/// <summary>
///Una prueba de GetPositionOnMatrixFromIndex
///</summary>
public void GetPositionOnMatrixFromIndexTestHelper <T>(int rowCount, int columnCount)
{
var matrix = new MatrixRotation.Matrix <int>(rowCount, columnCount);
for (int r = 0; r < matrix.RowCount; r++)
{
for (int c = 0; c < matrix.ColumnCount; c++)
{
matrix[r, c] = r * 10 + c;
}
}
int frameCount = Math.Min(matrix.RowCount, matrix.ColumnCount) / 2;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++)
{
var frame = Frame <int> .FromMatrix(matrix, frameIndex, 0);
var frameAccesor = new PrivateObject(frame);
var enumerable = new MatrixRotation.PositionOnMatrixFrameStyleEnumerable(matrix.RowCount, matrix.ColumnCount, frameIndex);
var i = 0;
foreach (MatrixRotation.PositionOnMatrix pos in enumerable)
{
MatrixRotation.PositionOnMatrix newPos = (MatrixRotation.PositionOnMatrix)frameAccesor.Invoke("GetPositionOnMatrixFromIndex", i);
Assert.AreEqual(pos.Row, newPos.Row, String.Format("Row.FrameIndex={1} Index={0}", i, frameIndex));
Assert.AreEqual(pos.Column, newPos.Column, String.Format("Column.FrameIndex={1} Index={0}", i, frameIndex));
i++;
}
}
}
private int GetIndexFromPositionOnMatrix(PositionOnMatrix pos)
{
if (IsOnFrameTop(pos))
{
return(pos.Column - _frameIndex);
}
if (IsOnFrameRight(pos))
{
return(_frameColumnCount - 1 + (pos.Row - _frameIndex));
}
if (IsOnFrameBottom(pos))
{
return((_frameColumnCount - 1) + (_frameRowCount - 1) + (_frameColumnCount - 1 + _frameIndex - pos.Column));
}
if (IsOnFrameLeft(pos))
{
return(2 * (_frameColumnCount - 1) + (_frameRowCount - 1) + (_frameRowCount - 1 + _frameIndex - pos.Row));
}
throw new ArgumentOutOfRangeException("Position", "La posición no está en el frame");
}
private bool IsOnFrameLeft(PositionOnMatrix pos)
{
return(pos.Column == _frameIndex);
}
private bool IsOnFrameBottom(PositionOnMatrix pos)
{
return(pos.Row == _rowCount - 1 - _frameIndex);
}
private bool IsOnFrameRight(PositionOnMatrix pos)
{
return(pos.Column == _columnCount - 1 - _frameIndex);
}
private bool IsOnFrameTop(PositionOnMatrix pos)
{
return(pos.Row == _frameIndex);
}