custom_executors_priority.swift

// RUN: %target-run-simple-swift( -Xfrontend -disable-availability-checking %import-libdispatch -parse-as-library) | %FileCheck %s --dump-input=always

// REQUIRES: concurrency
// REQUIRES: executable_test

// rdar://106849189 move-only types should be supported in freestanding mode
// UNSUPPORTED: freestanding

// UNSUPPORTED: back_deployment_runtime
// REQUIRES: concurrency_runtime

finalclassInlineExecutor:SerialExecutor{
publicfunc enqueue(_ job:consumingExecutorJob){
print("\(self): enqueue (priority: \(TaskPriority(job.priority)!))")
 job.runSynchronously(on:self.asUnownedSerialExecutor())
}
}

letinlineExecutor=InlineExecutor()

actorCustom{
varcount=0

@available(SwiftStdlib 5.1,*)
nonisolatedvarunownedExecutor:UnownedSerialExecutor{
print("custom unownedExecutor")
return inlineExecutor.asUnownedSerialExecutor()
}

func report()async{
print("custom.count == \(count)")
 count +=1
}
}

@mainstructMain{
staticfunc main()async{
print("begin")
letactor=Custom()
awaitTask(priority:.high){
awaitactor.report()
}.value
awaitTask(){
awaitactor.report()
}.value
print("end")
}
}

// CHECK: begin
// CHECK-NEXT: custom unownedExecutor
// CHECK-NEXT: main.InlineExecutor: enqueue (priority: TaskPriority.high)
// CHECK-NEXT: custom.count == 0
// CHECK-NEXT: custom unownedExecutor
// CHECK-NEXT: main.InlineExecutor: enqueue (priority: TaskPriority.medium)
// CHECK-NEXT: custom.count == 1
// CHECK-NEXT: end