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- // Licensed to the .NET Foundation under one or more agreements.
- // The .NET Foundation licenses this file to you under the Apache 2.0 License.
- // See the LICENSE file in the project root for more information.
- using System;
- using System.Reactive.Linq;
- using Microsoft.Reactive.Testing;
- using Xunit;
- namespace ReactiveTests.Tests
- {
- public class NeverTest : ReactiveTest
- {
- [Fact]
- public void Never_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Never<int>().Subscribe(null));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Never(42).Subscribe(null));
- }
- [Fact]
- public void Never_Basic()
- {
- var scheduler = new TestScheduler();
- var xs = Observable.Never<int>();
- var res = scheduler.CreateObserver<int>();
- xs.Subscribe(res);
- scheduler.Start();
- res.Messages.AssertEqual(
- );
- }
- [Fact]
- public void Never_Basic_Witness()
- {
- var scheduler = new TestScheduler();
- var xs = Observable.Never(42);
- var res = scheduler.CreateObserver<int>();
- xs.Subscribe(res);
- scheduler.Start();
- res.Messages.AssertEqual(
- );
- }
- }
- }
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