public void Catch12()
{
var res = AsyncEnumerable.Catch(Enumerable.Empty <IAsyncEnumerable <int> >());
var e = res.GetEnumerator();
NoNext(e);
}
public void Catch_Null()
{
AssertThrows <ArgumentNullException>(() => AsyncEnumerable.Catch <int, Exception>(default(IAsyncEnumerable <int>), x => null));
AssertThrows <ArgumentNullException>(() => AsyncEnumerable.Catch <int, Exception>(AsyncEnumerable.Return(42), default(Func <Exception, IAsyncEnumerable <int> >)));
AssertThrows <ArgumentNullException>(() => AsyncEnumerable.Catch <int>(default(IAsyncEnumerable <int>), AsyncEnumerable.Return(42)));
AssertThrows <ArgumentNullException>(() => AsyncEnumerable.Catch <int>(AsyncEnumerable.Return(42), default(IAsyncEnumerable <int>)));
AssertThrows <ArgumentNullException>(() => AsyncEnumerable.Catch <int>(default(IAsyncEnumerable <int>[])));
AssertThrows <ArgumentNullException>(() => AsyncEnumerable.Catch <int>(default(IEnumerable <IAsyncEnumerable <int> >)));
}
public async Task Catch13()
{
var ex = new InvalidOperationException("Bang!");
var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable().Concat(AsyncEnumerable.Throw <int>(ex));
var ys = new[] { 4, 5, 6 }.ToAsyncEnumerable();
var res = AsyncEnumerable.Catch(new[] { xs, xs, ys, ys });
await SequenceIdentity(res);
}
public void Catch7()
{
var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
var ys = new[] { 4, 5, 6 }.ToAsyncEnumerable();
var res = AsyncEnumerable.Catch(xs, ys);
var e = res.GetEnumerator();
HasNext(e, 1);
HasNext(e, 2);
HasNext(e, 3);
NoNext(e);
}
public void Catch11()
{
var ex = new InvalidOperationException("Bang!");
var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable().Concat(AsyncEnumerable.Throw <int>(ex));
var res = AsyncEnumerable.Catch(new[] { xs, xs });
var e = res.GetEnumerator();
HasNext(e, 1);
HasNext(e, 2);
HasNext(e, 3);
HasNext(e, 1);
HasNext(e, 2);
HasNext(e, 3);
AssertThrows <Exception>(() => e.MoveNext().Wait(WaitTimeoutMs), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex);
}
public void Catch8()
{
var ex = new InvalidOperationException("Bang!");
var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable().Concat(AsyncEnumerable.Throw <int>(ex));
var ys = new[] { 4, 5, 6 }.ToAsyncEnumerable();
var res = AsyncEnumerable.Catch(xs, ys);
var e = res.GetEnumerator();
HasNext(e, 1);
HasNext(e, 2);
HasNext(e, 3);
HasNext(e, 4);
HasNext(e, 5);
HasNext(e, 6);
NoNext(e);
}