public void SolveEquation_PositiveInfinity()
{
var input = new double[] { double.PositiveInfinity, double.PositiveInfinity, double.PositiveInfinity };
var shouldBe = new double[] { };
var reallyIs = StupidMaths.SolveEquaiton(input[0], input[1], input[2]);
CollectionAssert.AreEquivalent(shouldBe, reallyIs);
}
public void SolveEquation()
{
var input = new double[] { 0, 0, 0 };
var shouldBe = new double[] { };
var reallyIs = StupidMaths.SolveEquaiton(input[0], input[1], input[2]);
CollectionAssert.AreEquivalent(shouldBe, reallyIs);
}
public void SolveEquation_TwoDifferentRoots()
{
var input = new double[] { -1, -2, 15 };
var shouldBe = new double[] { 3, -5 };
var reallyIs = StupidMaths.SolveEquaiton(input[0], input[1], input[2]);
CollectionAssert.AreEquivalent(shouldBe, reallyIs);
}
public void SolveEquation_TwoOppositeRoots()
{
var input = new double[] { 1, 0, -1 };
var shouldBe = new double[] { 1, -1 };
var reallyIs = StupidMaths.SolveEquaiton(input[0], input[1], input[2]);
CollectionAssert.AreEquivalent(shouldBe, reallyIs);
}
public void SolveEquation_OneRealRoot()
{
var input = new double[] { 1, -Math.Sqrt(2) * 2, 2 };
var shouldBe = new double[] { Math.Sqrt(2) };
var reallyIs = StupidMaths.SolveEquaiton(input[0], input[1], input[2]);
CollectionAssert.AreEquivalent(shouldBe, reallyIs);
}
public void SolveEquation_OneNegativeRoot()
{
var input = new double[] { 1, 2, 1 };
var shouldBe = new double[] { -1 };
var reallyIs = StupidMaths.SolveEquaiton(input[0], input[1], input[2]);
CollectionAssert.AreEquivalent(shouldBe, reallyIs);
}
public void SolveEquation_NoRootsBigNumbers()
{
var input = new double[] { 1000000, 1, 1000000 };
var shouldBe = new double[] { };
var reallyIs = StupidMaths.SolveEquaiton(input[0], input[1], input[2]);
CollectionAssert.AreEquivalent(shouldBe, reallyIs);
}