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15 changes: 13 additions & 2 deletions Sources/Testing/ABI/ABI.Record.swift
Original file line number Diff line number Diff line change
Expand Up @@ -70,15 +70,26 @@ extension ABI.Record: Codable {
init(from decoder: any Decoder) throws {
let container = try decoder.container(keyedBy: CodingKeys.self)

let versionNumber = try container.decode(VersionNumber.self, forKey: .version)
if versionNumber != V.versionNumber {
func validateVersionNumber(_ versionNumber: VersionNumber) throws {
if versionNumber == V.versionNumber {
return
}
#if !hasFeature(Embedded)
// Allow for alternate version numbers if they correspond to the expected
// record version (e.g. "1.2.3" might map to `v1_2_0` without a problem.)
if ABI.version(forVersionNumber: versionNumber) == V.self {
return
}
#endif
throw DecodingError.dataCorrupted(
DecodingError.Context(
codingPath: decoder.codingPath + CollectionOfOne(CodingKeys.version as any CodingKey),
debugDescription: "Unexpected record version \(versionNumber) (expected \(V.versionNumber))."
)
)
}
let versionNumber = try container.decode(VersionNumber.self, forKey: .version)
try validateVersionNumber(versionNumber)

switch try container.decode(String.self, forKey: .kind) {
case "test":
Expand Down