Never.cs 702 B

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  1. // Licensed to the .NET Foundation under one or more agreements.
  2. // The .NET Foundation licenses this file to you under the Apache 2.0 License.
  3. // See the LICENSE file in the project root for more information.
  4. using System.Linq;
  5. using System.Threading.Tasks;
  6. using Xunit;
  7. namespace Tests
  8. {
  9. public class Never : AsyncEnumerableExTests
  10. {
  11. [Fact]
  12. public async Task Never1()
  13. {
  14. var xs = AsyncEnumerableEx.Never<int>();
  15. var e = xs.GetAsyncEnumerator();
  16. Assert.False(e.MoveNextAsync().IsCompleted); // Very rudimentary check
  17. await e.DisposeAsync();
  18. }
  19. private void Nop(object o)
  20. {
  21. }
  22. }
  23. }