Files
FESA/tests/unit/core/entity_id_test.cpp
T

37 lines
821 B
C++

#include <cstdint>
#include <stdexcept>
#include <type_traits>
#include <gtest/gtest.h>
#include <fesa/core/entity_id.hpp>
namespace {
struct NodeTag;
struct ElementTag;
using NodeId = fesa::EntityId<NodeTag>;
using ElementId = fesa::EntityId<ElementTag>;
static_assert(std::is_constructible_v<NodeId, std::int64_t>);
static_assert(!std::is_convertible_v<std::int64_t, NodeId>);
static_assert(!std::is_convertible_v<NodeId, ElementId>);
TEST(EntityId, PreservesValueAndSupportsTypedOrdering) {
constexpr NodeId first{7};
constexpr NodeId second{11};
static_assert(first.value() == 7);
static_assert(first < second);
EXPECT_EQ(first.value(), 7);
EXPECT_LT(first, second);
}
TEST(EntityId, RejectsNegativeValues) {
EXPECT_THROW((NodeId{-1}), std::invalid_argument);
}
} // namespace