public void RandomInvBigNumbersTest()
{
Random r = new Random();
for (int i = 0; i < 20; i++)
{
long n = (long)(r.NextDouble() * 999999999999999L);
Assert.AreEqual(MysteryInv(n), MysteryFunction.MysteryInv(n), $"mysteryInv({n})");
}
}
public void MysteryInvTest()
{
Assert.AreEqual(6, MysteryFunction.MysteryInv(5), "mysteryInv(5)");
Assert.AreEqual(9, MysteryFunction.MysteryInv(13), "mysteryInv(13)");
Assert.AreEqual(19, MysteryFunction.MysteryInv(26), "mysteryInv(26)");
int x = 10;
Assert.AreEqual((int)Math.Pow(2, x + 1) - 1, MysteryFunction.MysteryInv((int)Math.Pow(2, x)), string.Format("mysteryInv({0}) ", (int)Math.Pow(2, x)));
Assert.AreEqual(50320920207254, MysteryFunction.MysteryInv(65036019806301), "mysteryInv(65036019806301)");
}
public void RandomInvSmallNumbersTest()
{
Random r = new Random();
for (int i = 0; i < 20; i++)
{
long n = r.Next(1000);
Assert.AreEqual(MysteryInv(n), MysteryFunction.MysteryInv(n), $"mysteryInv({n})");
}
}
public void MysteryTest()
{
Assert.AreEqual(5, MysteryFunction.Mystery(6), "mystery(6) ");
Assert.AreEqual(13, MysteryFunction.Mystery(9), "mystery(9) ");
Assert.AreEqual(26, MysteryFunction.Mystery(19), "mystery(19) ");
int x = 10;
Assert.AreEqual((int)Math.Pow(2, x), MysteryFunction.Mystery((int)Math.Pow(2, x + 1) - 1), string.Format("mystery({0}) ", (int)Math.Pow(2, x + 1) - 1));
Assert.AreEqual(41058636170415, MysteryFunction.Mystery(63337240397621), "mystery(63337240397621) ");
}
public void FunctionNameTest()
{
Random r = new Random();
for (int i = 0; i < 5; i++)
{
long n = r.Next(1000);
Assert.AreEqual((n ^ (n >> 1)), MysteryFunction.Mystery(n), "No,no,no! Find the function before you can see it in the tests ;)");
}
Assert.AreEqual("gray code", MysteryFunction.NameOfMystery().ToLower());
}
