public async ValueTask AsAsyncValueEnumerable_With_ValidData_Must_Succeed(int[] source)
{
// Arrange
var wrapped = Wrap
.AsValueEnumerable(source);
// Act
var result = ValueEnumerableExtensions
.AsAsyncValueEnumerable <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int>(wrapped);
// Assert
var enumerator = result.GetAsyncEnumerator();
await using (enumerator.ConfigureAwait(false))
{
var index = 0;
while (true)
{
var isResultCompleted = !await enumerator.MoveNextAsync();
var isSourceCompleted = index == source.Length;
if (isResultCompleted && isSourceCompleted)
{
return;
}
if (isResultCompleted)
{
throw new Exception("'result' is shorter.");
}
if (isSourceCompleted)
{
throw new Exception("'result' is longer.");
}
if (!EqualityComparer <int> .Default.Equals(enumerator.Current, source[index]))
{
throw new Exception($"Items are not equal at index '{index}'.");
}
index++;
}
}
// TODO: figure out why this doesn't work...
//_ = result.Must()
// .BeAsyncEnumerableOf<int>()
// .BeEqualTo(source);
}
public async ValueTask AsAsyncValueEnumerable_With_ToArrayAsync_Must_Succeed(int[] source)
{
// Arrange
var wrapped = Wrap
.AsValueEnumerable(source);
var expected = Enumerable
.ToArray(source);
// Act
var result = await ValueEnumerableExtensions
.AsAsyncValueEnumerable <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int>(wrapped)
.ToArrayAsync();
// Assert
_ = result.Must()
.BeArrayOf <int>()
.BeEqualTo(expected);
}
