major whitespace updates to get line lengths down to < 80 characters whenever possible (a few tests ignore this). srx/jsx_test.erl was not touched because it's shortly to be replaced
This commit is contained in:
alisdair sullivan
parent
ac5e0e4fe3
commit
a86dec09ef
6 changed files with 998 additions and 414 deletions
|
|
@ -33,7 +33,6 @@
|
|||
|
||||
-include("./include/jsx_common.hrl").
|
||||
|
||||
|
||||
-ifdef(TEST).
|
||||
-include_lib("eunit/include/eunit.hrl").
|
||||
-endif.
|
||||
|
|
@ -48,10 +47,10 @@ json_to_term(JSON, Opts) ->
|
|||
end.
|
||||
|
||||
|
||||
%% the jsx formatter (pretty printer) can do most of the heavy lifting in converting erlang
|
||||
%% terms to json strings, but it expects a jsx event iterator. luckily, the mapping from
|
||||
%% erlang terms to jsx events is straightforward and the iterator can be faked with an
|
||||
%% anonymous function
|
||||
%% the jsx formatter (pretty printer) can do most of the heavy lifting in
|
||||
%% converting erlang terms to json strings, but it expects a jsx event
|
||||
%% iterator. luckily, the mapping from erlang terms to jsx events is
|
||||
%% straightforward and the iterator can be faked with an anonymous function
|
||||
term_to_json(List, Opts) ->
|
||||
case proplists:get_value(strict, Opts, true) of
|
||||
true when is_list(List) -> continue
|
||||
|
|
@ -59,7 +58,9 @@ term_to_json(List, Opts) ->
|
|||
; false -> continue
|
||||
end,
|
||||
Encoding = proplists:get_value(encoding, Opts, utf8),
|
||||
jsx:format(jsx:eventify(lists:reverse([end_json] ++ term_to_events(List))), [{output_encoding, Encoding}] ++ Opts).
|
||||
jsx:format(jsx:eventify(lists:reverse([end_json] ++ term_to_events(List))),
|
||||
[{output_encoding, Encoding}] ++ Opts
|
||||
).
|
||||
|
||||
|
||||
%% parse opts for the decoder
|
||||
|
|
@ -67,7 +68,9 @@ opts_to_jsx_opts(Opts) ->
|
|||
opts_to_jsx_opts(Opts, []).
|
||||
|
||||
opts_to_jsx_opts([{encoding, Val}|Rest], Acc) ->
|
||||
case lists:member(Val, [auto, utf8, utf16, {utf16, little}, utf32, {utf32, little}]) of
|
||||
case lists:member(Val,
|
||||
[auto, utf8, utf16, {utf16, little}, utf32, {utf32, little}]
|
||||
) of
|
||||
true -> opts_to_jsx_opts(Rest, [{encoding, Val}] ++ Acc)
|
||||
; false -> opts_to_jsx_opts(Rest, Acc)
|
||||
end;
|
||||
|
|
@ -85,49 +88,55 @@ opts_to_jsx_opts([], Acc) ->
|
|||
|
||||
%% ensure the first jsx event we get is start_object or start_array when running
|
||||
%% in strict mode
|
||||
collect_strict({event, Start, Next}, Acc, Opts) when Start =:= start_object; Start =:= start_array ->
|
||||
collect_strict({event, Start, Next}, Acc, Opts)
|
||||
when Start =:= start_object; Start =:= start_array ->
|
||||
collect(Next(), [[]|Acc], Opts);
|
||||
collect_strict(_, _, _) ->
|
||||
erlang:error(badarg).
|
||||
|
||||
|
||||
%% collect decoder events and convert to eep0018 format
|
||||
collect({event, Start, Next}, Acc, Opts) when Start =:= start_object; Start =:= start_array ->
|
||||
collect({event, Start, Next}, Acc, Opts)
|
||||
when Start =:= start_object; Start =:= start_array ->
|
||||
collect(Next(), [[]|Acc], Opts);
|
||||
%% special case for empty object
|
||||
collect({event, end_object, Next}, [[], Parent|Rest], Opts) when is_list(Parent) ->
|
||||
collect({event, end_object, Next}, [[], Parent|Rest], Opts)
|
||||
when is_list(Parent) ->
|
||||
collect(Next(), [[[{}]] ++ Parent] ++ Rest, Opts);
|
||||
%% reverse the array/object accumulator before prepending it to it's parent
|
||||
collect({event, end_object, Next}, [Current, Parent|Rest], Opts) when is_list(Parent) ->
|
||||
collect({event, end_object, Next}, [Current, Parent|Rest], Opts)
|
||||
when is_list(Parent) ->
|
||||
collect(Next(), [[lists:reverse(Current)] ++ Parent] ++ Rest, Opts);
|
||||
collect({event, end_array, Next}, [Current, Parent|Rest], Opts) when is_list(Parent) ->
|
||||
collect({event, end_array, Next}, [Current, Parent|Rest], Opts)
|
||||
when is_list(Parent) ->
|
||||
collect(Next(), [[lists:reverse(Current)] ++ Parent] ++ Rest, Opts);
|
||||
%% special case for empty object
|
||||
collect({event, end_object, Next}, [[], Key, Parent|Rest], Opts) ->
|
||||
collect(Next(), [[{Key, [{}]}] ++ Parent] ++ Rest, Opts);
|
||||
collect({event, End, Next}, [Current, Key, Parent|Rest], Opts)
|
||||
when End =:= end_object; End =:= end_array ->
|
||||
when End =:= end_object; End =:= end_array ->
|
||||
collect(Next(), [[{Key, lists:reverse(Current)}] ++ Parent] ++ Rest, Opts);
|
||||
collect({event, end_json, _Next}, [[Acc]], _Opts) ->
|
||||
Acc;
|
||||
%% key can only be emitted inside of a json object, so just insert it directly into
|
||||
%% the head of the accumulator and deal with it when we receive it's paired value
|
||||
%% key can only be emitted inside of a json object, so just insert it directly
|
||||
%% into the head of the accumulator and deal with it when we receive it's
|
||||
%% paired value
|
||||
collect({event, {key, _} = PreKey, Next}, [Current|_] = Acc, Opts) ->
|
||||
Key = event(PreKey, Opts),
|
||||
case decode_key_repeats(Key, Current) of
|
||||
true -> erlang:error(badarg)
|
||||
; false -> collect(Next(), [Key] ++ Acc, Opts)
|
||||
end;
|
||||
%% check acc to see if we're inside an object or an array. because inside an object
|
||||
%% context the events that fall this far are always preceded by a key (which are
|
||||
%% binaries or atoms), if Current is a list, we're inside an array, else, an
|
||||
%% object
|
||||
%% check acc to see if we're inside an object or an array. because inside an
|
||||
%% object context the events that fall this far are always preceded by a key
|
||||
%% (which are binaries or atoms), if Current is a list, we're inside an array,
|
||||
%% else, an object
|
||||
collect({event, Event, Next}, [Current|Rest], Opts) when is_list(Current) ->
|
||||
collect(Next(), [[event(Event, Opts)] ++ Current] ++ Rest, Opts);
|
||||
collect({event, Event, Next}, [Key, Current|Rest], Opts) ->
|
||||
collect(Next(), [[{Key, event(Event, Opts)}] ++ Current] ++ Rest, Opts);
|
||||
%% if our first returned event is {incomplete, ...} try to force end and return the
|
||||
%% Event if one is returned
|
||||
%% if our first returned event is {incomplete, ...} try to force end and return
|
||||
%% the Event if one is returned
|
||||
collect({incomplete, More}, [[]], Opts) ->
|
||||
case More(end_stream) of
|
||||
{event, Event, _Next} -> event(Event, Opts)
|
||||
|
|
@ -170,7 +179,8 @@ decode_key_repeats(_Key, []) -> false.
|
|||
|
||||
|
||||
|
||||
%% convert eep0018 representation to jsx events. note special casing for the empty object
|
||||
%% convert eep0018 representation to jsx events. note special casing for the
|
||||
%% empty object
|
||||
term_to_events([{}]) ->
|
||||
[end_object, start_object];
|
||||
term_to_events([First|_] = List) when is_tuple(First) ->
|
||||
|
|
@ -203,7 +213,7 @@ list_to_events([], Acc) ->
|
|||
term_to_event(List) when is_list(List) ->
|
||||
term_to_events(List);
|
||||
term_to_event(Float) when is_float(Float) ->
|
||||
[{float, float_to_decimal(Float)}];
|
||||
[{float, nice_decimal(Float)}];
|
||||
term_to_event(Integer) when is_integer(Integer) ->
|
||||
[{integer, erlang:integer_to_list(Integer)}];
|
||||
term_to_event(String) when is_binary(String) ->
|
||||
|
|
@ -222,24 +232,32 @@ key_to_event(Key) when is_binary(Key) ->
|
|||
|
||||
encode_key_repeats([Key], SoFar) -> encode_key_repeats(Key, SoFar, 0).
|
||||
|
||||
encode_key_repeats(Key, [Key|_], 0) -> true;
|
||||
encode_key_repeats(Key, [end_object|Rest], Level) -> encode_key_repeats(Key, Rest, Level + 1);
|
||||
encode_key_repeats(_, [start_object|_], 0) -> false;
|
||||
encode_key_repeats(Key, [start_object|Rest], Level) -> encode_key_repeats(Key, Rest, Level - 1);
|
||||
encode_key_repeats(Key, [_|Rest], Level) -> encode_key_repeats(Key, Rest, Level);
|
||||
encode_key_repeats(_, [], 0) -> false.
|
||||
encode_key_repeats(Key, [Key|_], 0) ->
|
||||
true;
|
||||
encode_key_repeats(Key, [end_object|Rest], Level) ->
|
||||
encode_key_repeats(Key, Rest, Level + 1);
|
||||
encode_key_repeats(_, [start_object|_], 0) ->
|
||||
false;
|
||||
encode_key_repeats(Key, [start_object|Rest], Level) ->
|
||||
encode_key_repeats(Key, Rest, Level - 1);
|
||||
encode_key_repeats(Key, [_|Rest], Level) ->
|
||||
encode_key_repeats(Key, Rest, Level);
|
||||
encode_key_repeats(_, [], 0) ->
|
||||
false.
|
||||
|
||||
|
||||
%% conversion of floats to 'nice' decimal output. erlang's float implementation is almost
|
||||
%% but not quite ieee 754. it converts negative zero to plain zero silently, and throws
|
||||
%% exceptions for any operations that would produce NaN or infinity. as far as I can
|
||||
%% tell that is. trying to match against NaN or infinity binary patterns produces nomatch
|
||||
%% exceptions, and arithmetic operations produce badarg exceptions. with that in mind, this
|
||||
%% function makes no attempt to handle special values (except for zero)
|
||||
%% conversion of floats to 'nice' decimal output. erlang's float implementation
|
||||
%% is almost but not quite ieee 754. it converts negative zero to plain zero
|
||||
%% silently, and throws exceptions for any operations that would produce NaN
|
||||
%% or infinity. as far as I can tell that is. trying to match against NaN or
|
||||
%% infinity binary patterns produces nomatch exceptions, and arithmetic
|
||||
%% operations produce badarg exceptions. with that in mind, this function
|
||||
%% makes no attempt to handle special values (except for zero)
|
||||
|
||||
%% algorithm from "Printing FLoating-Point Numbers Quickly and Accurately" by Burger & Dybvig
|
||||
float_to_decimal(0.0) -> "0.0";
|
||||
float_to_decimal(Num) when is_float(Num) ->
|
||||
%% algorithm from "Printing FLoating-Point Numbers Quickly and Accurately" by
|
||||
%% Burger & Dybvig
|
||||
nice_decimal(0.0) -> "0.0";
|
||||
nice_decimal(Num) when is_float(Num) ->
|
||||
{F, E} = extract(<<Num:64/float>>),
|
||||
{R, S, MP, MM} = initial_vals(F, E),
|
||||
K = ceiling(math:log10(abs(Num)) - 1.0e-10),
|
||||
|
|
@ -315,7 +333,8 @@ generate(RT, S, MP, MM, Round) ->
|
|||
end.
|
||||
|
||||
|
||||
%% this is not efficient at all and should be replaced with a lookup table probably
|
||||
%% this is not efficient at all and should be replaced with a lookup table
|
||||
%% probably
|
||||
pow(_B, 0) -> 1;
|
||||
pow(B, E) when E > 0 -> pow(B, E, 1).
|
||||
|
||||
|
|
@ -331,8 +350,10 @@ format(Dpoint, Digits) when Dpoint =< length(Digits), Dpoint > 0 ->
|
|||
format(Dpoint, Digits) when Dpoint > 0 ->
|
||||
Pad = Dpoint - length(Digits),
|
||||
case Pad of
|
||||
X when X > 6 -> format(Digits, 1, []) ++ "e" ++ integer_to_list(Dpoint - 1)
|
||||
; _ -> format(Digits ++ [ 0 || _ <- lists:seq(1, Pad)], Dpoint, [])
|
||||
X when X > 6 ->
|
||||
format(Digits, 1, []) ++ "e" ++ integer_to_list(Dpoint - 1)
|
||||
; _ ->
|
||||
format(Digits ++ [ 0 || _ <- lists:seq(1, Pad)], Dpoint, [])
|
||||
end;
|
||||
format(Dpoint, Digits) when Dpoint < 0 ->
|
||||
format(Digits, 1, []) ++ "e" ++ integer_to_list(Dpoint - 1).
|
||||
|
|
@ -344,32 +365,41 @@ format([], ignore, Acc) ->
|
|||
format(Digits, 0, Acc) ->
|
||||
format(Digits, ignore, "." ++ Acc);
|
||||
format([Digit|Digits], Dpoint, Acc) ->
|
||||
format(Digits, case Dpoint of ignore -> ignore; X -> X - 1 end, to_ascii(Digit) ++ Acc).
|
||||
format(Digits,
|
||||
case Dpoint of ignore -> ignore; X -> X - 1 end, to_ascii(Digit) ++ Acc
|
||||
).
|
||||
|
||||
|
||||
to_ascii(X) -> [X + 48]. %% ascii "1" is [49], "2" is [50], etc...
|
||||
|
||||
|
||||
%% json string escaping, for utf8 binaries. escape the json control sequences to their
|
||||
%% json equivalent, escape other control characters to \uXXXX sequences, everything
|
||||
%% else should be a legal json string component
|
||||
%% json string escaping, for utf8 binaries. escape the json control sequences to
|
||||
%% their json equivalent, escape other control characters to \uXXXX sequences,
|
||||
%% everything else should be a legal json string component
|
||||
json_escape(String) ->
|
||||
json_escape(String, <<>>).
|
||||
|
||||
%% double quote
|
||||
json_escape(<<$\", Rest/binary>>, Acc) -> json_escape(Rest, <<Acc/binary, $\\, $\">>);
|
||||
json_escape(<<$\", Rest/binary>>, Acc) ->
|
||||
json_escape(Rest, <<Acc/binary, $\\, $\">>);
|
||||
%% backslash \ reverse solidus
|
||||
json_escape(<<$\\, Rest/binary>>, Acc) -> json_escape(Rest, <<Acc/binary, $\\, $\\>>);
|
||||
json_escape(<<$\\, Rest/binary>>, Acc) ->
|
||||
json_escape(Rest, <<Acc/binary, $\\, $\\>>);
|
||||
%% backspace
|
||||
json_escape(<<$\b, Rest/binary>>, Acc) -> json_escape(Rest, <<Acc/binary, $\\, $b>>);
|
||||
json_escape(<<$\b, Rest/binary>>, Acc) ->
|
||||
json_escape(Rest, <<Acc/binary, $\\, $b>>);
|
||||
%% form feed
|
||||
json_escape(<<$\f, Rest/binary>>, Acc) -> json_escape(Rest, <<Acc/binary, $\\, $f>>);
|
||||
json_escape(<<$\f, Rest/binary>>, Acc) ->
|
||||
json_escape(Rest, <<Acc/binary, $\\, $f>>);
|
||||
%% newline
|
||||
json_escape(<<$\n, Rest/binary>>, Acc) -> json_escape(Rest, <<Acc/binary, $\\, $n>>);
|
||||
json_escape(<<$\n, Rest/binary>>, Acc) ->
|
||||
json_escape(Rest, <<Acc/binary, $\\, $n>>);
|
||||
%% cr
|
||||
json_escape(<<$\r, Rest/binary>>, Acc) -> json_escape(Rest, <<Acc/binary, $\\, $r>>);
|
||||
json_escape(<<$\r, Rest/binary>>, Acc) ->
|
||||
json_escape(Rest, <<Acc/binary, $\\, $r>>);
|
||||
%% tab
|
||||
json_escape(<<$\t, Rest/binary>>, Acc) -> json_escape(Rest, <<Acc/binary, $\\, $t>>);
|
||||
json_escape(<<$\t, Rest/binary>>, Acc) ->
|
||||
json_escape(Rest, <<Acc/binary, $\\, $t>>);
|
||||
%% other control characters
|
||||
json_escape(<<C/utf8, Rest/binary>>, Acc) when C >= 0, C < $\s ->
|
||||
json_escape(Rest, <<Acc/binary, (json_escape_sequence(C))/binary>>);
|
||||
|
|
@ -382,8 +412,8 @@ json_escape(_, _) ->
|
|||
erlang:error(badarg).
|
||||
|
||||
|
||||
%% convert a codepoint to it's \uXXXX equiv. for laziness, this only handles codepoints
|
||||
%% this module might escape, ie, control characters
|
||||
%% convert a codepoint to it's \uXXXX equiv. for laziness, this only handles
|
||||
%% codepoints this module might escape, ie, control characters
|
||||
json_escape_sequence(C) when C < 16#20 ->
|
||||
<<_:8, A:4, B:4>> = <<C:16>>, % first two hex digits are always zero
|
||||
<<$\\, $u, $0, $0, (to_hex(A)), (to_hex(B))>>.
|
||||
|
|
@ -405,64 +435,194 @@ decode_test_() ->
|
|||
[
|
||||
{"empty object", ?_assert(json_to_term(<<"{}">>, []) =:= [{}])},
|
||||
{"empty array", ?_assert(json_to_term(<<"[]">>, []) =:= [])},
|
||||
{"simple object", ?_assert(json_to_term(<<"{\"a\": true, \"b\": true, \"c\": true}">>, [{label, atom}]) =:= [{a, true}, {b, true}, {c, true}])},
|
||||
{"simple array", ?_assert(json_to_term(<<"[true,true,true]">>, []) =:= [true, true, true])},
|
||||
{"nested structures", ?_assert(json_to_term(<<"{\"list\":[{\"list\":[{}, {}],\"object\":{}}, []],\"object\":{}}">>, [{label, atom}]) =:= [{list, [[{list, [[{}], [{}]]}, {object, [{}]}],[]]}, {object, [{}]}])},
|
||||
{"numbers", ?_assert(json_to_term(<<"[-10000000000.0, -1, 0.0, 0, 1, 10000000000, 1000000000.0]">>, []) =:= [-10000000000.0, -1, 0.0, 0, 1, 10000000000, 1000000000.0])},
|
||||
{"numbers (all floats)", ?_assert(json_to_term(<<"[-10000000000.0, -1, 0.0, 0, 1, 10000000000, 1000000000.0]">>, [{float, true}]) =:= [-10000000000.0, -1.0, 0.0, 0.0, 1.0, 10000000000.0, 1000000000.0])},
|
||||
{"strings", ?_assert(json_to_term(<<"[\"a string\"]">>, []) =:= [<<"a string">>])},
|
||||
{"literals", ?_assert(json_to_term(<<"[true,false,null]">>, []) =:= [true,false,null])},
|
||||
{"naked true", ?_assert(json_to_term(<<"true">>, [{strict, false}]) =:= true)},
|
||||
{"naked short number", ?_assert(json_to_term(<<"1">>, [{strict, false}]) =:= 1)},
|
||||
{"simple object",
|
||||
?_assert(json_to_term(
|
||||
<<"{\"a\": true, \"b\": true, \"c\": true}">>,
|
||||
[{label, atom}]
|
||||
) =:= [{a, true}, {b, true}, {c, true}]
|
||||
)
|
||||
},
|
||||
{"simple array",
|
||||
?_assert(json_to_term(<<"[true,true,true]">>,
|
||||
[]
|
||||
) =:= [true, true, true]
|
||||
)
|
||||
},
|
||||
{"nested structures",
|
||||
?_assert(json_to_term(
|
||||
<<"{\"x\":[{\"x\":[{}, {}],\"y\":{}}, []],\"y\":{}}">>,
|
||||
[{label, atom}]
|
||||
) =:= [{x, [[{x, [[{}], [{}]]}, {y, [{}]}],[]]}, {y, [{}]}]
|
||||
)
|
||||
},
|
||||
{"numbers",
|
||||
?_assert(json_to_term(
|
||||
<<"[-100000000.0, -1, 0.0, 0, 1, 100000000, 10000000.0]">>,
|
||||
[]
|
||||
) =:= [-100000000.0, -1, 0.0, 0, 1, 100000000, 10000000.0]
|
||||
)
|
||||
},
|
||||
{"numbers (all floats)",
|
||||
?_assert(json_to_term(
|
||||
<<"[-100000000.0, -1, 0.0, 0, 1, 1000, 10000000.0]">>,
|
||||
[{float, true}]
|
||||
) =:= [-100000000.0, -1.0, 0.0, 0.0, 1.0, 1000.0, 10000000.0]
|
||||
)
|
||||
},
|
||||
{"strings",
|
||||
?_assert(json_to_term(<<"[\"a string\"]">>,
|
||||
[]
|
||||
) =:= [<<"a string">>])
|
||||
},
|
||||
{"literals",
|
||||
?_assert(json_to_term(<<"[true,false,null]">>,
|
||||
[]
|
||||
) =:= [true,false,null]
|
||||
)
|
||||
},
|
||||
{"naked true",
|
||||
?_assert(json_to_term(<<"true">>, [{strict, false}]) =:= true)
|
||||
},
|
||||
{"naked short number",
|
||||
?_assert(json_to_term(<<"1">>, [{strict, false}]) =:= 1)
|
||||
},
|
||||
{"float", ?_assert(json_to_term(<<"1.0">>, [{strict, false}]) =:= 1.0)},
|
||||
{"naked string", ?_assert(json_to_term(<<"\"hello world\"">>, [{strict, false}]) =:= <<"hello world">>)},
|
||||
{"comments", ?_assert(json_to_term(<<"[ /* a comment in an empty array */ ]">>, [{comments, true}]) =:= [])}
|
||||
{"naked string",
|
||||
?_assert(json_to_term(<<"\"hello world\"">>,
|
||||
[{strict, false}]
|
||||
) =:= <<"hello world">>
|
||||
)
|
||||
},
|
||||
{"comments",
|
||||
?_assert(json_to_term(<<"[ /* a comment in an empty array */ ]">>,
|
||||
[{comments, true}]
|
||||
) =:= []
|
||||
)
|
||||
}
|
||||
].
|
||||
|
||||
encode_test_() ->
|
||||
[
|
||||
{"empty object", ?_assert(term_to_json([{}], []) =:= <<"{}">>)},
|
||||
{"empty array", ?_assert(term_to_json([], []) =:= <<"[]">>)},
|
||||
{"simple object", ?_assert(term_to_json([{a, true}, {b, true}, {c, true}], []) =:= <<"{\"a\":true,\"b\":true,\"c\":true}">>)},
|
||||
{"simple array", ?_assert(term_to_json([true, true, true], []) =:= <<"[true,true,true]">>)},
|
||||
{"nested structures", ?_assert(term_to_json([{list, [[{list, [[{}], [{}]]}, {object, [{}]}],[]]}, {object, [{}]}], []) =:= <<"{\"list\":[{\"list\":[{},{}],\"object\":{}},[]],\"object\":{}}">>)},
|
||||
{"numbers", ?_assert(term_to_json([-10000000000.0, -1, 0.0, 0, 1, 10000000000, 1000000000.0], []) =:= <<"[-1.0e10,-1,0.0,0,1,10000000000,1.0e9]">>)},
|
||||
{"strings", ?_assert(term_to_json([<<"a string">>], []) =:= <<"[\"a string\"]">>)},
|
||||
{"literals", ?_assert(term_to_json([true,false,null], []) =:= <<"[true,false,null]">>)},
|
||||
{"naked true", ?_assert(term_to_json(true, [{strict, false}]) =:= <<"true">>)},
|
||||
{"naked number", ?_assert(term_to_json(1, [{strict, false}]) =:= <<"1">>)},
|
||||
{"simple object",
|
||||
?_assert(term_to_json([{a, true}, {b, true}, {c, true}],
|
||||
[]
|
||||
) =:= <<"{\"a\":true,\"b\":true,\"c\":true}">>
|
||||
)
|
||||
},
|
||||
{"simple array",
|
||||
?_assert(term_to_json([true, true, true],
|
||||
[]
|
||||
) =:= <<"[true,true,true]">>
|
||||
)
|
||||
},
|
||||
{"nested structures",
|
||||
?_assert(term_to_json(
|
||||
[{x, [[{x, [[{}], [{}]]}, {y, [{}]}],[]]}, {y, [{}]}],
|
||||
[]
|
||||
) =:= <<"{\"x\":[{\"x\":[{},{}],\"y\":{}},[]],\"y\":{}}">>
|
||||
)
|
||||
},
|
||||
{"numbers",
|
||||
?_assert(term_to_json(
|
||||
[-10000000000.0, -1, 0.0, 0, 1, 10000000, 1000000000.0],
|
||||
[]
|
||||
) =:= <<"[-1.0e10,-1,0.0,0,1,10000000,1.0e9]">>
|
||||
)
|
||||
},
|
||||
{"strings",
|
||||
?_assert(term_to_json([<<"a string">>],
|
||||
[]
|
||||
) =:= <<"[\"a string\"]">>
|
||||
)
|
||||
},
|
||||
{"literals",
|
||||
?_assert(term_to_json([true,false,null],
|
||||
[]
|
||||
) =:= <<"[true,false,null]">>
|
||||
)
|
||||
},
|
||||
{"naked true",
|
||||
?_assert(term_to_json(true, [{strict, false}]) =:= <<"true">>)
|
||||
},
|
||||
{"naked number",
|
||||
?_assert(term_to_json(1, [{strict, false}]) =:= <<"1">>)
|
||||
},
|
||||
{"float", ?_assert(term_to_json(1.0, [{strict, false}]) =:= <<"1.0">>)},
|
||||
{"naked string", ?_assert(term_to_json(<<"hello world">>, [{strict, false}]) =:= <<"\"hello world\"">>)}
|
||||
{"naked string",
|
||||
?_assert(term_to_json(<<"hello world">>,
|
||||
[{strict, false}]
|
||||
) =:= <<"\"hello world\"">>
|
||||
)
|
||||
}
|
||||
].
|
||||
|
||||
repeated_keys_test_() ->
|
||||
[
|
||||
{"encode", ?_assertError(badarg, term_to_json([{k, true}, {k, false}], []))},
|
||||
{"decode", ?_assertError(badarg, json_to_term(<<"{\"k\": true, \"k\": false}">>, []))}
|
||||
{"encode",
|
||||
?_assertError(badarg, term_to_json([{k, true}, {k, false}], []))
|
||||
},
|
||||
{"decode",
|
||||
?_assertError(badarg, json_to_term(
|
||||
<<"{\"k\": true, \"k\": false}">>,
|
||||
[]
|
||||
)
|
||||
)
|
||||
}
|
||||
].
|
||||
|
||||
escape_test_() ->
|
||||
[
|
||||
{"json string escaping", ?_assert(json_escape(<<"\"\\\b\f\n\r\t">>) =:= <<"\\\"\\\\\\b\\f\\n\\r\\t">>)},
|
||||
{"json string hex escape", ?_assert(json_escape(<<1, 2, 3, 11, 26, 30, 31>>) =:= <<"\\u0001\\u0002\\u0003\\u000b\\u001a\\u001e\\u001f">>)}
|
||||
{"json string escaping",
|
||||
?_assert(json_escape(
|
||||
<<"\"\\\b\f\n\r\t">>
|
||||
) =:= <<"\\\"\\\\\\b\\f\\n\\r\\t">>
|
||||
)
|
||||
},
|
||||
{"json string hex escape",
|
||||
?_assert(json_escape(
|
||||
<<1, 2, 3, 11, 26, 30, 31>>
|
||||
) =:= <<"\\u0001\\u0002\\u0003\\u000b\\u001a\\u001e\\u001f">>
|
||||
)
|
||||
}
|
||||
].
|
||||
|
||||
nice_decimal_test_() ->
|
||||
[
|
||||
{"0.0", ?_assert(float_to_decimal(0.0) =:= "0.0")},
|
||||
{"1.0", ?_assert(float_to_decimal(1.0) =:= "1.0")},
|
||||
{"-1.0", ?_assert(float_to_decimal(-1.0) =:= "-1.0")},
|
||||
{"3.1234567890987654321", ?_assert(float_to_decimal(3.1234567890987654321) =:= "3.1234567890987655")},
|
||||
{"1.0e23", ?_assert(float_to_decimal(1.0e23) =:= "1.0e23")},
|
||||
{"0.3", ?_assert(float_to_decimal(3.0/10.0) =:= "0.3")},
|
||||
{"0.0001", ?_assert(float_to_decimal(0.0001) =:= "1.0e-4")},
|
||||
{"0.00000001", ?_assert(float_to_decimal(0.00000001) =:= "1.0e-8")},
|
||||
{"1.0e-323", ?_assert(float_to_decimal(1.0e-323) =:= "1.0e-323")},
|
||||
{"1.0e308", ?_assert(float_to_decimal(1.0e308) =:= "1.0e308")},
|
||||
{"min normalized float", ?_assert(float_to_decimal(math:pow(2, -1022)) =:= "2.2250738585072014e-308")},
|
||||
{"max normalized float", ?_assert(float_to_decimal((2 - math:pow(2, -52)) * math:pow(2, 1023)) =:= "1.7976931348623157e308")},
|
||||
{"min denormalized float", ?_assert(float_to_decimal(math:pow(2, -1074)) =:= "5.0e-324")},
|
||||
{"max denormalized float", ?_assert(float_to_decimal((1 - math:pow(2, -52)) * math:pow(2, -1022)) =:= "2.225073858507201e-308")}
|
||||
{"0.0", ?_assert(nice_decimal(0.0) =:= "0.0")},
|
||||
{"1.0", ?_assert(nice_decimal(1.0) =:= "1.0")},
|
||||
{"-1.0", ?_assert(nice_decimal(-1.0) =:= "-1.0")},
|
||||
{"3.1234567890987654321",
|
||||
?_assert(
|
||||
nice_decimal(3.1234567890987654321) =:= "3.1234567890987655")
|
||||
},
|
||||
{"1.0e23", ?_assert(nice_decimal(1.0e23) =:= "1.0e23")},
|
||||
{"0.3", ?_assert(nice_decimal(3.0/10.0) =:= "0.3")},
|
||||
{"0.0001", ?_assert(nice_decimal(0.0001) =:= "1.0e-4")},
|
||||
{"0.00000001", ?_assert(nice_decimal(0.00000001) =:= "1.0e-8")},
|
||||
{"1.0e-323", ?_assert(nice_decimal(1.0e-323) =:= "1.0e-323")},
|
||||
{"1.0e308", ?_assert(nice_decimal(1.0e308) =:= "1.0e308")},
|
||||
{"min normalized float",
|
||||
?_assert(
|
||||
nice_decimal(math:pow(2, -1022)) =:= "2.2250738585072014e-308"
|
||||
)
|
||||
},
|
||||
{"max normalized float",
|
||||
?_assert(
|
||||
nice_decimal((2 - math:pow(2, -52)) * math:pow(2, 1023))
|
||||
=:= "1.7976931348623157e308"
|
||||
)
|
||||
},
|
||||
{"min denormalized float",
|
||||
?_assert(nice_decimal(math:pow(2, -1074)) =:= "5.0e-324")
|
||||
},
|
||||
{"max denormalized float",
|
||||
?_assert(
|
||||
nice_decimal((1 - math:pow(2, -52)) * math:pow(2, -1022))
|
||||
=:= "2.225073858507201e-308"
|
||||
)
|
||||
}
|
||||
].
|
||||
|
||||
-endif.
|
||||
Loading…
Add table
Add a link
Reference in a new issue