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|
// RUN: %target-typecheck-verify-swift -swift-version 6
// REQUIRES: OS=macosx
public protocol Horse {}
func takesHorse<T : Horse>(_: T) {}
func takesHorseExistential(_: Horse) {}
extension Horse {
func giddyUp() {}
var isGalloping: Bool { true }
}
struct UsesHorse<T : Horse> {}
// Unconditional unavailability
public struct HasUnavailableConformance1 {}
@available(*, unavailable)
extension HasUnavailableConformance1 : Horse {}
// expected-note@-1 7{{conformance of 'HasUnavailableConformance1' to 'Horse' has been explicitly marked unavailable here}}
func passUnavailableConformance1(x: HasUnavailableConformance1) {
takesHorse(x) // expected-error {{conformance of 'HasUnavailableConformance1' to 'Horse' is unavailable}}
takesHorseExistential(x) // expected-error {{conformance of 'HasUnavailableConformance1' to 'Horse' is unavailable}}
x.giddyUp() // expected-error {{conformance of 'HasUnavailableConformance1' to 'Horse' is unavailable}}
_ = x.isGalloping // expected-error {{conformance of 'HasUnavailableConformance1' to 'Horse' is unavailable}}
_ = x[keyPath: \.isGalloping] // expected-error {{conformance of 'HasUnavailableConformance1' to 'Horse' is unavailable}}
_ = UsesHorse<HasUnavailableConformance1>.self // expected-error {{conformance of 'HasUnavailableConformance1' to 'Horse' is unavailable}}
}
@available(*, unavailable)
func passUnavailableConformance1a(x: HasUnavailableConformance1) {
takesHorse(x)
takesHorseExistential(x)
x.giddyUp()
_ = x.isGalloping
_ = x[keyPath: \.isGalloping]
_ = UsesHorse<HasUnavailableConformance1>.self
}
// Platform unavailability
public struct HasUnavailableConformance2 {}
@available(macOS, unavailable)
extension HasUnavailableConformance2 : Horse {}
// expected-note@-1 6{{conformance of 'HasUnavailableConformance2' to 'Horse' has been explicitly marked unavailable here}}
func passUnavailableConformance2(x: HasUnavailableConformance2) {
takesHorse(x) // expected-error {{conformance of 'HasUnavailableConformance2' to 'Horse' is unavailable in macOS}}
takesHorseExistential(x) // expected-error {{conformance of 'HasUnavailableConformance2' to 'Horse' is unavailable in macOS}}
x.giddyUp() // expected-error {{conformance of 'HasUnavailableConformance2' to 'Horse' is unavailable in macOS}}
_ = x.isGalloping // expected-error {{conformance of 'HasUnavailableConformance2' to 'Horse' is unavailable in macOS}}
_ = x[keyPath: \.isGalloping] // expected-error {{conformance of 'HasUnavailableConformance2' to 'Horse' is unavailable in macOS}}
_ = UsesHorse<HasUnavailableConformance2>.self // expected-error {{conformance of 'HasUnavailableConformance2' to 'Horse' is unavailable in macOS}}
}
@available(macOS, unavailable)
func passUnavailableConformance2a(x: HasUnavailableConformance2) {
// This is allowed
takesHorse(x)
takesHorseExistential(x)
x.giddyUp()
_ = x.isGalloping
_ = x[keyPath: \.isGalloping]
}
// Swift version unavailability
public struct HasUnavailableConformance3 {}
@available(swift 12)
extension HasUnavailableConformance3 : Horse {}
// expected-note@-1 12{{conformance of 'HasUnavailableConformance3' to 'Horse' was introduced in Swift 12}}
func passUnavailableConformance3(x: HasUnavailableConformance3) {
takesHorse(x) // expected-error {{conformance of 'HasUnavailableConformance3' to 'Horse' is unavailable}}
takesHorseExistential(x) // expected-error {{conformance of 'HasUnavailableConformance3' to 'Horse' is unavailable}}
x.giddyUp() // expected-error {{conformance of 'HasUnavailableConformance3' to 'Horse' is unavailable}}
_ = x.isGalloping // expected-error {{conformance of 'HasUnavailableConformance3' to 'Horse' is unavailable}}
_ = x[keyPath: \.isGalloping] // expected-error {{conformance of 'HasUnavailableConformance3' to 'Horse' is unavailable}}
_ = UsesHorse<HasUnavailableConformance3>.self // expected-error {{conformance of 'HasUnavailableConformance3' to 'Horse' is unavailable}}
}
@available(swift 12)
func passUnavailableConformance3a(x: HasUnavailableConformance3) {
takesHorse(x) // expected-error {{conformance of 'HasUnavailableConformance3' to 'Horse' is unavailable}}
takesHorseExistential(x) // expected-error {{conformance of 'HasUnavailableConformance3' to 'Horse' is unavailable}}
x.giddyUp() // expected-error {{conformance of 'HasUnavailableConformance3' to 'Horse' is unavailable}}
_ = x.isGalloping // expected-error {{conformance of 'HasUnavailableConformance3' to 'Horse' is unavailable}}
_ = x[keyPath: \.isGalloping] // expected-error {{conformance of 'HasUnavailableConformance3' to 'Horse' is unavailable}}
_ = UsesHorse<HasUnavailableConformance3>.self // expected-error {{conformance of 'HasUnavailableConformance3' to 'Horse' is unavailable}}
}
// Platform obsoleted
public struct HasUnavailableConformance4 {}
@available(macOS, obsoleted: 10.1)
extension HasUnavailableConformance4 : Horse {}
// expected-note@-1 12{{conformance of 'HasUnavailableConformance4' to 'Horse' was obsoleted in macOS 10.1}}
func passUnavailableConformance4(x: HasUnavailableConformance4) {
takesHorse(x) // expected-error {{conformance of 'HasUnavailableConformance4' to 'Horse' is unavailable in macOS}}
takesHorseExistential(x) // expected-error {{conformance of 'HasUnavailableConformance4' to 'Horse' is unavailable in macOS}}
x.giddyUp() // expected-error {{conformance of 'HasUnavailableConformance4' to 'Horse' is unavailable in macOS}}
_ = x.isGalloping // expected-error {{conformance of 'HasUnavailableConformance4' to 'Horse' is unavailable}}
_ = x[keyPath: \.isGalloping] // expected-error {{conformance of 'HasUnavailableConformance4' to 'Horse' is unavailable}}
_ = UsesHorse<HasUnavailableConformance4>.self // expected-error {{conformance of 'HasUnavailableConformance4' to 'Horse' is unavailable in macOS}}
}
@available(macOS, obsoleted: 10.1)
func passUnavailableConformance4a(x: HasUnavailableConformance4) {
takesHorse(x) // expected-error {{conformance of 'HasUnavailableConformance4' to 'Horse' is unavailable in macOS}}
takesHorseExistential(x) // expected-error {{conformance of 'HasUnavailableConformance4' to 'Horse' is unavailable in macOS}}
x.giddyUp() // expected-error {{conformance of 'HasUnavailableConformance4' to 'Horse' is unavailable in macOS}}
_ = x.isGalloping // expected-error {{conformance of 'HasUnavailableConformance4' to 'Horse' is unavailable}}
_ = x[keyPath: \.isGalloping] // expected-error {{conformance of 'HasUnavailableConformance4' to 'Horse' is unavailable}}
_ = UsesHorse<HasUnavailableConformance4>.self // expected-error {{conformance of 'HasUnavailableConformance4' to 'Horse' is unavailable in macOS}}
}
// Swift obsoleted
public struct HasUnavailableConformance5 {}
@available(swift, obsoleted: 4)
extension HasUnavailableConformance5 : Horse {}
// expected-note@-1 12{{conformance of 'HasUnavailableConformance5' to 'Horse' was obsoleted in Swift 4}}
func passUnavailableConformance5(x: HasUnavailableConformance5) {
takesHorse(x) // expected-error {{conformance of 'HasUnavailableConformance5' to 'Horse' is unavailable}}
takesHorseExistential(x) // expected-error {{conformance of 'HasUnavailableConformance5' to 'Horse' is unavailable}}
x.giddyUp() // expected-error {{conformance of 'HasUnavailableConformance5' to 'Horse' is unavailable}}
_ = x.isGalloping // expected-error {{conformance of 'HasUnavailableConformance5' to 'Horse' is unavailable}}
_ = x[keyPath: \.isGalloping] // expected-error {{conformance of 'HasUnavailableConformance5' to 'Horse' is unavailable}}
_ = UsesHorse<HasUnavailableConformance5>.self // expected-error {{conformance of 'HasUnavailableConformance5' to 'Horse' is unavailable}}
}
@available(swift, obsoleted: 4)
func passUnavailableConformance5a(x: HasUnavailableConformance5) {
takesHorse(x) // expected-error {{conformance of 'HasUnavailableConformance5' to 'Horse' is unavailable}}
takesHorseExistential(x) // expected-error {{conformance of 'HasUnavailableConformance5' to 'Horse' is unavailable}}
x.giddyUp() // expected-error {{conformance of 'HasUnavailableConformance5' to 'Horse' is unavailable}}
_ = x.isGalloping // expected-error {{conformance of 'HasUnavailableConformance5' to 'Horse' is unavailable}}
_ = x[keyPath: \.isGalloping] // expected-error {{conformance of 'HasUnavailableConformance5' to 'Horse' is unavailable}}
_ = UsesHorse<HasUnavailableConformance5>.self // expected-error {{conformance of 'HasUnavailableConformance5' to 'Horse' is unavailable}}
}
// Unavailable with message
public struct HasUnavailableConformance6 {}
@available(*, unavailable, message: "This conformance is bad")
extension HasUnavailableConformance6 : Horse {}
// expected-note@-1 6{{conformance of 'HasUnavailableConformance6' to 'Horse' has been explicitly marked unavailable here}}
func passUnavailableConformance6(x: HasUnavailableConformance6) {
takesHorse(x) // expected-error {{conformance of 'HasUnavailableConformance6' to 'Horse' is unavailable: This conformance is bad}}
takesHorseExistential(x) // expected-error {{conformance of 'HasUnavailableConformance6' to 'Horse' is unavailable: This conformance is bad}}
x.giddyUp() // expected-error {{conformance of 'HasUnavailableConformance6' to 'Horse' is unavailable: This conformance is bad}}
_ = x.isGalloping // expected-error {{conformance of 'HasUnavailableConformance6' to 'Horse' is unavailable: This conformance is bad}}
_ = x[keyPath: \.isGalloping] // expected-error {{conformance of 'HasUnavailableConformance6' to 'Horse' is unavailable: This conformance is bad}}
_ = UsesHorse<HasUnavailableConformance6>.self // expected-error {{conformance of 'HasUnavailableConformance6' to 'Horse' is unavailable: This conformance is bad}}
}
// Deprecated
public struct HasDeprecatedConformance1 {}
@available(*, deprecated)
extension HasDeprecatedConformance1 : Horse {}
func passDeprecatedConformance1(x: HasDeprecatedConformance1) {
takesHorse(x) // expected-warning {{conformance of 'HasDeprecatedConformance1' to 'Horse' is deprecated}}
takesHorseExistential(x) // expected-warning {{conformance of 'HasDeprecatedConformance1' to 'Horse' is deprecated}}
x.giddyUp() // expected-warning {{conformance of 'HasDeprecatedConformance1' to 'Horse' is deprecated}}
_ = x.isGalloping // expected-warning {{conformance of 'HasDeprecatedConformance1' to 'Horse' is deprecated}}
_ = x[keyPath: \.isGalloping] // expected-warning {{conformance of 'HasDeprecatedConformance1' to 'Horse' is deprecated}}
_ = UsesHorse<HasDeprecatedConformance1>.self // expected-warning {{conformance of 'HasDeprecatedConformance1' to 'Horse' is deprecated}}
}
@available(*, deprecated)
func passDeprecatedConformance1a(x: HasDeprecatedConformance1) {
takesHorse(x)
takesHorseExistential(x)
x.giddyUp()
_ = x.isGalloping
_ = x[keyPath: \.isGalloping]
_ = UsesHorse<HasDeprecatedConformance1>.self
}
// Deprecated with message
public struct HasDeprecatedConformance2 {}
@available(*, deprecated, message: "This conformance is deprecated")
extension HasDeprecatedConformance2 : Horse {}
func passDeprecatedConformance2(x: HasDeprecatedConformance2) {
takesHorse(x) // expected-warning {{conformance of 'HasDeprecatedConformance2' to 'Horse' is deprecated: This conformance is deprecated}}
takesHorseExistential(x) // expected-warning {{conformance of 'HasDeprecatedConformance2' to 'Horse' is deprecated: This conformance is deprecated}}
x.giddyUp() // expected-warning {{conformance of 'HasDeprecatedConformance2' to 'Horse' is deprecated: This conformance is deprecated}}
_ = x.isGalloping // expected-warning {{conformance of 'HasDeprecatedConformance2' to 'Horse' is deprecated: This conformance is deprecated}}
_ = x[keyPath: \.isGalloping] // expected-warning {{conformance of 'HasDeprecatedConformance2' to 'Horse' is deprecated: This conformance is deprecated}}
_ = UsesHorse<HasDeprecatedConformance2>.self // expected-warning {{conformance of 'HasDeprecatedConformance2' to 'Horse' is deprecated: This conformance is deprecated}}
}
@available(*, deprecated)
func passDeprecatedConformance2a(x: HasDeprecatedConformance2) {
takesHorse(x)
takesHorseExistential(x)
x.giddyUp()
_ = x.isGalloping
_ = x[keyPath: \.isGalloping]
_ = UsesHorse<HasDeprecatedConformance2>.self
}
// Deprecated with version
public struct HasDeprecatedConformance3 {}
@available(macOS, introduced: 10.7, deprecated: 10.8)
extension HasDeprecatedConformance3 : Horse {}
func passDeprecatedConformance3(x: HasDeprecatedConformance3) {
takesHorse(x) // expected-warning {{conformance of 'HasDeprecatedConformance3' to 'Horse' was deprecated in macOS 10.8}}
takesHorseExistential(x) // expected-warning {{conformance of 'HasDeprecatedConformance3' to 'Horse' was deprecated in macOS 10.8}}
x.giddyUp() // expected-warning {{conformance of 'HasDeprecatedConformance3' to 'Horse' was deprecated in macOS 10.8}}
_ = x.isGalloping // expected-warning {{conformance of 'HasDeprecatedConformance3' to 'Horse' was deprecated in macOS 10.8}}
_ = x[keyPath: \.isGalloping] // expected-warning {{conformance of 'HasDeprecatedConformance3' to 'Horse' was deprecated in macOS 10.8}}
_ = UsesHorse<HasDeprecatedConformance3>.self // expected-warning {{conformance of 'HasDeprecatedConformance3' to 'Horse' was deprecated in macOS 10.8}}
}
func passDeprecatedConformance3a(x: HasDeprecatedConformance3) {
if #available(macOS 10.8, *) {
} else {
// This branch is dead with our minimum deployment target, so don't emit
// deprecation diagnostics in it.
takesHorse(x)
takesHorseExistential(x)
x.giddyUp()
_ = x.isGalloping
_ = x[keyPath: \.isGalloping]
_ = UsesHorse<HasDeprecatedConformance3>.self
}
}
// Availability with version
public struct HasAvailableConformance1 {}
@available(macOS 100, *)
extension HasAvailableConformance1 : Horse {}
// These availability violations are errors because this test passes the
// -swift-version 6.
// See the other test case in test/Sema/conformance_availability_warn.swift for
// the same example for -swift-version 5.
func passAvailableConformance1(x: HasAvailableConformance1) { // expected-note 6{{add @available attribute to enclosing global function}}
takesHorse(x) // expected-error {{conformance of 'HasAvailableConformance1' to 'Horse' is only available in macOS 100 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
takesHorseExistential(x) // expected-error {{conformance of 'HasAvailableConformance1' to 'Horse' is only available in macOS 100 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
x.giddyUp() // expected-error {{conformance of 'HasAvailableConformance1' to 'Horse' is only available in macOS 100 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
_ = x.isGalloping // expected-error {{conformance of 'HasAvailableConformance1' to 'Horse' is only available in macOS 100 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
_ = x[keyPath: \.isGalloping] // expected-error {{conformance of 'HasAvailableConformance1' to 'Horse' is only available in macOS 100 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
_ = UsesHorse<HasAvailableConformance1>.self // expected-error {{conformance of 'HasAvailableConformance1' to 'Horse' is only available in macOS 100 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
@available(macOS 100, *)
func passAvailableConformance1a(x: HasAvailableConformance1) {
takesHorse(x)
takesHorseExistential(x)
x.giddyUp()
_ = x.isGalloping
_ = x[keyPath: \.isGalloping]
_ = UsesHorse<HasAvailableConformance1>.self
}
// Associated conformance with unavailability
protocol Rider {
associatedtype H : Horse
}
struct AssocConformanceUnavailable : Rider {
// expected-error@-1 {{conformance of 'HasUnavailableConformance1' to 'Horse' is unavailable}}
// expected-note@-2 {{in associated type 'Self.H' (inferred as 'HasUnavailableConformance1')}}
typealias H = HasUnavailableConformance1
}
// Associated conformance with deprecation
struct AssocConformanceDeprecated : Rider {
// expected-warning@-1 {{conformance of 'HasDeprecatedConformance1' to 'Horse' is deprecated}}
// expected-note@-2 {{in associated type 'Self.H' (inferred as 'HasDeprecatedConformance1')}}
typealias H = HasDeprecatedConformance1
}
// Associated conformance with availability
struct AssocConformanceAvailable1 : Rider {
// expected-error@-1 {{conformance of 'HasAvailableConformance1' to 'Horse' is only available in macOS 100 or newer}}
// expected-note@-2 {{in associated type 'Self.H' (inferred as 'HasAvailableConformance1')}}
// expected-note@-3 {{add @available attribute to enclosing struct}}
typealias H = HasAvailableConformance1
}
@available(macOS 100, *)
struct AssocConformanceAvailable2 : Rider {
typealias H = HasAvailableConformance1
}
struct AssocConformanceAvailable3 {}
extension AssocConformanceAvailable3 : Rider {
// expected-error@-1 {{conformance of 'HasAvailableConformance1' to 'Horse' is only available in macOS 100 or newer}}
// expected-note@-2 {{in associated type 'Self.H' (inferred as 'HasAvailableConformance1')}}
// expected-note@-3 {{add @available attribute to enclosing extension}}
typealias H = HasAvailableConformance1
}
struct AssocConformanceAvailable4 {}
@available(macOS 100, *)
extension AssocConformanceAvailable4 : Rider {
typealias H = HasAvailableConformance1
}
// Solution ranking should down-rank solutions involving unavailable conformances
protocol First {}
extension First {
func doStuff<T>(_: T) -> Bool {}
}
protocol Second {}
extension Second {
func doStuff(_: Int) -> Int {}
}
struct ConformingType1 {}
extension ConformingType1 : First {}
@available(macOS 100, *)
extension ConformingType1 : Second {}
func usesConformingType1(_ c: ConformingType1) {
// We should pick First.doStuff() here, since Second.doStuff() is unavailable
let result = c.doStuff(123)
let _: Bool = result
}
@available(macOS 100, *)
func usesConformingType1a(_ c: ConformingType1) {
// We should pick Second.doStuff() here, since it is more specialized than
// First.doStuff()
let result = c.doStuff(123)
let _: Int = result
}
// Same as above but unconditionally unavailable
struct ConformingType2 {}
extension ConformingType2 : First {}
@available(*, unavailable)
extension ConformingType2 : Second {}
func usesConformingType2(_ c: ConformingType2) {
// We should pick First.doStuff() here, since Second.doStuff() is unavailable
let result = c.doStuff(123)
let _: Bool = result
}
// Make sure this also works for synthesized conformances
struct UnavailableHashable {
let x: Int
let y: Int
}
@available(macOS 100, *)
extension UnavailableHashable : Hashable {}
func usesUnavailableHashable(_ c: UnavailableHashable) {
// expected-note@-1 2 {{add @available attribute to enclosing global function}}
_ = Set([c])
// expected-error@-1 2 {{conformance of 'UnavailableHashable' to 'Hashable' is only available in macOS 100 or newer}}
// expected-note@-2 2 {{add 'if #available' version check}}
}
// Actually make sure we check witness availability correctly.
protocol Vehicle {
func move() // expected-note {{protocol requirement here}}
}
@available(macOS 100, *)
struct Pony : Vehicle {
func move() {}
}
struct Bike {}
@available(macOS 100, *)
extension Bike : Vehicle {
func move() {}
}
class Car {}
class ClownCar : Car {}
@available(macOS 200, *)
extension Car {
func move() {} // expected-note {{'move()' declared here}}
}
@available(macOS 100, *)
extension ClownCar : Vehicle {}
// expected-error@-1 {{protocol 'Vehicle' requires 'move()' to be available in macOS 100 and newer}}
// rdar://problem/75430966 - Allow using unavailable conformances from unavailable contexts.
@available(*, unavailable)
public enum UnavailableEnum {
case horse
}
@available(*, unavailable)
extension UnavailableEnum : Swift.Equatable {}
@available(*, unavailable)
extension UnavailableEnum : Swift.Hashable {}
|
