public void CalculateSumOfSquares_UsingLinq()
{
for (int i = 1; i < N; i++)
{
DifferenceOfSquares.CalculateSumOfSquares(i);
}
}
public void TestGetPairOfSquaresWithCriteria(int averageValue, int numSquaresTotal, bool shouldHaveValue)
{
var differenceOfSquaresUtility = new DifferenceOfSquares();
var squares = differenceOfSquaresUtility.GetPairOfSquaresWithCriteria(averageValue, numSquaresTotal);
if (!shouldHaveValue)
{
Assert.IsNull(squares);
return;
}
Assert.AreEqual(averageValue * numSquaresTotal, squares.LargerSquare - squares.SmallerSquare);
}
public static int CalculateDifferenceOfSquares(int max)
{
int DifSumSq = DifferenceOfSquares.CalculateSumOfSquares(max);
int DifSqSum = DifferenceOfSquares.CalculateSquareOfSum(max);
int DifSq = DifSqSum - DifSumSq;
// Console.WriteLine("Difference of squares: {0}", DifSq);
return(DifSq);
}
public void TestFindSquaresWhereDifferenceIs(int n)
{
var differenceOfSquaresUtility = new DifferenceOfSquares();
var squares = differenceOfSquaresUtility.FindSquaresWhereDifferenceIs(n).OrderBy(n => n.LargerSquare).ToArray();
var expectedSquares = expectedPairings[n].OrderBy(n => n.LargerSquare).ToArray();
Assert.AreEqual(expectedSquares.Length, squares.Length);
for (int i = 0; i < squares.Length; i++)
{
Assert.AreEqual(expectedSquares[i].LargerSquare, squares[i].LargerSquare);
Assert.AreEqual(expectedSquares[i].SmallerSquare, squares[i].SmallerSquare);
Assert.AreEqual(n, squares[i].LargerSquare - squares[i].SmallerSquare);
}
}
public void Square_of_sum_1()
{
Assert.Equal(1, DifferenceOfSquares.CalculateSquareOfSum(1));
}
public void Difference_of_squares_100()
{
Assert.Equal(25164150, DifferenceOfSquares.CalculateDifferenceOfSquares(100));
}
public void Difference_of_squares_5()
{
Assert.Equal(170, DifferenceOfSquares.CalculateDifferenceOfSquares(5));
}
public void Difference_of_squares_1()
{
Assert.Equal(0, DifferenceOfSquares.CalculateDifferenceOfSquares(1));
}
public void Sum_of_squares_100()
{
Assert.Equal(338350, DifferenceOfSquares.CalculateSumOfSquares(100));
}
public void Sum_of_squares_5()
{
Assert.Equal(55, DifferenceOfSquares.CalculateSumOfSquares(5));
}
public void Sum_of_squares_1()
{
Assert.Equal(1, DifferenceOfSquares.CalculateSumOfSquares(1));
}
public void Square_of_sum_100()
{
Assert.Equal(25502500, DifferenceOfSquares.CalculateSquareOfSum(100));
}
public void Square_of_sum_5()
{
Assert.Equal(225, DifferenceOfSquares.CalculateSquareOfSum(5));
}
