public void PowerOf2CeilingOfNegativeShouldReturn1()
{
Assert.AreEqual(1, Base2Math.PowerOf2Ceiling((sbyte)-10), "sbyte");
Assert.AreEqual(1, Base2Math.PowerOf2Ceiling((short)-10), "short");
Assert.AreEqual(1, Base2Math.PowerOf2Ceiling((int)-10), "int");
Assert.AreEqual(1, Base2Math.PowerOf2Ceiling((long)-10), "long");
}
public void PowerOf2CeilingOfMaxValueShouldReturn0()
{
Assert.AreEqual(0, Base2Math.PowerOf2Ceiling(byte.MaxValue), "byte");
Assert.AreEqual(0, Base2Math.PowerOf2Ceiling(sbyte.MaxValue), "sbyte");
Assert.AreEqual(0, Base2Math.PowerOf2Ceiling(ushort.MaxValue), "ushort");
Assert.AreEqual(0, Base2Math.PowerOf2Ceiling(short.MaxValue), "short");
Assert.AreEqual(0, Base2Math.PowerOf2Ceiling(uint.MaxValue), "uint");
Assert.AreEqual(0, Base2Math.PowerOf2Ceiling(int.MaxValue), "int");
Assert.AreEqual(0, Base2Math.PowerOf2Ceiling(ulong.MaxValue), "ulong");
Assert.AreEqual(0, Base2Math.PowerOf2Ceiling(long.MaxValue), "long");
Assert.AreEqual(UInt128.Zero, Base2Math.PowerOf2Ceiling(UInt128.MaxValue), "UInt128");
}
public void PowerOf2CeilingOf3ShouldReturn4()
{
Assert.AreEqual(4, Base2Math.PowerOf2Ceiling((byte)3), "byte");
Assert.AreEqual(4, Base2Math.PowerOf2Ceiling((sbyte)3), "sbyte");
Assert.AreEqual(4, Base2Math.PowerOf2Ceiling((ushort)3), "ushort");
Assert.AreEqual(4, Base2Math.PowerOf2Ceiling((short)3), "short");
Assert.AreEqual(4, Base2Math.PowerOf2Ceiling((uint)3), "uint");
Assert.AreEqual(4, Base2Math.PowerOf2Ceiling((int)3), "int");
Assert.AreEqual(4, Base2Math.PowerOf2Ceiling((ulong)3), "ulong");
Assert.AreEqual(4, Base2Math.PowerOf2Ceiling((long)3), "long");
Assert.AreEqual((UInt128)4, Base2Math.PowerOf2Ceiling((UInt128)3), "UInt128");
}
public void PowerOf2CeilingOf0ShouldReturn1()
{
Assert.AreEqual(1, Base2Math.PowerOf2Ceiling((byte)0), "byte");
Assert.AreEqual(1, Base2Math.PowerOf2Ceiling((sbyte)0), "sbyte");
Assert.AreEqual(1, Base2Math.PowerOf2Ceiling((ushort)0), "ushort");
Assert.AreEqual(1, Base2Math.PowerOf2Ceiling((short)0), "short");
Assert.AreEqual(1, Base2Math.PowerOf2Ceiling((uint)0), "uint");
Assert.AreEqual(1, Base2Math.PowerOf2Ceiling((int)0), "int");
Assert.AreEqual(1, Base2Math.PowerOf2Ceiling((ulong)0), "ulong");
Assert.AreEqual(1, Base2Math.PowerOf2Ceiling((long)0), "long");
Assert.AreEqual((UInt128)1, Base2Math.PowerOf2Ceiling((UInt128)0), "UInt128");
}
public void PowerOf2CeilingSignedByteShouldMatchWider()
{
sbyte v = sbyte.MinValue;
while (true)
{
sbyte expected = Base2Math.PowerOf2Ceiling(v);
Assert.AreEqual(expected, Base2Math.PowerOf2Ceiling((short)v), "short=>" + v);
Assert.AreEqual(expected, Base2Math.PowerOf2Ceiling((int)v), "int=>" + v);
Assert.AreEqual(expected, Base2Math.PowerOf2Ceiling((long)v), "long=>" + v);
if (v == sbyte.MaxValue >> 1)
{
break;
}
v++;
}
}
