Differential D11515 Diff 33669 src/test/serialize_tests.cpp

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src/test/serialize_tests.cpp

Show First 20 Lines • Show All 436 Lines • ▼ Show 20 Lines	BOOST_AUTO_TEST_CASE(class_methods) {
BOOST_CHECK(methodtest3 == methodtest4);		BOOST_CHECK(methodtest3 == methodtest4);

CDataStream ss2(SER_DISK, PROTOCOL_VERSION, intval, boolval, stringval,		CDataStream ss2(SER_DISK, PROTOCOL_VERSION, intval, boolval, stringval,
charstrval, txval);		charstrval, txval);
ss2 >> methodtest3;		ss2 >> methodtest3;
BOOST_CHECK(methodtest3 == methodtest4);		BOOST_CHECK(methodtest3 == methodtest4);
}		}

		BOOST_AUTO_TEST_CASE(difference_formatter) {
		VectorFormatter<DifferenceFormatter> formatter;

		{
		std::vector<uint32_t> indicesIn{0, 1, 2, 5, 10, 20, 50, 100};
		std::vector<uint32_t> indicesOut;

		CDataStream ss(SER_DISK, PROTOCOL_VERSION);
		formatter.Ser(ss, indicesIn);

		// Check the stream is differentially encoded. Don't care about the
		// prefixes and vector length here (assumed to be < 253).
		const std::string streamStr = ss.str();
		const std::string differences =
		HexStr(streamStr.substr(streamStr.size() - indicesIn.size()));
		BOOST_CHECK_EQUAL(differences, "0000000204091d31");

		formatter.Unser(ss, indicesOut);
		BOOST_CHECK_EQUAL_COLLECTIONS(indicesIn.begin(), indicesIn.end(),
		indicesOut.begin(), indicesOut.end());
		}

		{
		std::vector<uint32_t> indicesIn{1, 0};

		CDataStream ss(SER_DISK, PROTOCOL_VERSION);
		BOOST_CHECK_EXCEPTION(formatter.Ser(ss, indicesIn),
		std::ios_base::failure,
		HasReason("differential value overflow"));
		}

		{
		std::vector<uint32_t> indicesOut;

		// Compute the number of MAX_SIZE increment we need to cause an overflow
		const uint64_t overflow =
		uint64_t(std::numeric_limits<uint32_t>::max()) + 1;
		BOOST_CHECK_GE(overflow, MAX_SIZE);
		const uint64_t overflowIter = overflow / MAX_SIZE;

		// Make sure the iteration fits in an uint32_t
		BOOST_CHECK_LE(overflowIter, std::numeric_limits<uint32_t>::max());
		uint32_t remainder = uint32_t(0x100000000 - (MAX_SIZE * overflowIter));
		FabienAuthorUnsubmitted Done Inline Actions need to remove the magic number (it is `overflow`) Fabien: need to remove the magic number (it is `overflow`)

		CDataStream ss(SER_DISK, PROTOCOL_VERSION);
		WriteCompactSize(ss, overflowIter);
		for (uint32_t i = 0; i < overflowIter; i++) {
		WriteCompactSize(ss, MAX_SIZE);
		}
		// This is the overflow
		WriteCompactSize(ss, remainder);

		BOOST_CHECK_EXCEPTION(formatter.Unser(ss, indicesOut),
		std::ios_base::failure,
		HasReason("differential value overflow"));
		}
		}

BOOST_AUTO_TEST_SUITE_END()		BOOST_AUTO_TEST_SUITE_END()