Add tests for CopyToExtensions

This commit is contained in:
Bond_009 2021-04-01 19:13:03 +02:00
parent 7c51d0a50e
commit 11f7ab4dd4

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using System;
using System.Collections.Generic;
using MediaBrowser.Common.Extensions;
using Xunit;
namespace Jellyfin.Common.Tests.Extensions
{
public static class CopyToExtensionsTests
{
public static IEnumerable<object[]> CopyTo_Valid_Correct_TestData()
{
yield return new object[] { new[] { 0, 1, 2, 3, 4, 5 }, new[] { 0, 0, 0, 0, 0, 0 }, 0, new[] { 0, 1, 2, 3, 4, 5 } };
yield return new object[] { new[] { 0, 1, 2 }, new[] { 5, 4, 3, 2, 1, 0 }, 2, new[] { 5, 4, 0, 1, 2, 0 } };
}
[Theory]
[MemberData(nameof(CopyTo_Valid_Correct_TestData))]
public static void CopyTo_Valid_Correct<T>(IReadOnlyList<T> source, IList<T> destination, int index, IList<T> expected)
{
source.CopyTo(destination, index);
Assert.Equal(expected, destination);
}
public static IEnumerable<object[]> CopyTo_Invalid_ThrowsArgumentOutOfRangeException_TestData()
{
yield return new object[] { new[] { 0, 1, 2, 3, 4, 5 }, new[] { 0, 0, 0, 0, 0, 0 }, -1 };
yield return new object[] { new[] { 0, 1, 2 }, new[] { 5, 4, 3, 2, 1, 0 }, 6 };
yield return new object[] { new[] { 0, 1, 2 }, Array.Empty<int>(), 0 };
yield return new object[] { new[] { 0, 1, 2, 3, 4, 5 }, new[] { 0 }, 0 };
yield return new object[] { new[] { 0, 1, 2, 3, 4, 5 }, new[] { 0, 0, 0, 0, 0, 0 }, 1 };
}
[Theory]
[MemberData(nameof(CopyTo_Invalid_ThrowsArgumentOutOfRangeException_TestData))]
public static void CopyTo_Invalid_ThrowsArgumentOutOfRangeException<T>(IReadOnlyList<T> source, IList<T> destination, int index)
{
Assert.Throws<ArgumentOutOfRangeException>(() => source.CopyTo(destination, index));
}
}
}