blob: 5134ea9e5b12c3b42dc96c57f299f4c0a6a459ef [file] [log] [blame]
// RUN: %target-typecheck-verify-swift -target x86_64-apple-macosx10.50 -disable-objc-attr-requires-foundation-module
// RUN: not %target-swift-frontend -target x86_64-apple-macosx10.50 -disable-objc-attr-requires-foundation-module -typecheck %s 2>&1 | %FileCheck %s '--implicit-check-not=<unknown>:0'
// Make sure we do not emit availability errors or warnings when -disable-availability-checking is passed
// RUN: not %target-swift-frontend -target x86_64-apple-macosx10.50 -typecheck -disable-objc-attr-requires-foundation-module -disable-availability-checking %s 2>&1 | %FileCheck %s '--implicit-check-not=error:' '--implicit-check-not=warning:'
// REQUIRES: OS=macosx
func markUsed<T>(_ t: T) {}
@available(OSX, introduced: 10.9)
func globalFuncAvailableOn10_9() -> Int { return 9 }
@available(OSX, introduced: 10.51)
func globalFuncAvailableOn10_51() -> Int { return 10 }
@available(OSX, introduced: 10.52)
func globalFuncAvailableOn10_52() -> Int { return 11 }
// Top level should reflect the minimum deployment target.
let ignored1: Int = globalFuncAvailableOn10_9()
let ignored2: Int = globalFuncAvailableOn10_51() // expected-error {{'globalFuncAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let ignored3: Int = globalFuncAvailableOn10_52() // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
// Functions without annotations should reflect the minimum deployment target.
func functionWithoutAvailability() {
// expected-note@-1 2{{add @available attribute to enclosing global function}}
let _: Int = globalFuncAvailableOn10_9()
let _: Int = globalFuncAvailableOn10_51() // expected-error {{'globalFuncAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let _: Int = globalFuncAvailableOn10_52() // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
// Functions with annotations should refine their bodies.
@available(OSX, introduced: 10.51)
func functionAvailableOn10_51() {
let _: Int = globalFuncAvailableOn10_9()
let _: Int = globalFuncAvailableOn10_51()
// Nested functions should get their own refinement context.
@available(OSX, introduced: 10.52)
func innerFunctionAvailableOn10_52() {
let _: Int = globalFuncAvailableOn10_9()
let _: Int = globalFuncAvailableOn10_51()
let _: Int = globalFuncAvailableOn10_52()
}
let _: Int = globalFuncAvailableOn10_52() // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
// Don't allow script-mode globals to marked potentially unavailable. Their
// initializers are eagerly executed.
@available(OSX, introduced: 10.51) // expected-error {{global variable cannot be marked potentially unavailable with '@available' in script mode}}
var potentiallyUnavailableGlobalInScriptMode: Int = globalFuncAvailableOn10_51()
// Still allow other availability annotations on script-mode globals
@available(OSX, deprecated: 10.51)
var deprecatedGlobalInScriptMode: Int = 5
if #available(OSX 10.51, *) {
let _: Int = globalFuncAvailableOn10_51()
let _: Int = globalFuncAvailableOn10_52() // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
if #available(OSX 10.51, *) {
let _: Int = globalFuncAvailableOn10_51()
let _: Int = globalFuncAvailableOn10_52() // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
} else {
let _: Int = globalFuncAvailableOn10_9()
let _: Int = globalFuncAvailableOn10_51() // expected-error {{'globalFuncAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
@available(OSX, introduced: 10.51)
@available(iOS, introduced: 8.0)
func globalFuncAvailableOnOSX10_51AndiOS8_0() -> Int { return 10 }
if #available(OSX 10.51, iOS 8.0, *) {
let _: Int = globalFuncAvailableOnOSX10_51AndiOS8_0()
}
if #available(iOS 9.0, *) {
let _: Int = globalFuncAvailableOnOSX10_51AndiOS8_0() // expected-error {{'globalFuncAvailableOnOSX10_51AndiOS8_0()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
// Multiple unavailable references in a single statement
let ignored4: (Int, Int) = (globalFuncAvailableOn10_51(), globalFuncAvailableOn10_52()) // expected-error {{'globalFuncAvailableOn10_51()' is only available on OS X 10.51 or newer}} expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 2{{add 'if #available' version check}}
_ = globalFuncAvailableOn10_9()
let ignored5 = globalFuncAvailableOn10_51 // expected-error {{'globalFuncAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
_ = globalFuncAvailableOn10_51() // expected-error {{'globalFuncAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
// Overloaded global functions
@available(OSX, introduced: 10.9)
func overloadedFunction() {}
@available(OSX, introduced: 10.51)
func overloadedFunction(_ on1010: Int) {}
overloadedFunction()
overloadedFunction(0) // expected-error {{'overloadedFunction' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
// Unavailable methods
class ClassWithUnavailableMethod {
// expected-note@-1 {{add @available attribute to enclosing class}}
@available(OSX, introduced: 10.9)
func methAvailableOn10_9() {}
@available(OSX, introduced: 10.51)
func methAvailableOn10_51() {}
@available(OSX, introduced: 10.51)
class func classMethAvailableOn10_51() {}
func someOtherMethod() {
// expected-note@-1 {{add @available attribute to enclosing instance method}}
methAvailableOn10_9()
methAvailableOn10_51() // expected-error {{'methAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
}
func callUnavailableMethods(_ o: ClassWithUnavailableMethod) {
// expected-note@-1 2{{add @available attribute to enclosing global function}}
let m10_9 = o.methAvailableOn10_9
m10_9()
let m10_51 = o.methAvailableOn10_51 // expected-error {{'methAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
m10_51()
o.methAvailableOn10_9()
o.methAvailableOn10_51() // expected-error {{'methAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
func callUnavailableMethodsViaIUO(_ o: ClassWithUnavailableMethod!) {
// expected-note@-1 2{{add @available attribute to enclosing global function}}
let m10_9 = o.methAvailableOn10_9
m10_9()
let m10_51 = o.methAvailableOn10_51 // expected-error {{'methAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add 'if #available' version check}}
m10_51()
o.methAvailableOn10_9()
o.methAvailableOn10_51() // expected-error {{'methAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
func callUnavailableClassMethod() {
// expected-note@-1 2{{add @available attribute to enclosing global function}}
ClassWithUnavailableMethod.classMethAvailableOn10_51() // expected-error {{'classMethAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let m10_51 = ClassWithUnavailableMethod.classMethAvailableOn10_51 // expected-error {{'classMethAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
m10_51()
}
class SubClassWithUnavailableMethod : ClassWithUnavailableMethod {
// expected-note@-1 {{add @available attribute to enclosing class}}
func someMethod() {
// expected-note@-1 {{add @available attribute to enclosing instance method}}
methAvailableOn10_9()
methAvailableOn10_51() // expected-error {{'methAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
}
class SubClassOverridingUnavailableMethod : ClassWithUnavailableMethod {
// expected-note@-1 2{{add @available attribute to enclosing class}}
override func methAvailableOn10_51() {
// expected-note@-1 2{{add @available attribute to enclosing instance method}}
methAvailableOn10_9()
super.methAvailableOn10_51() // expected-error {{'methAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let m10_9 = super.methAvailableOn10_9
m10_9()
let m10_51 = super.methAvailableOn10_51 // expected-error {{'methAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
m10_51()
}
func someMethod() {
methAvailableOn10_9()
// Calling our override should be fine
methAvailableOn10_51()
}
}
class ClassWithUnavailableOverloadedMethod {
@available(OSX, introduced: 10.9)
func overloadedMethod() {}
@available(OSX, introduced: 10.51)
func overloadedMethod(_ on1010: Int) {}
}
func callUnavailableOverloadedMethod(_ o: ClassWithUnavailableOverloadedMethod) {
// expected-note@-1 {{add @available attribute to enclosing global function}}
o.overloadedMethod()
o.overloadedMethod(0) // expected-error {{'overloadedMethod' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
// Initializers
class ClassWithUnavailableInitializer {
// expected-note@-1 {{add @available attribute to enclosing class}}
@available(OSX, introduced: 10.9)
required init() { }
@available(OSX, introduced: 10.51)
required init(_ val: Int) { }
convenience init(s: String) {
// expected-note@-1 {{add @available attribute to enclosing initializer}}
self.init(5) // expected-error {{'init(_:)' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
@available(OSX, introduced: 10.51)
convenience init(onlyOn1010: String) {
self.init(5)
}
}
func callUnavailableInitializer() {
// expected-note@-1 2{{add @available attribute to enclosing global function}}
_ = ClassWithUnavailableInitializer()
_ = ClassWithUnavailableInitializer(5) // expected-error {{'init(_:)' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let i = ClassWithUnavailableInitializer.self
_ = i.init()
_ = i.init(5) // expected-error {{'init(_:)' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
class SuperWithWithUnavailableInitializer {
@available(OSX, introduced: 10.9)
init() { }
@available(OSX, introduced: 10.51)
init(_ val: Int) { }
}
class SubOfClassWithUnavailableInitializer : SuperWithWithUnavailableInitializer {
// expected-note@-1 {{add @available attribute to enclosing class}}
override init(_ val: Int) {
// expected-note@-1 {{add @available attribute to enclosing initializer}}
super.init(5) // expected-error {{'init(_:)' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
override init() {
super.init()
}
@available(OSX, introduced: 10.51)
init(on1010: Int) {
super.init(22)
}
}
// Properties
class ClassWithUnavailableProperties {
// expected-note@-1 4{{add @available attribute to enclosing class}}
@available(OSX, introduced: 10.9) // expected-error {{stored properties cannot be marked potentially unavailable with '@available'}}
var nonLazyAvailableOn10_9Stored: Int = 9
@available(OSX, introduced: 10.51) // expected-error {{stored properties cannot be marked potentially unavailable with '@available'}}
var nonLazyAvailableOn10_51Stored : Int = 10
@available(OSX, introduced: 10.51) // expected-error {{stored properties cannot be marked potentially unavailable with '@available'}}
let nonLazyLetAvailableOn10_51Stored : Int = 10
// Make sure that we don't emit a Fix-It to mark a stored property as potentially unavailable.
// We don't support potentially unavailable stored properties yet.
var storedPropertyOfUnavailableType: ClassAvailableOn10_51? = nil // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
@available(OSX, introduced: 10.9)
lazy var availableOn10_9Stored: Int = 9
@available(OSX, introduced: 10.51)
lazy var availableOn10_51Stored : Int = 10
@available(OSX, introduced: 10.9)
var availableOn10_9Computed: Int {
get {
let _: Int = availableOn10_51Stored // expected-error {{'availableOn10_51Stored' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
if #available(OSX 10.51, *) {
let _: Int = availableOn10_51Stored
}
return availableOn10_9Stored
}
set(newVal) {
availableOn10_9Stored = newVal
}
}
@available(OSX, introduced: 10.51)
var availableOn10_51Computed: Int {
get {
return availableOn10_51Stored
}
set(newVal) {
availableOn10_51Stored = newVal
}
}
var propWithSetterOnlyAvailableOn10_51 : Int {
// expected-note@-1 {{add @available attribute to enclosing property}}
get {
_ = globalFuncAvailableOn10_51() // expected-error {{'globalFuncAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
return 0
}
@available(OSX, introduced: 10.51)
set(newVal) {
_ = globalFuncAvailableOn10_51()
}
}
var propWithGetterOnlyAvailableOn10_51 : Int {
// expected-note@-1 {{add @available attribute to enclosing property}}
@available(OSX, introduced: 10.51)
get {
_ = globalFuncAvailableOn10_51()
return 0
}
set(newVal) {
_ = globalFuncAvailableOn10_51() // expected-error {{'globalFuncAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
}
var propWithGetterAndSetterOnlyAvailableOn10_51 : Int {
@available(OSX, introduced: 10.51)
get {
return 0
}
@available(OSX, introduced: 10.51)
set(newVal) {
}
}
var propWithSetterOnlyAvailableOn10_51ForNestedMemberRef : ClassWithUnavailableProperties {
get {
return ClassWithUnavailableProperties()
}
@available(OSX, introduced: 10.51)
set(newVal) {
}
}
var propWithGetterOnlyAvailableOn10_51ForNestedMemberRef : ClassWithUnavailableProperties {
@available(OSX, introduced: 10.51)
get {
return ClassWithUnavailableProperties()
}
set(newVal) {
}
}
}
@available(OSX, introduced: 10.51)
class ClassWithReferencesInInitializers {
var propWithInitializer10_51: Int = globalFuncAvailableOn10_51()
var propWithInitializer10_52: Int = globalFuncAvailableOn10_52() // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
lazy var lazyPropWithInitializer10_51: Int = globalFuncAvailableOn10_51()
lazy var lazyPropWithInitializer10_52: Int = globalFuncAvailableOn10_52() // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add @available attribute to enclosing property}}
}
func accessUnavailableProperties(_ o: ClassWithUnavailableProperties) {
// expected-note@-1 17{{add @available attribute to enclosing global function}}
// Stored properties
let _: Int = o.availableOn10_9Stored
let _: Int = o.availableOn10_51Stored // expected-error {{'availableOn10_51Stored' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
o.availableOn10_9Stored = 9
o.availableOn10_51Stored = 10 // expected-error {{'availableOn10_51Stored' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
// Computed Properties
let _: Int = o.availableOn10_9Computed
let _: Int = o.availableOn10_51Computed // expected-error {{'availableOn10_51Computed' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
o.availableOn10_9Computed = 9
o.availableOn10_51Computed = 10 // expected-error {{'availableOn10_51Computed' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
// Getter allowed on 10.9 but setter is not
let _: Int = o.propWithSetterOnlyAvailableOn10_51
o.propWithSetterOnlyAvailableOn10_51 = 5 // expected-error {{setter for 'propWithSetterOnlyAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
if #available(OSX 10.51, *) {
// Setter is allowed on 10.51 and greater
o.propWithSetterOnlyAvailableOn10_51 = 5
}
// Setter allowed on 10.9 but getter is not
o.propWithGetterOnlyAvailableOn10_51 = 5
let _: Int = o.propWithGetterOnlyAvailableOn10_51 // expected-error {{getter for 'propWithGetterOnlyAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
if #available(OSX 10.51, *) {
// Getter is allowed on 10.51 and greater
let _: Int = o.propWithGetterOnlyAvailableOn10_51
}
// Tests for nested member refs
// Both getters are potentially unavailable.
let _: Int = o.propWithGetterOnlyAvailableOn10_51ForNestedMemberRef.propWithGetterOnlyAvailableOn10_51 // expected-error {{getter for 'propWithGetterOnlyAvailableOn10_51ForNestedMemberRef' is only available on OS X 10.51 or newer}} expected-error {{getter for 'propWithGetterOnlyAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 2{{add 'if #available' version check}}
// Nested getter is potentially unavailable, outer getter is available
let _: Int = o.propWithGetterOnlyAvailableOn10_51ForNestedMemberRef.propWithSetterOnlyAvailableOn10_51 // expected-error {{getter for 'propWithGetterOnlyAvailableOn10_51ForNestedMemberRef' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
// Nested getter is available, outer getter is potentially unavailable
let _:Int = o.propWithSetterOnlyAvailableOn10_51ForNestedMemberRef.propWithGetterOnlyAvailableOn10_51 // expected-error {{getter for 'propWithGetterOnlyAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
// Both getters are always available.
let _: Int = o.propWithSetterOnlyAvailableOn10_51ForNestedMemberRef.propWithSetterOnlyAvailableOn10_51
// Nesting in source of assignment
var v: Int
v = o.propWithGetterOnlyAvailableOn10_51 // expected-error {{getter for 'propWithGetterOnlyAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
v = (o.propWithGetterOnlyAvailableOn10_51) // expected-error {{getter for 'propWithGetterOnlyAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
// Inout requires access to both getter and setter
func takesInout(_ i : inout Int) { }
takesInout(&o.propWithGetterOnlyAvailableOn10_51) // expected-error {{cannot pass as inout because getter for 'propWithGetterOnlyAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
takesInout(&o.propWithSetterOnlyAvailableOn10_51) // expected-error {{cannot pass as inout because setter for 'propWithSetterOnlyAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
takesInout(&o.propWithGetterAndSetterOnlyAvailableOn10_51) // expected-error {{cannot pass as inout because getter for 'propWithGetterAndSetterOnlyAvailableOn10_51' is only available on OS X 10.51 or newer}} expected-error {{cannot pass as inout because setter for 'propWithGetterAndSetterOnlyAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 2{{add 'if #available' version check}}
takesInout(&o.availableOn10_9Computed)
takesInout(&o.propWithGetterOnlyAvailableOn10_51ForNestedMemberRef.availableOn10_9Computed) // expected-error {{getter for 'propWithGetterOnlyAvailableOn10_51ForNestedMemberRef' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
// _silgen_name
@_silgen_name("SomeName")
@available(OSX, introduced: 10.51)
func funcWith_silgen_nameAvailableOn10_51(_ p: ClassAvailableOn10_51?) -> ClassAvailableOn10_51
// Enums
@available(OSX, introduced: 10.51)
enum EnumIntroducedOn10_51 {
case Element
}
@available(OSX, introduced: 10.52)
enum EnumIntroducedOn10_52 {
case Element
}
@available(OSX, introduced: 10.51)
enum CompassPoint {
case North
case South
case East
@available(OSX, introduced: 10.52)
case West
case WithAvailableByEnumPayload(p : EnumIntroducedOn10_51)
@available(OSX, introduced: 10.52)
case WithAvailableByEnumElementPayload(p : EnumIntroducedOn10_52)
@available(OSX, introduced: 10.52)
case WithAvailableByEnumElementPayload1(p : EnumIntroducedOn10_52), WithAvailableByEnumElementPayload2(p : EnumIntroducedOn10_52)
case WithUnavailablePayload(p : EnumIntroducedOn10_52) // expected-error {{'EnumIntroducedOn10_52' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add @available attribute to enclosing case}}
case WithUnavailablePayload1(p : EnumIntroducedOn10_52), WithUnavailablePayload2(p : EnumIntroducedOn10_52) // expected-error 2{{'EnumIntroducedOn10_52' is only available on OS X 10.52 or newer}}
// expected-note@-1 2{{add @available attribute to enclosing case}}
}
@available(OSX, introduced: 10.52)
func functionTakingEnumIntroducedOn10_52(_ e: EnumIntroducedOn10_52) { }
func useEnums() {
// expected-note@-1 3{{add @available attribute to enclosing global function}}
let _: CompassPoint = .North // expected-error {{'CompassPoint' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
if #available(OSX 10.51, *) {
let _: CompassPoint = .North
let _: CompassPoint = .West // expected-error {{'West' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
if #available(OSX 10.52, *) {
let _: CompassPoint = .West
}
// Pattern matching on an enum element does not require it to be definitely available
if #available(OSX 10.51, *) {
let point: CompassPoint = .North
switch (point) {
case .North, .South, .East:
markUsed("NSE")
case .West: // We do not expect an error here
markUsed("W")
case .WithUnavailablePayload(_):
markUsed("WithUnavailablePayload")
case .WithUnavailablePayload1(_):
markUsed("WithUnavailablePayload1")
case .WithUnavailablePayload2(_):
markUsed("WithUnavailablePayload2")
case .WithAvailableByEnumPayload(_):
markUsed("WithAvailableByEnumPayload")
case .WithAvailableByEnumElementPayload1(_):
markUsed("WithAvailableByEnumElementPayload1")
case .WithAvailableByEnumElementPayload2(_):
markUsed("WithAvailableByEnumElementPayload2")
case .WithAvailableByEnumElementPayload(let p):
markUsed("WithAvailableByEnumElementPayload")
// For the moment, we do not incorporate enum element availability into
// TRC construction. Perhaps we should?
functionTakingEnumIntroducedOn10_52(p) // expected-error {{'functionTakingEnumIntroducedOn10_52' is only available on OS X 10.52 or newer}}
// expected-note@-2 {{add 'if #available' version check}}
}
}
}
// Classes
@available(OSX, introduced: 10.9)
class ClassAvailableOn10_9 {
func someMethod() {}
class func someClassMethod() {}
var someProp : Int = 22
}
@available(OSX, introduced: 10.51)
class ClassAvailableOn10_51 { // expected-note {{enclosing scope here}}
func someMethod() {}
class func someClassMethod() {
let _ = ClassAvailableOn10_51()
}
var someProp : Int = 22
@available(OSX, introduced: 10.9) // expected-error {{declaration cannot be more available than enclosing scope}}
func someMethodAvailableOn10_9() { }
@available(OSX, introduced: 10.52)
var propWithGetter: Int { // expected-note{{enclosing scope here}}
@available(OSX, introduced: 10.51) // expected-error {{declaration cannot be more available than enclosing scope}}
get { return 0 }
}
}
func classAvailability() {
// expected-note@-1 3{{add @available attribute to enclosing global function}}
ClassAvailableOn10_9.someClassMethod()
ClassAvailableOn10_51.someClassMethod() // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
_ = ClassAvailableOn10_9.self
_ = ClassAvailableOn10_51.self // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let o10_9 = ClassAvailableOn10_9()
let o10_51 = ClassAvailableOn10_51() // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
o10_9.someMethod()
o10_51.someMethod()
let _ = o10_9.someProp
let _ = o10_51.someProp
}
func castingUnavailableClass(_ o : AnyObject) {
// expected-note@-1 3{{add @available attribute to enclosing global function}}
let _ = o as! ClassAvailableOn10_51 // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let _ = o as? ClassAvailableOn10_51 // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let _ = o is ClassAvailableOn10_51 // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
protocol Creatable {
init()
}
@available(OSX, introduced: 10.51)
class ClassAvailableOn10_51_Creatable : Creatable {
required init() {}
}
func create<T : Creatable>() -> T {
return T()
}
class ClassWithGenericTypeParameter<T> { }
class ClassWithTwoGenericTypeParameter<T, S> { }
func classViaTypeParameter() {
// expected-note@-1 9{{add @available attribute to enclosing global function}}
let _ : ClassAvailableOn10_51_Creatable = // expected-error {{'ClassAvailableOn10_51_Creatable' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
create()
let _ = create() as
ClassAvailableOn10_51_Creatable // expected-error {{'ClassAvailableOn10_51_Creatable' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let _ = [ClassAvailableOn10_51]() // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let _: ClassWithGenericTypeParameter<ClassAvailableOn10_51> = ClassWithGenericTypeParameter() // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let _: ClassWithTwoGenericTypeParameter<ClassAvailableOn10_51, String> = ClassWithTwoGenericTypeParameter() // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let _: ClassWithTwoGenericTypeParameter<String, ClassAvailableOn10_51> = ClassWithTwoGenericTypeParameter() // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let _: ClassWithTwoGenericTypeParameter<ClassAvailableOn10_51, ClassAvailableOn10_51> = ClassWithTwoGenericTypeParameter() // expected-error 2{{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 2{{add 'if #available' version check}}
let _: ClassAvailableOn10_51? = nil // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
// Unavailable class used in declarations
class ClassWithDeclarationsOfUnavailableClasses {
// expected-note@-1 5{{add @available attribute to enclosing class}}
@available(OSX, introduced: 10.51)
init() {
unavailablePropertyOfUnavailableType = ClassAvailableOn10_51()
unavailablePropertyOfUnavailableType = ClassAvailableOn10_51()
}
var propertyOfUnavailableType: ClassAvailableOn10_51 // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
@available(OSX, introduced: 10.51)
lazy var unavailablePropertyOfUnavailableType: ClassAvailableOn10_51 = ClassAvailableOn10_51()
@available(OSX, introduced: 10.51)
lazy var unavailablePropertyOfOptionalUnavailableType: ClassAvailableOn10_51? = nil
@available(OSX, introduced: 10.51)
lazy var unavailablePropertyOfUnavailableTypeWithInitializer: ClassAvailableOn10_51 = ClassAvailableOn10_51()
@available(OSX, introduced: 10.51)
static var unavailableStaticPropertyOfUnavailableType: ClassAvailableOn10_51 = ClassAvailableOn10_51()
@available(OSX, introduced: 10.51)
static var unavailableStaticPropertyOfOptionalUnavailableType: ClassAvailableOn10_51?
func methodWithUnavailableParameterType(_ o : ClassAvailableOn10_51) { // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add @available attribute to enclosing instance method}}
}
@available(OSX, introduced: 10.51)
func unavailableMethodWithUnavailableParameterType(_ o : ClassAvailableOn10_51) {
}
func methodWithUnavailableReturnType() -> ClassAvailableOn10_51 { // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 2{{add @available attribute to enclosing instance method}}
return ClassAvailableOn10_51() // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
@available(OSX, introduced: 10.51)
func unavailableMethodWithUnavailableReturnType() -> ClassAvailableOn10_51 {
return ClassAvailableOn10_51()
}
func methodWithUnavailableLocalDeclaration() {
// expected-note@-1 {{add @available attribute to enclosing instance method}}
let _ : ClassAvailableOn10_51 = methodWithUnavailableReturnType() // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
@available(OSX, introduced: 10.51)
func unavailableMethodWithUnavailableLocalDeclaration() {
let _ : ClassAvailableOn10_51 = methodWithUnavailableReturnType()
}
}
func referToUnavailableStaticProperty() {
// expected-note@-1 {{add @available attribute to enclosing global function}}
let _ = ClassWithDeclarationsOfUnavailableClasses.unavailableStaticPropertyOfUnavailableType // expected-error {{'unavailableStaticPropertyOfUnavailableType' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
class ClassExtendingUnavailableClass : ClassAvailableOn10_51 { // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add @available attribute to enclosing class}}
}
@available(OSX, introduced: 10.51)
class UnavailableClassExtendingUnavailableClass : ClassAvailableOn10_51 {
}
// Method availability is contravariant
class SuperWithAlwaysAvailableMembers {
func shouldAlwaysBeAvailableMethod() { // expected-note {{overridden declaration is here}}
}
var shouldAlwaysBeAvailableProperty: Int { // expected-note {{overridden declaration is here}}
get { return 9 }
set(newVal) {}
}
var setterShouldAlwaysBeAvailableProperty: Int {
get { return 9 }
set(newVal) {} // expected-note {{overridden declaration is here}}
}
var getterShouldAlwaysBeAvailableProperty: Int {
get { return 9 } // expected-note {{overridden declaration is here}}
set(newVal) {}
}
}
class SubWithLimitedMemberAvailability : SuperWithAlwaysAvailableMembers {
@available(OSX, introduced: 10.51)
override func shouldAlwaysBeAvailableMethod() { // expected-error {{overriding 'shouldAlwaysBeAvailableMethod' must be as available as declaration it overrides}}
}
@available(OSX, introduced: 10.51)
override var shouldAlwaysBeAvailableProperty: Int { // expected-error {{overriding 'shouldAlwaysBeAvailableProperty' must be as available as declaration it overrides}}
get { return 10 }
set(newVal) {}
}
override var setterShouldAlwaysBeAvailableProperty: Int {
get { return 9 }
@available(OSX, introduced: 10.51)
set(newVal) {} // expected-error {{overriding setter for 'setterShouldAlwaysBeAvailableProperty' must be as available as declaration it overrides}}
// This is a terrible diagnostic. rdar://problem/20427938
}
override var getterShouldAlwaysBeAvailableProperty: Int {
@available(OSX, introduced: 10.51)
get { return 9 } // expected-error {{overriding getter for 'getterShouldAlwaysBeAvailableProperty' must be as available as declaration it overrides}}
set(newVal) {}
}
}
class SuperWithLimitedMemberAvailability {
@available(OSX, introduced: 10.51)
func someMethod() {
}
@available(OSX, introduced: 10.51)
var someProperty: Int {
get { return 10 }
set(newVal) {}
}
}
class SubWithLargerMemberAvailability : SuperWithLimitedMemberAvailability {
// expected-note@-1 2{{add @available attribute to enclosing class}}
@available(OSX, introduced: 10.9)
override func someMethod() {
super.someMethod() // expected-error {{'someMethod()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
if #available(OSX 10.51, *) {
super.someMethod()
}
}
@available(OSX, introduced: 10.9)
override var someProperty: Int {
get {
let _ = super.someProperty // expected-error {{'someProperty' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
if #available(OSX 10.51, *) {
let _ = super.someProperty
}
return 9
}
set(newVal) {}
}
}
// Inheritance and availability
@available(OSX, introduced: 10.51)
protocol ProtocolAvailableOn10_9 {
}
@available(OSX, introduced: 10.51)
protocol ProtocolAvailableOn10_51 {
}
@available(OSX, introduced: 10.9)
protocol ProtocolAvailableOn10_9InheritingFromProtocolAvailableOn10_51 : ProtocolAvailableOn10_51 {
}
@available(OSX, introduced: 10.51)
protocol ProtocolAvailableOn10_51InheritingFromProtocolAvailableOn10_9 : ProtocolAvailableOn10_9 {
}
@available(OSX, introduced: 10.9)
class SubclassAvailableOn10_9OfClassAvailableOn10_51 : ClassAvailableOn10_51 { // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
}
// We allow nominal types to conform to protocols that are less available than the types themselves.
@available(OSX, introduced: 10.9)
class ClassAvailableOn10_9AdoptingProtocolAvailableOn10_51 : ProtocolAvailableOn10_51 {
}
func castToUnavailableProtocol() {
// expected-note@-1 2{{add @available attribute to enclosing global function}}
let o: ClassAvailableOn10_9AdoptingProtocolAvailableOn10_51 = ClassAvailableOn10_9AdoptingProtocolAvailableOn10_51()
let _: ProtocolAvailableOn10_51 = o // expected-error {{'ProtocolAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let _ = o as ProtocolAvailableOn10_51 // expected-error {{'ProtocolAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
@available(OSX, introduced: 10.9)
class SubclassAvailableOn10_9OfClassAvailableOn10_51AlsoAdoptingProtocolAvailableOn10_51 : ClassAvailableOn10_51 { // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
}
class SomeGenericClass<T> { }
@available(OSX, introduced: 10.9)
class SubclassAvailableOn10_9OfSomeGenericClassOfProtocolAvailableOn10_51 : SomeGenericClass<ProtocolAvailableOn10_51> { // expected-error {{'ProtocolAvailableOn10_51' is only available on OS X 10.51 or newer}}
}
func GenericWhereClause<T>(_ t: T) where T: ProtocolAvailableOn10_51 { // expected-error * {{'ProtocolAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 * {{add @available attribute to enclosing global function}}
}
func GenericSignature<T : ProtocolAvailableOn10_51>(_ t: T) { // expected-error * {{'ProtocolAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 * {{add @available attribute to enclosing global function}}
}
// Extensions
extension ClassAvailableOn10_51 { } // expected-error {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add @available attribute to enclosing extension}}
@available(OSX, introduced: 10.51)
extension ClassAvailableOn10_51 {
func m() {
// expected-note@-1 {{add @available attribute to enclosing instance method}}
let _ = globalFuncAvailableOn10_51()
let _ = globalFuncAvailableOn10_52() // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
}
class ClassToExtend { }
@available(OSX, introduced: 10.51)
extension ClassToExtend {
func extensionMethod() { }
@available(OSX, introduced: 10.52)
func extensionMethod10_52() { }
class ExtensionClass { }
// We rely on not allowing nesting of extensions, so test to make sure
// this emits an error.
// CHECK:error: declaration is only valid at file scope
extension ClassToExtend { } // expected-error {{declaration is only valid at file scope}}
}
// We allow protocol extensions for protocols that are less available than the
// conforming class.
extension ClassToExtend : ProtocolAvailableOn10_51 {
}
@available(OSX, introduced: 10.51)
extension ClassToExtend { // expected-note {{enclosing scope here}}
@available(OSX, introduced: 10.9) // expected-error {{declaration cannot be more available than enclosing scope}}
func extensionMethod10_9() { }
}
func useUnavailableExtension() {
// expected-note@-1 3{{add @available attribute to enclosing global function}}
let o = ClassToExtend()
o.extensionMethod() // expected-error {{'extensionMethod()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let _ = ClassToExtend.ExtensionClass() // expected-error {{'ExtensionClass' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
o.extensionMethod10_52() // expected-error {{'extensionMethod10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
// Availability of synthesized designated initializers.
@available(OSX, introduced: 10.51)
class WidelyAvailableBase {
init() {}
@available(OSX, introduced: 10.52)
init(thing: ()) {}
}
@available(OSX, introduced: 10.53)
class EsotericSmallBatchHipsterThing : WidelyAvailableBase {}
@available(OSX, introduced: 10.53)
class NestedClassTest {
class InnerClass : WidelyAvailableBase {}
}
// Useless #available(...) checks
func functionWithDefaultAvailabilityAndUselessCheck(_ p: Bool) {
// Default availability reflects minimum deployment: 10.9 and up
if #available(OSX 10.9, *) { // no-warning
let _ = globalFuncAvailableOn10_9()
}
if #available(OSX 10.51, *) { // expected-note {{enclosing scope here}}
let _ = globalFuncAvailableOn10_51()
if #available(OSX 10.51, *) { // expected-warning {{unnecessary check for 'OSX'; enclosing scope ensures guard will always be true}}
let _ = globalFuncAvailableOn10_51()
}
}
if #available(OSX 10.9, *) { // expected-note {{enclosing scope here}}
} else {
// Make sure we generate a warning about an unnecessary check even if the else branch of if is dead.
if #available(OSX 10.51, *) { // expected-warning {{unnecessary check for 'OSX'; enclosing scope ensures guard will always be true}}
}
}
// This 'if' is strictly to limit the scope of the guard fallthrough
if p {
guard #available(OSX 10.9, *) else { // expected-note {{enclosing scope here}}
// Make sure we generate a warning about an unnecessary check even if the else branch of guard is dead.
if #available(OSX 10.51, *) { // expected-warning {{unnecessary check for 'OSX'; enclosing scope ensures guard will always be true}}
}
}
}
// We don't want * generate a warn about useless checks; the check may be required on
// another platform
if #available(iOS 8.0, *) {
}
if #available(OSX 10.51, *) {
// Similarly do not want '*' to generate a warning in a refined TRC.
if #available(iOS 8.0, *) {
}
}
}
@available(OSX, unavailable)
func explicitlyUnavailable() { } // expected-note 2{{'explicitlyUnavailable()' has been explicitly marked unavailable here}}
func functionWithUnavailableInDeadBranch() {
if #available(iOS 8.0, *) {
} else {
// This branch is dead on OSX, so we shouldn't a warning about use of potentially unavailable APIs in it.
_ = globalFuncAvailableOn10_51() // no-warning
@available(OSX 10.51, *)
func localFuncAvailableOn10_51() {
_ = globalFuncAvailableOn10_52() // no-warning
}
localFuncAvailableOn10_51() // no-warning
explicitlyUnavailable() // expected-error {{'explicitlyUnavailable()' is unavailable}}
}
guard #available(iOS 8.0, *) else {
_ = globalFuncAvailableOn10_51() // no-warning
explicitlyUnavailable() // expected-error {{'explicitlyUnavailable()' is unavailable}}
}
}
@available(OSX, introduced: 10.51)
func functionWithSpecifiedAvailabilityAndUselessCheck() { // expected-note 2{{enclosing scope here}}
if #available(OSX 10.9, *) { // expected-warning {{unnecessary check for 'OSX'; enclosing scope ensures guard will always be true}}
let _ = globalFuncAvailableOn10_9()
}
if #available(OSX 10.51, *) { // expected-warning {{unnecessary check for 'OSX'; enclosing scope ensures guard will always be true}}
let _ = globalFuncAvailableOn10_51()
}
}
// #available(...) outside if statement guards
func injectToOptional<T>(_ v: T) -> T? {
return v
}
if let _ = injectToOptional(5), #available(OSX 10.52, *) {} // ok
// Refining context inside guard
if #available(OSX 10.51, *),
let _ = injectToOptional(globalFuncAvailableOn10_51()),
let _ = injectToOptional(globalFuncAvailableOn10_52()) { // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let _ = globalFuncAvailableOn10_51()
let _ = globalFuncAvailableOn10_52() // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
if let _ = injectToOptional(5), #available(OSX 10.51, *),
let _ = injectToOptional(globalFuncAvailableOn10_51()),
let _ = injectToOptional(globalFuncAvailableOn10_52()) { // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let _ = globalFuncAvailableOn10_51()
let _ = globalFuncAvailableOn10_52() // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
if let _ = injectToOptional(globalFuncAvailableOn10_51()), #available(OSX 10.51, *), // expected-error {{'globalFuncAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
let _ = injectToOptional(globalFuncAvailableOn10_52()) { // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
if let _ = injectToOptional(5), #available(OSX 10.51, *), // expected-note {{enclosing scope here}}
let _ = injectToOptional(6), #available(OSX 10.51, *) { // expected-warning {{unnecessary check for 'OSX'; enclosing scope ensures guard will always be true}}
}
// Tests for the guard control construct.
func useGuardAvailable() {
// expected-note@-1 3{{add @available attribute to enclosing global function}}
// Guard fallthrough should refine context
guard #available(OSX 10.51, *) else { // expected-note {{enclosing scope here}}
let _ = globalFuncAvailableOn10_51() // expected-error {{'globalFuncAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
return
}
let _ = globalFuncAvailableOn10_51()
let _ = globalFuncAvailableOn10_52() // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
if #available(OSX 10.51, *) { // expected-warning {{unnecessary check for 'OSX'; enclosing scope ensures guard will always be true}}
}
if globalFuncAvailableOn10_51() > 0 {
guard #available(OSX 10.52, *),
let x = injectToOptional(globalFuncAvailableOn10_52()) else { return }
_ = x
}
let _ = globalFuncAvailableOn10_52() // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
func twoGuardsInSameBlock(_ p: Int) {
// expected-note@-1 {{add @available attribute to enclosing global function}}
if (p > 0) {
guard #available(OSX 10.51, *) else { return }
let _ = globalFuncAvailableOn10_51()
guard #available(OSX 10.52, *) else { return }
let _ = globalFuncAvailableOn10_52()
}
let _ = globalFuncAvailableOn10_51() // expected-error {{'globalFuncAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
// Refining while loops
while globalFuncAvailableOn10_51() > 10 { } // expected-error {{'globalFuncAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
while #available(OSX 10.51, *), // expected-note {{enclosing scope here}}
globalFuncAvailableOn10_51() > 10 {
let _ = globalFuncAvailableOn10_51()
let _ = globalFuncAvailableOn10_52() // expected-error {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
while globalFuncAvailableOn10_51() > 11,
let _ = injectToOptional(5),
#available(OSX 10.52, *) {
let _ = globalFuncAvailableOn10_52();
}
while #available(OSX 10.51, *) { // expected-warning {{unnecessary check for 'OSX'; enclosing scope ensures guard will always be true}}
}
}
// Tests for Fix-It replacement text
// The whitespace in the replacement text is particularly important here -- it reflects the level
// of indentation for the added if #available() or @available attribute. Note that, for the moment, we hard
// code *added* indentation in Fix-Its as 4 spaces (that is, when indenting in a Fix-It, we
// take whatever indentation was there before and add 4 spaces to it).
functionAvailableOn10_51()
// expected-error@-1 {{'functionAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add 'if #available' version check}} {{1-27=if #available(OSX 10.51, *) {\n functionAvailableOn10_51()\n} else {\n // Fallback on earlier versions\n}}}
let declForFixitAtTopLevel: ClassAvailableOn10_51? = nil
// expected-error@-1 {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add 'if #available' version check}} {{1-57=if #available(OSX 10.51, *) {\n let declForFixitAtTopLevel: ClassAvailableOn10_51? = nil\n} else {\n // Fallback on earlier versions\n}}}
func fixitForReferenceInGlobalFunction() {
// expected-note@-1 {{add @available attribute to enclosing global function}} {{1-1=@available(OSX 10.51, *)\n}}
functionAvailableOn10_51()
// expected-error@-1 {{'functionAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add 'if #available' version check}} {{3-29=if #available(OSX 10.51, *) {\n functionAvailableOn10_51()\n } else {\n // Fallback on earlier versions\n }}}
}
public func fixitForReferenceInGlobalFunctionWithDeclModifier() {
// expected-note@-1 {{add @available attribute to enclosing global function}} {{1-1=@available(OSX 10.51, *)\n}}
functionAvailableOn10_51()
// expected-error@-1 {{'functionAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add 'if #available' version check}} {{3-29=if #available(OSX 10.51, *) {\n functionAvailableOn10_51()\n } else {\n // Fallback on earlier versions\n }}}
}
func fixitForReferenceInGlobalFunctionWithAttribute() -> Never {
// expected-note@-1 {{add @available attribute to enclosing global function}} {{1-1=@available(OSX 10.51, *)\n}}
functionAvailableOn10_51()
// expected-error@-1 {{'functionAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add 'if #available' version check}} {{3-29=if #available(OSX 10.51, *) {\n functionAvailableOn10_51()\n } else {\n // Fallback on earlier versions\n }}}
}
func takesAutoclosure(_ c : @autoclosure () -> ()) {
}
class ClassForFixit {
// expected-note@-1 12{{add @available attribute to enclosing class}} {{1-1=@available(OSX 10.51, *)\n}}
func fixitForReferenceInMethod() {
// expected-note@-1 {{add @available attribute to enclosing instance method}} {{3-3=@available(OSX 10.51, *)\n }}
functionAvailableOn10_51()
// expected-error@-1 {{'functionAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add 'if #available' version check}} {{5-31=if #available(OSX 10.51, *) {\n functionAvailableOn10_51()\n } else {\n // Fallback on earlier versions\n }}}
}
func fixitForReferenceNestedInMethod() {
// expected-note@-1 3{{add @available attribute to enclosing instance method}} {{3-3=@available(OSX 10.51, *)\n }}
func inner() {
functionAvailableOn10_51()
// expected-error@-1 {{'functionAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add 'if #available' version check}} {{7-33=if #available(OSX 10.51, *) {\n functionAvailableOn10_51()\n } else {\n // Fallback on earlier versions\n }}}
}
let _: () -> () = { () in
functionAvailableOn10_51()
// expected-error@-1 {{'functionAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add 'if #available' version check}} {{7-33=if #available(OSX 10.51, *) {\n functionAvailableOn10_51()\n } else {\n // Fallback on earlier versions\n }}}
}
takesAutoclosure(functionAvailableOn10_51())
// expected-error@-1 {{'functionAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add 'if #available' version check}} {{5-49=if #available(OSX 10.51, *) {\n takesAutoclosure(functionAvailableOn10_51())\n } else {\n // Fallback on earlier versions\n }}}
}
var fixitForReferenceInPropertyAccessor: Int {
// expected-note@-1 {{add @available attribute to enclosing property}} {{3-3=@available(OSX 10.51, *)\n }}
get {
functionAvailableOn10_51()
// expected-error@-1 {{'functionAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add 'if #available' version check}} {{7-33=if #available(OSX 10.51, *) {\n functionAvailableOn10_51()\n } else {\n // Fallback on earlier versions\n }}}
return 5
}
}
var fixitForReferenceInPropertyType: ClassAvailableOn10_51? = nil
// expected-error@-1 {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
lazy var fixitForReferenceInLazyPropertyType: ClassAvailableOn10_51? = nil
// expected-error@-1 {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add @available attribute to enclosing property}} {{3-3=@available(OSX 10.51, *)\n }}
private lazy var fixitForReferenceInPrivateLazyPropertyType: ClassAvailableOn10_51? = nil
// expected-error@-1 {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add @available attribute to enclosing property}} {{3-3=@available(OSX 10.51, *)\n }}
lazy private var fixitForReferenceInLazyPrivatePropertyType: ClassAvailableOn10_51? = nil
// expected-error@-1 {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add @available attribute to enclosing property}} {{3-3=@available(OSX 10.51, *)\n }}
static var fixitForReferenceInStaticPropertyType: ClassAvailableOn10_51? = nil
// expected-error@-1 {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add @available attribute to enclosing static property}} {{3-3=@available(OSX 10.51, *)\n }}
var fixitForReferenceInPropertyTypeMultiple: ClassAvailableOn10_51? = nil, other: Int = 7
// expected-error@-1 {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
func fixitForRefInGuardOfIf() {
// expected-note@-1 {{add @available attribute to enclosing instance method}} {{3-3=@available(OSX 10.51, *)\n }}
if (globalFuncAvailableOn10_51() > 1066) {
let _ = 5
let _ = 6
}
// expected-error@-4 {{'globalFuncAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-5 {{add 'if #available' version check}} {{5-6=if #available(OSX 10.51, *) {\n if (globalFuncAvailableOn10_51() > 1066) {\n let _ = 5\n let _ = 6\n }\n } else {\n // Fallback on earlier versions\n }}}
}
}
extension ClassToExtend {
// expected-note@-1 {{add @available attribute to enclosing extension}}
func fixitForReferenceInExtensionMethod() {
// expected-note@-1 {{add @available attribute to enclosing instance method}} {{3-3=@available(OSX 10.51, *)\n }}
functionAvailableOn10_51()
// expected-error@-1 {{'functionAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add 'if #available' version check}} {{5-31=if #available(OSX 10.51, *) {\n functionAvailableOn10_51()\n } else {\n // Fallback on earlier versions\n }}}
}
}
enum EnumForFixit {
// expected-note@-1 2{{add @available attribute to enclosing enum}} {{1-1=@available(OSX 10.51, *)\n}}
case CaseWithUnavailablePayload(p: ClassAvailableOn10_51)
// expected-error@-1 {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add @available attribute to enclosing case}} {{3-3=@available(OSX 10.51, *)\n }}
case CaseWithUnavailablePayload2(p: ClassAvailableOn10_51), WithoutPayload
// expected-error@-1 {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-2 {{add @available attribute to enclosing case}} {{3-3=@available(OSX 10.51, *)\n }}
}
@objc
class Y {
var z = 0
}
@objc
class X {
@objc var y = Y()
}
func testForFixitWithNestedMemberRefExpr() {
// expected-note@-1 2{{add @available attribute to enclosing global function}} {{1-1=@available(OSX 10.52, *)\n}}
let x = X()
x.y.z = globalFuncAvailableOn10_52()
// expected-error@-1 {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-2 {{add 'if #available' version check}} {{3-39=if #available(OSX 10.52, *) {\n x.y.z = globalFuncAvailableOn10_52()\n } else {\n // Fallback on earlier versions\n }}}
// Access via dynamic member reference
let anyX: AnyObject = x
anyX.y?.z = globalFuncAvailableOn10_52()
// expected-error@-1 {{'globalFuncAvailableOn10_52()' is only available on OS X 10.52 or newer}}
// expected-note@-2 {{add 'if #available' version check}} {{3-43=if #available(OSX 10.52, *) {\n anyX.y?.z = globalFuncAvailableOn10_52()\n } else {\n // Fallback on earlier versions\n }}}
}
// Protocol Conformances
protocol ProtocolWithRequirementMentioningUnavailable {
// expected-note@-1 2{{add @available attribute to enclosing protocol}}
func hasUnavailableParameter(_ p: ClassAvailableOn10_51) // expected-error * {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 * {{add @available attribute to enclosing instance method}}
func hasUnavailableReturn() -> ClassAvailableOn10_51 // expected-error * {{'ClassAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 * {{add @available attribute to enclosing instance method}}
@available(OSX 10.51, *)
func hasUnavailableWithAnnotation(_ p: ClassAvailableOn10_51) -> ClassAvailableOn10_51
}
protocol HasMethodF {
associatedtype T
func f(_ p: T) // expected-note 5{{protocol requirement here}}
}
class TriesToConformWithFunctionIntroducedOn10_51 : HasMethodF {
@available(OSX, introduced: 10.51)
func f(_ p: Int) { } // expected-error {{protocol 'HasMethodF' requires 'f' to be available on OS X 10.50.0 and newer}}
}
class ConformsWithFunctionIntroducedOnMinimumDeploymentTarget : HasMethodF {
// Even though this function is less available than its requirement,
// it is available on a deployment targets, so the conformance is safe.
@available(OSX, introduced: 10.9)
func f(_ p: Int) { }
}
class SuperHasMethodF {
@available(OSX, introduced: 10.51)
func f(_ p: Int) { } // expected-note {{'f' declared here}}
}
class TriesToConformWithUnavailableFunctionInSuperClass : SuperHasMethodF, HasMethodF { // expected-error {{protocol 'HasMethodF' requires 'f' to be available on OS X 10.50.0 and newer}}
// The conformance here is generating an error on f in the super class.
}
@available(OSX, introduced: 10.51)
class ConformsWithUnavailableFunctionInSuperClass : SuperHasMethodF, HasMethodF {
// Limiting this class to only be available on 10.51 and newer means that
// the witness in SuperHasMethodF is safe for the requirement on HasMethodF.
// in order for this class to be referenced we must be running on 10.51 or
// greater.
}
class ConformsByOverridingFunctionInSuperClass : SuperHasMethodF, HasMethodF {
// Now the witness is this f() (which is always available) and not the f()
// from the super class, so conformance is safe.
override func f(_ p: Int) { }
}
// Attempt to conform in protocol extension with unavailable witness
// in extension
class HasNoMethodF1 { }
extension HasNoMethodF1 : HasMethodF {
@available(OSX, introduced: 10.51)
func f(_ p: Int) { } // expected-error {{protocol 'HasMethodF' requires 'f' to be available on OS X 10.50.0 and newer}}
}
class HasNoMethodF2 { }
@available(OSX, introduced: 10.51)
extension HasNoMethodF2 : HasMethodF {
func f(_ p: Int) { } // expected-error {{protocol 'HasMethodF' requires 'f' to be available on OS X 10.50.0 and newer}}
}
@available(OSX, introduced: 10.51)
class HasNoMethodF3 { }
@available(OSX, introduced: 10.51)
extension HasNoMethodF3 : HasMethodF {
// We expect this conformance to succeed because on every version where HasNoMethodF3
// is available, HasNoMethodF3's f() is as available as the protocol requirement
func f(_ p: Int) { }
}
@available(OSX, introduced: 10.51)
protocol HasMethodFOn10_51 {
func f(_ p: Int) // expected-note {{protocol requirement here}}
}
class ConformsToUnavailableProtocolWithUnavailableWitness : HasMethodFOn10_51 {
@available(OSX, introduced: 10.51)
func f(_ p: Int) { }
}
@available(OSX, introduced: 10.51)
class HasNoMethodF4 { }
@available(OSX, introduced: 10.52)
extension HasNoMethodF4 : HasMethodFOn10_51 {
func f(_ p: Int) { } // expected-error {{protocol 'HasMethodFOn10_51' requires 'f' to be available on OS X 10.51 and newer}}
}
@available(OSX, introduced: 10.51)
protocol HasTakesClassAvailableOn10_51 {
func takesClassAvailableOn10_51(_ o: ClassAvailableOn10_51) // expected-note 2{{protocol requirement here}}
}
class AttemptsToConformToHasTakesClassAvailableOn10_51 : HasTakesClassAvailableOn10_51 {
@available(OSX, introduced: 10.52)
func takesClassAvailableOn10_51(_ o: ClassAvailableOn10_51) { // expected-error {{protocol 'HasTakesClassAvailableOn10_51' requires 'takesClassAvailableOn10_51' to be available on OS X 10.51 and newer}}
}
}
class ConformsToHasTakesClassAvailableOn10_51 : HasTakesClassAvailableOn10_51 {
@available(OSX, introduced: 10.51)
func takesClassAvailableOn10_51(_ o: ClassAvailableOn10_51) {
}
}
class TakesClassAvailableOn10_51_A { }
extension TakesClassAvailableOn10_51_A : HasTakesClassAvailableOn10_51 {
@available(OSX, introduced: 10.52)
func takesClassAvailableOn10_51(_ o: ClassAvailableOn10_51) { // expected-error {{protocol 'HasTakesClassAvailableOn10_51' requires 'takesClassAvailableOn10_51' to be available on OS X 10.51 and newer}}
}
}
class TakesClassAvailableOn10_51_B { }
extension TakesClassAvailableOn10_51_B : HasTakesClassAvailableOn10_51 {
@available(OSX, introduced: 10.51)
func takesClassAvailableOn10_51(_ o: ClassAvailableOn10_51) {
}
}
// We do not want potential unavailability to play a role in picking a witness for a
// protocol requirement. Rather, the witness should be chosen, regardless of its
// potential unavailability, and then it should be diagnosed if it is less available
// than the protocol requires.
class TestAvailabilityDoesNotAffectWitnessCandidacy : HasMethodF {
// Test that we choose the more specialized witness even though it is
// less available than the protocol requires and there is a less specialized
// witness that has suitable availability.
@available(OSX, introduced: 10.51)
func f(_ p: Int) { } // expected-error {{protocol 'HasMethodF' requires 'f' to be available on OS X 10.50.0 and newer}}
func f<T>(_ p: T) { }
}
protocol HasUnavailableMethodF {
@available(OSX, introduced: 10.51)
func f(_ p: String)
}
class ConformsWithUnavailableFunction : HasUnavailableMethodF {
@available(OSX, introduced: 10.9)
func f(_ p: String) { }
}
func useUnavailableProtocolMethod(_ h: HasUnavailableMethodF) {
// expected-note@-1 {{add @available attribute to enclosing global function}}
h.f("Foo") // expected-error {{'f' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
func useUnavailableProtocolMethod<H : HasUnavailableMethodF> (_ h: H) {
// expected-note@-1 {{add @available attribute to enclosing global function}}
h.f("Foo") // expected-error {{'f' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
// Short-form @available() annotations
@available(OSX 10.51, *)
class ClassWithShortFormAvailableOn10_51 {
}
@available(OSX 10.53, *)
class ClassWithShortFormAvailableOn10_53 {
}
@available(OSX 10.54, *)
class ClassWithShortFormAvailableOn10_54 {
}
@available(OSX 10.9, *)
func funcWithShortFormAvailableOn10_9() {
let _ = ClassWithShortFormAvailableOn10_51() // expected-error {{'ClassWithShortFormAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
@available(OSX 10.51, *)
func funcWithShortFormAvailableOn10_51() {
let _ = ClassWithShortFormAvailableOn10_51()
}
@available(iOS 14.0, *)
func funcWithShortFormAvailableOniOS14() {
// expected-note@-1 {{add @available attribute to enclosing global function}}
let _ = ClassWithShortFormAvailableOn10_51() // expected-error {{'ClassWithShortFormAvailableOn10_51' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
@available(iOS 14.0, OSX 10.53, *)
func funcWithShortFormAvailableOniOS14AndOSX10_53() {
let _ = ClassWithShortFormAvailableOn10_51()
}
// Not idiomatic but we need to be able to handle it.
@available(iOS 8.0, *)
@available(OSX 10.51, *)
func funcWithMultipleShortFormAnnotationsForDifferentPlatforms() {
let _ = ClassWithShortFormAvailableOn10_51()
}
@available(OSX 10.51, *)
@available(OSX 10.53, *)
@available(OSX 10.52, *)
func funcWithMultipleShortFormAnnotationsForTheSamePlatform() {
let _ = ClassWithShortFormAvailableOn10_53()
let _ = ClassWithShortFormAvailableOn10_54() // expected-error {{'ClassWithShortFormAvailableOn10_54' is only available on OS X 10.54 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
}
@available(OSX 10.9, *)
@available(OSX, unavailable)
func unavailableWins() { } // expected-note {{'unavailableWins()' has been explicitly marked unavailable here}}
func useShortFormAvailable() {
// expected-note@-1 4{{add @available attribute to enclosing global function}}
funcWithShortFormAvailableOn10_9()
funcWithShortFormAvailableOn10_51() // expected-error {{'funcWithShortFormAvailableOn10_51()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
funcWithShortFormAvailableOniOS14()
funcWithShortFormAvailableOniOS14AndOSX10_53() // expected-error {{'funcWithShortFormAvailableOniOS14AndOSX10_53()' is only available on OS X 10.53 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
funcWithMultipleShortFormAnnotationsForDifferentPlatforms() // expected-error {{'funcWithMultipleShortFormAnnotationsForDifferentPlatforms()' is only available on OS X 10.51 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
funcWithMultipleShortFormAnnotationsForTheSamePlatform() // expected-error {{'funcWithMultipleShortFormAnnotationsForTheSamePlatform()' is only available on OS X 10.53 or newer}}
// expected-note@-1 {{add 'if #available' version check}}
unavailableWins() // expected-error {{'unavailableWins()' is unavailable}}
}