public void Build_PolynomialHas1Coefficient_CorrectResultReturned()
{
var polynomialBuilder = new PolynomialBuilder();
var res = polynomialBuilder.Build("x^3");
var expectedResult = new Polynomial(new List <double> {
0, 0, 0, 1
});
Assert.AreEqual(expectedResult, res);
}
public void Build_PolynomialHasCoefficientsLessThen0_CorrectResultReturned()
{
var polynomialBuilder = new PolynomialBuilder();
var res = polynomialBuilder.Build("-x^4-x^2-x");
var expectedResult = new Polynomial(new List <double> {
0, -1, -1, 0, -1
});
Assert.AreEqual(expectedResult, res);
}
public void Build_Polynomial_CorrectResultReturned()
{
var polynomialBuilder = new PolynomialBuilder();
var res = polynomialBuilder.Build("4x^3+5x^2+3x+2");
var expected = new Polynomial(new List <double> {
2, 3, 5, 4
});
Assert.AreEqual(expected, res);
}