xo-object2/utest/X1Collector.test.cpp

117 lines
3.8 KiB
C++

/** @file X1Collector.test.cpp
*
* @author Roland Conybeare, Dec 2025
**/
#include <xo/gc/Collector.hpp>
#include <xo/gc/DX1Collector.hpp>
#include <catch2/catch.hpp>
namespace ut {
using xo::mm::DX1Collector;
using xo::mm::DArena;
using xo::mm::CollectorConfig;
using xo::mm::ArenaConfig;
using xo::mm::generation;
using xo::mm::role;
namespace {
struct testcase_x1 {
testcase_x1(std::size_t nz,
std::size_t tz,
std::size_t n_gct,
std::size_t t_gct)
: nursery_z_{nz},
tenured_z_{tz},
incr_gc_threshold_{n_gct},
full_gc_threshold_{t_gct} {}
std::size_t nursery_z_;
std::size_t tenured_z_;
std::size_t incr_gc_threshold_;
std::size_t full_gc_threshold_;
};
std::vector<testcase_x1>
s_testcase_v = {
// n_gct: nursery gc threshold
// t_gct: tenured gc threshold
//
// nz tz n_gct t_gct
testcase_x1(4096, 8192, 1024, 1024)
};
}
TEST_CASE("x1", "[gc][x1]")
{
for (std::size_t i_tc = 0, n_tc = s_testcase_v.size(); i_tc < n_tc; ++i_tc) {
try {
const testcase_x1 & tc = s_testcase_v[i_tc];
CollectorConfig cfg{
.name_ = "x1_test",
.arena_config_ = ArenaConfig{
.size_ = tc.tenured_z_,
.store_header_flag_ = true},
.object_types_z_ = 16384,
.gc_trigger_v_{{
tc.incr_gc_threshold_,
tc.full_gc_threshold_}},
};
DX1Collector gc(cfg);
{
REQUIRE(gc.name() == "x1_test");
const DArena * otypes = gc.get_object_types();
REQUIRE(otypes != nullptr);
REQUIRE(otypes->reserved() >= cfg.object_types_z_);
REQUIRE(otypes->reserved() < cfg.object_types_z_ + otypes->page_z_);
DArena * from_0 = gc.get_space(role::from_space(), generation{0});
REQUIRE(from_0 != nullptr);
REQUIRE(from_0->reserved() >= tc.tenured_z_);
REQUIRE(from_0->reserved() < tc.tenured_z_ + from_0->page_z_);
REQUIRE(from_0->reserved() % from_0->page_z_ == 0);
DArena * from_1 = gc.get_space(role::from_space(), generation{1});
REQUIRE(from_1 != nullptr);
REQUIRE(from_1->reserved() == from_0->reserved());
DArena * to_0 = gc.get_space(role::to_space(), generation{0});
REQUIRE(to_0 != nullptr);
REQUIRE(to_0->reserved() == from_0->reserved());
DArena * to_1 = gc.get_space(role::to_space(), generation{1});
REQUIRE(to_1 != nullptr);
REQUIRE(to_1->reserved() == to_0->reserved());
DArena * from_2 = gc.get_space(role::from_space(), generation{2});
REQUIRE(from_2 == nullptr);
DArena * to_2 = gc.get_space(role::to_space(), generation{2});
REQUIRE(to_2 == nullptr);
REQUIRE(gc.reserved_total()
== otypes->reserved() + 4 * from_0->reserved());
}
/* attempt allocation */
} catch (std::exception & ex) {
std::cerr << "caught exception: " << ex.what() << std::endl;
REQUIRE(false);
}
}
}
}
/* end X1Collector.test.cpp */