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Moving Libraries Control tests to NUnit #7234

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Jul 22, 2019
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1 change: 1 addition & 0 deletions tests/fsharp/FSharpSuite.Tests.fsproj
Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,7 @@
<Compile Include="Compiler\Language\SpanTests.fs" />
<Compile Include="Compiler\Language\StringConcatOptimizationTests.fs" />
<Compile Include="Compiler\Stress\LargeExprTests.fs" />
<Compile Include="Libraries\Async\AsyncTests.fs" />
<Compile Include="Compiler\Warnings\AssignmentWarningTests.fs" />
<Content Include="packages.config" />
<None Include="app.config" />
Expand Down
168 changes: 168 additions & 0 deletions tests/fsharp/Libraries/Async/AsyncTests.fs
Original file line number Diff line number Diff line change
@@ -0,0 +1,168 @@
namespace FSharp.Libraries.UnitTests

open System
open NUnit.Framework
open FSharp.Compiler.UnitTests

[<TestFixture>]
module AsyncTests =
// Regression for FSHARP1.0:5969
// Async.StartChild: error when wait async is executed more than once
[<Test>]
let ``Execute Async multiple times``() =
CompilerAssert.CompileExeAndRun
"""
module M

let a = async {
let! a = Async.StartChild(
async {
do! Async.Sleep(1)
return 27
})
let! result = Async.Parallel [ a; a; a; a ]
return result
} |> Async.RunSynchronously

exit 0
"""


// Regression for FSHARP1.0:5970
// Async.StartChild: race in implementation of ResultCell in FSharp.Core
[<Test>]
let ``Joining StartChild``() =
CompilerAssert.CompileExeAndRun
"""
module M

let Join (a1: Async<'a>) (a2: Async<'b>) = async {
let! task1 = a1 |> Async.StartChild
let! task2 = a2 |> Async.StartChild

let! res1 = task1
let! res2 = task2
return (res1,res2) }

let r =
try
Async.RunSynchronously (Join (async { do! Async.Sleep(30)
failwith "fail"
return 3+3 })
(async { do! Async.Sleep(30)
return 2 + 2 } ))
with _ ->
(0,0)

exit 0

"""

// Regression test for FSHARP1.0:6086
[<Test>]
let ``Mailbox Async dot not StackOverflow``() =
CompilerAssert.CompileExeAndRun
"""
open Microsoft.FSharp.Control

type Color = Blue | Red | Yellow
let complement = function
| (Red, Yellow) | (Yellow, Red) -> Blue
| (Red, Blue) | (Blue, Red) -> Yellow
| (Yellow, Blue) | (Blue, Yellow) -> Red
| (Blue, Blue) -> Blue
| (Red, Red) -> Red
| (Yellow, Yellow) -> Yellow

type Message = Color * AsyncReplyChannel<Color option>

let chameleon (meetingPlace : MailboxProcessor<Message>) initial =
let rec loop c meets = async {
let replyMessage = meetingPlace.PostAndReply(fun reply -> c, reply)
match replyMessage with
| Some(newColor) -> return! loop newColor (meets + 1)
| None -> return meets
}
loop initial 0

let meetingPlace chams n = MailboxProcessor.Start(fun (processor : MailboxProcessor<Message>)->
let rec fadingLoop total =
async {
if total <> 0 then
let! (_, reply) = processor.Receive()
reply.Reply None
return! fadingLoop (total - 1)
else
printfn "Done"
}
let rec mainLoop curr =
async {
if (curr > 0) then
let! (color1, reply1) = processor.Receive()
let! (color2, reply2) = processor.Receive()
let newColor = complement (color1, color2)
reply1.Reply <| Some(newColor)
reply2.Reply <| Some(newColor)
return! mainLoop (curr - 1)
else
return! fadingLoop chams
}
mainLoop n
)

open System
open System.Diagnostics

let meetings = 100000

let colors = [Blue; Red; Yellow; Blue]
let mp = meetingPlace (colors.Length) meetings
let watch = Stopwatch.StartNew()
let meets =
colors
|> List.map (chameleon mp)
|> Async.Parallel
|> Async.RunSynchronously
watch.Stop()
for meet in meets do
printfn "%d" meet
printfn "Total: %d in %O" (Seq.sum meets) (watch.Elapsed)

exit 0
"""

// Regression for FSHARP1.0:5971
[<Test>]
let ``StartChild do not throw ObjectDisposedException``() =
CompilerAssert.CompileExeAndRun
"""
module M

let b = async {return 5} |> Async.StartChild
printfn "%A" (b |> Async.RunSynchronously |> Async.RunSynchronously)

exit 0
"""


[<Test>]
let ``StartChild test Trampoline HijackLimit``() =
CompilerAssert.CompileExeAndRun
"""
module M

let r =
async {
let! a = Async.StartChild(
async {
do! Async.Sleep(1)
return 5
}
)
let! _ = a
for __ in 1..10000 do // 10000 > bindHijackLimit
()
} |> Async.RunSynchronously

exit 0
"""

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25 changes: 0 additions & 25 deletions tests/fsharpqa/Source/Libraries/Control/JoiningStartChild01.fs

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6 changes: 0 additions & 6 deletions tests/fsharpqa/Source/Libraries/Control/env.lst

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