// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
using System;
using System.Collections.Generic;
using System.Threading;
using Microsoft.ClearScript.V8;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace Microsoft.ClearScript.Test
{
internal static class ConsoleTest
{
public static unsafe void BugFix_V8StackLimitIntegerOverflow()
{
var threads = new List();
var exit = new ManualResetEventSlim();
try
{
var done = new AutoResetEvent(false);
Exception caughtException = null;
var found = false;
while (true)
{
var thread = new Thread(() =>
{
var pointer = stackalloc byte[192 * 1024];
if ((ulong)pointer < (984 * 1024UL))
{
try
{
using (var engine = new V8ScriptEngine())
{
Assert.AreEqual(Math.PI, engine.Evaluate("Math.PI"));
}
found = true;
}
catch (Exception exception)
{
caughtException = exception;
}
}
done.Set();
exit.Wait();
}, 256 * 1024);
threads.Add(thread);
thread.Start();
done.WaitOne();
if (caughtException != null)
{
throw new AssertFailedException("Exception thrown in worker thread", caughtException);
}
if (found)
{
break;
}
}
Assert.IsTrue(found);
}
finally
{
exit.Set();
threads.ForEach(thread => thread.Join());
}
}
}
}