add error_handler option and tests
This commit is contained in:
alisdair sullivan
parent
a854f4ae3c
commit
6ec70f8a46
3 changed files with 142 additions and 17 deletions
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@ -99,11 +99,14 @@ decoder(Handler, State, Config) ->
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%% error, incomplete and event macros
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-ifndef(error).
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-define(error(_State, _Bin, _Handler, _Stack, _Config),
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erlang:error(badarg)
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-define(error(State, Bin, Handler, Acc, Stack, Config),
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case Config#config.error_handler of
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false -> erlang:error(badarg);
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F -> F(State, Bin, Handler, Acc, Stack, Config)
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end
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).
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-define(error(_State, _Bin, _Handler, _Acc, _Stack, _Config),
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erlang:error(badarg)
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-define(error(State, Bin, Handler, Stack, Config),
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?error(State, Bin, Handler, null, Stack, Config)
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).
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-endif.
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@ -149,7 +152,7 @@ acc_seq(Seq, C) -> [C] ++ Seq.
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end_seq(Seq) -> unicode:characters_to_binary(lists:reverse(Seq)).
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end_seq(Seq, Config=#config{dirty_strings=true}) -> list_to_binary(lists:reverse(Seq));
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end_seq(Seq, #config{dirty_strings=true}) -> list_to_binary(lists:reverse(Seq));
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end_seq(Seq, _) -> end_seq(Seq).
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@ -173,7 +176,7 @@ maybe_bom(<<16#bb, Rest/binary>>, Handler, Stack, Config) ->
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maybe_bom(<<>>, Handler, Stack, Config) ->
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?incomplete(start, <<16#ef>>, Handler, Stack, Config);
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maybe_bom(Bin, Handler, Stack, Config) ->
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?error(start, <<16#ef>>, Handler, Stack, Config).
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?error(start, <<16#ef, Bin/binary>>, Handler, Stack, Config).
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definitely_bom(<<16#bf, Rest/binary>>, Handler, Stack, Config) ->
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@ -181,7 +184,7 @@ definitely_bom(<<16#bf, Rest/binary>>, Handler, Stack, Config) ->
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definitely_bom(<<>>, Handler, Stack, Config) ->
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?incomplete(start, <<16#ef, 16#bb>>, Handler, Stack, Config);
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definitely_bom(Bin, Handler, Stack, Config) ->
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?error(start, <<16#ef, 16#bb>>, Handler, Stack, Config).
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?error(start, <<16#ef, 16#bb, Bin/binary>>, Handler, Stack, Config).
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value(<<?doublequote, Rest/binary>>, Handler, Stack, Config) ->
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@ -544,7 +547,7 @@ string(<<X, Rest/binary>>, Handler, Acc, Stack, #config{replaced_bad_utf8=true}
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when X >= 240, X =< 247 ->
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strip_continuations(Rest, Handler, Acc, Stack, Config, 3);
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%% incompletes and unexpected bytes, including orphan continuations
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string(<<C, Rest/binary>>, Handler, Acc, Stack, #config{replaced_bad_utf8=true} = Config) ->
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string(<<_, Rest/binary>>, Handler, Acc, Stack, #config{replaced_bad_utf8=true} = Config) ->
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string(Rest, Handler, acc_seq(Acc, 16#fffd), Stack, Config);
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string(Bin, Handler, Acc, Stack, Config) ->
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case partial_utf(Bin) of
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@ -733,8 +736,8 @@ decimal(Bin, Handler, Acc, Stack, Config) ->
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e(<<S, Rest/binary>>, Handler, Acc, Stack, Config) when S =:= ?zero; ?is_nonzero(S) ->
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exp(Rest, Handler, acc_seq(Acc, S), Stack, Config);
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e(<<S, Rest/binary>>, Handler, Acc, Stack, Config) when S =:= ?positive; S =:= ?negative ->
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ex(Rest, Handler, acc_seq(Acc, S), Stack, Config);
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e(<<Sign, Rest/binary>>, Handler, Acc, Stack, Config) when Sign =:= ?positive; Sign =:= ?negative ->
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ex(Rest, Handler, acc_seq(Acc, Sign), Stack, Config);
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e(<<>>, Handler, [$e|Acc], Stack, Config) ->
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?incomplete(decimal, <<$e>>, Handler, Acc, Stack, Config);
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e(Bin, Handler, Acc, Stack, Config) ->
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@ -745,8 +748,8 @@ ex(<<S, Rest/binary>>, Handler, Acc, Stack, Config) when S =:= ?zero; ?is_nonzer
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exp(Rest, Handler, acc_seq(Acc, S), Stack, Config);
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ex(<<>>, Handler, [S, $e|Acc], Stack, Config) ->
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?incomplete(decimal, <<$e, S/utf8>>, Handler, Acc, Stack, Config);
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ex(Bin, Handler, Acc, Stack, Config) ->
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?error(decimal, <<$e, Bin/binary>>, Handler, Acc, Stack, Config).
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ex(Bin, Handler, [S, $e|Acc], Stack, Config) ->
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?error(decimal, <<$e, S, Bin/binary>>, Handler, Acc, Stack, Config).
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exp(<<S, Rest/binary>>, Handler, Acc, Stack, Config) when S =:= ?zero; ?is_nonzero(S) ->
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@ -777,10 +780,12 @@ finish_number(<<>>, Handler, {NumType, Acc}, Stack, Config) ->
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end;
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finish_number(Bin, Handler, {NumType, Acc}, Stack, Config) ->
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case NumType of
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zero -> ?error(zero, <<>>, Handler, Acc, Stack, Config);
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integer -> ?error(integer, <<>>, Handler, Acc, Stack, Config);
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decimal -> ?error(decimal, <<>>, Handler, Acc, Stack, Config);
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exp -> ?error(exp, <<>>, Handler, Acc, Stack, Config)
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integer -> ?error(integer, Bin, Handler, Acc, Stack, Config);
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decimal -> ?error(decimal, Bin, Handler, Acc, Stack, Config);
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exp -> ?error(exp, Bin, Handler, Acc, Stack, Config);
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zero ->
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[$0|OldAcc] = Acc,
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?error(value, <<$0, Bin/binary>>, Handler, OldAcc, Stack, Config)
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end.
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@ -1960,5 +1965,100 @@ error_test_() ->
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].
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custom_error_handler_test_() ->
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Decode = fun(JSON, Config) -> start(JSON, {jsx, []}, [], jsx_utils:parse_config(Config)) end,
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Error = fun(State, Rest, _Handler, _Acc, _Stack, _Config) -> {State, Rest} end,
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[
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{"maybe_bom error", ?_assertEqual(
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{start, <<16#ef, 0>>},
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Decode(<<16#ef, 0>>, [{error_handler, Error}])
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)},
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{"definitely_bom error", ?_assertEqual(
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{start, <<16#ef, 16#bb, 0>>},
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Decode(<<16#ef, 16#bb, 0>>, [{error_handler, Error}])
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)},
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{"value error", ?_assertEqual(
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{value, <<0>>},
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Decode(<<0>>, [{error_handler, Error}])
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)},
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{"object error", ?_assertEqual(
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{object, <<0>>},
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Decode(<<"{"/utf8, 0>>, [{error_handler, Error}])
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)},
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{"colon error", ?_assertEqual(
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{colon, <<0>>},
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Decode(<<"{\"\""/utf8, 0>>, [{error_handler, Error}])
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)},
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{"key error", ?_assertEqual(
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{key, <<0>>},
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Decode(<<"{\"\":1,"/utf8, 0>>, [{error_handler, Error}])
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)},
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{"negative error", ?_assertEqual(
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{value, <<"-"/utf8, 0>>},
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Decode(<<"-"/utf8, 0>>, [{error_handler, Error}])
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)},
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{"zero error", ?_assertEqual(
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{value, <<"0"/utf8, 0>>},
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Decode(<<"0"/utf8, 0>>, [explicit_end, {error_handler, Error}])
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)},
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{"integer error", ?_assertEqual(
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{integer, <<0>>},
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Decode(<<"1"/utf8, 0>>, [explicit_end, {error_handler, Error}])
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)},
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{"decimal error", ?_assertEqual(
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{decimal, <<0>>},
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Decode(<<"1.0"/utf8, 0>>, [explicit_end, {error_handler, Error}])
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)},
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{"exp error", ?_assertEqual(
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{exp, <<0>>},
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Decode(<<"1.0e1"/utf8, 0>>, [explicit_end, {error_handler, Error}])
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)},
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{"e error", ?_assertEqual(
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{decimal, <<$e, 0>>},
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Decode(<<"1e"/utf8, 0>>, [{error_handler, Error}])
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)},
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{"ex error", ?_assertEqual(
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{decimal, <<$e, ?positive, 0>>},
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Decode(<<"1e+"/utf8, 0>>, [{error_handler, Error}])
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)},
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{"exp error", ?_assertEqual(
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{decimal, <<$e>>},
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Decode(<<"1.e"/utf8>>, [{error_handler, Error}])
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)},
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{"true error", ?_assertEqual(
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{true, <<"ru"/utf8, 0>>},
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Decode(<<"tru"/utf8, 0>>, [{error_handler, Error}])
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)},
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{"false error", ?_assertEqual(
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{false, <<"als"/utf8, 0>>},
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Decode(<<"fals"/utf8, 0>>, [{error_handler, Error}])
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)},
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{"null error", ?_assertEqual(
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{null, <<"ul"/utf8, 0>>},
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Decode(<<"nul"/utf8, 0>>, [{error_handler, Error}])
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)},
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{"maybe_done error", ?_assertEqual(
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{maybe_done, <<0>>},
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Decode(<<"[[]"/utf8, 0>>, [{error_handler, Error}])
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)},
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{"done error", ?_assertEqual(
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{done, <<0>>},
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Decode(<<"[]"/utf8, 0>>, [{error_handler, Error}])
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)},
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{"comment error", ?_assertEqual(
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{comment, <<" ]"/utf8>>},
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Decode(<<"[ / ]">>, [{error_handler, Error}, comments])
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)},
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{"single_comment error", ?_assertEqual(
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{comment, <<"/"/utf8, 192>>},
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Decode(<<"[ //"/utf8, 192>>, [{error_handler, Error}, comments])
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)},
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{"multi_comment error", ?_assertEqual(
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{comment, <<"*"/utf8, 192>>},
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Decode(<<"[ /*"/utf8, 192>>, [{error_handler, Error}, comments])
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)}
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].
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-endif.
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