Delete Hidden, HiddenProblem, UnreadKeyedMembers/UnreadMembers, Settle's
[MessagePackFormatter] refusals and the door's written-as-object branch.
Classify gains Leaf for attribute-formatted, [DataContract] and string-keyed
types; MembersOf honours the most derived AllowPrivate; the door refuses a
null StandardResolver formatter with the throwing path's text.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
WrittenAsWalked required StandardResolver's formatter to equal one of the walk's own families, which refused every source-generated formatter. WrittenAgainstWalk asks one contrary resolver per walk kind and refuses only on a reference match. DcSeq is refused as a collection written as an object; FormattedRoles passes (registration owns the attribute).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
EnumeratesObjects took ElementTypeOf first, which for a dictionary is the
KeyValuePair (a leaf), so a keyed Dictionary subclass never reached the path; the
map's value type is asked first. The unreachable null-standard guard in
WrittenAsWalked is removed. Tests pin the direction and wording of the refusal, the
attribute-formatter collection case and the unwrapped inner exception.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
CultElementIds is the walk's model of a type; MessagePack's StandardResolver owns how
a type is written, and nothing checked that the two agree. ResolverClaim now asks,
for each id-path type, whether StandardResolver's formatter is the object or union
resolver's (a type read by key) or a collection resolver's (a collection), and refuses
the document at first encode or decode when it is not, naming the type. A keyed type
that enumerates objects goes on the path so a keyed List subclass is caught. A type
MessagePack cannot build a formatter for, and a resolver ahead that throws, are typed
refusals; the AllowPrivate catch is pinned (s4: keyed-enumerable-misclassified,
allowprivate-catch-unpinned).
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
No fixture makes StandardResolverAllowPrivate throw when asked for a formatter (Stryker: the catch stays
NoCoverage), so the test pinned nothing the claim tests do not.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Stryker found the primitive, enum and object tests in Classify redundant with the value-type and unkeyed
branches, so they are gone. The new tests kill the survivors that were behaviour: a nullable keyed struct
walked as its struct, an unannotated struct treated as a value, [MessagePackObject] reaching a subclass,
and a claim on a type StandardResolverAllowPrivate cannot format.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
It writes the [Key] layout plus non-public keyed members, and registration now refuses any of those that
reaches an object list, so no element id can be dropped. The comparison is made lazily, only after an
ahead resolver returned a non-standard formatter, and an exception from it reads as not equal.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Stryker survivors on the id-path walk: dropping the union-subtype edge, dropping the
element base from the path. Both now have a test that fails without them.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Registration: a concrete element type of an object list that is not keyed, and
[MessagePackFormatter] on any type or member on the id path or on the id member, are
refused. The id path is a fixed point over the walk's edges. The codec refuses, once per
document type and on every encode and decode path, a resolver ahead of StandardResolver
that formats a type on that path. UnionArmGuardTests moves StubArm out of the list union.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
LeafInner, the Node arms (Wrap new), the Outcome arms, and the GuardNode arms
(Branch, Unit8, StubArm new) take [Key] [CultElementId] string Id, with fixed
literal ids and hand-written emitters updated to the new slots. Goldens are
regenerated in the next commits.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Manual mutants survived: the record key and schema id were only asserted through the
cause chain, and an inner built from StandardResolver alone passed every test.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
A guard ahead of MessagePack-CSharp's union formatter decides both; the store
decode site names the record and schema.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
