osrm-backend/third_party/unordered_dense/test/unit/empty.cpp

45 lines
1.1 KiB
C++

#include <ankerl/unordered_dense.h>
#include <app/doctest.h>
TEST_CASE_MAP("empty_map_operations", int, int) {
map_t m;
REQUIRE(m.end() == m.find(123));
REQUIRE(m.end() == m.begin());
m[32];
REQUIRE(m.end() != m.begin());
REQUIRE(m.end() == m.find(123));
REQUIRE(m.end() != m.find(32));
m = map_t();
REQUIRE(m.end() == m.begin());
REQUIRE(m.end() == m.find(123));
REQUIRE(m.end() == m.find(32));
map_t m2(m);
REQUIRE(m2.end() == m2.begin());
REQUIRE(m2.end() == m2.find(123));
REQUIRE(m2.end() == m2.find(32));
m2[32];
REQUIRE(m2.end() != m2.begin());
REQUIRE(m2.end() == m2.find(123));
REQUIRE(m2.end() != m2.find(32));
map_t empty;
map_t m3(empty);
REQUIRE(m3.end() == m3.begin());
REQUIRE(m3.end() == m3.find(123));
REQUIRE(m3.end() == m3.find(32));
m3[32];
REQUIRE(m3.end() != m3.begin());
REQUIRE(m3.end() == m3.find(123));
REQUIRE(m3.end() != m3.find(32));
map_t m4(std::move(empty));
REQUIRE(m4.count(123) == 0);
REQUIRE(m4.end() == m4.begin());
REQUIRE(m4.end() == m4.find(123));
REQUIRE(m4.end() == m4.find(32));
}