public void Test_valid_values_for_ulong()
{
foreach (uint i in TwoPowers)
{
Assert.IsTrue(IntegerUtil.IsPowerOfTwo((ulong)i), String.Format("{0} is not a power of two!", i));
}
}
public void Test_negative_values()
{
Random rng = new Random(12345678);
for (int i = 0; i != 2000000; ++i)
{
int v = rng.Next(int.MinValue, 0);
Assert.IsFalse(IntegerUtil.IsPowerOfTwo(v), String.Format("{0} is a power of two!", v));
}
}
public void Test_some_invalid_values()
{
Random rng = new Random(12345678);
for (int i = 0; i != 100000; ++i)
{
int v = rng.Next();
if (!TwoPowers.Contains((uint)v))
{
Assert.IsFalse(IntegerUtil.IsPowerOfTwo(v));
}
}
}