feat(test): added tests for isonline class

System.Test/IsOnlineTest.cs

@@ -0,0 +1,64 @@
+using FrApp42.System.Net;
+using System.Net;
+
+namespace System.Test
+{
+	[TestClass]
+	public class IsOnlineTest
+	{
+		private readonly string _googleHostname = "google.com";
+		private readonly IPAddress _googleIpAddress = IPAddress.Parse("8.8.8.8");
+
+		[TestMethod]
+		public void ConstructorWithHostnameAndDefaultTimeout()
+		{
+			IsOnline isOnline = new(_googleHostname);
+			Assert.AreEqual(5, isOnline.TimeOut, "Default timeout should be 5.");
+		}
+
+		[TestMethod]
+		public void ConstructorWithHostnameAndCustomTimeout()
+		{
+			int customTimeout = 10;
+
+			IsOnline isOnline = new(_googleHostname, customTimeout);
+			Assert.AreEqual(customTimeout, isOnline.TimeOut, $"Timeout should be {customTimeout}.");
+		}
+
+		[TestMethod]
+		public void ConstructorWithIpAddressAndDefaultTimeout()
+		{
+			IsOnline isOnline = new(_googleIpAddress);
+			Assert.AreEqual(5, isOnline.TimeOut, "Default timeout should be 5.");
+		}
+
+		[TestMethod]
+		public void ConstructorWithIpAddressAndCustomTimeout()
+		{
+			int customTimeout = 10;
+
+			IsOnline isOnline = new(_googleIpAddress, customTimeout);
+			Assert.AreEqual(customTimeout, isOnline.TimeOut, $"Timeout should be {customTimeout}.");
+		}
+
+		[TestMethod]
+		public void CheckWithHostname()
+		{
+			IsOnline isOnline = new(_googleHostname);
+
+			bool result = isOnline.Check();
+
+			Assert.IsTrue(result, "Google hostname should be reachable.");
+		}
+
+		[TestMethod]
+		public void CheckWithIpAddress()
+		{
+			IsOnline isOnline = new(_googleIpAddress);
+
+			bool result = isOnline.Check();
+
+			Assert.IsTrue(result, "Google IP address should be reachable.");
+		}
+	}
+}