// Copyright (c) Microsoft. All rights reserved.

// Licensed under the MIT license. See LICENSE file in the project root for full license information.

using Xunit;

namespace System.Linq.Tests

{

public class SkipTests : EnumerableBasedTests

{

[Fact]

public void SkipSome()

{

Assert.Equal(Enumerable.Range(10, 10).AsQueryable(), Enumerable.Range(0, 20).AsQueryable().Skip(10));

}

[Fact]

public void SkipExcessive()

{

Assert.Empty(Enumerable.Range(0, 20).AsQueryable().Skip(42));

}

[Fact]

public void SkipThrowsOnNull()

{

Assert.Throws<ArgumentNullException>("source", () => ((IQueryable<DateTime>)null).Skip(3));

}

[Fact]

public void Skip()

{

var count = (new int[] { 0, 1, 2 }).AsQueryable().Skip(1).Count();

Assert.Equal(2, count);

}

}

}