xo-expression2/xo-arena/utest/DArenaVector.test.cpp

116 lines
3.2 KiB
C++

/** @file DArenaVector.test.cpp
*
* @author Roland Conybeare, Jan 2026
**/
#include "xo/arena/DArenaVector.hpp"
#include <catch2/catch.hpp>
namespace xo {
using xo::mm::DArenaVector;
using xo::mm::ArenaConfig;
using std::byte;
namespace ut {
TEST_CASE("DArenaVector-tiny", "[arena][DArenaVector]")
{
ArenaConfig cfg { .name_ = "testarena",
.size_ = 1 };
DArenaVector<double> arenavec = DArenaVector<double>::map(cfg);
REQUIRE(arenavec.empty());
}
TEST_CASE("DArenaVector-push_back-rvalue", "[arena][DArenaVector]")
{
ArenaConfig cfg { .name_ = "testarena",
.size_ = 4096 };
DArenaVector<double> vec = DArenaVector<double>::map(cfg);
REQUIRE(vec.empty());
REQUIRE(vec.size() == 0);
vec.push_back(1.5);
REQUIRE(!vec.empty());
REQUIRE(vec.size() == 1);
REQUIRE(vec[0] == 1.5);
vec.push_back(2.5);
vec.push_back(3.5);
REQUIRE(vec.size() == 3);
REQUIRE(vec[0] == 1.5);
REQUIRE(vec[1] == 2.5);
REQUIRE(vec[2] == 3.5);
}
TEST_CASE("DArenaVector-push_back-lvalue", "[arena][DArenaVector]")
{
ArenaConfig cfg { .name_ = "testarena",
.size_ = 4096 };
DArenaVector<double> vec = DArenaVector<double>::map(cfg);
double a = 10.0;
double b = 20.0;
double c = 30.0;
vec.push_back(a);
REQUIRE(vec.size() == 1);
REQUIRE(vec[0] == 10.0);
vec.push_back(b);
vec.push_back(c);
REQUIRE(vec.size() == 3);
REQUIRE(vec[0] == 10.0);
REQUIRE(vec[1] == 20.0);
REQUIRE(vec[2] == 30.0);
}
TEST_CASE("DArenaVector-at-valid", "[arena][DArenaVector]")
{
ArenaConfig cfg { .name_ = "testarena",
.size_ = 4096 };
DArenaVector<double> vec = DArenaVector<double>::map(cfg);
vec.push_back(100.0);
vec.push_back(200.0);
vec.push_back(300.0);
REQUIRE(vec.at(0) == 100.0);
REQUIRE(vec.at(1) == 200.0);
REQUIRE(vec.at(2) == 300.0);
// test mutability via at()
vec.at(1) = 250.0;
REQUIRE(vec.at(1) == 250.0);
}
TEST_CASE("DArenaVector-at-throws", "[arena][DArenaVector]")
{
ArenaConfig cfg { .name_ = "testarena",
.size_ = 4096 };
DArenaVector<double> vec = DArenaVector<double>::map(cfg);
// empty vector - any index is invalid
REQUIRE_THROWS_AS(vec.at(0), std::out_of_range);
vec.push_back(1.0);
vec.push_back(2.0);
// valid indices work
REQUIRE_NOTHROW(vec.at(0));
REQUIRE_NOTHROW(vec.at(1));
// index == size is invalid
REQUIRE_THROWS_AS(vec.at(2), std::out_of_range);
// index > size is invalid
REQUIRE_THROWS_AS(vec.at(100), std::out_of_range);
}
}
}
/* end DArenaVector.test.cpp */