public static async System.Threading.Tasks.Task DoSomething()
{
int rnd = random.Value.Next(0, 200);
await System.Threading.Tasks.Task.Delay(rnd);
if (rnd % 2 == 0)
{
await ThreadSafetyTest.AsyncDoSomething1();
}
else
{
await ThreadSafetyTest.AsyncDoSomething2();
}
}
public static void Test()
{
bool failed = false;
int iterations = 100;
// threads interact with some object - either
System.Threading.Thread thread1 = new System.Threading.Thread(
new System.Threading.ThreadStart(
delegate ()
{
for (int i = 0; i < iterations; i++)
{
ThreadSafetyTest.DoSomething1(); // call unsafe code
// check that object is not out of synch due to other thread
if (IsBad())
{
failed = true;
}
}
})
);
System.Threading.Thread thread2 = new System.Threading.Thread(
new System.Threading.ThreadStart(
delegate ()
{
for (int i = 0; i < iterations; i++)
{
ThreadSafetyTest.DoSomething2(); // call unsafe code
// check that object is not out of synch due to other thread
if (IsBad())
{
failed = true;
}
}
})
);
thread1.Start();
thread2.Start();
thread1.Join();
thread2.Join();
System.Diagnostics.Debug.Assert(failed == false, "The code was thread safe");
}