public void WhenNumbersContainsMoreThanItem_AndMoreThanOneItemIsTop_ReturnsAllItems_AndCount()
{
var numbers = new List <int> {
7, 5, 7, 4, 5, 5, 7
};
var result = TopRepeatedNumber.FindIn(numbers);
Assert.IsNotNull(result);
CollectionAssert.AreEqual(new List <int> {
7, 5
}, result.NumbersWithMaxCount.ToList());
Assert.AreEqual(3, result.MaxCount);
}
public void WhenNumbersContainsOneItem_ItemIsReturned_AndCountIsOne()
{
var numbers = new List <int> {
2
};
var result = TopRepeatedNumber.FindIn(numbers);
Assert.IsNotNull(result);
CollectionAssert.AreEqual(new List <int> {
2
}, result.NumbersWithMaxCount.ToList());
Assert.AreEqual(1, result.MaxCount);
}
public void WhenNumbersIsEmpty_ThrowsArgumentNullException()
{
Assert.ThrowsException <ArgumentException>(() => TopRepeatedNumber.FindIn(Enumerable.Empty <int>()));
}
public void WhenNumbersIsNull_ThrowsArgumentNullException()
{
Assert.ThrowsException <ArgumentNullException>(() => TopRepeatedNumber.FindIn(null));
}
