public void one_result_equation()
{
var equation = new QuadraticEquation(4, 4, 1);
equation.ResultType.ShouldEqual(QuadraticEquationResultType.OneResult);
equation.FirstResult.ShouldEqual(-0.5);
Assert.Throws<MathException>(() => equation.SecondResult);
}
public void two_results_equation()
{
var equation = new QuadraticEquation(-2, 3, -1);
equation.ResultType.ShouldEqual(QuadraticEquationResultType.TwoResults);
equation.FirstResult.ShouldEqual(0.5);
equation.SecondResult.ShouldEqual(1);
}
public void no_result_equation()
{
var equation = new QuadraticEquation(1, 2, 4);
equation.ResultType.ShouldEqual(QuadraticEquationResultType.NoResults);
Assert.Throws<MathException>(() => equation.FirstResult);
Assert.Throws<MathException>(() => equation.SecondResult);
}
