public void SudokuValidator_AllNumbersAreUnique_Test()
{
int size = 9;
int[] allUniqueNums = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
int[] nonUniqueNums = { 1, 1, 2, 3, 4, 5, 6, 7, 8 };
Assert.IsTrue(validator.allNumsAreUnique(allUniqueNums, size));
Assert.IsFalse(validator.allNumsAreUnique(nonUniqueNums, size));
}