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WoofWare.PawPrint/WoofWare.PawPrint.Test/TestImpureCases.fs
2025-06-27 10:54:00 +00:00

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namespace WoofWare.Pawprint.Test
open System.Collections.Immutable
open System.IO
open FsUnitTyped
open NUnit.Framework
open WoofWare.DotnetRuntimeLocator
open WoofWare.PawPrint
open WoofWare.PawPrint.ExternImplementations
open WoofWare.PawPrint.Test
[<TestFixture>]
[<Parallelizable(ParallelScope.All)>]
module TestImpureCases =
let assy = typeof<RunResult>.Assembly
let unimplemented =
[
{
FileName = "WriteLine.cs"
ExpectedReturnCode = 1
NativeImpls = NativeImpls.PassThru ()
LocalVariablesOfMain = [] |> Some
}
]
let cases : TestCase list =
[
{
FileName = "InstaQuit.cs"
ExpectedReturnCode = 1
NativeImpls =
let mock = MockEnv.make ()
{ mock with
System_Environment =
{ System_EnvironmentMock.Empty with
GetProcessorCount =
fun thread state ->
let state =
state |> IlMachineState.pushToEvalStack' (EvalStackValue.Int32 1) thread
(state, WhatWeDid.Executed) |> ExecutionResult.Stepped
_Exit =
fun thread state ->
let state = state |> IlMachineState.loadArgument thread 0
ExecutionResult.Terminated (state, thread)
}
}
LocalVariablesOfMain = [] |> Some
}
]
[<TestCaseSource(nameof cases)>]
let ``Can evaluate C# files`` (case : TestCase) : unit =
let source = Assembly.getEmbeddedResourceAsString case.FileName assy
let image = Roslyn.compile [ source ]
let messages, loggerFactory = LoggerFactory.makeTest ()
let dotnetRuntimes =
DotnetRuntime.SelectForDll assy.Location |> ImmutableArray.CreateRange
use peImage = new MemoryStream (image)
try
let terminalState, terminatingThread =
Program.run loggerFactory (Some case.FileName) peImage dotnetRuntimes case.NativeImpls []
let exitCode =
match terminalState.ThreadState.[terminatingThread].MethodState.EvaluationStack.Values with
| [] -> failwith "expected program to return a value, but it returned void"
| head :: _ ->
match head with
| EvalStackValue.Int32 i -> i
| ret -> failwith $"expected program to return an int, but it returned %O{ret}"
exitCode |> shouldEqual case.ExpectedReturnCode
let finalVariables =
terminalState.ThreadState.[terminatingThread].MethodState.LocalVariables
|> Seq.toList
match case.LocalVariablesOfMain with
| None -> ()
| Some expected -> finalVariables |> shouldEqual expected
with _ ->
for message in messages () do
System.Console.Error.WriteLine $"{message}"
reraise ()
[<TestCaseSource(nameof unimplemented)>]
[<Explicit "not yet implemented">]
let ``Can evaluate C# files, unimplemented`` (case : TestCase) : unit =
let source = Assembly.getEmbeddedResourceAsString case.FileName assy
let image = Roslyn.compile [ source ]
let messages, loggerFactory = LoggerFactory.makeTest ()
let dotnetRuntimes =
DotnetRuntime.SelectForDll assy.Location |> ImmutableArray.CreateRange
use peImage = new MemoryStream (image)
try
let terminalState, terminatingThread =
Program.run loggerFactory (Some case.FileName) peImage dotnetRuntimes case.NativeImpls []
let exitCode =
match terminalState.ThreadState.[terminatingThread].MethodState.EvaluationStack.Values with
| [] -> failwith "expected program to return a value, but it returned void"
| head :: _ ->
match head with
| EvalStackValue.Int32 i -> i
| ret -> failwith $"expected program to return an int, but it returned %O{ret}"
exitCode |> shouldEqual case.ExpectedReturnCode
with _ ->
for message in messages () do
System.Console.Error.WriteLine $"{message}"
reraise ()