docs(acl): fix the two comment nits from the T1 re-review — displacement precision, straggler-test claim

2026-08-17 06:09:13 -04:00
parent 580b77cecf
commit d54b4fab62
2 changed files with 6 additions and 5 deletions
@@ -295,8 +295,9 @@ public sealed class SessionAclDecisionCacheTests
        cache.TryGet(generation: 1, Session, OpcUaOperation.Read, AddressSpaceRealm.Raw, Node, out _)
            .ShouldBeFalse("a superseded snapshot must recompute rather than read the newer generation");

-        // Asserted BEFORE the generation-2 lookup below, which would itself restore a rolled-back stamp and
-        // hide the defect.
+        // Asserted BEFORE the generation-2 lookup below, which would itself restore a rolled-back stamp —
+        // so a stamp assertion made after it could never fail. (The purge half would still surface, as the
+        // last lookup would miss; it is the stamp half that needs its assertion here.)
        cache.Generation.ShouldBe(2, "the straggler must not have rolled the stamp backward");
        cache.Count.ShouldBe(1, "and must not have purged the current generation's entries");