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bad utf8 tests for clean_string/2

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This commit is contained in:
alisdair sullivan 2013-02-05 12:24:56 -08:00
parent d8cde35e45
commit 052a92d325
1 changed files with 140 additions and 177 deletions
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317
src/jsx_utils.erl
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@ -589,204 +589,167 @@ opts_test_() ->
].
xcode(Bin) -> xcode(Bin, #opts{}).
xcode(Bin, [replaced_bad_utf8]) -> xcode(Bin, #opts{replaced_bad_utf8=true});
xcode(Bin, Opts) ->
try clean_string(Bin, Opts)
catch error:badarg -> {error, badarg}
end.
is_bad({error, badarg}) -> true;
is_bad(_) -> false.
bad_utf8_test_() ->
[
{"orphan continuation byte u+0080",
?_assert(is_bad(xcode(<<16#0080>>)))
?_assertError(badarg, clean_string(<<16#0080>>, #opts{}))
},
{"orphan continuation byte u+0080 replaced",
?_assertEqual(xcode(<<16#0080>>, [replaced_bad_utf8]), <<16#fffd/utf8>>)
?_assertEqual(<<16#fffd/utf8>>, clean_string(<<16#0080>>, #opts{replaced_bad_utf8=true}))
},
{"orphan continuation byte u+00bf",
?_assert(is_bad(xcode(<<16#00bf>>)))
?_assertError(badarg, clean_string(<<16#00bf>>, #opts{}))
},
{"orphan continuation byte u+00bf replaced",
?_assertEqual(xcode(<<16#00bf>>, [replaced_bad_utf8]), <<16#fffd/utf8>>)
?_assertEqual(<<16#fffd/utf8>>, clean_string(<<16#00bf>>, #opts{replaced_bad_utf8=true}))
},
{"2 continuation bytes",
?_assert(is_bad(xcode(<<(binary:copy(<<16#0080>>, 2))/binary>>)))
},
{"2 continuation bytes replaced",
?_assertEqual(
xcode(<<(binary:copy(<<16#0080>>, 2))/binary>>, [replaced_bad_utf8]),
binary:copy(<<16#fffd/utf8>>, 2)
)
?_assertError(badarg, clean_string(<<(binary:copy(<<16#0080>>, 2))/binary>>, #opts{}))
},
{"2 continuation bytes replaced", ?_assertEqual(
binary:copy(<<16#fffd/utf8>>, 2),
clean_string(<<(binary:copy(<<16#0080>>, 2))/binary>>, #opts{replaced_bad_utf8=true})
)},
{"3 continuation bytes",
?_assert(is_bad(xcode(<<(binary:copy(<<16#0080>>, 3))/binary>>)))
},
{"3 continuation bytes replaced",
?_assertEqual(
xcode(<<(binary:copy(<<16#0080>>, 3))/binary>>, [replaced_bad_utf8]),
binary:copy(<<16#fffd/utf8>>, 3)
)
?_assertError(badarg, clean_string(<<(binary:copy(<<16#0080>>, 3))/binary>>, #opts{}))
},
{"3 continuation bytes replaced", ?_assertEqual(
binary:copy(<<16#fffd/utf8>>, 3),
clean_string(<<(binary:copy(<<16#0080>>, 3))/binary>>, #opts{replaced_bad_utf8=true})
)},
{"4 continuation bytes",
?_assert(is_bad(xcode(<<(binary:copy(<<16#0080>>, 4))/binary>>)))
},
{"4 continuation bytes replaced",
?_assertEqual(
xcode(<<(binary:copy(<<16#0080>>, 4))/binary>>, [replaced_bad_utf8]),
binary:copy(<<16#fffd/utf8>>, 4)
)
?_assertError(badarg, clean_string(<<(binary:copy(<<16#0080>>, 4))/binary>>, #opts{}))
},
{"4 continuation bytes replaced", ?_assertEqual(
binary:copy(<<16#fffd/utf8>>, 4),
clean_string(<<(binary:copy(<<16#0080>>, 4))/binary>>, #opts{replaced_bad_utf8=true})
)},
{"5 continuation bytes",
?_assert(is_bad(xcode(<<(binary:copy(<<16#0080>>, 5))/binary>>)))
},
{"5 continuation bytes replaced",
?_assertEqual(
xcode(<<(binary:copy(<<16#0080>>, 5))/binary>>, [replaced_bad_utf8]),
binary:copy(<<16#fffd/utf8>>, 5)
)
?_assertError(badarg, clean_string(<<(binary:copy(<<16#0080>>, 5))/binary>>, #opts{}))
},
{"5 continuation bytes replaced", ?_assertEqual(
binary:copy(<<16#fffd/utf8>>, 5),
clean_string(<<(binary:copy(<<16#0080>>, 5))/binary>>, #opts{replaced_bad_utf8=true})
)},
{"6 continuation bytes",
?_assert(is_bad(xcode(<<(binary:copy(<<16#0080>>, 6))/binary>>)))
?_assertError(badarg, clean_string(<<(binary:copy(<<16#0080>>, 6))/binary>>, #opts{}))
},
{"6 continuation bytes replaced",
?_assertEqual(
xcode(<<(binary:copy(<<16#0080>>, 6))/binary>>, [replaced_bad_utf8]),
binary:copy(<<16#fffd/utf8>>, 6)
{"6 continuation bytes replaced", ?_assertEqual(
binary:copy(<<16#fffd/utf8>>, 6),
clean_string(<<(binary:copy(<<16#0080>>, 6))/binary>>, #opts{replaced_bad_utf8=true})
)},
{"all continuation bytes", ?_assertError(
badarg,
clean_string(<<(list_to_binary(lists:seq(16#0080, 16#00bf)))/binary>>, #opts{})
)},
{"all continuation bytes replaced", ?_assertEqual(
binary:copy(<<16#fffd/utf8>>, length(lists:seq(16#0080, 16#00bf))),
clean_string(
<<(list_to_binary(lists:seq(16#0080, 16#00bf)))/binary>>,
#opts{replaced_bad_utf8=true}
)
},
{"all continuation bytes",
?_assert(is_bad(xcode(<<(list_to_binary(lists:seq(16#0080, 16#00bf)))/binary>>)))
},
{"all continuation bytes replaced",
?_assertEqual(
xcode(<<(list_to_binary(lists:seq(16#0080, 16#00bf)))/binary>>, [replaced_bad_utf8]),
binary:copy(<<16#fffd/utf8>>, length(lists:seq(16#0080, 16#00bf)))
)
},
{"lonely start byte",
?_assert(is_bad(xcode(<<16#00c0>>)))
},
{"lonely start byte replaced",
?_assertEqual(
xcode(<<16#00c0>>, [replaced_bad_utf8]),
<<16#fffd/utf8>>
)
},
{"lonely start bytes (2 byte)",
?_assert(is_bad(xcode(<<16#00c0, 32, 16#00df>>)))
},
{"lonely start bytes (2 byte) replaced",
?_assertEqual(
xcode(<<16#00c0, 32, 16#00df>>, [replaced_bad_utf8]),
<<16#fffd/utf8, 32, 16#fffd/utf8>>
)
},
{"lonely start bytes (3 byte)",
?_assert(is_bad(xcode(<<16#00e0, 32, 16#00ef>>)))
},
{"lonely start bytes (3 byte) replaced",
?_assertEqual(
xcode(<<16#00e0, 32, 16#00ef>>, [replaced_bad_utf8]),
<<16#fffd/utf8, 32, 16#fffd/utf8>>
)
},
{"lonely start bytes (4 byte)",
?_assert(is_bad(xcode(<<16#00f0, 32, 16#00f7>>)))
},
{"lonely start bytes (4 byte) replaced",
?_assertEqual(
xcode(<<16#00f0, 32, 16#00f7>>, [replaced_bad_utf8]),
<<16#fffd/utf8, 32, 16#fffd/utf8>>
)
},
{"missing continuation byte (3 byte)",
?_assert(is_bad(xcode(<<224, 160, 32>>)))
},
{"missing continuation byte (3 byte) replaced",
?_assertEqual(
xcode(<<224, 160, 32>>, [replaced_bad_utf8]),
<<16#fffd/utf8, 32>>
)
},
{"missing continuation byte (4 byte missing one)",
?_assert(is_bad(xcode(<<240, 144, 128, 32>>)))
},
{"missing continuation byte (4 byte missing one) replaced",
?_assertEqual(
xcode(<<240, 144, 128, 32>>, [replaced_bad_utf8]),
<<16#fffd/utf8, 32>>
)
},
{"missing continuation byte (4 byte missing two)",
?_assert(is_bad(xcode(<<240, 144, 32>>)))
},
{"missing continuation byte (4 byte missing two) replaced",
?_assertEqual(
xcode(<<240, 144, 32>>, [replaced_bad_utf8]),
<<16#fffd/utf8, 32>>
)
},
{"overlong encoding of u+002f (2 byte)",
?_assert(is_bad(xcode(<<16#c0, 16#af, 32>>)))
},
{"overlong encoding of u+002f (2 byte) replaced",
?_assertEqual(
xcode(<<16#c0, 16#af, 32>>, [replaced_bad_utf8]),
<<16#fffd/utf8, 32>>
)
},
{"overlong encoding of u+002f (3 byte)",
?_assert(is_bad(xcode(<<16#e0, 16#80, 16#af, 32>>)))
},
{"overlong encoding of u+002f (3 byte) replaced",
?_assertEqual(
xcode(<<16#e0, 16#80, 16#af, 32>>, [replaced_bad_utf8]),
<<16#fffd/utf8, 32>>
)
},
{"overlong encoding of u+002f (4 byte)",
?_assert(is_bad(xcode(<<16#f0, 16#80, 16#80, 16#af, 32>>)))
},
{"overlong encoding of u+002f (4 byte) replaced",
?_assertEqual(
xcode(<<16#f0, 16#80, 16#80, 16#af, 32>>, [replaced_bad_utf8]),
<<16#fffd/utf8, 32>>
)
},
{"highest overlong 2 byte sequence",
?_assert(is_bad(xcode(<<16#c1, 16#bf, 32>>)))
},
{"highest overlong 2 byte sequence replaced",
?_assertEqual(
xcode(<<16#c1, 16#bf, 32>>, [replaced_bad_utf8]),
<<16#fffd/utf8, 32>>
)
},
{"highest overlong 3 byte sequence",
?_assert(is_bad(xcode(<<16#e0, 16#9f, 16#bf, 32>>)))
},
{"highest overlong 3 byte sequence replaced",
?_assertEqual(
xcode(<<16#e0, 16#9f, 16#bf, 32>>, [replaced_bad_utf8]),
<<16#fffd/utf8, 32>>
)
},
{"highest overlong 4 byte sequence",
?_assert(is_bad(xcode(<<16#f0, 16#8f, 16#bf, 16#bf, 32>>)))
},
{"highest overlong 4 byte sequence replaced",
?_assertEqual(
xcode(<<16#f0, 16#8f, 16#bf, 16#bf, 32>>, [replaced_bad_utf8]),
<<16#fffd/utf8, 32>>
)
}
)},
{"lonely start byte", ?_assertError(badarg, clean_string(<<16#00c0>>, #opts{}))},
{"lonely start byte replaced", ?_assertEqual(
<<16#fffd/utf8>>,
clean_string(<<16#00c0>>, #opts{replaced_bad_utf8=true})
)},
{"lonely start bytes (2 byte)", ?_assertError(
badarg,
clean_string(<<16#00c0, 32, 16#00df>>, #opts{})
)},
{"lonely start bytes (2 byte) replaced", ?_assertEqual(
<<16#fffd/utf8, 32, 16#fffd/utf8>>,
clean_string(<<16#00c0, 32, 16#00df>>, #opts{replaced_bad_utf8=true})
)},
{"lonely start bytes (3 byte)", ?_assertError(
badarg,
clean_string(<<16#00e0, 32, 16#00ef>>, #opts{})
)},
{"lonely start bytes (3 byte) replaced", ?_assertEqual(
<<16#fffd/utf8, 32, 16#fffd/utf8>>,
clean_string(<<16#00e0, 32, 16#00ef>>, #opts{replaced_bad_utf8=true})
)},
{"lonely start bytes (4 byte)", ?_assertError(
badarg,
clean_string(<<16#00f0, 32, 16#00f7>>, #opts{})
)},
{"lonely start bytes (4 byte) replaced", ?_assertEqual(
<<16#fffd/utf8, 32, 16#fffd/utf8>>,
clean_string(<<16#00f0, 32, 16#00f7>>, #opts{replaced_bad_utf8=true})
)},
{"missing continuation byte (3 byte)", ?_assertError(
badarg,
clean_string(<<224, 160, 32>>, #opts{})
)},
{"missing continuation byte (3 byte) replaced", ?_assertEqual(
<<16#fffd/utf8, 32>>,
clean_string(<<224, 160, 32>>, #opts{replaced_bad_utf8=true})
)},
{"missing continuation byte (4 byte missing one)", ?_assertError(
badarg,
clean_string(<<240, 144, 128, 32>>, #opts{})
)},
{"missing continuation byte (4 byte missing one) replaced", ?_assertEqual(
<<16#fffd/utf8, 32>>,
clean_string(<<240, 144, 128, 32>>, #opts{replaced_bad_utf8=true})
)},
{"missing continuation byte (4 byte missing two)", ?_assertError(
badarg,
clean_string(<<240, 144, 32>>, #opts{})
)},
{"missing continuation byte (4 byte missing two) replaced", ?_assertEqual(
<<16#fffd/utf8, 32>>,
clean_string(<<240, 144, 32>>, #opts{replaced_bad_utf8=true})
)},
{"overlong encoding of u+002f (2 byte)", ?_assertError(
badarg,
clean_string(<<16#c0, 16#af, 32>>, #opts{})
)},
{"overlong encoding of u+002f (2 byte) replaced", ?_assertEqual(
<<16#fffd/utf8, 32>>,
clean_string(<<16#c0, 16#af, 32>>, #opts{replaced_bad_utf8=true})
)},
{"overlong encoding of u+002f (3 byte)", ?_assertError(
badarg,
clean_string(<<16#e0, 16#80, 16#af, 32>>, #opts{})
)},
{"overlong encoding of u+002f (3 byte) replaced", ?_assertEqual(
<<16#fffd/utf8, 32>>,
clean_string(<<16#e0, 16#80, 16#af, 32>>, #opts{replaced_bad_utf8=true})
)},
{"overlong encoding of u+002f (4 byte)", ?_assertError(
badarg,
clean_string(<<16#f0, 16#80, 16#80, 16#af, 32>>, #opts{})
)},
{"overlong encoding of u+002f (4 byte) replaced", ?_assertEqual(
<<16#fffd/utf8, 32>>,
clean_string(<<16#f0, 16#80, 16#80, 16#af, 32>>, #opts{replaced_bad_utf8=true})
)},
{"highest overlong 2 byte sequence", ?_assertError(
badarg,
clean_string(<<16#c1, 16#bf, 32>>, #opts{})
)},
{"highest overlong 2 byte sequence replaced", ?_assertEqual(
<<16#fffd/utf8, 32>>,
clean_string(<<16#c1, 16#bf, 32>>, #opts{replaced_bad_utf8=true})
)},
{"highest overlong 3 byte sequence", ?_assertError(
badarg,
clean_string(<<16#e0, 16#9f, 16#bf, 32>>, #opts{})
)},
{"highest overlong 3 byte sequence replaced", ?_assertEqual(
<<16#fffd/utf8, 32>>,
clean_string(<<16#e0, 16#9f, 16#bf, 32>>, #opts{replaced_bad_utf8=true})
)},
{"highest overlong 4 byte sequence", ?_assertError(
badarg,
clean_string(<<16#f0, 16#8f, 16#bf, 16#bf, 32>>, #opts{})
)},
{"highest overlong 4 byte sequence replaced", ?_assertEqual(
<<16#fffd/utf8, 32>>,
clean_string(<<16#f0, 16#8f, 16#bf, 16#bf, 32>>, #opts{replaced_bad_utf8=true})
)}
].