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xo-alloc2: AAllocator.expand() working

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This commit is contained in:
Roland Conybeare 2025-12-12 11:38:48 -05:00
commit 5b96781801
3 changed files with 21 additions and 10 deletions
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12
utest/arena.test.cpp
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@ -10,6 +10,7 @@
#include "xo/alloc2/IAllocator_DArena.hpp"
#include "xo/alloc2/RAllocator.hpp"
#include "xo/alloc2/padding.hpp"
#include "xo/indentlog/scope.hpp"
#include "xo/facet/obj.hpp"
#include <catch2/catch.hpp>
@ -20,6 +21,7 @@ namespace xo {
using xo::mm::DArena;
using xo::mm::ArenaConfig;
using xo::facet::obj;
using xo::scope;
using std::byte;
using std::size_t;
@ -107,13 +109,19 @@ namespace xo {
{
/* typed allocator a1o */
ArenaConfig cfg { .name_ = "testarena",
.size_ = 1 };
.size_ = 1,
.debug_flag_ = false };
DArena arena = DArena::map(cfg);
obj<AAllocator, DArena> a1o{&arena};
a1o.expand(3*1024*1024);
size_t z2 = 512;
REQUIRE(a1o.expand(z2));
REQUIRE(a1o.reserved() % cfg.hugepage_z_ == 0);
REQUIRE(a1o.committed() >= z2);
REQUIRE(a1o.committed() % cfg.hugepage_z_ == 0);
/* .size() is synonym for .committed() */
REQUIRE(a1o.size() == a1o.committed());
#ifdef NOPE
byte * m = a1o.alloc(1);