public void CalculateOriginalPixelIndexFromOriginalImageRowCol_n1_1_Returnsn1()
{
//Arrange
int originalWidth = 2;
int originalHeight = 2;
int targetWidth = 4;
int targetHeight = 4;
int col = -1;
int row = 1;
int expectedIndex = -1;
ArrayIndexTransformer arrayIndexTransformer = new ArrayIndexTransformer(originalWidth, originalHeight, targetWidth, targetHeight);
//Action
int indexInTargetArray = arrayIndexTransformer.CalculateOriginalPixelIndexFromOriginalImageRowCol(col, row);
//Assert
Assert.AreEqual(expectedIndex, indexInTargetArray, "Index in target Array");
}
public void CalculateTargetPixelCoordinateToIndex_Row1Col1_Returns4()
{
//Arrange
int originalWidth = 1;
int originalHeight = 1;
int targetWidth = 3;
int targetHeight = 3;
int row = 1;
int col = 1;
int expectedIndex = 4;
ArrayIndexTransformer arrayIndexTransformer = new ArrayIndexTransformer(originalWidth, originalHeight, targetWidth, targetHeight);
//Action
int indexInTargetArray = arrayIndexTransformer.CalculateTargetPixelCoordinateToIndex(row, col);
//Assert
Assert.AreEqual(expectedIndex, indexInTargetArray, "Index in target Array");
}
public void TransformTargetImageCoordinatesToOriginalCoordinates_Transform_2_1From4x4To2x2Array_Return_1_0()
{
//Arrange
int originalWidth = 2;
int originalHeight = 2;
int targetWidth = 4;
int targetHeight = 4;
int colInTargetArray = 2;
int rowInTargetArray = 1;
int expectedColCoordinate = 1;
int expectedRowCoordinate = 0;
Vector2Int expectedOriginalCoordinate = new Vector2Int(expectedColCoordinate, expectedRowCoordinate);
ArrayIndexTransformer arrayIndexTransformer = new ArrayIndexTransformer(originalWidth, originalHeight, targetWidth, targetHeight);
//Action
Vector2Int coordinatesInOriginalArray = arrayIndexTransformer.TransformTargetImageCoordinatesToOriginalCoordinates(colInTargetArray, rowInTargetArray);
//Assert
Assert.AreEqual(expectedOriginalCoordinate, coordinatesInOriginalArray, "Transformed index of target array in source array");
}
public void TransformTargetImageCoordinatesToOriginalCoordinates_Transform_0_0From3x3To1x1Array_Returns_n1_n1()
{
//Arrange
int originalWidth = 1;
int originalHeight = 1;
int targetWidth = 3;
int targetHeight = 3;
int colInTargetArray = 0;
int rowInTargetArray = 0;
int expectedColCoordinate = -1;
int expectedRowCoordinate = -1;
Vector2Int expectedOriginalCoordinate = new Vector2Int(expectedColCoordinate, expectedRowCoordinate);
ArrayIndexTransformer arrayIndexTransformer = new ArrayIndexTransformer(originalWidth, originalHeight, targetWidth, targetHeight);
//Action
Vector2Int coordinatesInOriginalArray = arrayIndexTransformer.TransformTargetImageCoordinatesToOriginalCoordinates(colInTargetArray, rowInTargetArray);
//Assert
Assert.AreEqual(expectedOriginalCoordinate, coordinatesInOriginalArray, "Transformed index of target array in source array");
}