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// RUN: %target-typecheck-verify-swift -verify-ignore-unknown
enum NonCodable : Hashable {
func hash(into hasher: inout Hasher) {}
static func ==(_ lhs: NonCodable, _ rhs: NonCodable) -> Bool {
return true
}
}
struct CodableGeneric<T> : Codable {
}
// Enums whose properties are not all Codable should fail to synthesize
// conformance.
enum NonConformingEnum : Codable { // expected-error {{type 'NonConformingEnum' does not conform to protocol 'Decodable'}}
// expected-error@-1 {{type 'NonConformingEnum' does not conform to protocol 'Decodable'}}
// expected-error@-2 {{type 'NonConformingEnum' does not conform to protocol 'Encodable'}}
// expected-error@-3 {{type 'NonConformingEnum' does not conform to protocol 'Encodable'}}
case x(
w: NonCodable, // expected-note {{cannot automatically synthesize 'Decodable' because 'NonCodable' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because 'NonCodable' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because 'NonCodable' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because 'NonCodable' does not conform to 'Encodable'}}
x: Int,
y: Double,
// FIXME: Remove when conditional conformance lands.
// Because conditional conformance is not yet available, Optional, Array,
// Set, and Dictionary all conform to Codable even when their generic
// parameters do not.
// We want to make sure that these cases prevent derived conformance.
nonCodableOptional: NonCodable? = nil, // expected-note {{cannot automatically synthesize 'Decodable' because 'NonCodable?' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because 'NonCodable?' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because 'NonCodable?' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because 'NonCodable?' does not conform to 'Encodable'}}
nonCodableArray: [NonCodable] = [], // expected-note {{cannot automatically synthesize 'Decodable' because '[NonCodable]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[NonCodable]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[NonCodable]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[NonCodable]' does not conform to 'Encodable'}}
nonCodableSet: Set<NonCodable> = [], // expected-note {{cannot automatically synthesize 'Decodable' because 'Set<NonCodable>' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because 'Set<NonCodable>' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because 'Set<NonCodable>' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because 'Set<NonCodable>' does not conform to 'Encodable'}}
nonCodableDictionary1: [String : NonCodable] = [:], // expected-note {{cannot automatically synthesize 'Decodable' because '[String : NonCodable]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[String : NonCodable]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[String : NonCodable]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[String : NonCodable]' does not conform to 'Encodable'}}
nonCodableDictionary2: [NonCodable : String] = [:], // expected-note {{cannot automatically synthesize 'Decodable' because '[NonCodable : String]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[NonCodable : String]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[NonCodable : String]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[NonCodable : String]' does not conform to 'Encodable'}}
nonCodableDictionary3: [NonCodable : NonCodable] = [:], // expected-note {{cannot automatically synthesize 'Decodable' because '[NonCodable : NonCodable]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[NonCodable : NonCodable]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[NonCodable : NonCodable]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[NonCodable : NonCodable]' does not conform to 'Encodable'}}
// These conditions should apply recursively, too.
nonCodableOptionalOptional: NonCodable?? = nil, // expected-note {{cannot automatically synthesize 'Decodable' because 'NonCodable??' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because 'NonCodable??' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because 'NonCodable??' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because 'NonCodable??' does not conform to 'Encodable'}}
nonCodableOptionalArray: [NonCodable]? = nil, // expected-note {{cannot automatically synthesize 'Decodable' because '[NonCodable]?' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[NonCodable]?' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[NonCodable]?' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[NonCodable]?' does not conform to 'Encodable'}}
nonCodableOptionalSet: Set<NonCodable>? = nil, // expected-note {{cannot automatically synthesize 'Decodable' because 'Set<NonCodable>?' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because 'Set<NonCodable>?' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because 'Set<NonCodable>?' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because 'Set<NonCodable>?' does not conform to 'Encodable'}}
nonCodableOptionalDictionary1: [String : NonCodable]? = nil, // expected-note {{cannot automatically synthesize 'Decodable' because '[String : NonCodable]?' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[String : NonCodable]?' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[String : NonCodable]?' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[String : NonCodable]?' does not conform to 'Encodable'}}
nonCodableOptionalDictionary2: [NonCodable : String]? = nil, // expected-note {{cannot automatically synthesize 'Decodable' because '[NonCodable : String]?' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[NonCodable : String]?' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[NonCodable : String]?' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[NonCodable : String]?' does not conform to 'Encodable'}}
nonCodableOptionalDictionary3: [NonCodable : NonCodable]? = nil, // expected-note {{cannot automatically synthesize 'Decodable' because '[NonCodable : NonCodable]?' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[NonCodable : NonCodable]?' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[NonCodable : NonCodable]?' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[NonCodable : NonCodable]?' does not conform to 'Encodable'}}
nonCodableArrayOptional: [NonCodable?] = [], // expected-note {{cannot automatically synthesize 'Decodable' because '[NonCodable?]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[NonCodable?]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[NonCodable?]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[NonCodable?]' does not conform to 'Encodable'}}
nonCodableArrayArray: [[NonCodable]] = [], // expected-note {{cannot automatically synthesize 'Decodable' because '[[NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[[NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[[NonCodable]]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[[NonCodable]]' does not conform to 'Encodable'}}
nonCodableArraySet: [Set<NonCodable>] = [], // expected-note {{cannot automatically synthesize 'Decodable' because '[Set<NonCodable>]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[Set<NonCodable>]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[Set<NonCodable>]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[Set<NonCodable>]' does not conform to 'Encodable'}}
nonCodableArrayDictionary1: [[String : NonCodable]] = [], // expected-note {{cannot automatically synthesize 'Decodable' because '[[String : NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[[String : NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[[String : NonCodable]]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[[String : NonCodable]]' does not conform to 'Encodable'}}
nonCodableArrayDictionary2: [[NonCodable : String]] = [], // expected-note {{cannot automatically synthesize 'Decodable' because '[[NonCodable : String]]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[[NonCodable : String]]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[[NonCodable : String]]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[[NonCodable : String]]' does not conform to 'Encodable'}}
nonCodableArrayDictionary3: [[NonCodable : NonCodable]] = [], // expected-note {{cannot automatically synthesize 'Decodable' because '[[NonCodable : NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[[NonCodable : NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[[NonCodable : NonCodable]]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[[NonCodable : NonCodable]]' does not conform to 'Encodable'}}
nonCodableDictionaryOptional1: [String : NonCodable?] = [:], // expected-note {{cannot automatically synthesize 'Decodable' because '[String : NonCodable?]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[String : NonCodable?]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[String : NonCodable?]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[String : NonCodable?]' does not conform to 'Encodable'}}
nonCodableDictionaryOptional2: [NonCodable : NonCodable?] = [:], // expected-note {{cannot automatically synthesize 'Decodable' because '[NonCodable : NonCodable?]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[NonCodable : NonCodable?]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[NonCodable : NonCodable?]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[NonCodable : NonCodable?]' does not conform to 'Encodable'}}
nonCodableDictionaryArray1: [String : [NonCodable]] = [:], // expected-note {{cannot automatically synthesize 'Decodable' because '[String : [NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[String : [NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[String : [NonCodable]]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[String : [NonCodable]]' does not conform to 'Encodable'}}
nonCodableDictionaryArray2: [NonCodable : [NonCodable]] = [:], // expected-note {{cannot automatically synthesize 'Decodable' because '[NonCodable : [NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[NonCodable : [NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[NonCodable : [NonCodable]]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[NonCodable : [NonCodable]]' does not conform to 'Encodable'}}
nonCodableDictionarySet1: [String : Set<NonCodable>] = [:], // expected-note {{cannot automatically synthesize 'Decodable' because '[String : Set<NonCodable>]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[String : Set<NonCodable>]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[String : Set<NonCodable>]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[String : Set<NonCodable>]' does not conform to 'Encodable'}}
nonCodableDictionarySet2: [NonCodable : Set<NonCodable>] = [:], // expected-note {{cannot automatically synthesize 'Decodable' because '[NonCodable : Set<NonCodable>]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[NonCodable : Set<NonCodable>]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[NonCodable : Set<NonCodable>]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[NonCodable : Set<NonCodable>]' does not conform to 'Encodable'}}
nonCodableDictionaryDictionary1: [String : [String : NonCodable]] = [:], // expected-note {{cannot automatically synthesize 'Decodable' because '[String : [String : NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[String : [String : NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[String : [String : NonCodable]]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[String : [String : NonCodable]]' does not conform to 'Encodable'}}
nonCodableDictionaryDictionary2: [NonCodable : [String : NonCodable]] = [:], // expected-note {{cannot automatically synthesize 'Decodable' because '[NonCodable : [String : NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[NonCodable : [String : NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[NonCodable : [String : NonCodable]]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[NonCodable : [String : NonCodable]]' does not conform to 'Encodable'}}
nonCodableDictionaryDictionary3: [String : [NonCodable : NonCodable]] = [:], // expected-note {{cannot automatically synthesize 'Decodable' because '[String : [NonCodable : NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[String : [NonCodable : NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[String : [NonCodable : NonCodable]]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[String : [NonCodable : NonCodable]]' does not conform to 'Encodable'}}
nonCodableDictionaryDictionary4: [NonCodable : [NonCodable : NonCodable]] = [:], // expected-note {{cannot automatically synthesize 'Decodable' because '[NonCodable : [NonCodable : NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because '[NonCodable : [NonCodable : NonCodable]]' does not conform to 'Decodable'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because '[NonCodable : [NonCodable : NonCodable]]' does not conform to 'Encodable'}}
// expected-note@-3 {{cannot automatically synthesize 'Encodable' because '[NonCodable : [NonCodable : NonCodable]]' does not conform to 'Encodable'}}
// However, arbitrary generic types which _do_ conform to Codable should be
// valid.
codableGenericThing1: CodableGeneric<NonCodable>? = nil,
codableGenericThing2: CodableGeneric<NonCodable?>? = nil,
codableGenericThing3: CodableGeneric<[NonCodable]>? = nil,
codableGenericThing4: CodableGeneric<Set<NonCodable>>? = nil,
codableGenericThing5: CodableGeneric<[String : NonCodable]>? = nil,
codableGenericThing6: CodableGeneric<[NonCodable : String]>? = nil,
codableGenericThing7: CodableGeneric<[NonCodable : NonCodable]>? = nil)
}
// They should not receive Codable methods.
let _ = NonConformingEnum.init(from:) // expected-error {{'NonConformingEnum' cannot be constructed because it has no accessible initializers}}
let _ = NonConformingEnum.encode(to:) // expected-error {{type 'NonConformingEnum' has no member 'encode(to:)'}}
// They should not get a CodingKeys type.
let _ = NonConformingEnum.XCodingKeys.self // expected-error {{'XCodingKeys' is inaccessible due to 'private' protection level}}
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