public void NextFloatNonZero_Max()
{
var rng = new ConstantRandomSource(ulong.MaxValue);
double x = rng.NextFloatNonZero();
Assert.Equal(1f, x);
}
public void NextDoubleNonZero_Min()
{
var rng = new ConstantRandomSource(0UL);
double x = rng.NextDoubleNonZero();
Assert.Equal(INCR_DOUBLE, x);
}
public void NextUInt_MinVal()
{
var rng = new ConstantRandomSource(0UL);
uint x = rng.NextUInt();
Assert.Equal(0u, x);
}
public void NextFloatNonZero_Min()
{
var rng = new ConstantRandomSource(0UL);
double x = rng.NextFloatNonZero();
Assert.Equal(INCR_FLOAT, x);
}
public void NextByte_MaxVal()
{
var rng = new ConstantRandomSource(0xFFUL << 56);
byte x = rng.NextByte();
Assert.Equal(255, x);
}
public void NextFloat_MinVal()
{
var rng = new ConstantRandomSource(0UL);
float x = rng.NextFloat();
Assert.Equal(0f, x);
}
public void NextBool_False()
{
var rng = new ConstantRandomSource(0UL);
bool x = rng.NextBool();
Assert.False(x);
}
public void NextByte_MinVal()
{
var rng = new ConstantRandomSource(0UL);
byte x = rng.NextByte();
Assert.Equal(0, x);
}
public void NextULong_MaxVal()
{
var rng = new ConstantRandomSource(ulong.MaxValue);
ulong x = rng.NextULong();
Assert.Equal(ulong.MaxValue, x);
}
public void NextULong_MinVal()
{
var rng = new ConstantRandomSource(0UL);
ulong x = rng.NextULong();
Assert.Equal(0UL, x);
}
public void NextUInt_MaxVal()
{
var rng = new ConstantRandomSource(ulong.MaxValue);
uint x = rng.NextUInt();
Assert.Equal(uint.MaxValue, x);
}
public void NextDoubleHighRes_Max()
{
var rng = new ConstantRandomSource(ulong.MaxValue);
double x = rng.NextDoubleHighRes();
Assert.Equal(1.0, x);
}
public void NextFloat_MaxVal()
{
var rng = new ConstantRandomSource(ulong.MaxValue);
float x = rng.NextFloat();
Assert.Equal(1.0 - INCR_FLOAT, x);
}
public void NextDouble_MinVal()
{
var rng = new ConstantRandomSource(0UL);
double x = rng.NextDouble();
Assert.Equal(0.0, x);
}
public void NextDouble_MaxVal()
{
var rng = new ConstantRandomSource(ulong.MaxValue);
double x = rng.NextDouble();
Assert.Equal(1.0 - INCR_DOUBLE, x);
}
public void NextMinMax_MinVal()
{
var rng = new ConstantRandomSource(0UL);
int x = rng.Next(123, 1_234_567);
Assert.Equal(123, x);
}
public void NextMax_MaxVal()
{
const int max = 1_234_567;
var rng = new ConstantRandomSource(((ulong)(max - 1)) << 43);
int x = rng.Next(max);
Assert.Equal(max - 1, x);
}
public void NextMinMax_LongRange_MinVal()
{
const int maxValHalf = int.MaxValue / 2;
const int lowerBound = -maxValHalf;
const int upperBound = maxValHalf + 123;
var rng = new ConstantRandomSource(0UL);
int x = rng.Next(lowerBound, upperBound);
Assert.Equal(lowerBound, x);
}