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xo-alloc2: DX1CollectorIterator infra [WIP]

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Roland Conybeare 2025-12-17 20:16:46 -05:00
commit bf27314688
30 changed files with 1041 additions and 176 deletions
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utest/DX1CollectorIterator.test.cpp Normal file
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/** @file DX1CollectorIterator.test.cpp
*
* @author Roland Conybeare, Dec 2025
**/
#include "Allocator.hpp"
#include "AllocIterator.hpp"
#include "gc/DX1CollectorIterator.hpp"
#include "gc/IAllocator_DX1Collector.hpp"
#include "gc/IAllocIterator_DX1CollectorIterator.hpp"
#include "arena/ArenaConfig.hpp"
#include "padding.hpp"
#include <catch2/catch.hpp>
namespace xo {
using xo::mm::AAllocIterator;
using xo::mm::IAllocIterator_Any;
using xo::mm::IAllocIterator_Xfer;
using xo::mm::IAllocIterator_DX1CollectorIterator;
using xo::mm::DX1Collector;
using xo::mm::DX1CollectorIterator;
using xo::mm::CollectorConfig;
using xo::mm::ArenaConfig;
using xo::mm::AllocHeaderConfig;
namespace ut {
TEST_CASE("IAllocIterator_Xfer_DX1CollectorIterator", "[alloc2]")
{
/* verify IAllocIterator_Xfer is constructible + satisfies concept checks */
IAllocIterator_Xfer<DX1CollectorIterator, IAllocIterator_DX1CollectorIterator> xfer;
REQUIRE(IAllocIterator_Xfer<DX1CollectorIterator, IAllocIterator_DX1CollectorIterator>::_valid);
}
TEST_CASE("DX1CollectorIterator", "[alloc2][gc][DX1Collector]")
{
ArenaConfig arena_cfg = { .name_ = "_test_unused",
.size_ = 4*1024*1024,
.store_header_flag_ = true,
.header_ = AllocHeaderConfig(0 /*guard_z*/,
0xfd /*guard_byte*/,
0 /*tseq_bits*/,
0 /*age_bits*/,
16 /*size_bits*/), };
CollectorConfig cfg = { .arena_config_ = arena_cfg,
.n_generation_ = 2,
.gc_trigger_v_ = {{64*1024, 1024*1024, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0}} };
DX1Collector gc = DX1Collector{cfg};
auto ix = gc.begin();
auto end_ix = gc.end();
REQUIRE(ix.is_valid());
REQUIRE(end_ix.is_valid());
REQUIRE(ix == end_ix);
}
} /*namespace ut*/
} /*namespace xo*/
/* end DX1CollectorIterator.test.cpp */