72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
/* @file GC.test.cpp
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*
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* author: Roland Conybeare, Jul 2025
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*/
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#include "xo/alloc/GC.hpp"
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#include <catch2/catch.hpp>
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namespace xo {
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using xo::gc::GC;
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using xo::gc::generation;
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using xo::gc::Config;
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namespace ut {
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namespace {
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struct testcase_gc {
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testcase_gc(std::size_t nz, std::size_t tz) : nursery_z_{nz}, tenured_z_{tz} {}
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std::size_t nursery_z_;
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std::size_t tenured_z_;
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};
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std::vector<testcase_gc>
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s_testcase_v = {
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testcase_gc(1024, 4096)
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};
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}
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TEST_CASE("gc", "[alloc][gc]")
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{
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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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const testcase_gc & tc = s_testcase_v[i_tc];
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up<GC> gc = GC::make(
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{.initial_nursery_z_ = tc.nursery_z_,
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.initial_tenured_z_ = tc.tenured_z_});
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REQUIRE(gc.get());
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REQUIRE(gc->size() == tc.nursery_z_ + tc.tenured_z_);
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REQUIRE(gc->allocated() == 0);
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REQUIRE(gc->available() == tc.nursery_z_);
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REQUIRE(gc->before_checkpoint() == 0);
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// ListAlloc model is that nothing is before checkpoint
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// until it's first established
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REQUIRE(gc->after_checkpoint() == 0);
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REQUIRE(gc->gc_in_progress() == false);
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REQUIRE(gc->is_gc_enabled() == true);
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REQUIRE(gc->gc_statistics().gen_v_[gen2int(generation::nursery)].n_gc_ == 0);
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REQUIRE(gc->gc_statistics().gen_v_[gen2int(generation::tenured)].n_gc_ == 0);
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/* gc with empty state */
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gc->request_gc(generation::nursery);
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REQUIRE(gc->gc_in_progress() == false);
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REQUIRE(gc->gc_statistics().gen_v_[gen2int(generation::nursery)].n_gc_ == 1);
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REQUIRE(gc->gc_statistics().gen_v_[gen2int(generation::tenured)].n_gc_ == 0);
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/* still empty state */
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gc->request_gc(generation::tenured);
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REQUIRE(gc->gc_in_progress() == false);
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REQUIRE(gc->gc_statistics().gen_v_[gen2int(generation::nursery)].n_gc_ == 1);
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REQUIRE(gc->gc_statistics().gen_v_[gen2int(generation::tenured)].n_gc_ == 1);
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}
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}
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} /*namespace ut*/
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} /*namespace xo*/
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/* GC.test.cpp */
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