public void ConcurrentDebitCredit()
{
var a = new Account();
Parallel.Invoke(() => a.Credit(100),
() => a.Debit(50));
Assert.AreEqual(50, a.CurrentBalance);
}
public static bool Run()
{
var a = new Account();
Parallel.Invoke(() => a.Credit(100),
() => a.Debit(50));
Console.WriteLine(a.CurrentBalance == 50 ? "Pass" : "Fail");
return a.CurrentBalance == 50;
}
public void ConcurrentDebitCredit_TheOldWay()
{
for (var i = 0; i < 1000; i++)
{
var a = new Account();
Parallel.Invoke(() => a.Credit(100),
() => a.Debit(50));
Assert.AreEqual(50, a.CurrentBalance);
}
}
static void Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine("usage: TestApp iterations");
return;
}
for (var i = 0; i < int.Parse(args[0]); i++)
{
var a = new Account();
Parallel.Invoke(() => a.Credit(100),
() => a.Debit(50));
Console.WriteLine(a.CurrentBalance == 50 ? "Pass {0}" : "Fail {0}", i);
if (a.CurrentBalance != 50)
{
return;
}
}
Console.WriteLine("Passed having run {0} iterations", args[0]);
}