public void Test__SystemRng__NextMinMaxValue02__ExpectException()
{
const int minValue = 2;
const int maxValue = 1;
IPsuedoRandomNumberGenerator generator = Factory.SystemRngPump.NewInstance();
Assert.Throws <ArgumentOutOfRangeException>(() => generator.Next(minValue, maxValue));
}
public void Test__SystemRng__NextMaxValue04__ExpectLessThan()
{
const int maxValue = int.MaxValue;
IPsuedoRandomNumberGenerator generator = Factory.SystemRngPump.NewInstance();
var actual = generator.Next(maxValue);
Assert.IsNotNull(actual);
Assert.IsTrue(actual < maxValue);
}
public void Test__SystemRng__NextMaxValue__ExpectAreEqual()
{
const int maxValue = 0;
IPsuedoRandomNumberGenerator generator = Factory.SystemRngPump.NewInstance();
var actual = generator.Next(maxValue);
Assert.IsNotNull(actual);
Assert.AreEqual(actual, maxValue);
}
public void Test__SystemRng__NextMinMaxValue05__ExpectRange()
{
const int minValue = -1;
const int maxValue = 1;
IPsuedoRandomNumberGenerator generator = Factory.SystemRngPump.NewInstance();
var actual = generator.Next(minValue, maxValue);
Assert.IsNotNull(actual);
Assert.IsTrue(actual < maxValue);
Assert.IsTrue(actual >= minValue);
}
public void Test__SystemRng__Next__ExpectSomeIntegerValues()
{
const int numGenerations = 1000000; // test one meellion iterations
IPsuedoRandomNumberGenerator generator = Factory.SystemRngPump.NewInstance();
for (var i = 0; i < numGenerations; i++)
{
var actual = generator.Next();
Assert.IsNotNull(actual);
Assert.IsTrue(actual >= 0);
Assert.IsTrue(actual < int.MaxValue);
}
}
public void Test__SystemRng__NextMaxValue01__ExpectException()
{
IPsuedoRandomNumberGenerator generator = Factory.SystemRngPump.NewInstance();
Assert.Throws <ArgumentOutOfRangeException>(() => generator.Next(-1));
}