public void Ext_UInt_AddGet_BitsMax_InOut()
{
BVector d = new BVector();
uint value;
uint val;
uint expected;
uint maxVal = uint.MaxValue;
byte bits;
// add max values for 2-32 bits
for (int i = 0; i < 31; i++)
{
bits = (byte)(32 - i);
value = maxVal >> i;
// add max
d.Add(value, bits);
}
// add max values for 2-32 bits seperated by 1 bit
d.Add1(false);
for (int i = 0; i < 31; i++)
{
bits = (byte)(32 - i);
value = maxVal >> i;
// add max
d.Add(value, bits);
d.Add1(false);
}
BVector d2 = new BVector(d.ToBytes());
// get max values for 2-32 bits
for (int i = 0; i < 31; i++)
{
bits = (byte)(32 - i);
// get max
expected = maxVal >> i;
val = d2.GetUInt(bits);
Assert.AreEqual(expected, val);
}
// get max values for 2-32 bits seperated by 1 bit
Assert.AreEqual(false, d2.Get1());
for (int i = 0; i < 31; i++)
{
bits = (byte)(32 - i);
// get max
expected = maxVal >> i;
val = d2.GetUInt(bits);
Assert.AreEqual(expected, val);
Assert.AreEqual(false, d2.Get1());
}
}
public void Ext_UInt_Get_Exc_LessThan2Bits_Loopback()
{
BVector d = new BVector();
d.Add(0, 32);
d.GetUInt(1);
}
public void Ext_UInt_Get_Exc_MoreThan32Bits_Loopback()
{
BVector d = new BVector();
d.Add(0, 32);
d.GetUInt(33);
}
public void Ext_UInt_AddGet_Rnd_InOut()
{
int maxBits = 32;
int index = 0;
byte bits;
uint value;
uint expected;
const uint maxValue = uint.MaxValue;
uint rngMax;
var rnd = new CryptoRandom();
List <uint> values = new List <uint>();
// number of items to add per bit
int itemsCount = 1_000;
BVector d = new BVector();
for (int j = 2; j <= maxBits; j++)
{
rngMax = maxValue >> (maxBits - j);
bits = (byte)j;
for (int i = 0; i < itemsCount; i++)
{
// add positive
value = (uint)rnd.NextLong(rngMax);
d.Add(value, bits);
values.Add(value);
d.Add1(false);
}
}
BVector d2 = d;
for (int j = 2; j < maxBits; j++)
{
bits = (byte)j;
for (int i = 0; i < itemsCount; i++)
{
// read positive
value = d2.GetUInt(bits);
expected = values[index];
Assert.AreEqual(expected, value);
Assert.AreEqual(false, d2.Get1());
index++;
}
}
}