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xo-gc: refactor: migrate verify impl DX1Collector -> GCObjectStore

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This commit is contained in:
Roland Conybeare 2026-04-10 20:32:55 -04:00
commit 53d9ab7747
5 changed files with 149 additions and 23 deletions
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77
utest/GCObjectStore.test.cpp
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@ -13,6 +13,7 @@
#include <xo/alloc2/GCObjectVisitor.hpp>
#include <xo/alloc2/GCObject.hpp>
#include <xo/alloc2/Arena.hpp>
#include <xo/arena/print.hpp>
#include <xo/indentlog/scope.hpp>
#include <xo/indentlog/print/tag.hpp>
#include <xo/randomgen/xoshiro256.hpp>
@ -53,6 +54,8 @@ namespace ut {
explicit Testcase(uint32_t n_gen, uint32_t n_survive,
size_t gc_z, uint32_t type_z,
bool do_type_registration,
size_t report_z,
size_t error_z,
uint32_t n_test_obj,
uint32_t n_test_assign)
: n_gen_{n_gen},
@ -60,6 +63,8 @@ namespace ut {
gc_size_{gc_z},
object_type_z_{type_z},
do_type_registration_{do_type_registration},
report_size_{report_z},
error_size_{error_z},
n_test_obj_{n_test_obj},
n_test_assign_{n_test_assign}
{}
@ -80,20 +85,29 @@ namespace ut {
* (i.e. DBoolean)
**/
bool do_type_registration_ = false;
/** size for report-output arena **/
size_t report_size_ = 0;
/** size for error-output arena **/
size_t error_size_ = 0;
/** #of cells in random object graph **/
uint32_t n_test_obj_ = 0;
/** #of random assignments to attempt (these may create cycles, for example) **/
uint32_t n_test_assign_ = 0;
};
constexpr uint32_t c_report_z1 = 64 * 1024;
constexpr uint32_t c_error_z1 = 16 * 1024;
static std::vector<Testcase> s_testcase_v = {
/** n_gen, n_survive, gc_size, object_type_z, do_type_registration, n_obj **/
Testcase(2, 4, 16 * 1024, 8 * 128, false, 0, 0),
Testcase(2, 4, 16 * 1024, 8 * 128, true, 1, 0),
Testcase(2, 4, 16 * 1024, 8 * 128, true, 2, 0),
Testcase(2, 4, 16 * 1024, 8 * 128, true, 4, 0),
Testcase(2, 4, 16 * 1024, 8 * 128, true, 8, 4),
Testcase(2, 4, 16 * 1024, 8 * 128, true, 16, 7),
// note: report_z: 64k not sufficient for report_object_ages()
/** n_gen, n_survive, gc_size, object_type_z, do_type_registration, report_z, error_z, n_obj, n_test_assign **/
Testcase(2, 4, 16 * 1024, 8 * 128, false, c_report_z1, c_error_z1, 0, 0),
Testcase(2, 4, 16 * 1024, 8 * 128, true, c_report_z1, c_error_z1, 1, 0),
Testcase(2, 4, 16 * 1024, 8 * 128, true, c_report_z1, c_error_z1, 2, 0),
Testcase(2, 4, 16 * 1024, 8 * 128, true, c_report_z1, c_error_z1, 4, 0),
Testcase(2, 4, 16 * 1024, 8 * 128, true, c_report_z1, c_error_z1, 8, 4),
Testcase(2, 4, 16 * 1024, 8 * 128, true, c_report_z1, c_error_z1, 16, 7),
};
/** record capturing some stats for a (randomly created) gc-aware object **/
@ -300,6 +314,22 @@ namespace ut {
.with_size(tc.gc_size_ * tc.n_gen_)
.with_store_header_flag(true));
/** Arena for holding report output:
* See GCObjectStore methods .report_object_types(), .report_object_ages()
**/
DArena report_arena
= DArena::map(ArenaConfig().with_name("report-arena")
.with_size(tc.report_size_)
.with_store_header_flag(true));
obj<AAllocator,DArena> report_mm(&report_arena);
/** Arena for holding error messages **/
DArena error_arena
= DArena::map(ArenaConfig().with_name("error-arena")
.with_size(tc.error_size_)
.with_store_header_flag(true));
obj<AAllocator,DArena> error_mm(&error_arena);
// object type storage will be empty unless we install a type.
GCObjectStore gcos(gcos_config);
@ -611,6 +641,39 @@ namespace ut {
#endif
// - verify_ok
{
obj<AGCObject> report_gco;
bool ok = gcos.report_object_types(report_mm, error_mm, &report_gco);
REQUIRE(ok);
REQUIRE(report_gco);
// TODO: print report_gco, verify output
// discard report
report_gco.reset();
report_mm->clear();
}
{
obj<AGCObject> report_gco;
bool ok = gcos.report_object_ages(report_mm, error_mm, &report_gco);
if (!ok) {
log.retroactively_enable();
log && log(xtag("error", report_mm.last_error()));
}
REQUIRE(ok);
REQUIRE(report_gco);
// TODO: print report_gco, verify output
report_gco.reset();
report_mm->clear();
}
}
}