Files
swift-mirror/test/Concurrency/sendable_preconcurrency.swift
Michael Gottesman 99e3f7fb13 [region-isolation] Make RegionBasedIsolation an upcoming feature for swift 6.
To make the tests pass, I had to teach sil-opt how to setup upcoming features
since it did not know how to parse them.

rdar://124100266
2024-03-05 15:15:14 -08:00

64 lines
2.8 KiB
Swift

// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -emit-module -emit-module-path %t/StrictModule.swiftmodule -module-name StrictModule -swift-version 6 %S/Inputs/StrictModule.swift
// RUN: %target-swift-frontend -emit-module -emit-module-path %t/NonStrictModule.swiftmodule -module-name NonStrictModule %S/Inputs/NonStrictModule.swift
// RUN: %target-swift-frontend -strict-concurrency=targeted -disable-availability-checking -I %t %s -o /dev/null -verify -emit-sil
// RUN: %target-swift-frontend -disable-availability-checking -I %t %s -o /dev/null -verify -emit-sil -strict-concurrency=complete
// RUN: %target-swift-frontend -disable-availability-checking -I %t %s -o /dev/null -verify -emit-sil -strict-concurrency=complete -enable-upcoming-feature RegionBasedIsolation
// REQUIRES: concurrency
import StrictModule // no remark: we never recommend @preconcurrency due to an explicitly non-Sendable (via -strict-concurrency=complete) type
@preconcurrency import NonStrictModule
actor A {
func f() -> [StrictStruct: NonStrictClass] { [:] }
}
class NS { } // expected-note 2{{class 'NS' does not conform to the 'Sendable' protocol}}
struct MyType {
var nsc: NonStrictClass
}
struct MyType2: Sendable {
var nsc: NonStrictClass // no warning; @preconcurrency suppressed it
var ns: NS // expected-warning{{stored property 'ns' of 'Sendable'-conforming struct 'MyType2' has non-sendable type 'NS'}}
}
struct MyType3 {
var nsc: NonStrictClass
}
func testA(ns: NS, mt: MyType, mt2: MyType2, mt3: MyType3, sc: StrictClass, nsc: NonStrictClass) async {
Task {
print(ns) // expected-warning{{capture of 'ns' with non-sendable type 'NS' in a `@Sendable` closure}}
print(mt) // no warning: MyType is Sendable because we suppressed NonStrictClass's warning
print(mt2)
print(mt3)
print(sc) // expected-warning {{capture of 'sc' with non-sendable type 'StrictClass' in a `@Sendable` closure}}
print(nsc)
}
}
extension NonStrictStruct: @retroactive @unchecked Swift.Sendable { }
class StrictSubclass: StrictClass {
override func send(_ body: () -> ()) {}
override func dontSend(_ body: @Sendable () -> ()) {} // expected-warning {{declaration 'dontSend' has a type with different sendability from any potential overrides}}
}
struct StrictConformer: StrictProtocol {
func send(_ body: () -> Void) {}
func dontSend(_ body: @Sendable () -> Void) {} // expected-warning {{sendability of function types in instance method 'dontSend' does not match requirement in protocol 'StrictProtocol'}}
}
class NonStrictSubclass: NonStrictClass {
override func send(_ body: () -> ()) {}
override func dontSend(_ body: @Sendable () -> ()) {} // no-warning
}
struct NonStrictConformer: NonStrictProtocol {
func send(_ body: () -> Void) {}
func dontSend(_ body: @Sendable () -> Void) {} // no-warning
}