public static IAsyncEnumerable <T> CreateAsyncStream <T>(T initialState, Func <T, bool> condition, Func <T, T> iterate, int millisDelay)
{
return(AsyncEnumerableEx.Generate(initialState, condition, v =>
{
Thread.Sleep(millisDelay);
return iterate(v);
}, v => v));
}
public async Task ExceptionHandling_ShouldThrowUnwrappedException2()
{
try
{
var asyncEnumerable = AsyncEnumerableEx.Generate(15, (x) => { throw new InvalidOperationException(); }, (x) => { return(20); }, (x) => { return(2); });
await asyncEnumerable.ToArrayAsync();
}
catch (AggregateException)
{
Assert.True(false, "AggregateException has been thrown instead of InvalidOperationException");
}
catch (InvalidOperationException)
{
}
}
public void Generate_Null()
{
Assert.Throws <ArgumentNullException>(() => AsyncEnumerableEx.Generate <int, int>(0, default, x => x, x => x));
