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xo-alloc2: + Allocator.available() + unit test

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This commit is contained in:
Roland Conybeare 2025-12-12 11:50:12 -05:00
commit e2efe9d605
7 changed files with 40 additions and 12 deletions
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xo-alloc2/utest/arena.test.cpp
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@ -114,6 +114,8 @@ namespace xo {
DArena arena = DArena::map(cfg);
obj<AAllocator, DArena> a1o{&arena};
REQUIRE(a1o.available() == 0);
size_t z2 = 512;
REQUIRE(a1o.expand(z2));
@ -122,6 +124,8 @@ namespace xo {
REQUIRE(a1o.committed() % cfg.hugepage_z_ == 0);
/* .size() is synonym for .committed() */
REQUIRE(a1o.size() == a1o.committed());
REQUIRE(a1o.available() >= z2);
REQUIRE(a1o.available() == a1o.committed());
#ifdef NOPE
byte * m = a1o.alloc(1);