public void DoAction20Times_ProvidedAction_Executed20TimesInParallel()
{
// ARRANGE
int ExpectedResult = 20;
int invocationCount = 0;
var mutex = new object();
Action action = () =>
{
System.Diagnostics.Debug.WriteLine(
string.Format(
"Executes action in Task '{0}' executed on Thread '{1}'",
Task.CurrentId,
Thread.CurrentThread.ManagedThreadId));
lock (mutex)
{
++invocationCount;
}
};
// ACT
ParallelInvocation.DoAction20Times(action);
// ASSERT
Assert.AreEqual(ExpectedResult, invocationCount, "result has unexpected value.");
}
public void ProcessArrayInParallel_ProvidedValues_ExecutesPartialProcessingInParallel()
{
// ARRANGE
int ExpectedResult = 2;
var array = new double[] { 4.45, 2.11, 5.34, 6.56 };
// ACT
var result = ParallelInvocation.ProcessArrayInParallel(array);
// ASSERT
Assert.AreEqual(ExpectedResult, result, "result has unexpected value.");
}
public void DoAction20TimesWithCancellation_Cancelled_ThrowsOperationCanceledException()
{
// ARRANGE
Exception exception = null;
CancellationTokenSource cts = new CancellationTokenSource();
Action action = () =>
{
System.Diagnostics.Debug.WriteLine(
string.Format(
"Executes action in Task '{0}' executed on Thread '{1}'",
Task.CurrentId,
Thread.CurrentThread.ManagedThreadId));
Thread.Sleep(500);
};
Task.Run(() =>
{
Thread.Sleep(600);
cts.Cancel();
});
// ACT
try
{
ParallelInvocation.DoAction20TimesWithCancellation(action, cts.Token);
}
catch (Exception e)
{
exception = e;
}
// ASSERT
Assert.NotNull(exception, "exception is null.");
Assert.IsInstanceOf <OperationCanceledException>(exception, "exception has unexpected type.");
}
