public void ExecutionsDoNotIntersect( )
{
ExecutionTokenSpool ets = new ExecutionTokenSpool( );
List <Task> tasks = new List <Task>(5);
List <FromToSpan> spans = new List <FromToSpan>(5);
for (int i = 0; i < 5; i++)
{
tasks.Add(
Task.Run(
async( ) => {
FromToSpan span = new FromToSpan( );
using (await ets.GetExecutionToken( )) {
span.From = DateTime.Now;
await Task.Delay(10);
span.To = DateTime.Now;
}
lock ( spans ) {
spans.Add(span);
}
}));
}
Task.WaitAll(tasks.ToArray( ));
Assert.AreEqual(5, spans.Count);
Assert.False(spans.Any(s1 => spans.Any(s2 => s1 != s2 && s1.Intersects(s2))));
}
public bool Intersects(FromToSpan other)
{
if (To > other.To &&
From < other.From)
{
return(true);
}
if (To > other.From &&
To < other.From)
{
return(true);
}
if (From < other.To &&
From > other.From)
{
return(true);
}
return(false);
}
