feat: Initial commit of SequenceComparer

ICD.Common.Utils.Tests/Comparers/SequenceComparerTest.cs

@@ -0,0 +1,33 @@
+using ICD.Common.Utils.Comparers;
+using NUnit.Framework;
+
+namespace ICD.Common.Utils.Tests.Comparers
+{
+	[TestFixture]
+	public sealed class SequenceComparerTest
+	{
+		[Test]
+		public void CompareTest()
+		{
+			SequenceComparer<int> comparer = new SequenceComparer<int>();
+
+			// Equal
+			int[] a = {1, 2, 3};
+			int[] b = {1, 2, 3};
+
+			Assert.AreEqual(0, comparer.Compare(a, b));
+
+			// A comes before B
+			a = new[] {1, 2};
+			b = new[] {1, 2, 3};
+
+			Assert.AreEqual(-1, comparer.Compare(a, b));
+
+			// B comes before A
+			a = new[] { 2, 2, 3 };
+			b = new[] { 1, 2, 3 };
+
+			Assert.AreEqual(1, comparer.Compare(a, b));
+		}
+	}
+}