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xo-arena: move DArena utest from xo-alloc2/

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This commit is contained in:
Roland Conybeare 2026-01-06 17:27:34 -05:00
commit c54115e0e4
1 changed files with 0 additions and 43 deletions
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43
utest/arena.test.cpp
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@ -37,49 +37,6 @@ namespace xo {
REQUIRE(IAllocator_Xfer<DArena, IAllocator_DArena>::_valid);
}
TEST_CASE("DArena-tiny", "[alloc2][DArena]")
{
ArenaConfig cfg { .name_ = "testarena",
.size_ = 1 };
DArena arena = DArena::map(cfg);
REQUIRE(arena.config_.name_ == cfg.name_);
REQUIRE(arena.lo_ != nullptr);
REQUIRE(arena.free_ == arena.lo_);
REQUIRE(arena.limit_ == arena.lo_);
REQUIRE(arena.hi_ != nullptr);
REQUIRE(arena.hi_ > arena.lo_);
REQUIRE(((size_t)arena.hi_ - (size_t)arena.lo_) % arena.page_z_ == 0);
REQUIRE(arena.lo_ + cfg.size_ <= arena.hi_);
/* verify arena.lo_ is aligned on a page boundary */
REQUIRE(((size_t)(arena.lo_) & (arena.page_z_ - 1)) == 0);
/* verify arena.hi_ is aligned on a hugepage boundary */
REQUIRE(((size_t)(arena.hi_) & (arena.page_z_ - 1)) == 0);
byte * lo = arena.lo_;
byte * free = arena.free_;
byte * limit = arena.limit_;
byte * hi = arena.hi_;
size_t committed_z = arena.committed_z_;
DArena arena2 = std::move(arena);
REQUIRE(arena.lo_ == nullptr);
REQUIRE(arena.free_ == nullptr);
REQUIRE(arena.limit_ == nullptr);
REQUIRE(arena.hi_ == nullptr);
REQUIRE(arena.committed_z_ == 0);
REQUIRE(arena.lo_ == nullptr);
REQUIRE(arena2.lo_ == lo);
REQUIRE(arena2.free_ == free);
REQUIRE(arena2.limit_ == limit);
REQUIRE(arena2.hi_ == hi);
REQUIRE(arena2.committed_z_ == committed_z);
}
TEST_CASE("DArena-medium", "[alloc2][DArena]")
{
ArenaConfig cfg { .name_ = "testarena",