Added Test for the GetPlayerScore method

Qwirkle/TestBase/TestGame.cs

@@ -341,6 +341,39 @@ public class TestGame
 
     }
 
+    [Theory]
+    [InlineData(3, 1, 4, 1, 5, 1, 5)]
+    [InlineData(2, 2, 3, 2, 4, 2, 5)]
+    [InlineData(3, 1, 3, 2, 3, 3, 6)]
+    public void GetPlayerScore_ReturnsCorrectScore(int x1, int y1, int x2, int y2, int x3, int y3, int expectedScore)
+    {
+        var game = new Game();
+        var player = new Player("TestPlayer");
+        var board = new Board(8, 8);
+        
+        board.AddTileInCell(1, 1, new Tile(Shape.Club, Color.Red));
+        board.AddTileInCell(2, 1, new Tile(Shape.Square, Color.Red));
+        
+        var c1 = new Cell(x1, y1);
+        var c2 = new Cell(x2, y2);
+        var c3 = new Cell(x3, y3);
+
+        c1.SetTile(new Tile(Shape.Club, Color.Red));
+        c2.SetTile(new Tile(Shape.Square, Color.Red));
+        c3.SetTile(new Tile(Shape.Star, Color.Red));
+
+        var cellsPlayed = new List<Cell>
+        {
+            c1,
+            c2,
+            c3
+        }.AsReadOnly();
+
+        var score = game.GetPlayerScore(player, cellsPlayed, board);
+
+        Assert.Equal(expectedScore, score);
+    }
+    
     [Fact]
     public void Test_EndOfGame()
     {