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xo-alloc2 xo-gc: assorted utest-guided cleanup ++ coverage

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This commit is contained in:
Roland Conybeare 2026-05-10 18:19:41 -04:00
commit 9b84ef8a7f
12 changed files with 111 additions and 11 deletions
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34
utest/arena.test.cpp
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@ -20,6 +20,7 @@ namespace xo {
using xo::mm::AllocHeaderConfig;
using xo::mm::ArenaConfig;
using xo::mm::AllocHeader;
using xo::mm::AllocInfo;
using xo::mm::padding;
using xo::mm::error;
using xo::facet::with_facet;
@ -223,6 +224,39 @@ namespace xo {
REQUIRE(a1o.allocated() <= a1o.committed());
REQUIRE(a1o.allocated() + a1o.available() == a1o.committed());
REQUIRE(a1o.committed() <= a1o.reserved());
auto committed0_z = a1o.committed();
// also test alloc info
AllocInfo m0_info = a1o.alloc_info(m0);
{
REQUIRE(m0_info.size() >= z0);
// {tseq, age}: feature disabled must be zero
REQUIRE(m0_info.tseq() == 0);
REQUIRE(m0_info.age() == 0);
REQUIRE(m0_info.payload().first == m0);
REQUIRE(m0_info.payload().second >= m0 + z0);
REQUIRE(m0_info.guard_z() == cfg.header_.guard_z_);
REQUIRE((uint32_t)m0_info.guard_byte() == (uint32_t)cfg.header_.guard_byte_);
}
a1o.clear();
// allocated size got reset
REQUIRE(a1o.allocated() == 0);
// committed size unchanged
REQUIRE(a1o.committed() == committed0_z);
REQUIRE(a1o.last_error().error_ == error::ok);
REQUIRE(a1o.last_error().error_seq_ == 0);
// allocator no longer contains m0 (now points to unallocated but committed memory
// (not exposed via AAllocator!
// REQUIRE(a1o.contains_allocated(m0) == false);
REQUIRE(a1o.contains(m0));
}
TEST_CASE("allocator-alloc-3", "[alloc2][Allocator]")