util: Return empty vector on invalid hex encoding

This commit is contained in:
MarcoFalke
2023-02-27 13:39:17 +01:00
parent fa3549a77b
commit faab273e06
3 changed files with 34 additions and 17 deletions

View File

@@ -140,42 +140,52 @@ BOOST_AUTO_TEST_CASE(parse_hex)
// Basic test vector
result = ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f");
BOOST_CHECK_EQUAL_COLLECTIONS(result.begin(), result.end(), expected.begin(), expected.end());
result = TryParseHex<uint8_t>("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f").value();
BOOST_CHECK_EQUAL_COLLECTIONS(result.begin(), result.end(), expected.begin(), expected.end());
// Spaces between bytes must be supported
result = ParseHex("12 34 56 78");
BOOST_CHECK(result.size() == 4 && result[0] == 0x12 && result[1] == 0x34 && result[2] == 0x56 && result[3] == 0x78);
result = TryParseHex<uint8_t>("12 34 56 78").value();
BOOST_CHECK(result.size() == 4 && result[0] == 0x12 && result[1] == 0x34 && result[2] == 0x56 && result[3] == 0x78);
// Leading space must be supported (used in BerkeleyEnvironment::Salvage)
result = ParseHex(" 89 34 56 78");
BOOST_CHECK(result.size() == 4 && result[0] == 0x89 && result[1] == 0x34 && result[2] == 0x56 && result[3] == 0x78);
result = TryParseHex<uint8_t>(" 89 34 56 78").value();
BOOST_CHECK(result.size() == 4 && result[0] == 0x89 && result[1] == 0x34 && result[2] == 0x56 && result[3] == 0x78);
// Mixed case and spaces are supported
result = ParseHex(" Ff aA ");
BOOST_CHECK(result.size() == 2 && result[0] == 0xff && result[1] == 0xaa);
result = TryParseHex<uint8_t>(" Ff aA ").value();
BOOST_CHECK(result.size() == 2 && result[0] == 0xff && result[1] == 0xaa);
// Empty string is supported
result = ParseHex("");
BOOST_CHECK(result.size() == 0);
result = TryParseHex<uint8_t>("").value();
BOOST_CHECK(result.size() == 0);
// Spaces between nibbles is treated as end
result = ParseHex("AAF F");
BOOST_CHECK(result.size() == 1 && result[0] == 0xaa);
// Spaces between nibbles is treated as invalid
BOOST_CHECK_EQUAL(ParseHex("AAF F").size(), 0);
BOOST_CHECK(!TryParseHex("AAF F").has_value());
// Embedded null is treated as end
// Embedded null is treated as invalid
const std::string with_embedded_null{" 11 "s
" \0 "
" 22 "s};
BOOST_CHECK_EQUAL(with_embedded_null.size(), 11);
result = ParseHex(with_embedded_null);
BOOST_CHECK(result.size() == 1 && result[0] == 0x11);
BOOST_CHECK_EQUAL(ParseHex(with_embedded_null).size(), 0);
BOOST_CHECK(!TryParseHex(with_embedded_null).has_value());
// Stop parsing at invalid value
result = ParseHex("1234 invalid 1234");
BOOST_CHECK(result.size() == 2 && result[0] == 0x12 && result[1] == 0x34);
// Non-hex is treated as invalid
BOOST_CHECK_EQUAL(ParseHex("1234 invalid 1234").size(), 0);
BOOST_CHECK(!TryParseHex("1234 invalid 1234").has_value());
// Truncated input is treated as end
result = ParseHex("12 3");
BOOST_CHECK(result.size() == 1 && result[0] == 0x12);
// Truncated input is treated as invalid
BOOST_CHECK_EQUAL(ParseHex("12 3").size(), 0);
BOOST_CHECK(!TryParseHex("12 3").has_value());
}
BOOST_AUTO_TEST_CASE(util_HexStr)