/// <summary>
        /// RowDelta
        /// The change in Row (plus or minus) from one letter to the next
        /// given the direction of the word in the grid
        /// </summary>
        /// <param name="direction"></param>
        /// <returns></returns>
        public static int RowDelta(this DirectionFlagsEnum direction)
        {
            if ((direction & DirectionFlagsEnum.Up) != 0)
            {
                return(-1);
            }
            else if ((direction & DirectionFlagsEnum.Down) != 0)
            {
                return(1);
            }

            return(0);
        }
        /// <summary>
        /// ColumnDelta
        /// The change in Column (plus or minus) from one letter to the next
        /// given the direction of the word in the grid
        /// </summary>
        /// <param name="direction"></param>
        /// <returns></returns>
        public static int ColumnDelta(this DirectionFlagsEnum direction)
        {
            if ((direction & DirectionFlagsEnum.Left) != 0)
            {
                return(-1);
            }
            else if ((direction & DirectionFlagsEnum.Right) != 0)
            {
                return(1);
            }

            return(0);
        }
コード例 #3
0
        public void IsPlacementValid_WordCrossesAnotherWord_Various(char[,] grid,
                                                                    int row,
                                                                    int column,
                                                                    string word,
                                                                    DirectionFlagsEnum direction,
                                                                    bool expectedResult)
        {
            var hiddenWord = new HiddenWord()
            {
                Start     = new GridLocation(row, column),
                Word      = word,
                Direction = direction
            };
            var result = PlacementValidator.IsWordPlacementValid(grid, hiddenWord);

            Assert.Equal(result, expectedResult);
        }
コード例 #4
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        [InlineData(20, 1, "abcdefghijklmnopqrst", DirectionFlagsEnum.UpRight, true)]  // Max size word fits in DownRight
        public void IsPlacementValid_MaxWordSize_Various(int row,
                                                         int column,
                                                         string word,
                                                         DirectionFlagsEnum direction,
                                                         bool expectedResult)
        {
            var grid       = new char[20, 20];
            var hiddenWord = new HiddenWord()
            {
                Start     = new GridLocation(row, column),
                Word      = word,
                Direction = direction
            };
            var result = PlacementValidator.IsWordPlacementValid(grid, hiddenWord);

            Assert.Equal(result, expectedResult);
        }
コード例 #5
0
        /// <summary>
        /// GetNextLetterGridLocation
        /// Return GridLocation where next character will be placed
        /// </summary>
        /// <param name="gridLocation"></param>
        /// <param name="direction"></param>
        /// <returns></returns>
        public static GridLocation GetNextLetterGridLocation(GridLocation gridLocation, DirectionFlagsEnum direction)
        {
            var newRow    = gridLocation.Row + direction.RowDelta();
            var newColumn = gridLocation.Column + direction.ColumnDelta();

            return(new GridLocation(newRow, newColumn));
        }