CheckCellTests.LCSTests.FixTranspositionTest C# (CSharp) Method

        public void FixTranspositionTest()
        {
            var orig = "aaabq";
            var entered = "bbzzzaaaq";

            var ta = LongestCommonSubsequence.LCS_Char(orig, entered);
            var alignments = LongestCommonSubsequence.LeftAlignedLCS(orig, entered);
            var additions = LongestCommonSubsequence.GetAddedCharIndices(entered, alignments);
            var omissions = LongestCommonSubsequence.GetMissingCharIndices(orig, alignments);
            var fixedouts = LongestCommonSubsequence.FixTranspositions(alignments, additions, omissions, orig, entered);

            var entered2 = fixedouts.Item1;
            var alignments2 = fixedouts.Item2;
            var additions2 = fixedouts.Item3;
            var omissions2 = fixedouts.Item4;
            var deltas = fixedouts.Item5;

            Assert.AreEqual(-3, deltas.Head);
            Assert.AreEqual("bzzzaaabq", entered2);
            int[] correct_additions = { 0, 1, 2, 3 };
            Assert.AreEqual(true, correct_additions.SequenceEqual<int>(additions2));
            int[] correct_omissions = {};
            Assert.AreEqual(true, correct_omissions.SequenceEqual<int>(omissions2));
            Tuple<int,int>[] correct_alignments = { new Tuple<int,int>(0,4), new Tuple<int,int>(1,5), new Tuple<int,int>(2,6), new Tuple<int,int>(3,7), new Tuple<int,int>(4,8) };
            Assert.AreEqual(true, correct_alignments.SequenceEqual<Tuple<int,int>>(alignments2));
        }