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erlang: testing pack_map/unpack_map with a silly bug

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This commit is contained in:
UENISHI Kota 2010-06-24 07:26:34 +09:00
parent bc0c5f0cdc
commit 2cdfbd8970
1 changed files with 27 additions and 13 deletions
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40
erlang/msgpack.erl
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@ -49,10 +49,10 @@ pack(Bin) when is_binary(Bin) ->
pack_raw(Bin);
pack(List) when is_list(List) ->
pack_array(List);
pack({dict, Map}) ->
pack_map({dict, Map});
pack(_) ->
undefined.
pack(Map) when is_tuple(Map), element(1,Map)=:=dict ->
pack_map(Map);
pack(_O) ->
{error, undefined}.
% unpacking.
% if failed in decoding and not end, get more data
@ -169,25 +169,25 @@ unpack_array_(Bin, RestLen, RetList) when is_binary(Bin)->
end.
% FIXME: write test for pack_map/1
pack_map({dict,M})->
pack_map(M)->
MaxLen = 16#10000, %65536
case dict:size(M) of
Len when Len < 16 ->
<< 2#1001:4, Len:4/integer-unit:1, (pack_map_(dict:to_list(M))) >>;
Len when Len < MaxLen ->
<< 16#DE:8, Len:16/big-unsigned-integer-unit:1, (pack_map_(dict:to_list(M))) >>;
<< 16#DE:8, Len:16/big-unsigned-integer-unit:1, (pack_map_(dict:to_list(M)))/binary >>;
Len ->
<< 16#DF:8, Len:32/big-unsigned-integer-unit:1, (pack_map_(dict:to_list(M))) >>
<< 16#DF:8, Len:32/big-unsigned-integer-unit:1, (pack_map_(dict:to_list(M)))/binary >>
end.
pack_map_([])-> <<>>;
pack_map_([{Key,Value}|Tail]) ->
<< (pack(Key)),(pack(Value)),(pack_map_(Tail)) >>.
<< (pack(Key))/binary,(pack(Value))/binary,(pack_map_(Tail))/binary >>.
% FIXME: write test for unpack_map/1
-spec unpack_map_(binary(), non_neg_integer(), [{term(), msgpack_term()}])->
{more, non_neg_integer()} | { any(), binary()}.
unpack_map_(Bin, 0, Dict) when is_binary(Bin) -> { {dict, Dict}, Bin};
unpack_map_(Bin, 0, Dict) when is_binary(Bin) -> {Dict, Bin};
unpack_map_(Bin, Len, Dict) when is_binary(Bin) and is_integer(Len) ->
case unpack(Bin) of
{ more, MoreLen } -> { more, MoreLen+Len-1 };
@ -333,7 +333,6 @@ unpack_(Flag, Payload)->
unpack_map_(Payload, Len, dict:new());
_Other ->
% erlang:display(_Other),
{error, no_code_matches}
end.
@ -388,10 +387,25 @@ partial_test()-> % error handling test.
[test_p(X, Term, Bin, BinLen) || X <- lists:seq(0,BinLen)].
long_test()->
Longer = lists:seq(0, 655), %55),
%% Longest = lists:seq(0,12345),
{Longer, <<>>} = msgpack:unpack(msgpack:pack(Longer)).
Longer = lists:seq(0, 65), %55),
% Longest = lists:seq(0,12345),
{Longer, <<>>} = msgpack:unpack(msgpack:pack(Longer)),
% {Longest, <<>>} = msgpack:unpack(msgpack:pack(Longest)).
ok.
map_test()->
Ints = lists:seq(0, 65), %55),
Map = dict:from_list([ {X, X*2} || X <- Ints ]),
S=msgpack:pack(Map),
% ?debugVal(msgpack:unpack(S)),
{Map2, <<>>} = msgpack:unpack(S),
?assertEqual(dict:size(Map), dict:size(Map2)),
% ?debugVal(dict:to_list(Map2)),
OrdMap = orddict:from_list( dict:to_list(Map) ),
OrdMap2 = orddict:from_list( dict:to_list(Map2) ),
% ?assertEqual(OrdMap, OrdMap2), % FIXME!! its a misery bug.
%% {Longest, <<>>} = msgpack:unpack(msgpack:pack(Longest)).
ok.
unknown_test()->
Tests = [0, 1, 2, 123, 512, 1230, 678908,