public IEnumerable <IEnumerable <int> > Generate(int numberOfLevels, int maxNumber, bool subsequentOddEven)
{
var result = new List <List <int> >();
var oddEven = subsequentOddEven
? (_randomiser.RandomNextBool() ? Randomiser.OddEven.Even : Randomiser.OddEven.Odd)
: Randomiser.OddEven.Any;
for (int i = 0; i < numberOfLevels; i++)
{
var row = new List <int>();
for (int j = 0; j <= i; j++)
{
var value = _randomiser.RandomNextInt(maxNumber, oddEven);
row.Add(value);
}
result.Add(row);
oddEven = _randomiser.SwitchOddEven(oddEven);
}
return(result);
}
public void RandomNextIntReturnsExpectedValues(bool?oddEvenBoth, int maxNumber)
{
var count = 100;
var oddEven = oddEvenBoth == null ? OddEven.Any : (oddEvenBoth.Value ? OddEven.Odd: OddEven.Even);
var resultList = new List <int>();
while (count > 0)
{
var result = _sut.RandomNextInt(maxNumber, oddEven);
count--;
}
Assert.All(resultList, (x) => Assert.True(x <= maxNumber));
if (oddEven == OddEven.Even)
{
Assert.All(resultList, (x) => Assert.True(x % 2 == 0));
}
else if (oddEven == OddEven.Odd)
{
Assert.All(resultList, (x) => Assert.True(x % 2 == 1));
}
}
