:64>>), -%% ?line huge_float_check(catch <<3839739387439387383739387987347983:((1 bsl 60)+1)/float-unit:64>>), + {'EXIT',{badarg,_}} = (catch <<0.0:9/float-unit:8>>), + huge_float_check(catch <<0.0:67108865/float-unit:64>>), + huge_float_check(catch <<0.0:((1 bsl 26)+1)/float-unit:64>>), + huge_float_check(catch <<0.0:(id(67108865))/float-unit:64>>), +%% huge_float_check(catch <<0.0:((1 bsl 60)+1)/float-unit:64>>), + huge_float_check(catch <<3839739387439387383739387987347983:((1 bsl 26)+1)/float-unit:64>>), +%% huge_float_check(catch <<3839739387439387383739387987347983:((1 bsl 60)+1)/float-unit:64>>), ok. huge_float_check({'EXIT',{system_limit,_}}) -> ok; huge_float_check({'EXIT',{badarg,_}}) -> ok. huge_binary(Config) when is_list(Config) -> - ?line 16777216 = size(<<0:(id(1 bsl 26)),(-1):(id(1 bsl 26))>>), - ?line garbage_collect(), + ct:timetrap({seconds, 60}), + 16777216 = size(<<0:(id(1 bsl 26)),(-1):(id(1 bsl 26))>>), + garbage_collect(), {Shift,Return} = case free_mem() of - undefined -> {32,ok}; - Mb when Mb > 600 -> {32,ok}; - Mb when Mb > 300 -> {31,"Limit huge binaries to 256 Mb"}; - _ -> {30,"Limit huge binary to 128 Mb"} + undefined -> + %% This test has to be inlined inside the case to + %% use a literal Shift + garbage_collect(), + id(<<0:((1 bsl 32)-1)>>), + {32,ok}; + Mb when Mb > 600 -> + garbage_collect(), + id(<<0:((1 bsl 32)-1)>>), + {32,ok}; + Mb when Mb > 300 -> + garbage_collect(), + id(<<0:((1 bsl 31)-1)>>), + {31,"Limit huge binaries to 256 Mb"}; + _ -> + garbage_collect(), + id(<<0:((1 bsl 30)-1)>>), + {30,"Limit huge binary to 128 Mb"} end, - ?line garbage_collect(), - ?line id(<<0:((1 bsl Shift)-1)>>), - ?line garbage_collect(), - ?line id(<<0:(id((1 bsl Shift)-1))>>), - ?line garbage_collect(), + garbage_collect(), + id(<<0:((1 bsl Shift)-1)>>), + garbage_collect(), + id(<<0:(id((1 bsl Shift)-1))>>), + garbage_collect(), case Return of ok -> ok; Comment -> {comment, Comment} end. free_mem() -> - Cmd = "uname; free", - Output = string:tokens(os:cmd(Cmd), "\n"), - io:format("Output from command ~p\n~p\n",[Cmd,Output]), - case Output of - [OS, ColumnNames, Values | _] -> - case string:str(OS,"Linux") of - 0 -> - io:format("Unknown OS\n",[]), - undefined; - _ -> - case {string:tokens(ColumnNames, " \t"), - string:tokens(Values, " \t")} of - {[_,_,"free"|_],["Mem:",_,_,FreeKb|_]} -> - list_to_integer(FreeKb) div 1024; - _ -> - io:format("Failed to parse output from 'free':\n",[]), - undefined - end - end; - _ -> - io:format("Too few lines in output\n",[]), - undefined + {ok,Apps} = application:ensure_all_started(os_mon), + Mem = memsup:get_system_memory_data(), + [ok = application:stop(App)||App <- Apps], + case proplists:get_value(free_memory,Mem) of + undefined -> undefined; + Val -> Val div 1024 end. - system_limit(Config) when is_list(Config) -> WordSize = erlang:system_info(wordsize), BitsPerWord = WordSize * 8, - ?line {'EXIT',{system_limit,_}} = + {'EXIT',{system_limit,_}} = (catch <<0:(id(0)),42:(id(1 bsl BitsPerWord))>>), - ?line {'EXIT',{system_limit,_}} = + {'EXIT',{system_limit,_}} = (catch <<42:(id(1 bsl BitsPerWord)),0:(id(0))>>), - ?line {'EXIT',{system_limit,_}} = + {'EXIT',{system_limit,_}} = (catch <<(id(<<>>))/binary,0:(id(1 bsl 100))>>), %% Would fail to load. - ?line {'EXIT',{system_limit,_}} = (catch <<0:(1 bsl 67)>>), - ?line {'EXIT',{system_limit,_}} = (catch <<0:((1 bsl 64)+1)>>), + {'EXIT',{system_limit,_}} = (catch <<0:(1 bsl 67)>>), + {'EXIT',{system_limit,_}} = (catch <<0:((1 bsl 64)+1)>>), case WordSize of 4 -> @@ -611,60 +598,52 @@ system_limit(Config) when is_list(Config) -> end. system_limit_32() -> - ?line {'EXIT',{badarg,_}} = (catch <<42:(-1)>>), - ?line {'EXIT',{badarg,_}} = (catch <<42:(id(-1))>>), - ?line {'EXIT',{badarg,_}} = (catch <<42:(id(-389739873536870912))/unit:8>>), - ?line {'EXIT',{system_limit,_}} = (catch <<42:536870912/unit:8>>), - ?line {'EXIT',{system_limit,_}} = (catch <<42:(id(536870912))/unit:8>>), - ?line {'EXIT',{system_limit,_}} = (catch <<0:(id(8)),42:536870912/unit:8>>), - ?line {'EXIT',{system_limit,_}} = - (catch <<0:(id(8)),42:(id(536870912))/unit:8>>), + {'EXIT',{badarg,_}} = (catch <<42:(-1)>>), + {'EXIT',{badarg,_}} = (catch <<42:(id(-1))>>), + {'EXIT',{badarg,_}} = (catch <<42:(id(-389739873536870912))/unit:8>>), + {'EXIT',{system_limit,_}} = (catch <<42:536870912/unit:8>>), + {'EXIT',{system_limit,_}} = (catch <<42:(id(536870912))/unit:8>>), + {'EXIT',{system_limit,_}} = (catch <<0:(id(8)),42:536870912/unit:8>>), + {'EXIT',{system_limit,_}} = (catch <<0:(id(8)),42:(id(536870912))/unit:8>>), %% The size would be silently truncated, resulting in a crash. - ?line {'EXIT',{system_limit,_}} = (catch <<0:(1 bsl 35)>>), - ?line {'EXIT',{system_limit,_}} = (catch <<0:((1 bsl 32)+1)>>), + {'EXIT',{system_limit,_}} = (catch <<0:(1 bsl 35)>>), + {'EXIT',{system_limit,_}} = (catch <<0:((1 bsl 32)+1)>>), %% Would fail to load. - ?line {'EXIT',{system_limit,_}} = (catch <<0:(1 bsl 43)>>), - ?line {'EXIT',{system_limit,_}} = (catch <<0:((1 bsl 40)+1)>>), + {'EXIT',{system_limit,_}} = (catch <<0:(1 bsl 43)>>), + {'EXIT',{system_limit,_}} = (catch <<0:((1 bsl 40)+1)>>), ok. badarg(Config) when is_list(Config) -> - ?line {'EXIT',{badarg,_}} = - (catch <<0:(id(1 bsl 100)),0:(id(-1))>>), - ?line {'EXIT',{badarg,_}} = - (catch <<0:(id(1 bsl 100)),0:(id(-(1 bsl 70)))>>), - ?line {'EXIT',{badarg,_}} = - (catch <<0:(id(-(1 bsl 70))),0:(id(1 bsl 100))>>), - - ?line {'EXIT',{badarg,_}} = - (catch <<(id(<<>>))/binary,0:(id(-(1 bsl 100)))>>), - + {'EXIT',{badarg,_}} = (catch <<0:(id(1 bsl 100)),0:(id(-1))>>), + {'EXIT',{badarg,_}} = (catch <<0:(id(1 bsl 100)),0:(id(-(1 bsl 70)))>>), + {'EXIT',{badarg,_}} = (catch <<0:(id(-(1 bsl 70))),0:(id(1 bsl 100))>>), + {'EXIT',{badarg,_}} = (catch <<(id(<<>>))/binary,0:(id(-(1 bsl 100)))>>), ok. copy_writable_binary(Config) when is_list(Config) -> - ?line [copy_writable_binary_1(I) || I <- lists:seq(0, 256)], + [copy_writable_binary_1(I) || I <- lists:seq(0, 256)], ok. copy_writable_binary_1(_) -> - ?line Bin0 = <<(id(<<>>))/binary,0,1,2,3,4,5,6,7>>, - ?line SubBin = make_sub_bin(Bin0), - ?line id(<<42,34,55,Bin0/binary>>), %Make reallocation likelier. - ?line Pid = spawn(fun() -> + Bin0 = <<(id(<<>>))/binary,0,1,2,3,4,5,6,7>>, + SubBin = make_sub_bin(Bin0), + id(<<42,34,55,Bin0/binary>>), %Make reallocation likelier. + Pid = spawn(fun() -> copy_writable_binary_holder(Bin0, SubBin) end), - ?line Tab = ets:new(holder, []), - ?line ets:insert(Tab, {17,Bin0}), - ?line ets:insert(Tab, {42,SubBin}), - ?line id(<<Bin0/binary,0:(64*1024*8)>>), - ?line Pid ! self(), - ?line [{17,Bin0}] = ets:lookup(Tab, 17), - ?line [{42,Bin0}] = ets:lookup(Tab, 42), + Tab = ets:new(holder, []), + ets:insert(Tab, {17,Bin0}), + ets:insert(Tab, {42,SubBin}), + id(<<Bin0/binary,0:(64*1024*8)>>), + Pid ! self(), + [{17,Bin0}] = ets:lookup(Tab, 17), + [{42,Bin0}] = ets:lookup(Tab, 42), receive {Pid,Bin0,Bin0} -> ok; Other -> - io:format("Unexpected message: ~p", [Other]), - ?line ?t:fail() + ct:fail("Unexpected message: ~p", [Other]) end, ok. @@ -705,8 +684,8 @@ have_250_terabytes_of_ram() -> false. %% give the same result. dynamic(Config) when is_list(Config) -> - ?line dynamic_1(fun dynamic_big/5), - ?line dynamic_1(fun dynamic_little/5), + dynamic_1(fun dynamic_big/5), + dynamic_1(fun dynamic_little/5), ok. dynamic_1(Dynamic) -> @@ -785,32 +764,32 @@ bs_add(Config) when is_list(Config) -> return], %% Write assembly file and assemble it. - ?line PrivDir = ?config(priv_dir, Config), - ?line RootName = filename:join(PrivDir, atom_to_list(Mod)), - ?line AsmFile = RootName ++ ".S", - ?line {ok,Fd} = file:open(AsmFile, [write]), - ?line [io:format(Fd, "~p. \n", [T]) || T <- Code], - ?line ok = file:close(Fd), - ?line {ok,Mod} = compile:file(AsmFile, [from_asm,report,{outdir,PrivDir}]), - ?line LoadRc = code:load_abs(RootName), - ?line {module,_Module} = LoadRc, + PrivDir = proplists:get_value(priv_dir, Config), + RootName = filename:join(PrivDir, atom_to_list(Mod)), + AsmFile = RootName ++ ".S", + {ok,Fd} = file:open(AsmFile, [write]), + [io:format(Fd, "~p. \n", [T]) || T <- Code], + ok = file:close(Fd), + {ok,Mod} = compile:file(AsmFile, [from_asm,report,{outdir,PrivDir}]), + LoadRc = code:load_abs(RootName), + {module,_Module} = LoadRc, %% Find smallest positive bignum. - ?line SmallestBig = smallest_big(), - ?line io:format("~p\n", [SmallestBig]), - ?line Expected = SmallestBig + N, + SmallestBig = smallest_big(), + io:format("~p\n", [SmallestBig]), + Expected = SmallestBig + N, DoTest = fun() -> exit(Mod:bs_add(SmallestBig, -SmallestBig)) end, - ?line {Pid,Mref} = spawn_monitor(DoTest), + {Pid,Mref} = spawn_monitor(DoTest), receive {'DOWN',Mref,process,Pid,Res} -> ok end, - ?line Expected = Res, + Expected = Res, %% Clean up. - ?line ok = file:delete(AsmFile), - ?line ok = file:delete(code:which(Mod)), + ok = file:delete(AsmFile), + ok = file:delete(code:which(Mod)), ok. @@ -851,17 +830,17 @@ otp_7422_bin(N) when N < 512 -> otp_7422_bin(_) -> ok. zero_width(Config) when is_list(Config) -> - ?line Z = id(0), + Z = id(0), Small = id(42), Big = id(1 bsl 128), - ?line <<>> = <<Small:Z>>, - ?line <<>> = <<Small:0>>, - ?line <<>> = <<Big:Z>>, - ?line <<>> = <<Big:0>>, + <<>> = <<Small:Z>>, + <<>> = <<Small:0>>, + <<>> = <<Big:Z>>, + <<>> = <<Big:0>>, - ?line {'EXIT',{badarg,_}} = (catch <<not_a_number:0>>), - ?line {'EXIT',{badarg,_}} = (catch <<(id(not_a_number)):Z>>), - ?line {'EXIT',{badarg,_}} = (catch <<(id(not_a_number)):0>>), + {'EXIT',{badarg,_}} = (catch <<not_a_number:0>>), + {'EXIT',{badarg,_}} = (catch <<(id(not_a_number)):Z>>), + {'EXIT',{badarg,_}} = (catch <<(id(not_a_number)):0>>), ok. @@ -908,5 +887,28 @@ append_unit_8(Bin) -> append_unit_16(Bin) -> <<Bin/binary-unit:16,0:1>>. - +%% Produce a large result of bs_add that, if cast to signed int, would overflow +%% into a negative number that fits a smallnum. +bs_add_overflow(_Config) -> + Memsize = memsize(), + io:format("Memsize = ~w Bytes~n", [Memsize]), + case erlang:system_info(wordsize) of + 8 -> + {skip, "64-bit architecture"}; + _ when Memsize < (2 bsl 30) -> + {skip, "Less then 2 GB of memory"}; + 4 -> + Large = <<0:((1 bsl 30)-1)>>, + {'EXIT',{system_limit,_}} = + (catch <<Large/bits, Large/bits, Large/bits, Large/bits, + Large/bits, Large/bits, Large/bits, Large/bits, + Large/bits>>), + ok + end. + id(I) -> I. + +memsize() -> + application:ensure_all_started(os_mon), + {Tot,_Used,_} = memsup:get_memory_data(), + Tot. |