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xo-alloc2: allocation unit tests

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This commit is contained in:
Roland Conybeare 2025-12-12 14:04:20 -05:00
commit 1ac6631d6d
4 changed files with 82 additions and 12 deletions
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2
xo-alloc2/include/xo/alloc2/RAllocator.hpp
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@ -30,6 +30,8 @@ namespace xo {
size_type available() const { return O::iface()->available(O::data()); }
size_type allocated() const { return O::iface()->allocated(O::data()); }
bool contains(const void * p) const { return O::iface()->contains(O::data(), p); }
AllocatorError last_error() const { return O::iface()->last_error(O::data()); }
bool expand(size_type z) { return O::iface()->expand(O::data(), z); }
std::byte * alloc(size_type z) { return O::iface()->alloc(O::data(), z); }

5
xo-alloc2/include/xo/alloc2/padding.hpp
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@ -15,6 +15,11 @@ namespace xo {
/** word size for alignment**/
static constexpr std::size_t c_alloc_alignment = sizeof(std::uintptr_t);
static inline std::size_t is_aligned(std::size_t n,
std::size_t align = c_alloc_alignment) {
return n % align == 0;
}
/** how much to add to @p z to get a multiple of
* @ref c_alloc_alignment
**/