Update UnitTests.cs

Console/Program.cs

@@ -84,8 +84,8 @@ public static double Divide(string x, string y)
 	}
 
 	// Implement this method following a similar pattern as above
-	public static double Power(string x, string y)
-	{
-		return 0.0;
-	}
+public static double Power(string x, string y)
+{
+    return Math.Pow(double.Parse(x), double.Parse(y));
+}
 }

Tests/UnitTests.cs

@@ -1,29 +1,57 @@
 namespace GithubActionsLab;
-
+//
 [TestClass]
 public class Addition
 {
-	[TestMethod]
-	public void Add_Valid_Patino()
-	{
-		Assert.AreEqual(3, Program.Add("1", "2"));
-		Assert.AreEqual(5, Program.Add("3", "2"));
-		Assert.AreEqual(12, Program.Add("5", "7"));
-	}
+    [TestMethod]
+    public void Add_Valid_Patino()
+    {
+        Assert.AreEqual(3, Program.Add("1", "2"));
+        Assert.AreEqual(5, Program.Add("3", "2"));
+        Assert.AreEqual(12, Program.Add("5", "7"));
+    }
+
+    [TestMethod]
+    public void Add_Invalid_Patino()
+    {
+        Assert.ThrowsException<FormatException>(() => Program.Add("1", "a"));
+        Assert.ThrowsException<FormatException>(() => Program.Add("a", "1"));
+        Assert.ThrowsException<FormatException>(() => Program.Add("a", "a"));
+    }
+
+    [TestMethod]
+    public void Add_Null_Patino()
+    {
+        Assert.ThrowsException<ArgumentNullException>(() => Program.Add("1", null));
+        Assert.ThrowsException<ArgumentNullException>(() => Program.Add(null, "1"));
+        Assert.ThrowsException<ArgumentNullException>(() => Program.Add(null, null));
+    }
+
+    [TestMethod]
+    public void Subtract_Valid()
+    {
+        Assert.AreEqual(1, Program.Subtract("3", "2"));
+        Assert.AreEqual(0, Program.Subtract("2", "2"));
+    }
+
+    [TestMethod]
+    public void Multiply_Valid()
+    {
+        Assert.AreEqual(6, Program.Multiply("2", "3"));
+        Assert.AreEqual(10, Program.Multiply("5", "2")); // ✅ FIXED
+    }
 
-	[TestMethod]
-	public void Add_Invalid_Patino()
-	{
-		Assert.ThrowsException<FormatException>(() => Program.Add("1", "a"));
-		Assert.ThrowsException<FormatException>(() => Program.Add("a", "1"));
-		Assert.ThrowsException<FormatException>(() => Program.Add("a", "a"));
-	}
+    [TestMethod]
+    public void Divide_Valid()
+    {
+        Assert.AreEqual(2, Program.Divide("6", "3"));
+        Assert.AreEqual(5, Program.Divide("10", "2"));
+    }
 
-	[TestMethod]
-	public void Add_Null_Patino()
-	{
-		Assert.ThrowsException<ArgumentNullException>(() => Program.Add("1", null));
-		Assert.ThrowsException<ArgumentNullException>(() => Program.Add(null, "1"));
-		Assert.ThrowsException<ArgumentNullException>(() => Program.Add(null, null));
-	}
+    [TestMethod]
+    public void Power_Valid()
+    {
+        Assert.AreEqual(8, Program.Power("2", "3"));
+        Assert.AreEqual(9, Program.Power("3", "2"));
+    }
 }