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add test suite for json_escape in decoder

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This commit is contained in:
alisdair sullivan 2012-03-31 12:30:47 -07:00
parent ae2aae1ebf
commit 60bc46e2d4
1 changed files with 37 additions and 9 deletions
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46
src/jsx_decoder.erl
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@ -1462,16 +1462,29 @@ escape_forward_slash_test_() ->
].
json_escape_test_() ->
escapes_test_() ->
[
{"json escape test", ?_assertEqual(
decode(<<"[\"a string\\n\"]">>, [json_escape]),
[start_array, {string, <<"a string\\n">>}, end_array, end_json]
{"backspace escape", ?_assertEqual(decode(<<"\"\\b\"">>, [json_escape]), [{string, <<"\\b">>}, end_json])},
{"formfeed escape", ?_assertEqual(decode(<<"\"\\f\"">>, [json_escape]), [{string, <<"\\f">>}, end_json])},
{"newline escape", ?_assertEqual(decode(<<"\"\\n\"">>, [json_escape]), [{string, <<"\\n">>}, end_json])},
{"carriage return escape", ?_assertEqual(decode(<<"\"\\r\"">>, [json_escape]), [{string, <<"\\r">>}, end_json])},
{"tab escape", ?_assertEqual(decode(<<"\"\\t\"">>, [json_escape]), [{string, <<"\\t">>}, end_json])},
{"quote escape", ?_assertEqual(decode(<<"\"\\\"\"">>, [json_escape]), [{string, <<"\\\"">>}, end_json])},
{"single quote escape", ?_assertEqual(decode(<<"\"'\"">>, [json_escape, single_quotes]), [{string, <<"\\'">>}, end_json])},
{"no single quote escape", ?_assertEqual(decode(<<"\"'\"">>, [json_escape]), [{string, <<"'">>}, end_json])},
{"forward slash escape", ?_assertEqual(decode(<<"\"/\"">>, [json_escape, escape_forward_slash]), [{string, <<"\\/">>}, end_json])},
{"no forward slash escape", ?_assertEqual(decode(<<"\"/\"">>, [json_escape]), [{string, <<"/">>}, end_json])},
{"back slash escape", ?_assertEqual(decode(<<"\"\\\\\"">>, [json_escape]), [{string, <<"\\\\">>}, end_json])},
{"jsonp escape", ?_assertEqual(
decode(<<$\", 16#2028/utf8, 16#2029/utf8, $\">>, [json_escape]),
[{string, <<"\\u2028\\u2029">>}, end_json]
)},
{"no json escape test", ?_assertEqual(
decode(<<"[\"a string\\n\"]">>),
[start_array, {string, <<"a string\n">>}, end_array, end_json]
)}
{"no jsonp escape", ?_assertEqual(
decode(<<$\", 16#2028/utf8, 16#2029/utf8, $\">>, [json_escape, no_jsonp_escapes]),
[{string, <<16#2028/utf8, 16#2029/utf8>>}, end_json]
)},
{"control escape", ?_assertEqual(decode(<<$\", "\\u0000"/utf8, $\">>, [json_escape]), [{string, <<"\\u0000">>}, end_json])},
{"dirty strings", ?_assertEqual(decode(<<"\"\\n\"">>, [json_escape, dirty_strings]), [{string, <<"\n">>}, end_json])}
].
@ -1532,8 +1545,23 @@ good_characters_test_() ->
{"acceptable codepoints",
?_assert(check_good(good()))
},
{"acceptable codepoints - json_escape",
?_assert(check_good(good(), [json_escape]))
},
{"acceptable codepoints - loose_unicode",
?_assert(check_good(good(), [json_escape]))
},
{"acceptable codepoints - json_escape + loose_unicode",
?_assert(check_good(good(), [json_escape, loose_unicode]))
},
{"acceptable extended",
?_assert(check_good(good_extended()))
},
{"acceptable extended - json_escape",
?_assert(check_good(good_extended(), [json_escape]))
},
{"acceptable extended - json_escape",
?_assert(check_good(good_extended(), [loose_unicode]))
}
].
@ -1595,7 +1623,7 @@ good_extended() -> [16#10000, 16#20000, 16#30000, 16#40000, 16#50000,
] ++ lists:seq(16#100000, 16#10fffd).
%% erlang refuses to encode certain codepoints, so fake them all
%% erlang refuses to decode certain codepoints, so fake them all
to_fake_utf(N, utf8) when N < 16#0080 -> <<34/utf8, N:8, 34/utf8>>;
to_fake_utf(N, utf8) when N < 16#0800 ->
<<0:5, Y:5, X:6>> = <<N:16>>,