public void LongestCommonPrefix()
        {
            // Arrange
            var input = "ABABBAB";
            var sa = new SuffixArray(input);

            // Act
            var lcp = sa.CreateLCPArray();

            // Assert
            CollectionAssert.AreEqual(new[] {0, 2, 2, 0, 1, 3, 1}, lcp);
        }