RecyclableSortedList added

Recyclable.CollectionsTests/RecyclableSortedListTests.cs

@@ -0,0 +1,88 @@
+using FluentAssertions;
+using Recyclable.Collections;
+
+namespace Recyclable.CollectionsTests
+{
+	[TestClass()]
+	public class RecyclableSortedListTests
+	{
+		private static readonly (int, string)[] _testData = new[] { (5, "a"), (4, "d"), (3, "c"), (2, "b"), (1, "a") };
+
+		[TestMethod]
+		public void ShouldBeSortedWhenCreated()
+		{
+			// Act
+			using var sortedList = new RecyclableSortedList<int, string>(_testData);
+
+			// Validate
+			_ = sortedList.Should().HaveCount(_testData.Length)
+				.And.BeEquivalentTo(_testData)
+				.And.BeInAscendingOrder((item) => item.Key);
+		}
+
+		[TestMethod]
+		public void ShouldBeEmptyWhenNotInitialized()
+		{
+			// Act
+			using var sortedList = new RecyclableSortedList<int, string>();
+
+			// Validate
+			_ = sortedList.Should().BeEmpty();
+		}
+
+		[TestMethod]
+		public void ShouldBeSortedWhenInitialized()
+		{
+			// Act
+			using var sortedList = new RecyclableSortedList<int, string>()
+			{
+				_testData[0],
+				_testData[1],
+				_testData[2],
+				_testData[3],
+				_testData[4]
+			};
+
+			// Validate
+			_ = sortedList.Should().NotBeEmpty()
+				.And.BeInAscendingOrder(x => x.Key)
+				.And.BeEquivalentTo(_testData);
+		}
+
+		[TestMethod]
+		public void ShouldBeSortedWhenUpdateEnds()
+		{
+			// Prepare
+			using var sortedList = new RecyclableSortedList<int, string>();
+
+			// Act
+			sortedList.BeginUpdate();
+			foreach (var testItem in _testData)
+			{
+				sortedList.Add(testItem);
+			}
+
+			// Validate
+			_ = sortedList.Should().BeInDescendingOrder(x => x.Key);
+
+			// Act
+			sortedList.EndUpdate();
+
+			// Validate
+			_ = sortedList.Should().BeInAscendingOrder(x => x.Key);
+		}
+
+		[TestMethod]
+		public void ShouldBeEmptyAfterClear()
+		{
+			// Prepare
+			using var sortedList = new RecyclableSortedList<int, string>(_testData);
+
+			// Act
+			sortedList.Clear();
+
+			// Validate
+			_ = sortedList.Should().BeEmpty();
+		}
+	}
+}