| static private AlmostEquals ( long a, long b ) : bool | ||
| a | long | |
| b | long | |
| Результат | bool | |
public async Task IncrementalAsyncWithoutResultTest()
{
const int RetryCount = 5;
TimeSpan retryInterval = TimeSpan.FromSeconds(1);
TimeSpan incremental = TimeSpan.FromSeconds(1);
Counter <InvalidOperationException> counter = new(RetryCount);
int retryFuncCount = 0;
int retryHandlerCount = 0;
await Retry.IncrementalAsync(
async() =>
{
retryFuncCount++;
counter.Increase();
await Task.Yield();
},
RetryCount,
exception => exception is InvalidOperationException,
(sender, e) =>
{
Assert.IsInstanceOfType(e.LastException, typeof(InvalidOperationException));
Assert.AreEqual(retryInterval + TimeSpan.FromTicks(incremental.Ticks *retryHandlerCount), e.Delay);
Assert.AreEqual(counter.Time.Count, e.CurrentRetryCount);
retryHandlerCount++;
},
retryInterval,
incremental,
false);
Assert.AreEqual(RetryCount, retryFuncCount);
Assert.AreEqual(RetryCount - 1, retryHandlerCount);
Assert.AreEqual(RetryCount, counter.Time.Count);
TimeSpan[] intervals = counter.Time.Take(counter.Time.Count - 1).Zip(counter.Time.Skip(1), (a, b) => b - a).ToArray();
Assert.AreEqual(RetryCount - 1, intervals.Length);
intervals.ForEach((interval, index) => Assert.IsTrue(TimeSpanHelper.AlmostEquals(interval.Ticks, retryInterval.Ticks + incremental.Ticks * index)));
}