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swift-mirror/test/Interpreter/preconcurrency_conformances.swift
Pavel Yaskevich 414295df96 [AST] @preconcurrency conformance applies to implied conformances as well 
A `@preconcurrency` conformance to an inherited protocol should imply
`@preconcurrency` on its parents as well. For example:

```swift
protocol Parent {
  func a()
}

protocol Child: Parent {
  func b()
}

@MainActor
class Test: @preconcurrency Child {
  func a() {
  }

  func b() {
  }
}
```

`Test` conformance to `Parent` implied by its conformance to `Child`
should carry `@preconcurrency` and inject dynamic actor isolation checks
to witness of `a()`.

Resolves: https://github.com/apple/swift/issues/74294
Resolves: rdar://129599097
2024-06-11 15:52:41 -07:00

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// RUN: %empty-directory(%t/src)
// RUN: split-file %s %t/src
// RUN: %target-build-swift %t/src/Interface.swift -swift-version 5 -emit-module -emit-library \
// RUN: -target %target-cpu-apple-macosx10.15 -swift-version 5 \
// RUN: -enable-library-evolution \
// RUN: -module-name Interface \
// RUN: -o %t/%target-library-name(Interface) \
// RUN: -emit-module-interface-path %t/Interface.swiftinterface
// RUN: %target-build-swift %t/src/Types.swift -swift-version 5 -emit-module -emit-library -enable-library-evolution -module-name Types -o %t/%target-library-name(Types) \
// RUN: -target %target-cpu-apple-macosx10.15 \
// RUN: -I %t -L %t -l Interface \
// RUN: -emit-module-interface-path %t/Types.swiftinterface \
// RUN: -Xfrontend -enable-upcoming-feature -Xfrontend DynamicActorIsolation
// RUN: %target-build-swift -Xfrontend -enable-upcoming-feature -Xfrontend DynamicActorIsolation -I %t -L %t -l Types %t/src/Crash1.swift -o %t/crash1.out
// RUN: %target-codesign %t/crash1.out
// RUN: not --crash env SWIFT_IS_CURRENT_EXECUTOR_LEGACY_MODE_OVERRIDE=legacy SWIFT_UNEXPECTED_EXECUTOR_LOG_LEVEL=2 %target-run %t/crash1.out 2>&1 | %FileCheck %t/src/Crash1.swift --check-prefix=LEGACY_CHECK
// RUN: not --crash env SWIFT_IS_CURRENT_EXECUTOR_LEGACY_MODE_OVERRIDE=swift6 SWIFT_UNEXPECTED_EXECUTOR_LOG_LEVEL=2 %target-run %t/crash1.out 2>&1 | %FileCheck %t/src/Crash1.swift --check-prefix=SWIFT6_CHECK --dump-input=always
// RUN: %target-build-swift -Xfrontend -enable-upcoming-feature -Xfrontend DynamicActorIsolation -I %t -L %t -l Types %t/src/Crash2.swift -o %t/crash2.out
// RUN: %target-codesign %t/crash2.out
// RUN: not --crash env SWIFT_IS_CURRENT_EXECUTOR_LEGACY_MODE_OVERRIDE=legacy SWIFT_UNEXPECTED_EXECUTOR_LOG_LEVEL=2 %target-run %t/crash2.out 2>&1 | %FileCheck %t/src/Crash2.swift --check-prefix=LEGACY_CHECK
// RUN: not --crash env SWIFT_IS_CURRENT_EXECUTOR_LEGACY_MODE_OVERRIDE=swift6 SWIFT_UNEXPECTED_EXECUTOR_LOG_LEVEL=2 %target-run %t/crash2.out 2>&1 | %FileCheck %t/src/Crash2.swift --check-prefix=SWIFT6_CHECK --dump-input=always
// RUN: %target-build-swift -Xfrontend -enable-upcoming-feature -Xfrontend DynamicActorIsolation -I %t -L %t -l Types %t/src/Crash3.swift -o %t/crash3.out
// RUN: %target-codesign %t/crash3.out
// RUN: not --crash env SWIFT_IS_CURRENT_EXECUTOR_LEGACY_MODE_OVERRIDE=legacy SWIFT_UNEXPECTED_EXECUTOR_LOG_LEVEL=2 %target-run %t/crash3.out 2>&1 | %FileCheck %t/src/Crash3.swift --check-prefix=LEGACY_CHECK
// RUN: not --crash env SWIFT_IS_CURRENT_EXECUTOR_LEGACY_MODE_OVERRIDE=swift6 SWIFT_UNEXPECTED_EXECUTOR_LOG_LEVEL=2 %target-run %t/crash3.out 2>&1 | %FileCheck %t/src/Crash3.swift --check-prefix=SWIFT6_CHECK --dump-input=always
// RUN: %target-build-swift -Xfrontend -enable-upcoming-feature -Xfrontend DynamicActorIsolation -I %t -L %t -l Types %t/src/Crash4.swift -o %t/crash4.out
// RUN: %target-codesign %t/crash4.out
// RUN: not --crash env SWIFT_IS_CURRENT_EXECUTOR_LEGACY_MODE_OVERRIDE=legacy SWIFT_UNEXPECTED_EXECUTOR_LOG_LEVEL=2 %target-run %t/crash4.out 2>&1 | %FileCheck %t/src/Crash4.swift --check-prefix=LEGACY_CHECK
// RUN: not --crash env SWIFT_IS_CURRENT_EXECUTOR_LEGACY_MODE_OVERRIDE=swift6 SWIFT_UNEXPECTED_EXECUTOR_LOG_LEVEL=2 %target-run %t/crash4.out 2>&1 | %FileCheck %t/src/Crash4.swift --check-prefix=SWIFT6_CHECK --dump-input=always
// RUN: %target-build-swift -Xfrontend -enable-upcoming-feature -Xfrontend DynamicActorIsolation -I %t -L %t -l Types %t/src/Crash5.swift -o %t/crash5.out
// RUN: %target-codesign %t/crash5.out
// RUN: not --crash env SWIFT_IS_CURRENT_EXECUTOR_LEGACY_MODE_OVERRIDE=legacy SWIFT_UNEXPECTED_EXECUTOR_LOG_LEVEL=2 %target-run %t/crash5.out 2>&1 | %FileCheck %t/src/Crash5.swift --check-prefix=LEGACY_CHECK
// RUN: not --crash env SWIFT_IS_CURRENT_EXECUTOR_LEGACY_MODE_OVERRIDE=swift6 SWIFT_UNEXPECTED_EXECUTOR_LOG_LEVEL=2 %target-run %t/crash5.out 2>&1 | %FileCheck %t/src/Crash5.swift --check-prefix=SWIFT6_CHECK --dump-input=always
// RUN: %target-build-swift -Xfrontend -enable-upcoming-feature -Xfrontend DynamicActorIsolation -I %t -L %t -l Types %t/src/Crash6.swift -o %t/crash6.out
// RUN: %target-codesign %t/crash6.out
// RUN: not --crash env SWIFT_IS_CURRENT_EXECUTOR_LEGACY_MODE_OVERRIDE=legacy SWIFT_UNEXPECTED_EXECUTOR_LOG_LEVEL=2 %target-run %t/crash6.out 2>&1 | %FileCheck %t/src/Crash6.swift --check-prefix=LEGACY_CHECK
// RUN: not --crash env SWIFT_IS_CURRENT_EXECUTOR_LEGACY_MODE_OVERRIDE=swift6 SWIFT_UNEXPECTED_EXECUTOR_LOG_LEVEL=2 %target-run %t/crash6.out 2>&1 | %FileCheck %t/src/Crash6.swift --check-prefix=SWIFT6_CHECK --dump-input=always
// REQUIRES: asserts
// REQUIRES: concurrency
// REQUIRES: concurrency_runtime
// REQUIRES: executable_test
// REQUIRES: OS=macosx
// rdar://123810657
// UNSUPPORTED: back_deployment_runtime
//--- Interface.swift
public protocol P {
init()
var prop: [String] { get set }
func test() -> Int
}
public protocol Q : P {
func childTest()
}
//--- Types.swift
import Interface
public func runTest<T: P>(_ type: T.Type) async -> Int {
let v = type.init()
return v.test()
}
public func runAccessors<T: P>(_ type: T.Type) async -> [String] {
var v = type.init()
v.prop = ["a", "b", "c"]
return v.prop
}
public final class Test : @preconcurrency P {
@MainActor public var prop: [String] = []
@MainActor public func test() -> Int { 42 }
public init() {}
}
public actor ActorTest {
var x: Int = 0
public init() {}
}
extension ActorTest : @preconcurrency P {
public var prop: [String] {
get { [] }
set { }
}
public func test() -> Int { x }
}
@MainActor
public struct TestWithParent : @preconcurrency Q {
public var prop: [String] = []
public init() {}
public func test() -> Int { 42 }
public func childTest() {}
}
public func runChildTest<T: Q>(_ type: T.Type) async {
let v = type.init()
return v.childTest()
}
//--- Crash1.swift
import Types
print(await runTest(Test.self))
print("OK")
// LEGACY_CHECK: @MainActor function at Types/Types.swift:16 was not called on the main thread
// Crash without good message, since via 'dispatch_assert_queue'
// SWIFT6_CHECK-NOT: OK
//--- Crash2.swift
import Types
print(await runAccessors(Test.self))
print("OK")
// LEGACY_CHECK: data race detected: @MainActor function at Types/Types.swift:15 was not called on the main thread
// Crash without good message, since via 'dispatch_assert_queue'
// SWIFT6_CHECK-NOT: OK
//--- Crash3.swift
import Types
print(await runTest(ActorTest.self))
print("OK")
// LEGACY_CHECK: data race detected: actor-isolated function at Types/Types.swift:33 was not called on the same actor
// SWIFT6_CHECK: Incorrect actor executor assumption
// SWIFT6_CHECK-NOT: OK
//--- Crash4.swift
import Types
print(await runAccessors(ActorTest.self))
print("OK")
// LEGACY_CHECK: data race detected: actor-isolated function at Types/Types.swift:30 was not called on the same actor
// SWIFT6_CHECK: Incorrect actor executor assumption
// SWIFT6_CHECK-NOT: OK
//--- Crash5.swift
import Types
print(await runTest(TestWithParent.self))
print("OK")
// LEGACY_CHECK: data race detected: @MainActor function at Types/Types.swift:40 was not called on the main thread
// Crash without good message, since via 'dispatch_assert_queue'
// SWIFT6_CHECK-NOT: OK
//--- Crash6.swift
import Types
print(await runChildTest(TestWithParent.self))
print("OK")
// LEGACY_CHECK: data race detected: @MainActor function at Types/Types.swift:40 was not called on the main thread
// Crash without good message, since via 'dispatch_assert_queue'
// SWIFT6_CHECK-NOT: OK
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