UTests pass with Pathfinder2D

Gameboard.ShogiUI.UnitTests/BoardState/ShogiBoardShould.cs

@@ -75,7 +75,7 @@ namespace Gameboard.ShogiUI.UnitTests.BoardState
           To = new Vector2(0, 3)
         }
       };
-      var shogi = ShogiBoard.ConstructWithMoves(moves);
+      var shogi = new ShogiBoard(moves);
       shogi.Board[0, 2].Should().BeNull();
       shogi.Board[0, 3].WhichPiece.Should().Be(WhichPiece.Pawn);
     }
@@ -99,9 +99,9 @@ namespace Gameboard.ShogiUI.UnitTests.BoardState
     {
       var invalidLanceMove = new Move
       {
-        // Lance moving adjacent
-        From = new Vector2(0, 0),
-        To = new Vector2(1, 5)
+        // Bishop moving lateral
+        From = new Vector2(1, 1),
+        To = new Vector2(2, 1)
       };
 
       var shogi = new ShogiBoard();
@@ -177,16 +177,12 @@ namespace Gameboard.ShogiUI.UnitTests.BoardState
         // P1 Bishop puts P2 in check
         new Move { From = new Vector2(1, 1), To = new Vector2(6, 6) }
       };
-      var shogi = ShogiBoard.ConstructWithMoves(moves);
-      //foreach(var m in moves)
-      //{
-      //  shogi.Move(m);
-      //}
+      //var shogi = new ShogiBoard(moves);
+      var shogi = new ShogiBoard(moves);
 
       // Prerequisit
       shogi.InCheck.Should().Be(WhichPlayer.Player2);
 
-
       // Act - P2 moves Lance while remaining in check.
       var moveSuccess = shogi.Move(new Move { From = new Vector2(8, 8), To = new Vector2(8, 7) });
 
@@ -208,7 +204,8 @@ namespace Gameboard.ShogiUI.UnitTests.BoardState
         // P2 Pawn
         new Move { From = new Vector2(6, 6), To = new Vector2(6, 5) },
       };
-      var shogi = ShogiBoard.ConstructWithMoves(moves);
+      var shogi = new ShogiBoard(moves);
+      shogi.PrintStateAsAscii();
 
 
       // Act - P1 Bishop, check
@@ -229,7 +226,7 @@ namespace Gameboard.ShogiUI.UnitTests.BoardState
         // P2 Pawn
         new Move { From = new Vector2(6, 6), To = new Vector2(6, 5) }
       };
-      var shogi = ShogiBoard.ConstructWithMoves(moves);
+      var shogi = new ShogiBoard(moves);
 
       // Act - P1 Bishop captures P2 Bishop
       var moveSuccess = shogi.Move(new Move { From = new Vector2(1, 1), To = new Vector2(7, 7) });
@@ -275,7 +272,7 @@ namespace Gameboard.ShogiUI.UnitTests.BoardState
         // P2 Pawn
         new Move { From = new Vector2(6, 6), To = new Vector2(6, 5) }
       };
-      var shogi = ShogiBoard.ConstructWithMoves(moves);
+      var shogi = new ShogiBoard(moves);
 
       // Act - P1 moves across promote threshold.
       var moveSuccess = shogi.Move(new Move { From = new Vector2(1, 1), To = new Vector2(6, 6), IsPromotion = true });
@@ -313,7 +310,7 @@ namespace Gameboard.ShogiUI.UnitTests.BoardState
         // P2 King retreat
         new Move { From = new Vector2(4, 7), To = new Vector2(4, 8) },
       };
-      var shogi = ShogiBoard.ConstructWithMoves(moves);
+      var shogi = new ShogiBoard(moves);
 
       // Act - P1 Pawn wins by checkmate.
       var moveSuccess = shogi.Move(new Move { From = new Vector2(4, 6), To = new Vector2(4, 7) });

Gameboard.ShogiUI.UnitTests/PathFinding/PathFinder2DShould.cs

@@ -0,0 +1,46 @@
+using FluentAssertions;
+using Gameboard.ShogiUI.BoardState;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using PathFinding;
+using System.Collections.Generic;
+using System.Numerics;
+
+namespace Gameboard.ShogiUI.UnitTests.PathFinding
+{
+  [TestClass]
+  public class PathFinder2DShould
+  {
+    class TestElement : IPlanarElement
+    {
+      public ICollection<Path> GetPaths() => throw new System.NotImplementedException();
+      public bool IsUpsideDown => false;
+    }
+
+    [TestMethod]
+    public void Maths()
+    {
+      var finder = new PathFinder2D<TestElement>(new Array2D<TestElement>(5, 5));
+
+      var result = finder.IsPathable(
+        new Vector2(2, 2),
+        new Vector2(7, 7),
+        new Vector2(3, 3)
+        );
+      result.Should().BeTrue();
+
+      result = finder.IsPathable(
+        new Vector2(2, 2),
+        new Vector2(7, 7),
+        new Vector2(2, 2)
+        );
+      result.Should().BeFalse();
+
+      result = finder.IsPathable(
+        new Vector2(2, 2),
+        new Vector2(7, 7),
+        new Vector2(-1, 1)
+        );
+      result.Should().BeFalse();
+    }
+  }
+}