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xo-alloc / xo-object: utest coverage + assorted bugfixes

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Roland Conybeare 2025-08-07 18:32:14 -05:00
commit bd00826448
34 changed files with 1069 additions and 326 deletions
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xo-alloc/utest/GcStatistics.test.cpp Normal file
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/* @file GcStatistics.test.cpp
*
* author: Roland Conybeare, Aug 2025
*/
#include "xo/alloc/GcStatistics.hpp"
#include "xo/indentlog/scope.hpp"
#include "xo/indentlog/print/tostr.hpp"
#include "xo/indentlog/print/hex.hpp"
#include <catch2/catch.hpp>
#include <ranges>
namespace xo {
using xo::gc::GcStatistics;
using xo::gc::GcStatisticsExt;
using xo::gc::PerGenerationStatistics;
using xo::print::ppconfig;
namespace ut {
TEST_CASE("PerGenerationStatistics", "[alloc][gc]")
{
bool saved = tag_config::tag_color_enabled;
tag_config::tag_color_enabled = false;
PerGenerationStatistics stats;
std::string s = tostr(stats);
//std::cerr << hex_view(s.c_str(), s.c_str() + s.length(), true /*as_text*/) << std::endl;
REQUIRE(s == "<PerGenerationStatistics :used 0 :n_gc 0 :new_alloc_z 0 :scanned_z 0 :survive_z 0 :promote_z 0>");
tag_config::tag_color_enabled = saved;
}
TEST_CASE("GcStatistics", "[alloc][gc]")
{
bool saved = tag_config::tag_color_enabled;
tag_config::tag_color_enabled = false;
GcStatistics stats;
std::string s = tostr(stats);
REQUIRE(s ==
"<GcStatistics"
/**/" :gen_v ["
/***/ "<PerGenerationStatistics"
/****/ " :used 0"
/****/ " :n_gc 0"
/****/ " :new_alloc_z 0"
/****/ " :scanned_z 0"
/****/ " :survive_z 0"
/****/ " :promote_z 0"
/***/ ">"
/***/ " <PerGenerationStatistics"
/****/ " :used 0"
/****/ " :n_gc 0"
/****/ " :new_alloc_z 0"
/****/ " :scanned_z 0"
/****/ " :survive_z 0"
/****/ " :promote_z 0"
/***/ ">]"
/**/ " :total_allocated 0"
/**/ " :total_promoted_sab 0"
">");
tag_config::tag_color_enabled = saved;
}
TEST_CASE("GcStatisticsExt", "[alloc][gc]")
{
bool saved = tag_config::tag_color_enabled;
tag_config::tag_color_enabled = false;
GcStatisticsExt stats({});
std::string s = tostr(stats);
REQUIRE(s == "<GcStatisticsExt :gen_v [<PerGenerationStatistics :used 0 :n_gc 0 :new_alloc_z 0 :scanned_z 0 :survive_z 0 :promote_z 0> <PerGenerationStatistics :used 0 :n_gc 0 :new_alloc_z 0 :scanned_z 0 :survive_z 0 :promote_z 0>] :total_allocated 0 :total_promoted_sab 0 :nursery_z 0 :nursery_before_ckp_z 0 :nursery_after_ckp_z 0 :tenured_z 0 :n_mutation 0 :n_logged_mutation 0 :n_xgen_mutation 0 :n_xckp_mutation 0>");
tag_config::tag_color_enabled = saved;
}
TEST_CASE("GcStatistics-pretty", "[alloc][gc][pretty]")
{
bool saved = tag_config::tag_color_enabled;
tag_config::tag_color_enabled = false;
std::stringstream ss;
ppconfig ppc;
GcStatistics stats;
std::string actual = toppstr2(ppc, stats);
std::string expected
= ("<GcStatistics\n"
" :gen_v\n"
" [ <PerGenerationStatistics\n"
" :used_z 0\n"
" :n_gc 0\n"
" :new_alloc_z 0\n"
" :scanned_z 0\n"
" :survive_z 0\n"
" :promote_z 0>,\n"
" <PerGenerationStatistics\n"
" :used_z 0\n"
" :n_gc 0\n"
" :new_alloc_z 0\n"
" :scanned_z 0\n"
" :survive_z 0\n"
" :promote_z 0> ]\n"
" :total_allocated 0\n"
" :total_promoted_sab 0\n"
" :total_promoted 0\n"
" :n_mutation 0\n"
" :n_logged_mutation 0\n"
" :n_xgen_mutation 0\n"
" :n_xckp_mutation 0>");
if (actual != expected) {
CHECK(actual == expected);
CHECK(actual.length() == expected.length());
auto a_ix = actual.begin();
auto e_ix = expected.begin();
std::size_t pos = 0;
while (a_ix != actual.end() && e_ix != expected.end()) {
INFO(xtag("pos", pos));
INFO(xtag("matching_prefix", std::string(actual.c_str(), pos)));
REQUIRE(*a_ix == *e_ix);
++a_ix;
++e_ix;
++pos;
}
}
REQUIRE(actual == expected);
tag_config::tag_color_enabled = saved;
}
TEST_CASE("GcStatisticsExt-pretty", "[alloc][gc][pretty]")
{
bool saved = tag_config::tag_color_enabled;
tag_config::tag_color_enabled = false;
std::stringstream ss;
ppconfig ppc;
GcStatisticsExt stats({});
std::string actual = toppstr2(ppc, stats);
std::string expected
= ("<GcStatisticsExt\n"
" :gen_v\n"
" [ <PerGenerationStatistics\n"
" :used_z 0\n"
" :n_gc 0\n"
" :new_alloc_z 0\n"
" :scanned_z 0\n"
" :survive_z 0\n"
" :promote_z 0>,\n"
" <PerGenerationStatistics\n"
" :used_z 0\n"
" :n_gc 0\n"
" :new_alloc_z 0\n"
" :scanned_z 0\n"
" :survive_z 0\n"
" :promote_z 0> ]\n"
" :total_allocated 0\n"
" :total_promoted_sab 0\n"
" :total_promoted 0\n"
" :n_mutation 0\n"
" :n_logged_mutation 0\n"
" :n_xgen_mutation 0\n"
" :n_xckp_mutation 0\n"
" :nursery_z 0\n"
" :nursery_before_checkpoint_z 0\n"
" :nursery_after_checkpoint_z 0\n"
" :tenured_z 0>");
if (actual != expected) {
CHECK(actual == expected);
CHECK(actual.length() == expected.length());
auto a_ix = actual.begin();
auto e_ix = expected.begin();
std::size_t pos = 0;
while (a_ix != actual.end() && e_ix != expected.end()) {
INFO(xtag("pos", pos));
INFO(xtag("matching_prefix", std::string(actual.c_str(), pos)));
REQUIRE(*a_ix == *e_ix);
++a_ix;
++e_ix;
++pos;
}
}
REQUIRE(actual == expected);
tag_config::tag_color_enabled = saved;
}
}
} /*namespace xo*/
/* GcStatistics.test.cpp */