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/*
* Copyright (c) 2015-2022, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "parser/utf8_validate.h"
#include "ue2common.h"
#include "util/string_util.h"
#include "gtest/gtest.h"
using namespace testing;
using namespace ue2;
struct ValidUtf8TestInfo {
std::string str;
bool is_valid;
};
// Helper for gtest.
static
void PrintTo(const ValidUtf8TestInfo &t, ::std::ostream *os) {
*os << "(\"" << printable(t.str) << "\", " << t.is_valid << ")";
}
static ValidUtf8TestInfo valid_utf8_tests[] = {
// Trivial ASCII.
{"foobar", true},
{"0", true},
{"\x7e", true},
{"hatstand\tteakettle\tbadgerbrush\n", true},
// Some valid UTF-8: Movie titles!
{"À bout de souffle", true},
{"拳銃は俺のパスポート", true},
{"大醉俠", true},
{"龙门客栈", true},
{"공동경비구역", true},
{"জলসাঘর", true},
// Valid one-byte caseS.
{"\x7f", true}, // \x7f is valid
// These bytes should never appear in a UTF-8 stream.
{"\xc0", false},
{"\xc1", false},
{"\xf5", false},
{"\xf6", false},
{"\xf7", false},
{"\xf8", false},
{"\xf9", false},
{"\xfa", false},
{"\xfc", false},
{"\xfd", false},
{"\xfe", false},
{"\xff", false},
{"\xff", false},
// Examples from RFC-3629 section 7.
{"\x41\xe2\x89\xa2\xce\x91\x2e", true},
{"\xed\x95\x9c\xea\xb5\xad\xec\x96\xb4", true},
{"\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e", true},
{"\xef\xbb\xbf\xf0\xa3\x8e\xb4", true},
// Examples from RFC-3629 section 10. (security concerns)
{"/../", true},
{"\x2f\xc0\xae\x2e\x2f", false}, // overlong
// Overlong encodings
{"\xc0\xc1", false}, // 'a' as two bytes
{"\xe0\x80\xc1", false}, // 'a' as three bytes
{"\xf0\x80\x80\xc1", false}, // 'a' as four bytes
/* invalid continuing bytes */
{"\xd1\xf1", false},
{"\xef\xbf\xf1", false},
{"\xef\xf1\xbf", false},
{"\xf1\xf1\xf1\xf1", false},
{"\xf1\xbf\xbf\xf1", false},
{"\xf1\xbf\xf1\xbf", false},
{"\xf1\xf1\xbf\xbf", false},
// UTF-16 surrogates
{"\xed\xa0\x80", false}, // U+D800
{"\xed\xb2\x80", false}, // U+DC80
};
class ValidUtf8Test : public TestWithParam<ValidUtf8TestInfo> {};
INSTANTIATE_TEST_CASE_P(ValidUtf8, ValidUtf8Test, ValuesIn(valid_utf8_tests));
TEST_P(ValidUtf8Test, check) {
const auto &info = GetParam();
SCOPED_TRACE(testing::Message() << "String is: " << printable(info.str));
ASSERT_EQ(info.is_valid, isValidUtf8(info.str.c_str(), info.str.size()));
}
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