1 files changed, 25 insertions, 0 deletions
diff --git a/tests/src/baseservices/threading/stress/sudoku/isudokuboard.cs b/tests/src/baseservices/threading/stress/sudoku/isudokuboard.cs
new file mode 100644
index 0000000000..101f4d1919
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+++ b/tests/src/baseservices/threading/stress/sudoku/isudokuboard.cs
@@ -0,0 +1,25 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+// Author: JeffSchw
+// Date:   2/21/2006
+
+//Interface for the Board
+//The Board returns pieces currently held, including the pieces that have been guessed so far. 
+
+using System;
+using System.Collections;
+
+public interface ISudokuBoard<T>
+
+{
+    int Dimension{get;} //Returns the Board dimension (since its always sq., only one value is returned)	                    
+    IEnumerable Tracer{get;}  //Trace functionality for debugging
+    bool PopulateBoard(T[,] rawData);  //Populates the Board with generated puzzle                     
+    T[]  GetRow(int xcoord); //Returns the Row values for given co-ords
+    T[]  GetCol(int ycoord); //Returns the Column values for given co-ords
+    T[]  GetShortRegion(int xcoord, int ycoord); //Returns the 3x3 matrix for given co-ords
+    bool SetValue(int xcoord, int ycoord, T value); //Sets Value for a given set of co-ordinates
+    T    GetValue(int xcoord, int ycoord); //Returns Value for a given set of co-ordinates
+    bool Clear(); //clears only user pieces
+}