osrm-backend/test/data-tests/include/check_basics_handler.hpp
Patrick Niklaus 8511256779 Squashed 'third_party/libosmium/' content from commit 2282c84
git-subtree-dir: third_party/libosmium
git-subtree-split: 2282c8450bae55839372a2002db7ca754530d2fc
2016-03-01 17:56:55 +01:00

93 lines
2.6 KiB
C++

#ifndef CHECK_BASICS_HANDLER_HPP
#define CHECK_BASICS_HANDLER_HPP
#include <iostream>
#include <unordered_set>
#include <osmium/handler.hpp>
#include <osmium/osm.hpp>
/**
* Check some basics of the input data:
*
* 1. Correct number of nodes, ways, and relations
* 2. Correct ID space used by nodes, ways, and relations
* 3. No ID used more than once
*/
class CheckBasicsHandler : public osmium::handler::Handler {
// Lower bound for the id range allowed in this test.
int m_id_range;
// In the beginning these contains the number of nodes, ways, and relations
// supposedly in the data.osm file. They will be decremented on each object
// and have to be 0 at the end.
int m_num_nodes;
int m_num_ways;
int m_num_relations;
// All IDs encountered in the data.osm file will be stored in this set and
// checked for duplicates.
std::unordered_set<osmium::object_id_type> m_ids;
// Check id is in range [min, max] and that it isn't more than once in input.
void id_check(osmium::object_id_type id, osmium::object_id_type min, osmium::object_id_type max) {
if (id < m_id_range + min || id > m_id_range + max) {
std::cerr << " id " << id << " out of range for this test case\n";
exit(1);
}
auto r = m_ids.insert(id);
if (!r.second) {
std::cerr << " id " << id << " contained twice in data.osm\n";
exit(1);
}
}
public:
static const int ids_per_testcase = 1000;
CheckBasicsHandler(int testcase, int nodes, int ways, int relations) :
osmium::handler::Handler(),
m_id_range(testcase * ids_per_testcase),
m_num_nodes(nodes),
m_num_ways(ways),
m_num_relations(relations) {
}
~CheckBasicsHandler() {
if (m_num_nodes != 0) {
std::cerr << " wrong number of nodes in data.osm\n";
exit(1);
}
if (m_num_ways != 0) {
std::cerr << " wrong number of ways in data.osm\n";
exit(1);
}
if (m_num_relations != 0) {
std::cerr << " wrong number of relations in data.osm\n";
exit(1);
}
}
void node(const osmium::Node& node) {
id_check(node.id(), 0, 799);
--m_num_nodes;
}
void way(const osmium::Way& way) {
id_check(way.id(), 800, 899);
--m_num_ways;
}
void relations(const osmium::Relation& relation) {
id_check(relation.id(), 900, 999);
--m_num_relations;
}
}; // CheckBasicsHandler
#endif // CHECK_BASICS_HANDLER_HPP