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Add tests for Enumerable/List
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34
X10D.Tests/src/Collections/EnumerableTests.cs
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34
X10D.Tests/src/Collections/EnumerableTests.cs
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@ -0,0 +1,34 @@
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using X10D.Collections;
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namespace X10D.Tests.Collections;
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[TestClass]
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public class EnumerableTests
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{
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[TestMethod]
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public void EnumerableShuffledShouldBeDifferentOrder()
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{
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var list = new List<int>
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{
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1,
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2,
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3,
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4,
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5
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};
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var shuffled = new List<int>(list);
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CollectionAssert.AreEqual(list, shuffled);
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shuffled = new List<int>(list.Shuffled());
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CollectionAssert.AreNotEqual(list, shuffled);
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}
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[TestMethod]
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public void NullShuffledShouldThrow()
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{
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Assert.ThrowsException<ArgumentNullException>(() => ((List<int>?)null)!.Shuffled());
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}
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}
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57
X10D.Tests/src/Collections/ListTests.cs
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57
X10D.Tests/src/Collections/ListTests.cs
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@ -0,0 +1,57 @@
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using X10D.Collections;
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namespace X10D.Tests.Collections;
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[TestClass]
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public class ListTests
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{
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[TestMethod]
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public void ListShuffleShouldReorder()
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{
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var list = new List<int>
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{
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1,
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2,
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3,
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4,
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5
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};
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var shuffled = new List<int>(list);
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CollectionAssert.AreEqual(list, shuffled);
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shuffled.Shuffle();
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CollectionAssert.AreNotEqual(list, shuffled);
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}
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[TestMethod]
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public void ListRandomShouldReturnExistingObject()
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{
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var list = new List<int>
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{
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1,
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2,
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3,
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4,
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5
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};
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int random = list.Random();
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Assert.IsTrue(list.Contains(random));
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}
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[TestMethod]
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public void NullShuffleShouldThrow()
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{
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Assert.ThrowsException<ArgumentNullException>(() => ((List<int>?)null)!.Shuffle());
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}
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[TestMethod]
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public void NullRandomShouldThrow()
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{
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Assert.ThrowsException<ArgumentNullException>(() => ((List<int>?)null)!.Random());
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}
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}
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@ -1,4 +1,5 @@
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using X10D.Collections;
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namespace X10D.Tests.Core;
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@ -3,7 +3,7 @@
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/// <summary>
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/// Extension methods for <see cref="IEnumerable{T}" />.
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/// </summary>
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public static partial class EnumerableExtensions
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public static class EnumerableExtensions
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{
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/// <summary>
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/// Reorganizes the elements in an enumerable by implementing a Fisher-Yates shuffle, and returns th shuffled result.
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