Add AoC 2025 project structure and first solutions

AoC_2025.Tests/Day02Test.cs

@@ -0,0 +1,46 @@
+using AdvenOfCode.Contracts;
+
+namespace AoC_2025.Tests;
+
+public class Day02Test
+{
+    private readonly IPuzzleSolver<long> _sut;
+    private const string TestInputPath = @"C:\Users\p01004051\Documents\AoC-PuzzleInputs\2025\Test\day02.txt";
+    private const string ProdInputPath = @"C:\Users\p01004051\Documents\AoC-PuzzleInputs\2025\Prod\day02.txt";
+    
+    public Day02Test()
+    {
+        _sut = new Day02();
+    }
+    [Fact]
+    public void Part01_Test_equals_1227775554()
+    {
+        var actual = _sut.SolvePart1(TestInputPath);
+        
+        Assert.Equal(1227775554, actual);
+    }
+    
+    [Fact]
+    public void Part01_Prod_equals_13919717792()
+    {
+        var actual = _sut.SolvePart1(ProdInputPath);
+        
+        Assert.Equal(13919717792, actual);
+    }
+    
+    [Fact]
+    public void Part02_Test_equals_4174379265()
+    {
+        var actual = _sut.SolvePart2(TestInputPath);
+        
+        Assert.Equal(4174379265, actual);
+    }
+    
+    [Fact]
+    public void Part02_Prod_equals_14582313461()
+    {
+        var actual = _sut.SolvePart2(ProdInputPath);
+        
+        Assert.Equal(14582313461, actual);
+    }
+}