public void VariableIsZero_Calculate_ResultMustBeNumber()
{
var coefficientsLinearFunction = new LinearFunction(-3.1, 2.1);
Assert.AreEqual(coefficientsLinearFunction.Calculate(0), 2.1, 0.1);
}
public void TwoArgumentsAreZero_Calculate_ResultMustBeZero()
{
var coefficientsLinearFunction = new LinearFunction(0, 0);
Assert.Zero(coefficientsLinearFunction.Calculate(2));
}
public void VariableIsNegative_Calculate_ResultMustBeNumber()
{
var coefficientsLinearFunction = new LinearFunction(3.6, 2.9);
Assert.AreEqual(coefficientsLinearFunction.Calculate(-2), -4.3, 0.1);
}
