Roland Conybeare
c5da97dea0
1. xo-gc now depends on xo-object2. 2. use genfacet for ICollector_DX1Collector 3. moves xo-gc utest previously in xo-object2 to more natural location in xo-gc/
297 lines
11 KiB
C++
297 lines
11 KiB
C++
/** @file X1Collector.test.cpp
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*
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* @author Roland Conybeare, Dec 2025
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**/
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#include "init_gc.hpp"
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#include "ListOps.hpp"
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#include "DFloat.hpp"
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#include "DInteger.hpp"
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#include "DList.hpp"
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#include "DArray.hpp"
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#include <xo/object2/Float.hpp>
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//#include "number/IGCObject_DFloat.hpp"
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#include "number/IGCObject_DInteger.hpp"
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#include "list/IGCObject_DList.hpp"
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#include <xo/alloc2/CollectorTypeRegistry.hpp>
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#include <xo/alloc2/Collector.hpp>
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#include <xo/gc/X1Collector.hpp>
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#include <xo/arena/AllocInfo.hpp>
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#include <xo/arena/padding.hpp>
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#include <xo/subsys/Subsystem.hpp>
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#include <xo/indentlog/scope.hpp>
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#include <xo/indentlog/print/tag.hpp>
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#include <catch2/catch.hpp>
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namespace ut {
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using xo::S_gc_tag;
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using xo::scm::ListOps;
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using xo::scm::DList;
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using xo::scm::DArray;
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using xo::scm::DFloat;
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using xo::scm::DInteger;
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using xo::mm::CollectorTypeRegistry;
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using xo::mm::AAllocator;
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using xo::mm::ACollector;
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using xo::mm::AllocHeader;
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using xo::mm::AllocInfo;
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using xo::mm::AGCObject;
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using xo::mm::X1CollectorConfig;
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using xo::mm::DX1Collector;
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using xo::mm::DArena;
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using xo::mm::ArenaConfig;
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using xo::mm::Generation;
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using xo::mm::role;
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using xo::mm::padding;
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using xo::facet::obj;
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using xo::facet::with_facet;
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using xo::facet::typeseq;
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using xo::Subsystem;
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using xo::InitEvidence;
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using xo::InitSubsys;
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using xo::scope;
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using xo::xtag;
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namespace {
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struct testcase_x1 {
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testcase_x1(std::size_t nz,
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std::size_t tz,
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std::size_t n_gct,
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std::size_t t_gct)
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: nursery_z_{nz},
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tenured_z_{tz},
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incr_gc_threshold_{n_gct},
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full_gc_threshold_{t_gct} {}
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std::size_t nursery_z_;
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std::size_t tenured_z_;
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std::size_t incr_gc_threshold_;
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std::size_t full_gc_threshold_;
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};
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std::vector<testcase_x1>
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s_testcase_v = {
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// n_gct: nursery gc threshold
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// t_gct: tenured gc threshold
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//
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// nz tz n_gct t_gct
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testcase_x1(4096, 8192, 1024, 1024)
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};
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}
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static InitEvidence s_init = (InitSubsys<S_gc_tag>::require());
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TEST_CASE("x1", "[gc][x1]")
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{
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// real purpose: ensure s_init survives static linking
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REQUIRE(s_init.evidence());
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Subsystem::initialize_all();
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/**
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* This is a basic Collector test for xo-object2 data types
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**/
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constexpr bool c_debug_flag = true;
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scope log(XO_DEBUG(c_debug_flag));
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for (std::size_t i_tc = 0, n_tc = s_testcase_v.size(); i_tc < n_tc; ++i_tc) {
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scope log(XO_DEBUG(true), xtag("i_tc", i_tc));
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try {
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const testcase_x1 & tc = s_testcase_v[i_tc];
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X1CollectorConfig cfg{ .name_ = "x1_test",
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.arena_config_ = ArenaConfig{
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.size_ = tc.tenured_z_,
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.store_header_flag_ = true},
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.object_types_z_ = 16384,
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.gc_trigger_v_{{
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tc.incr_gc_threshold_,
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tc.full_gc_threshold_}},
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.debug_flag_ = c_debug_flag,
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};
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DX1Collector gc(cfg);
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CollectorTypeRegistry::instance().install_types(obj<ACollector,DX1Collector>(&gc));
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DArena * to_0 = nullptr;
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/* verify configuration */
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{
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REQUIRE(cfg.n_generation_ == 2);
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}
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/* verify initial collector state */
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{
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REQUIRE(gc.name() == "x1_test");
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const DArena * otypes = gc.get_object_types();
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REQUIRE(otypes != nullptr);
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REQUIRE(otypes->reserved() >= cfg.object_types_z_);
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REQUIRE(otypes->reserved() < cfg.object_types_z_ + otypes->page_z_);
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const DX1Collector::RootSet * roots = gc.get_root_set();
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REQUIRE(roots != nullptr);
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REQUIRE(roots->store()->reserved() >= cfg.object_roots_z_);
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REQUIRE(roots->store()->reserved() < cfg.object_roots_z_ + roots->store()->page_z_);
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const DArena * from_0 = gc.get_space(role::from_space(), Generation{0});
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REQUIRE(from_0 != nullptr);
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REQUIRE(from_0->reserved() >= tc.tenured_z_);
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REQUIRE(from_0->reserved() < tc.tenured_z_ + from_0->page_z_);
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REQUIRE(from_0->reserved() % from_0->page_z_ == 0);
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REQUIRE(from_0->allocated() == 0);
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const DArena * from_1 = gc.get_space(role::from_space(), Generation{1});
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REQUIRE(from_1 != nullptr);
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REQUIRE(from_1->reserved() == from_0->reserved());
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REQUIRE(from_1->allocated() == 0);
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to_0 = gc.get_space(role::to_space(), Generation{0});
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REQUIRE(to_0 != nullptr);
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REQUIRE(to_0->reserved() == from_0->reserved());
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REQUIRE(to_0->allocated() == 0);
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const DArena * to_1 = gc.get_space(role::to_space(), Generation{1});
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REQUIRE(to_1 != nullptr);
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REQUIRE(to_1->reserved() == to_0->reserved());
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REQUIRE(to_1->allocated() == 0);
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const DArena * from_2 = gc.get_space(role::from_space(), Generation{2});
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REQUIRE(from_2 == nullptr);
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const DArena * to_2 = gc.get_space(role::to_space(), Generation{2});
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REQUIRE(to_2 == nullptr);
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REQUIRE(gc.reserved()
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== otypes->reserved() + roots->store()->reserved() + 4 * from_0->reserved());
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log && log(xtag("from_0", from_0->lo_), xtag("to_0", to_0->lo_));
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}
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/* attempt allocation */
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auto gc_o = with_facet<AAllocator>::mkobj(&gc);
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auto c_o = with_facet<ACollector>::mkobj(&gc);
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/* register object types */
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bool ok = CollectorTypeRegistry::instance().install_types(c_o);
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REQUIRE(ok);
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ok = c_o.is_type_installed(typeseq::id<DFloat>());
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REQUIRE(ok);
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ok = c_o.is_type_installed(typeseq::id<DInteger>());
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REQUIRE(ok);
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ok = c_o.is_type_installed(typeseq::id<DList>());
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REQUIRE(ok);
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ok = c_o.is_type_installed(typeseq::id<DArray>());
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REQUIRE(ok);
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auto x0_o = DFloat::box<AGCObject>(gc_o, 3.1415927);
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c_o.add_gc_root(&x0_o);
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REQUIRE(to_0->allocated() == sizeof(AllocHeader) + sizeof(DFloat));
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auto n1_o = DInteger::box<AGCObject>(gc_o, 42);
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c_o.add_gc_root(&n1_o);
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REQUIRE(to_0->allocated() == (sizeof(AllocHeader) + sizeof(DFloat)
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+ sizeof(AllocHeader) + sizeof(DInteger)));
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//DList * l0 = DList::list(gc_o, x0_o);
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//auto l0_o = with_facet<AGCObject>::mkobj(l0);
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auto l0_o = ListOps::list(gc_o, x0_o);
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c_o.add_gc_root(&l0_o);
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REQUIRE(to_0->allocated() == (sizeof(AllocHeader) + sizeof(DFloat)
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+ sizeof(AllocHeader) + sizeof(DInteger)
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+ sizeof(AllocHeader) + sizeof(DList)));
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{
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{
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REQUIRE(x0_o.iface() != nullptr);
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REQUIRE(x0_o.data() != nullptr);
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REQUIRE(gc.contains(role::to_space(), x0_o.data()));
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/* check alloc info for newly-allocated object */
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AllocInfo info = gc.alloc_info((std::byte *)x0_o.data());
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REQUIRE(info.age() == 0);
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REQUIRE(info.tseq() == typeseq::id<DFloat>().seqno());
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REQUIRE(info.size() >= sizeof(DFloat));
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REQUIRE(info.size() < sizeof(DFloat) + padding::c_alloc_alignment);
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}
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{
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REQUIRE(n1_o.iface() != nullptr);
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REQUIRE(n1_o.data() != nullptr);
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REQUIRE(gc.contains(role::to_space(), n1_o.data()));
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/* check alloc info for newly-allocated object */
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AllocInfo info = gc.alloc_info((std::byte *)n1_o.data());
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REQUIRE(info.age() == 0);
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REQUIRE(info.tseq() == typeseq::id<DInteger>().seqno());
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REQUIRE(info.size() >= sizeof(DInteger));
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REQUIRE(info.size() < sizeof(DInteger) + padding::c_alloc_alignment);
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}
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{
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REQUIRE(l0_o.iface() != nullptr);
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REQUIRE(l0_o.data() != nullptr);
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REQUIRE(gc.contains(role::to_space(), l0_o.data()));
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/* check alloc info for newly-allocated object */
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AllocInfo info = gc.alloc_info((std::byte *)l0_o.data());
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REQUIRE(info.age() == 0);
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REQUIRE(info.tseq() == typeseq::id<DList>().seqno());
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REQUIRE(info.size() >= sizeof(DList));
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REQUIRE(info.size() < sizeof(DList) + padding::c_alloc_alignment);
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}
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}
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/* no GC roots, so GC is trivial */
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c_o.request_gc(Generation{1});
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log && log(xtag("l0_o.data()", l0_o.data()));
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log && log(xtag("l0_o.data()->head_.data()", l0_o.data()->head_.data()));
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log && log(xtag("x0_o.data()", x0_o.data()));
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REQUIRE(!gc.contains(role::from_space(), x0_o.data()));
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REQUIRE(gc.contains(role::to_space(), x0_o.data()));
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REQUIRE(x0_o.data()->value() == 3.1415927);
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REQUIRE(!gc.contains(role::from_space(), n1_o.data()));
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REQUIRE(gc.contains(role::to_space(), n1_o.data()));
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REQUIRE(n1_o.data()->value() == 42);
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REQUIRE(!gc.contains(role::from_space(), l0_o.data()));
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REQUIRE(gc.contains(role::to_space(), l0_o.data()));
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REQUIRE(l0_o.data()->is_empty() == false);
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REQUIRE((void*)l0_o.data()->head_.data() == (void*)x0_o.data());
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REQUIRE((void*)l0_o.data()->rest_ == (void*)DList::_nil());
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} catch (std::exception & ex) {
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std::cerr << "caught exception: " << ex.what() << std::endl;
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REQUIRE(false);
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}
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}
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}
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}
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/* end X1Collector.test.cpp */
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