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-rw-r--r--erts/emulator/test/bs_construct_SUITE.erl416
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.