public void Next_Call3TimesOnSeriesOf2Numbers_WrapsAroundAndReturnsFirstNumberAgain()
{
IRandom random = new KnownSeriesRandom( 1, 2 );
Assert.AreEqual( 1, random.Next( 2 ) );
Assert.AreEqual( 2, random.Next( 2 ) );
Assert.AreEqual( 1, random.Next( 2 ) );
}
public void Restore_AfterGeneratingThreeNumbers_RegeneratesSameThreeNumbers()
{
IRandom random = new KnownSeriesRandom( 1, 2, 3, 4, 5, 6 );
for ( int i = 0; i < 25; i++ )
{
random.Next( 6 );
}
RandomState state = random.Save();
int first = random.Next( 6 );
int second = random.Next( 6 );
int third = random.Next( 6 );
random.Restore( state );
Assert.AreEqual( first, random.Next( 6 ) );
Assert.AreEqual( second, random.Next( 6 ) );
Assert.AreEqual( third, random.Next( 6 ) );
}
public void Next_SeriesWith10AndMinValueOf11_ThrowsArgumentOutOfRangeException()
{
IRandom random = new KnownSeriesRandom( 10 );
random.Next( 11, 20 );
}
public void Next_SeriesWith10AndMaxValueOnly5_ThrowsArgumentOutOfRangeException()
{
IRandom random = new KnownSeriesRandom( 10 );
random.Next( 5 );
}
