public void LongN_AddGet_BitsMinMax_Sequence_Loopback()
{
int maxBits = 64;
List <long?> values = new List <long?>();
BVector d = new BVector();
long? positiveValue;
long? negativeValue;
long? actualValue;
long? nullValue = null;
int index;
long? expected;
long? maxVal = long.MaxValue;
byte bits;
// add min and max values for 2-64 bits
for (int i = 0; i < (maxBits - 1); i++)
{
bits = (byte)(maxBits - i);
positiveValue = maxVal >> i;
negativeValue = -positiveValue - 1;
// add positive
d.Add(positiveValue, bits);
values.Add(positiveValue);
// add null
d.Add(nullValue, bits);
values.Add(nullValue);
// add negative
d.Add(negativeValue, bits);
values.Add(negativeValue);
}
// get min and max values for 2-64 bits
index = 0;
for (int i = 0; i < (maxBits - 1); i++)
{
bits = (byte)(maxBits - i);
// get positive
expected = values[index++];
actualValue = d.GetLongN(bits);
Assert.AreEqual(expected, actualValue);
// get null
expected = values[index++];
actualValue = d.GetLongN(bits);
Assert.AreEqual(expected, actualValue);
// get negative
expected = values[index++];
actualValue = d.GetLongN(bits);
Assert.AreEqual(expected, actualValue);
}
}
public void LongN_Get_Exc_MoreThan64Bits_Loopback()
{
BVector d = new BVector();
d.Add((long?)0, 32);
d.GetLongN(65);
}
public void LongN_Get_Exc_LessThan2Bits_Loopback()
{
BVector d = new BVector();
d.Add((long?)0, 32);
d.GetLongN(1);
}
public void LongN_AddGet_Rnd_Sequence_Loopback()
{
int maxBits = 64;
List <long?> values = new List <long?>();
BVector d = new BVector();
long? actualValue;
int index;
long? expected;
long? maxVal = long.MaxValue;
byte bits;
var rnd = new CryptoRandom();
int itemsPerBit = 10000;
long? value;
long tmp;
// add random values for 2-64 bits
for (int j = 0; j < itemsPerBit; j++)
{
for (int i = 0; i < (maxBits - 2); i++)
{
bits = (byte)(maxBits - i);
tmp = maxVal.Value >> (i + 1);
// add random value
value = rnd.NextLong(-tmp - 1, tmp);
values.Add(value);
d.Add(value, bits);
}
}
// get values for 2-64 bits
index = 0;
for (int j = 0; j < itemsPerBit; j++)
{
for (int i = 0; i < (maxBits - 2); i++)
{
bits = (byte)(maxBits - i);
// get value
expected = values[index];
actualValue = d.GetLongN(bits);
Assert.AreEqual(expected, actualValue);
index++;
}
}
}
/// <summary>
/// Reads the next random value added by <see cref="WriteRandomValue(BVector)"/>
/// </summary>
/// <param name="d"></param>
/// <returns></returns>
public static object ReadNextRandomValue(BVector d)
{
bool nullable = d.Get1();
byte valueType = d.Get8();
switch (valueType)
{
case 0:
if (nullable)
{
return(d.GetIntN());
}
return(d.GetInt());
case 1:
if (nullable)
{
return(d.GetLongN());
}
return(d.GetLong());
case 2:
if (nullable)
{
return(d.GetShortN());
}
return(d.GetShort());
case 3:
if (nullable)
{
return(d.GetByteN());
}
return(d.GetByte());
case 4:
return(d.GetString());
case 5:
return(d.GetAscii());
case 6:
if (nullable)
{
return(d.GetDateTimeN());
}
return(d.GetDateTime());
case 7:
if (nullable)
{
return(d.GetDecimalN());
}
return(d.GetDecimal());
case 8:
if (nullable)
{
return(d.GetDoubleN());
}
return(d.GetDouble());
case 9:
return(d.Get1());
case 10:
return(d.GetTimeSpan());
case 11:
return(d.GetByteArray());
}
return(null);
}
