public void ArraysIntersection_3IntegerArrayWithoutCommonInteger_ReturnCommonInteger()
{
int[] arr1 = new int[] { 1, 2, 3, 4, 5 };
int[] arr2 = new[] { 6, 7, 8, 9, 10 };
int[] arr3 = new[] { 11, 12, 13, 14, 15 };
var result = LeetCode1213.ArraysIntersection(arr1, arr2, arr3);
Assert.That(result, Is.Empty);
}
public void ArraysIntersection_3IntegerArrayWithCommonInteger_ReturnCommonInteger()
{
int[] arr1 = new int[] { 1, 2, 3, 4, 5 };
int[] arr2 = new[] { 1, 2, 5, 7, 9 };
int[] arr3 = new[] { 1, 3, 4, 5, 8 };
var result = LeetCode1213.ArraysIntersection(arr1, arr2, arr3);
Assert.That(result, Does.Contain(1));
Assert.That(result, Does.Contain(5));
}
