public async Task Starting_Iteration_Iterates_Source_ValueTask_Selector_Indexer()
{
var target = new ThrowingAsyncEnumerable <int>();
await using (var iter = target.Select((a, i) => new ValueTask <int>(a)).GetAsyncEnumerator())
{
await Assert.ThrowsAsync <NotImplementedException>(async() =>
{
await iter.MoveNextAsync();
});
}
}
public async Task Starting_Iteration_Iterates_Source_Task_Selector()
{
var target = new ThrowingAsyncEnumerable <int>();
await using (var iter = target.Select(a => Task.FromResult(a)).GetAsyncEnumerator())
{
await Assert.ThrowsAsync <NotImplementedException>(async() =>
{
await iter.MoveNextAsync();
});
}
}
