SystemClock
Time related delegates used to support different compilation targets and to improve testability of the code.
using System;
using System.Threading;
using System.Threading.Tasks;
namespace Polly.Utilities
{
public static class SystemClock
{
public static Action<TimeSpan, CancellationToken> Sleep = delegate(TimeSpan timeSpan, CancellationToken cancellationToken) {
if (cancellationToken.WaitHandle.WaitOne(timeSpan))
cancellationToken.ThrowIfCancellationRequested();
};
public static Func<TimeSpan, CancellationToken, Task> SleepAsync = Task.Delay;
public static Func<DateTime> UtcNow = () => DateTime.UtcNow;
public static void Reset()
{
Sleep = delegate(TimeSpan timeSpan, CancellationToken cancellationToken) {
if (cancellationToken.WaitHandle.WaitOne(timeSpan))
cancellationToken.ThrowIfCancellationRequested();
};
SleepAsync = Task.Delay;
UtcNow = (() => DateTime.UtcNow);
}
}
}