// 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.Linq; using System.Threading; using System.Threading.Tasks; using Xunit; namespace Tests { public class IsEmpty : AsyncEnumerableExTests { [Fact] public async Task IsEmpty_Null() { await Assert.ThrowsAsync(() => AsyncEnumerableEx.IsEmptyAsync(default)); await Assert.ThrowsAsync(() => AsyncEnumerableEx.IsEmptyAsync(default, CancellationToken.None)); } } }