Added Collection Extensions, Updated DateTimeExtensions

2024-02-25 09:49:43 +01:00
parent cf425da609
commit 8e31601d75
8 changed files with 242 additions and 27 deletions
--- a/UnitTests/Common/Extensions/CollectionExtensionsTests.cs
+++ b/UnitTests/Common/Extensions/CollectionExtensionsTests.cs
@@ -0,0 +1,143 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace UnitTests.Common.Extensions
+{
+	[TestClass]
+	public class CollectionExtensionsTests
+	{
+		[TestMethod]
+		public void ShouldAddItem()
+		{
+			// Arrange
+			var item = new TestItem { Number = 10, Text = "Ten" };
+			ICollection<TestItem> list = new List<TestItem>
+			{
+				new() {
+					Number = 1,
+					Text = "One"
+				}
+			};
+
+			// Act
+			list.AddIfNotNull(item);
+
+			// Assert
+			Assert.AreEqual(2, list.Count);
+		}
+
+		[TestMethod]
+		public void ShouldNotAddItem()
+		{
+			// Arrange
+			TestItem item = null;
+			ICollection<TestItem> list = new List<TestItem>
+			{
+				new() {
+					Number = 1,
+					Text = "One"
+				}
+			};
+
+			// Act
+			list.AddIfNotNull(item);
+
+			// Assert
+			Assert.AreEqual(1, list.Count);
+		}
+
+		[TestMethod]
+		[ExpectedException(typeof(ArgumentNullException))]
+		public void ShouldThrowArgumentNullExceptionForNullList()
+		{
+			// Arrange
+			var item = new TestItem { Number = 10, Text = "Ten" };
+			ICollection<TestItem> list = null;
+
+			// Act
+			list.AddIfNotNull(item);
+
+			// Assert - ArgumentNullException
+		}
+
+		[TestMethod]
+		public void ShouldAddRange()
+		{
+			// Arrange
+			ICollection<TestItem> items = new List<TestItem>
+			{
+				new() { Number = 10, Text = "Ten" },
+				new() { Number = 11, Text = "Eleven" },
+			};
+			ICollection<TestItem> list = new List<TestItem>
+			{
+				new() { Number = 1, Text = "One" },
+			};
+
+			// Act
+			list.AddRange(items);
+
+			// Assert
+			Assert.AreEqual(3, list.Count);
+		}
+
+		[TestMethod]
+		[ExpectedException(typeof(ArgumentNullException))]
+		public void ShouldThrowArgumentNullExceptionForList()
+		{
+			// Arrange
+			ICollection<TestItem> items = new List<TestItem>
+			{
+				new() { Number = 10, Text = "Ten" },
+				new() { Number = 11, Text = "Eleven" },
+			};
+			ICollection<TestItem> list = null;
+
+			// Act
+			list.AddRange(items);
+
+			// Assert - ArgumentNullException
+		}
+
+		[TestMethod]
+		[ExpectedException(typeof(ArgumentNullException))]
+		public void ShouldThrowArgumentNullExceptionForItems()
+		{
+			// Arrange
+			ICollection<TestItem> items = null;
+			ICollection<TestItem> list = new List<TestItem>
+			{
+				new() { Number = 1, Text = "One" },
+			};
+
+			// Act
+			list.AddRange(items);
+
+			// Assert - ArgumentNullException
+		}
+
+		[TestMethod]
+		public void ShouldNotAddRange()
+		{
+			// Arrange
+			ICollection<TestItem> list = new List<TestItem>
+			{
+				new() { Number = 1, Text = "One" },
+			};
+
+			// Act
+			list.AddRange(list);
+
+			// Assert
+			Assert.AreEqual(1, list.Count);
+		}
+
+		private class TestItem
+		{
+			public int Number { get; set; }
+
+			public string Text { get; set; }
+		}
+	}
+}