public async Task TestRetryStrategy()
{
int nCalls = 0;
int succeedAfter = 3;
Func <Task <int> > toRetry = async() =>
{
nCalls++;
if (succeedAfter-- > 0)
{
throw new OutOfMemoryException();
}
return(await Task.Run(() => nCalls));
};
var result = await RetryStrategy.RetryAsync(toRetry, 5, 500);
Assert.AreEqual(4, result);
succeedAfter = 1;
await Assert.ThrowsExceptionAsync <OutOfMemoryException>(() => RetryStrategy.RetryAsync(toRetry, 5, 500, (e) =>
{
if (e is OutOfMemoryException)
{
throw e;
}
}));
}