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#include "catch.hpp"
#include <osmium/builder/attr.hpp>
#include <osmium/memory/buffer.hpp>
#include <osmium/relations/members_database.hpp>
#include <osmium/relations/relations_database.hpp>
#include <osmium/storage/item_stash.hpp>
namespace {
osmium::memory::Buffer fill_buffer() {
using namespace osmium::builder::attr; // NOLINT(google-build-using-namespace)
osmium::memory::Buffer buffer{1024UL * 1024UL, osmium::memory::Buffer::auto_grow::yes};
osmium::builder::add_relation(buffer,
_id(20),
_member(osmium::item_type::way, 10, "outer")
);
osmium::builder::add_relation(buffer,
_id(21),
_member(osmium::item_type::way, 11, "outer"),
_member(osmium::item_type::way, 12, "outer")
);
osmium::builder::add_relation(buffer,
_id(22),
_member(osmium::item_type::way, 13, "outer"),
_member(osmium::item_type::way, 10, "inner"),
_member(osmium::item_type::way, 14, "inner")
);
osmium::builder::add_way(buffer, _id(10));
osmium::builder::add_way(buffer, _id(11));
osmium::builder::add_way(buffer, _id(12));
osmium::builder::add_way(buffer, _id(13));
osmium::builder::add_way(buffer, _id(14));
osmium::builder::add_way(buffer, _id(15));
return buffer;
}
} // anonymous namespace
TEST_CASE("Fill member database") {
const auto buffer = fill_buffer();
osmium::ItemStash stash;
osmium::relations::RelationsDatabase rdb{stash};
osmium::relations::MembersDatabase<osmium::Way> mdb{stash, rdb};
REQUIRE(mdb.used_memory() < 100);
for (const auto& relation : buffer.select<osmium::Relation>()) {
auto handle = rdb.add(relation);
int n = 0;
for (const auto& member : relation.members()) {
mdb.track(handle, member.ref(), n);
++n;
}
}
mdb.prepare_for_lookup();
int n = 0;
int match = 0;
for (const auto& way : buffer.select<osmium::Way>()) {
const bool added = mdb.add(way, [&](osmium::relations::RelationHandle& rel_handle) {
++match;
switch (n) {
case 0: // added w10
REQUIRE(rel_handle->id() == 20);
break;
case 2: // added w11 and w12
REQUIRE(rel_handle->id() == 21);
break;
case 4: // added w13 and w14
REQUIRE(rel_handle->id() == 22);
break;
default:
REQUIRE(false);
break;
}
});
REQUIRE(added == (way.id() != 15));
if (way.id() == 11) {
const auto* way_ptr = mdb.get(way.id());
REQUIRE(way_ptr);
REQUIRE(*way_ptr == way);
const auto* object = mdb.get_object(way.id());
REQUIRE(object);
REQUIRE(object->id() == way.id());
}
++n;
}
REQUIRE(match == 3);
REQUIRE(mdb.used_memory() > 100);
}
TEST_CASE("Member database with duplicate member in relation") {
using namespace osmium::builder::attr; // NOLINT(google-build-using-namespace)
osmium::memory::Buffer buffer{1024UL * 1024UL, osmium::memory::Buffer::auto_grow::yes};
osmium::builder::add_relation(buffer,
_id(20),
_member(osmium::item_type::way, 10, "outer"),
_member(osmium::item_type::way, 11, "inner"),
_member(osmium::item_type::way, 12, "inner"),
_member(osmium::item_type::way, 11, "inner")
);
osmium::builder::add_way(buffer, _id(10));
osmium::builder::add_way(buffer, _id(11));
osmium::builder::add_way(buffer, _id(12));
osmium::ItemStash stash;
osmium::relations::RelationsDatabase rdb{stash};
osmium::relations::MembersDatabase<osmium::Way> mdb{stash, rdb};
for (const auto& relation : buffer.select<osmium::Relation>()) {
auto handle = rdb.add(relation);
int n = 0;
for (const auto& member : relation.members()) {
mdb.track(handle, member.ref(), n);
++n;
}
}
mdb.prepare_for_lookup();
REQUIRE(mdb.size() == 4);
{
const auto counts = mdb.count();
REQUIRE(counts.tracked == 4);
REQUIRE(counts.available == 0);
REQUIRE(counts.removed == 0);
}
int n = 0;
for (const auto& way : buffer.select<osmium::Way>()) {
mdb.add(way, [&](osmium::relations::RelationHandle& rel_handle) {
++n;
REQUIRE(rel_handle->id() == 20);
{
const auto counts = mdb.count();
REQUIRE(counts.tracked == 0);
REQUIRE(counts.available == 4);
REQUIRE(counts.removed == 0);
}
// relation is complete here, normal code would handle it here
for (const auto& member : rel_handle->members()) {
mdb.remove(member.ref(), rel_handle->id());
}
rel_handle.remove();
});
}
REQUIRE(n == 1);
REQUIRE(rdb.size() == 1);
REQUIRE(rdb.count_relations() == 0);
REQUIRE(mdb.size() == 4);
{
const auto counts = mdb.count();
REQUIRE(counts.tracked == 0);
REQUIRE(counts.available == 0);
REQUIRE(counts.removed == 4);
}
}
TEST_CASE("Remove non-existing object from members database doesn't do anything") {
const auto buffer = fill_buffer();
osmium::ItemStash stash;
osmium::relations::RelationsDatabase rdb{stash};
osmium::relations::MembersDatabase<osmium::Way> mdb{stash, rdb};
for (const auto& relation : buffer.select<osmium::Relation>()) {
auto handle = rdb.add(relation);
int n = 0;
for (const auto& member : relation.members()) {
mdb.track(handle, member.ref(), n);
++n;
}
}
mdb.prepare_for_lookup();
REQUIRE(mdb.size() == 6);
mdb.remove(100, 100);
REQUIRE(mdb.size() == 6);
}
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