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

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#include <ankerl/unordered_dense.h>
#define ENABLE_LOG_LINE
#include <app/doctest.h>
#include <app/print.h>
#include <vector>
TEST_CASE_MAP("swap", int, int) {
{
auto b = map_t();
{
auto a = map_t();
b[1] = 2;
a.swap(b);
REQUIRE(a.end() != a.find(1));
REQUIRE(b.end() == b.find(1));
}
REQUIRE(b.end() == b.find(1));
b[2] = 3;
REQUIRE(b.end() != b.find(2));
REQUIRE(b.size() == 1);
}
{
auto a = map_t();
{
auto b = map_t();
b[1] = 2;
a.swap(b);
REQUIRE(a.end() != a.find(1));
REQUIRE(b.end() == b.find(1));
}
REQUIRE(a.end() != a.find(1));
a[2] = 3;
REQUIRE(a.end() != a.find(2));
REQUIRE(a.size() == 2);
}
{
auto a = map_t();
{
auto b = map_t();
a.swap(b);
REQUIRE(a.end() == a.find(1));
REQUIRE(b.end() == b.find(1));
}
REQUIRE(a.end() == a.find(1));
}
}