NeverTest.cs 1.3 KB

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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;
  5. using System.Reactive.Linq;
  6. using Microsoft.Reactive.Testing;
  7. using Xunit;
  8. namespace ReactiveTests.Tests
  9. {
  10. public class NeverTest : ReactiveTest
  11. {
  12. [Fact]
  13. public void Never_ArgumentChecking()
  14. {
  15. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Never<int>().Subscribe(null));
  16. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Never(42).Subscribe(null));
  17. }
  18. [Fact]
  19. public void Never_Basic()
  20. {
  21. var scheduler = new TestScheduler();
  22. var xs = Observable.Never<int>();
  23. var res = scheduler.CreateObserver<int>();
  24. xs.Subscribe(res);
  25. scheduler.Start();
  26. res.Messages.AssertEqual(
  27. );
  28. }
  29. [Fact]
  30. public void Never_Basic_Witness()
  31. {
  32. var scheduler = new TestScheduler();
  33. var xs = Observable.Never(42);
  34. var res = scheduler.CreateObserver<int>();
  35. xs.Subscribe(res);
  36. scheduler.Start();
  37. res.Messages.AssertEqual(
  38. );
  39. }
  40. }
  41. }