public void SumExtensionMethod_ComputeSumOfTwoDiagonalMatrices()
{
int[] testArray = { 4, 6, 2 };
var matrix = new DiagonalMatrix<int>(testArray);
var other = new DiagonalMatrix<int>(testArray);
var actualResult = matrix.Sum(other, (m, n) => m + n);
int[][] expectedArray =
{
new[] { 8, 0, 0 },
new[] { 0, 12, 0 },
new[] { 0, 0, 4 }
};
var expectedResult = new SquareMatrix<int>(expectedArray);
for (int i = 0; i < matrix.Order; i++)
{
for (int j = 0; j < matrix.Order; j++)
{
Assert.AreEqual(expectedResult[i, j], actualResult[i, j]);
}
}
}
public void DiagonalMatrixSumTest()
{
int[] array = new int[] { 1, 2 };
int[] ex = new int[] { 2, 4 };
DiagonalMatrix <int> expected = new DiagonalMatrix <int>(ex);
DiagonalMatrix <int> actual = new DiagonalMatrix <int>(array);
Assert.AreEqual(expected, actual.Sum(actual));
}
public void Sum()
{
var matrix = new DiagonalMatrix <int>(1, 0, 0, 0, 5, 0, 0, 0, 9);
var actual = matrix.Sum(matrix);
foreach (var variable in actual)
{
Console.WriteLine(variable);
}
}
public void SumMatrix()
{
// arrange
int[,] expected =
{
{ 4, 5, 3 },
{ 5, 7, 1 },
{ 3, 1, 5 }
};
int[] arrayDiagonal = new int[]
{
2,
5,
3
};
int[] arraySymmetrical = new int[]
{
2, 5, 3,
2, 1,
2
};
int length = 3;
Func <int, int, int> func = (firstElement, secondElement) => firstElement + secondElement;
// act
SquareMatrix <int> diagonal = new DiagonalMatrix <int>(arrayDiagonal, func);
SquareMatrix <int> symmetric = new SymmetricalMatrix <int>(arraySymmetrical, length, func);
// assert
SquareMatrix <int> squareMatrix = diagonal.Sum(symmetric);
for (int i = 0; i < length; i++)
{
for (int j = 0; j < length; j++)
{
Assert.AreEqual(expected[i, j], squareMatrix[i, j]);
}
}
}
