public void Add_TwoSymmetricalMatrices_ReturnSymmetricalMatrix()
{
var matrix = new int[, ]
{
{ 11, 2, -8 },
{ 2, 2, 10 },
{ -8, 10, 5 }
};
var first = new SymmetricalMatrix <int>(matrix);
var second = new SymmetricalMatrix <int>(matrix);
var result = first.Add(second);
var expectedValues = new int[, ]
{
{ 22, 4, -16 },
{ 4, 4, 20 },
{ -16, 20, 10 }
};
for (int i = 0; i < result.Size; i++)
{
for (int j = 0; j < result.Size; j++)
{
Assert.AreEqual(expectedValues[i, j], result[i, j]);
}
}
}
public string[,] AddTestString(string[,] elements)
{
var lhs = new SymmetricalMatrix <string>(elements);
var rhs = new SymmetricalMatrix <string>(elements);
lhs = lhs.Add(rhs) as SymmetricalMatrix <string>;
return(lhs?.ToArray());
}
public int[,] AddTestInt(int[,] elements)
{
var lhs = new SymmetricalMatrix <int>(elements);
var rhs = new SymmetricalMatrix <int>(elements);
lhs = lhs.Add(rhs) as SymmetricalMatrix <int>;
return(lhs?.ToArray());
}
public int[,] AddDiagonalAndSymmetricalTestInt(int[,] elements)
{
var lhs = new DiagonalMatrix <int>(elements);
var rhs = new SymmetricalMatrix <int>(elements);
rhs = rhs.Add(lhs) as SymmetricalMatrix <int>;
return(rhs?.ToArray());
}
public void Add_SymmetricalAddToSymmetricalMatrixTests(SymmetricalMatrix <int> firstMatrix, SymmetricalMatrix <int> secondMatrix, SymmetricalMatrix <int> expectedMatrix)
{
SymmetricalMatrix <int> result = firstMatrix.Add(secondMatrix);
for (int i = 0; i < result.Order; i++)
{
for (int j = 0; j < result.Order; j++)
{
Assert.AreEqual(expectedMatrix[i, j], result[i, j]);
}
}
}
