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130 lines
3.7 KiB
Swift
130 lines
3.7 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -typecheck -swift-version 5 -module-name FeatureTest -emit-module-interface-path - -enable-library-evolution -enable-experimental-concurrency %s | %FileCheck %s
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// REQUIRES: concurrency
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// REQUIRES: concurrency
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// Ensure that when we emit a Swift interface that makes use of new features,
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// the uses of those features are guarded by appropriate #if's that allow older
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// compilers to skip over the uses of newer features.
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// CHECK: #if compiler(>=5.3) && $Actors
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// CHECK-NEXT: actor {{.*}} MyActor
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// CHECK: }
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// CHECK-NEXT: #endif
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public actor class MyActor {
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}
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// CHECK: #if compiler(>=5.3) && $Actors
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// CHECK-NEXT: extension MyActor
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public extension MyActor {
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// CHECK-NOT: $Actors
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// CHECK: testFunc
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func testFunc() async { }
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// CHECK: }
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// CHECK-NEXT: #endif
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}
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// CHECK: #if compiler(>=5.3) && $AsyncAwait
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// CHECK-NEXT: globalAsync
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// CHECK-NEXT: #endif
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public func globalAsync() async { }
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// CHECK: #if compiler(>=5.3) && $MarkerProtocol
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// CHECK-NEXT: public protocol MP {
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// CHECK-NEXT: }
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// CHECK-NEXT: #else
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// CHECK-NEXT: public typealias MP = Any
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// CHECK-NEXT: #endif
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@_marker public protocol MP { }
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// CHECK: #if compiler(>=5.3) && $MarkerProtocol
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// CHECK-NEXT: @_marker public protocol MP2 : FeatureTest.MP {
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// CHECK-NEXT: }
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// CHECK-NEXT: #else
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// CHECK-NEXT: public typealias MP2 = Any
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// CHECK-NEXT: #endif
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@_marker public protocol MP2: MP { }
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// CHECK-NOT: #if compiler(>=5.3) && $MarkerProtocol
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// CHECK: public protocol MP3 : FeatureTest.MP {
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// CHECK-NEXT: }
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public protocol MP3: MP { }
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// CHECK: #if compiler(>=5.3) && $MarkerProtocol
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// CHECK-NEXT: extension MP2 {
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// CHECK-NEXT: func inMP2
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extension MP2 {
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public func inMP2() { }
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}
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// CHECK: class OldSchool {
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public class OldSchool: MP {
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// CHECK: #if compiler(>=5.3) && $AsyncAwait
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// CHECK-NEXT: takeClass()
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// CHECK-NEXT: #endif
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public func takeClass() async { }
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}
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// CHECK: #if compiler(>=5.3) && $RethrowsProtocol
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// CHECK-NEXT: @rethrows public protocol RP
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@rethrows public protocol RP {
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func f() throws
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}
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// CHECK: public struct UsesRP {
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public struct UsesRP {
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// CHECK: #if compiler(>=5.3) && $RethrowsProtocol
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// CHECK-NEXT: public var value: FeatureTest.RP? {
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// CHECK-NOT: #if compiler(>=5.3) && $RethrowsProtocol
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// CHECK: get
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public var value: RP? {
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nil
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}
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}
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// CHECK: #if compiler(>=5.3) && $RethrowsProtocol
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// CHECK-NEXT: public func acceptsRP
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public func acceptsRP<T: RP>(_: T) { }
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// CHECK-NOT: #if compiler(>=5.3) && $MarkerProtocol
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// CHECK: extension Array : FeatureTest.MP where Element : FeatureTest.MP {
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extension Array: FeatureTest.MP where Element : FeatureTest.MP { }
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// CHECK-NEXT: }
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// CHECK-NOT: #if compiler(>=5.3) && $MarkerProtocol
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// CHECK: extension OldSchool : Swift.UnsafeConcurrentValue {
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extension OldSchool: UnsafeConcurrentValue { }
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// CHECK-NEXT: }
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// CHECK: #if compiler(>=5.3) && $GlobalActors
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// CHECK-NEXT: @globalActor public struct SomeGlobalActor
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@globalActor
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public struct SomeGlobalActor {
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public static let shared = MyActor()
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}
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// CHECK: #if compiler(>=5.3) && $AsyncAwait
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// CHECK-NEXT: func runSomethingSomewhere
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// CHECK-NEXT: #endif
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public func runSomethingSomewhere(body: () async -> Void) { }
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// CHECK: #if compiler(>=5.3) && $ConcurrentFunctions
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// CHECK-NEXT: func runSomethingConcurrently(body: @concurrent () ->
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// CHECK-NEXT: #endif
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public func runSomethingConcurrently(body: @concurrent () -> Void) { }
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// CHECK: #if compiler(>=5.3) && $Actors
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// CHECK-NEXT: func stage
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// CHECK-NEXT: #endif
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public func stage(with actor: MyActor) { }
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// CHECK-NOT: extension MyActor : Swift.ConcurrentValue
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// CHECK: #if compiler(>=5.3) && $MarkerProtocol
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// CHECK-NEXT: extension OldSchool : FeatureTest.MP {
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// CHECK-NEXT: #endif
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