public void InvalidNumberTests()
{
Assert.AreEqual("No solutions", HeadsAndLegs.Animals(25, 255));
Assert.AreEqual("No solutions", HeadsAndLegs.Animals(12, 25));
Assert.AreEqual("No solutions", HeadsAndLegs.Animals(54, 956));
Assert.AreEqual("No solutions", HeadsAndLegs.Animals(5455, 54956));
}
public void ValidNumberTests()
{
Assert.AreEqual(new int[] { 44, 28 }, HeadsAndLegs.Animals(72, 200));
Assert.AreEqual(new int[] { 91, 25 }, HeadsAndLegs.Animals(116, 282));
Assert.AreEqual(new int[] { 12, 0 }, HeadsAndLegs.Animals(12, 24));
Assert.AreEqual(new int[] { 0, 6 }, HeadsAndLegs.Animals(6, 24));
Assert.AreEqual(new int[] { 252, 92 }, HeadsAndLegs.Animals(344, 872));
Assert.AreEqual(new int[] { 8, 150 }, HeadsAndLegs.Animals(158, 616));
}
public void EdgeCasesTests()
{
Assert.AreEqual(new int[] { 0, 0 }, HeadsAndLegs.Animals(0, 0));
Assert.AreEqual("No solutions", HeadsAndLegs.Animals(-1, -1));
Assert.AreEqual("No solutions", HeadsAndLegs.Animals(-45, 5));
Assert.AreEqual("No solutions", HeadsAndLegs.Animals(500, 0));
Assert.AreEqual("No solutions", HeadsAndLegs.Animals(0, 500));
Assert.AreEqual("No solutions", HeadsAndLegs.Animals(5, -55));
}
