public void GetHashCode_DifferentPolynomials_DifferentHashCodes()
{
var p1 = new Polynomial.Polynomial(new double[] { 1, 2, 3 });
var p2 = new Polynomial.Polynomial(new double[] { 1, 2, 0 });
Assert.AreNotEqual(p1.GetHashCode(), p2.GetHashCode());
}
public void Calculate(object obj)
{
try
{
var polynomial1 = new Polynomial.Polynomial(new List <double> {
A1, B1, C1
});
var polynomial2 = new Polynomial.Polynomial(new List <double> {
A2, B2, C2
});
Polynomial1 = PolynomialInfo(polynomial1, D1, X1);
Polynomial2 = PolynomialInfo(polynomial2, D2, X2);
Output = OutputInfo(polynomial1, polynomial2);
OnPropertyChanged(nameof(Polynomial1));
OnPropertyChanged(nameof(Polynomial2));
OnPropertyChanged(nameof(Output));
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
}
}
public void Substract_ValidData_ValidResult(double[] coefficents1, double[] coefficents2, double[] expectedResult)
{
var p1 = new Polynomial.Polynomial(coefficents1);
var p2 = new Polynomial.Polynomial(coefficents2);
var result = p1.Subtract(p2);
CollectionAssert.AreEqual(result.Coefficients, expectedResult);
}
public void Multiply_ValidData_Compositoin(double[] coefficents1, double[] coefficents2, double[] expectedResult)
{
var p1 = new Polynomial.Polynomial(coefficents1);
var p2 = new Polynomial.Polynomial(coefficents2);
var result = p1.Multiply(p2);
CollectionAssert.AreEqual(result.Coefficients, expectedResult);
}
public void EqualsPol_PolEquals_RetrunsTrue()
{
double[] arr = { 12.34, 12.1 };
Polynomial.Polynomial ob1 = new Polynomial.Polynomial(arr);
Polynomial.Polynomial ob2 = ob1;
Assert.True(ob1.Equals(ob2));
}
public void MinusOperator_ValidData_ValidResult(double[] coefficents1, double[] coefficents2, double[] expectedResult)
{
var p1 = new Polynomial.Polynomial(coefficents1);
var p2 = new Polynomial.Polynomial(coefficents2);
var result = p1 - p2;
CollectionAssert.AreEqual(result.Coefficients, expectedResult);
}
public void Add_ValidData_Sum(double[] coefficents1, double[] coefficents2, double[] expectedResult)
{
var p1 = new Polynomial.Polynomial(coefficents1);
var p2 = new Polynomial.Polynomial(coefficents2);
var result = p1.Add(p2);
CollectionAssert.AreEqual(result.Coefficients, expectedResult);
}
public void Equals_NullParameter_False()
{
var p1 = new Polynomial.Polynomial(new double[] { 1 });
Polynomial.Polynomial p2 = null;
Assert.That(p1.Equals(p2), Is.False);
Assert.That(p1.Equals((object)p2), Is.False);
}
public void Indexer_Pass4_Returns2ndCoefficient()
{
double[] arr = { 5.0, 4.0, 3.0, 2.0 };
Polynomial.Polynomial pol = new Polynomial.Polynomial(arr);
double expetedRes = 4.0;
double res = pol[1];
Assert.AreEqual(expetedRes, res);
}
private string PolynomialInfo(Polynomial.Polynomial polynomial, double D, double x)
{
var result = new StringBuilder();
result.Append($"f(x) = {polynomial}\n\n");
result.Append($"f({x}) = {polynomial.GetSolution(x)}\n\n");
result.Append($"f'(x) = {polynomial.Derivative()}\n\n");
result.Append($"({polynomial}) * {D} = {polynomial * D}\n");
return(result.ToString());
}
private string OutputInfo(Polynomial.Polynomial polynomial1, Polynomial.Polynomial polynomial2)
{
var output = new StringBuilder();
output.Append($"{polynomial1} + {polynomial2} = {polynomial1 + polynomial2}\n");
output.Append($"{polynomial1} - {polynomial2} = {polynomial1 - polynomial2}\n\n");
//output.Append($"The angle between the vectors: {Vector3D.Angle(polynomial1, polynomial2)}\n");
//output.Append($"Scalar product of vectors: {Vector3D.ScalarProduct(polynomial1, polynomial2)}");
return(output.ToString());
}
public void Equals_SamePolynomials_True(double[] coefficients1, double[] coefficients2)
{
var p1 = new Polynomial.Polynomial(coefficients1);
var p2 = new Polynomial.Polynomial(coefficients2);
Assert.That(p1.Equals(p2), Is.True);
Assert.That(p1.Equals((object)p2), Is.True);
Assert.That(p2.Equals(p1), Is.True);
Assert.That(p1 == p2, Is.True);
}
public void CalculateSum_5CoefficientsAndNum2_Returns129()
{
double[] coeffs = { 7.0, 5.0, 3.0, 1.0 };
Polynomial.Polynomial pol = new Polynomial.Polynomial(coeffs);
double expectedResult = 83;
//7*2^3 + 5*2^2 + 3*2^1 + 1*2^0 = 56+20+6+1=83
double res = pol.CalculateSum(2);
Assert.AreEqual(expectedResult, res);
}
public void OperatorPlus_TwoPolynomial_ReturnsPolynomial()
{
double[] arr1 = { 12.5, 13.0, 13.5 };
double[] arr2 = { 7.5, 7.0 };
double[] expectedArr = { 20, 20, 13.5 };
Polynomial.Polynomial pol1 = new Polynomial.Polynomial(arr1);
Polynomial.Polynomial pol2 = new Polynomial.Polynomial(arr2);
Polynomial.Polynomial expectedPol = new Polynomial.Polynomial(expectedArr);
Polynomial.Polynomial resPol = pol1 + pol2;
Assert.True(expectedPol == resPol);
}
public void OperatorMultiply_TwoPolynomial_ReturnsPolynomial()
{
double[] arr1 = { -3, -2, -1 };
double[] arr2 = { -1, -2, -4 };
double[] expectedArr = { 3, 8, 17, 10, 4 };
Polynomial.Polynomial pol1 = new Polynomial.Polynomial(arr1);
Polynomial.Polynomial pol2 = new Polynomial.Polynomial(arr2);
Polynomial.Polynomial expectedPol = new Polynomial.Polynomial(expectedArr);
Polynomial.Polynomial resPol = pol1 * pol2;
Assert.True(expectedPol == resPol);
}
public void Degree_Polynomial_DegreeOfPolynomial(double[] coefficients, int expectedResult)
{
var p = new Polynomial.Polynomial(coefficients);
Assert.That(p.Degree, Is.EqualTo(expectedResult));
}
public static void ToString_ValidData_StringReprezentation(double[] coefficients, string expectedResult)
{
var p = new Polynomial.Polynomial(coefficients);
Assert.That(p.ToString(), Is.EqualTo(expectedResult));
}
