void ConstructionTest(stxxl::vector<unsigned> lengths, std::vector<unsigned> offsets)
{
BOOST_ASSERT(lengths.size() == offsets.size() - 1);
TestRangeTable table(lengths);
for (unsigned i = 0; i < lengths.size(); i++)
{
auto range = table.GetRange(i);
BOOST_CHECK_EQUAL(range.front(), offsets[i]);
BOOST_CHECK_EQUAL(range.back() + 1, offsets[i + 1]);
}
}
iterator_compare& operator ++ ()
{
if (current_value != *compiter)
errors.push_back(error_type(current_value, *compiter));
++compiter;
return *this;
}
bool serializeVector(std::ofstream &out_stream, const stxxl::vector<simple_type> &data)
{
const std::uint64_t size = data.size();
out_stream.write(reinterpret_cast<const char *>(&size), sizeof(size));
simple_type write_buffer[WRITE_BLOCK_BUFFER_SIZE];
std::size_t buffer_len = 0;
for (const auto entry : data)
{
write_buffer[buffer_len++] = entry;
if (buffer_len >= WRITE_BLOCK_BUFFER_SIZE)
{
out_stream.write(reinterpret_cast<const char *>(write_buffer),
WRITE_BLOCK_BUFFER_SIZE * sizeof(simple_type));
buffer_len = 0;
}
}
// write remaining entries
if (buffer_len > 0)
out_stream.write(reinterpret_cast<const char *>(write_buffer),
buffer_len * sizeof(simple_type));
return static_cast<bool>(out_stream);
}
void ComputeLengthsOffsets(stxxl::vector<unsigned> &lengths,
std::vector<unsigned> &offsets,
unsigned num)
{
lengths.resize(num);
offsets.resize(num + 1);
std::iota(lengths.begin(), lengths.end(), 1);
offsets[0] = 0;
std::partial_sum(lengths.begin(), lengths.end(), offsets.begin() + 1);
std::stringstream l_ss;
l_ss << "Lengths: ";
for (auto l : lengths)
l_ss << l << ", ";
BOOST_TEST_MESSAGE(l_ss.str());
std::stringstream o_ss;
o_ss << "Offsets: ";
for (auto o : offsets)
o_ss << o << ", ";
BOOST_TEST_MESSAGE(o_ss.str());
}
unsigned_type get_num_errors() { return errors.size(); }