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Viewing changes to erts/emulator/test/binary_SUITE.erl

  • Committer: Bazaar Package Importer
  • Author(s): Sergei Golovan
  • Date: 2010-03-09 17:34:57 UTC
  • mfrom: (10.1.2 sid)
  • Revision ID: james.westby@ubuntu.com-20100309173457-4yd6hlcb2osfhx31
Tags: 1:13.b.4-dfsg-3
Manpages in section 1 are needed even if only arch-dependent packages are
built. So, re-enabled them.

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erts/emulator/test/binary_SUITE.erl
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%%
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%% %CopyrightBegin%
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%% 
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%% Copyright Ericsson AB 1997-2009. All Rights Reserved.
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%% 
 
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%%
 
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%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
 
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%%
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%% The contents of this file are subject to the Erlang Public License,
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%% Version 1.1, (the "License"); you may not use this file except in
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%% compliance with the License. You should have received a copy of the
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%% Erlang Public License along with this software. If not, it can be
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%% retrieved online at http://www.erlang.org/.
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%% 
 
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%%
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%% Software distributed under the License is distributed on an "AS IS"
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%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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%% the License for the specific language governing rights and limitations
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%% under the License.
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%% 
 
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%%
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%% %CopyrightEnd%
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%%
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%%      binary_to_list/1
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%%      binary_to_list/3
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%%      binary_to_term/1
 
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%%      binary_to_term/2
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%%      bitstr_to_list/1
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%%      term_to_binary/1
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%%      erlang:external_size/1
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         t_hash/1,
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         bad_size/1,
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         bad_term_to_binary/1,
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         bad_binary_to_term_2/1,
 
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         bad_binary_to_term_2/1,safe_binary_to_term2/1,
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         bad_binary_to_term/1, bad_terms/1, more_bad_terms/1,
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         otp_5484/1,otp_5933/1,
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         ordering/1,unaligned_order/1,gc_test/1,
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     t_split_binary, bad_split, t_concat_binary,
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     bad_list_to_binary, bad_binary_to_list, terms, terms_float,
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     external_size, t_iolist_size,
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     bad_binary_to_term_2,
 
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     bad_binary_to_term_2,safe_binary_to_term2,
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     bad_binary_to_term, bad_terms, t_hash, bad_size, bad_term_to_binary,
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     more_bad_terms, otp_5484, otp_5933, ordering, unaligned_order,
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     gc_test, bit_sized_binary_sizes, bitlevel_roundtrip, otp_6817, otp_8117,
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                              ok
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                      end,
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                      Term = binary_to_term(Bin),
 
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                      Term = erlang:binary_to_term(Bin, [safe]),
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                      Unaligned = make_unaligned_sub_binary(Bin),
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                      Term = binary_to_term(Unaligned),
 
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                      Term = erlang:binary_to_term(Unaligned, []),
 
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                      Term = erlang:binary_to_term(Bin, [safe]),
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                      BinC = erlang:term_to_binary(Term, [compressed]),
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                      Term = binary_to_term(BinC),
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                      true = size(BinC) =< size(Bin),
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bad_bin_to_term(BadBin) ->
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    {'EXIT',{badarg,_}} = (catch binary_to_term(BadBin)).
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bad_bin_to_term(BadBin,Opts) ->
 
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    {'EXIT',{badarg,_}} = (catch erlang:binary_to_term(BadBin,Opts)).
 
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safe_binary_to_term2(doc) -> "Test safety options for binary_to_term/2";
 
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safe_binary_to_term2(Config) when is_list(Config) ->
 
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    ?line bad_bin_to_term(<<131,100,0,14,"undefined_atom">>, [safe]),
 
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    ?line bad_bin_to_term(<<131,100,0,14,"other_bad_atom">>, [safe]),
 
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    BadHostAtom = <<100,0,14,"badguy@badhost">>,
 
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    Empty = <<0,0,0,0>>,
 
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    BadRef = <<131,114,0,3,BadHostAtom/binary,0,<<0,0,0,255>>/binary,
 
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              Empty/binary,Empty/binary>>,
 
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    ?line bad_bin_to_term(BadRef, [safe]), % good ref, with a bad atom
 
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    ?line fullsweep_after = erlang:binary_to_term(<<131,100,0,15,"fullsweep_after">>, [safe]), % should be a good atom
 
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    BadExtFun = <<131,113,100,0,4,98,108,117,101,100,0,4,109,111,111,110,97,3>>,
 
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    ?line bad_bin_to_term(BadExtFun, [safe]),
 
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    ok.
 
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%% Tests bad input to binary_to_term/1.
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bad_terms(suite) -> [];
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    ?line corrupter(CompressedBin, size(CompressedBin)-1).
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corrupter(Bin, Pos) when Pos >= 0 ->
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    ?line {ShorterBin, _} = split_binary(Bin, Pos),
 
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    ?line {ShorterBin, Rest} = split_binary(Bin, Pos),
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    ?line catch binary_to_term(ShorterBin), %% emulator shouldn't crash
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    ?line MovedBin = list_to_binary([ShorterBin]),
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    ?line catch binary_to_term(MovedBin), %% emulator shouldn't crash
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    ?line corrupter(MovedBin, Pos-1);
 
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    %% Bit faults, shouldn't crash
 
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    <<Byte,Tail/binary>> = Rest,
 
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    Fun = fun(M) -> FaultyByte = Byte bxor M,                    
 
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                    catch binary_to_term(<<ShorterBin/binary,
 
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                                          FaultyByte, Tail/binary>>) end,
 
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    ?line lists:foreach(Fun,[1,2,4,8,16,32,64,128,255]),    
 
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    ?line corrupter(Bin, Pos-1);
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corrupter(_Bin, _) ->
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    ok.
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