diff --git a/src/test/dbwrapper_tests.cpp b/src/test/dbwrapper_tests.cpp index 8745d1439..a0bdcf4af 100644 --- a/src/test/dbwrapper_tests.cpp +++ b/src/test/dbwrapper_tests.cpp @@ -238,4 +238,90 @@ BOOST_AUTO_TEST_CASE(iterator_ordering) } } +struct StringContentsSerializer { + // Used to make two serialized objects the same while letting them have a different lengths + // This is a terrible idea + string str; + StringContentsSerializer() {} + StringContentsSerializer(const string& inp) : str(inp) {} + + StringContentsSerializer& operator+=(const string& s) { + str += s; + return *this; + } + StringContentsSerializer& operator+=(const StringContentsSerializer& s) { return *this += s.str; } + + ADD_SERIALIZE_METHODS; + + template + inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { + if (ser_action.ForRead()) { + str.clear(); + char c = 0; + while (true) { + try { + READWRITE(c); + str.push_back(c); + } catch (const std::ios_base::failure& e) { + break; + } + } + } else { + for (size_t i = 0; i < str.size(); i++) + READWRITE(str[i]); + } + } +}; + +BOOST_AUTO_TEST_CASE(iterator_string_ordering) +{ + char buf[10]; + + path ph = temp_directory_path() / unique_path(); + CDBWrapper dbw(ph, (1 << 20), true, false, false); + for (int x=0x00; x<10; ++x) { + for (int y = 0; y < 10; y++) { + sprintf(buf, "%d", x); + StringContentsSerializer key(buf); + for (int z = 0; z < y; z++) + key += key; + uint32_t value = x*x; + BOOST_CHECK(dbw.Write(key, value)); + } + } + + boost::scoped_ptr it(const_cast(&dbw)->NewIterator()); + for (int c=0; c<2; ++c) { + int seek_start; + if (c == 0) + seek_start = 0; + else + seek_start = 5; + sprintf(buf, "%d", seek_start); + StringContentsSerializer seek_key(buf); + it->Seek(seek_key); + for (int x=seek_start; x<10; ++x) { + for (int y = 0; y < 10; y++) { + sprintf(buf, "%d", x); + string exp_key(buf); + for (int z = 0; z < y; z++) + exp_key += exp_key; + StringContentsSerializer key; + uint32_t value; + BOOST_CHECK(it->Valid()); + if (!it->Valid()) // Avoid spurious errors about invalid iterator's key and value in case of failure + break; + BOOST_CHECK(it->GetKey(key)); + BOOST_CHECK(it->GetValue(value)); + BOOST_CHECK_EQUAL(key.str, exp_key); + BOOST_CHECK_EQUAL(value, x*x); + it->Next(); + } + } + BOOST_CHECK(!it->Valid()); + } +} + + + BOOST_AUTO_TEST_SUITE_END()