public void TestMatch() {
            Sequence  seq   = new Sequence(AlphabetType.DNA,"tttaagaacaagttt");
            Motif     motif = new Motif("motif", AlphabetType.DNA,"aag", 0.5);
            Iteration iteration;
            Match     match;

            iteration = new Iteration("test",motif,1,3,0.0);
            match     = iteration.Match(seq, 4);
            Assert.AreEqual(4, match.Start);
            Assert.AreEqual(9, match.Length);
            Assert.AreEqual(1, match.Strand);
            Assert.AreEqual("aagaacaag", match.Letters());
            Assert.AreEqual(seq, match.BaseSequence);
            Assert.AreEqual(0.888, match.Similarity, 1e-3);
            
            iteration = new Iteration("test",motif,1,1,0.0);
            match     = iteration.Match(seq, 4);
            Assert.AreEqual("aag", match.Letters());
            Assert.AreEqual(1.0, match.Similarity, 1e-3);
            
            iteration = new Iteration("test",motif,1,2,0.0);
            match     = iteration.Match(seq, 4);
            Assert.AreEqual("aagaac", match.Letters());
            Assert.AreEqual(0.833, match.Similarity, 1e-3);
              
            iteration = new Iteration("test",motif,4,5,0.0);
            Assert.AreEqual(null, iteration.Match(seq, 4));
        }
        public void TestConstructor()
        {
            Motif motif = new Motif("motif", AlphabetType.DNA, "tgn", 0.0);
            Iteration iteration = new Iteration("test", motif, 3, 4, 0.0);

            Assert.AreEqual("test", iteration.Name);
            Assert.AreEqual(motif, iteration.Pattern);
            Assert.AreEqual(3, iteration.Minimum);
            Assert.AreEqual(4, iteration.Maximum);
        }
        public void TestMatchVariablePattern()
        {
            Sequence seq = new Sequence(AlphabetType.DNA, "tttaagaacaagttt");
            Gap gap = new Gap("gap", 1, 4, 1, new double[] { 0.0, 0.1, 1.0, 0.5 }, 0.0);
            Iteration iteration;
            Match match;

            iteration = new Iteration("test", gap, 1, 3, 0.0);
            match = iteration.Match(seq, 4);
            Assert.AreEqual("aagaacaag", match.Letters());
            Assert.AreEqual(1.0, match.Similarity, 1e-3);
        }
        /// <summary>
        /// 
        /// Reads a pattern from a starting specified node. This method
        /// recursivly calls the reading methods of the different patterns.
        /// </summary>
        /// <param name="node">Node of the pattern the reading starts with.</param>
        /// <param name="definition">Pattern definition which pattern list will be extended 
        /// with the pattern and all its sub-patterns read.
        /// </param>
        /// <returns>The read pattern or null if there is no pattern to read.</returns>
        /// <exception cref="System.SystemException">Thrown when unknown pattern was found</exception>
        public static IPattern ReadPattern
                    (XmlNode node, Definition definition)
        {
            while (node != null
                    && node.NodeType != XmlNodeType.Element)

                node = node.NextSibling; //Iterate thru the list of nodes until it is an element

            IPattern pattern = null;
            String mode = XMLHelper.GetAttrValueString(node, "mode");

            switch (node.Name)
            {
                case "Any":
                    pattern = new Any();
                    break;

                case "Alignment":
                    pattern = new Alignment();
                    break;

                case "Composition" :
                    pattern = new Composition();
                    break;

                case "Constraint":
                    pattern = new Constraint();
                    break;

                case "Iteration":
                    pattern = new Iteration();
                    break;

                case "Logic":
                    pattern = new Logic();
                    break;

                case "Motif":
                    pattern = new Motif();
                    break;

                case "PWM":
                    pattern = new PWM();
                    break;

                case "Regex":
                    pattern = new RegularExp();
                    break;

                case "Prosite":
                    pattern = new Prosite();
                    break;

                case "Block":
                    pattern = new Block();
                    break;

                case "Gap":
                    pattern = new Gap();
                    break;

                case "Repeat":
                    pattern = new Repeat();
                    break;

                case "Series":
                    pattern = mode.Equals("ALL") ? 
                        pattern = new SeriesAll() : pattern = new SeriesBest();
                    break;

                case "Set":
                    pattern = mode.Equals("ALL") ?
                       pattern = new SetAll() : pattern = new SetBest();
                    break;

                case "Void":
                    pattern = new VoidPattern();
                    break;

                case "Use":
                    pattern = new Use();
                    break;

                throw new SystemException
                    ("Unknown pattern found: " + node.Name);
 
            }

 
            pattern.ReadNode(node, definition);      // read the node data and initialize the pattern
            definition.Patterns.Add
                            (0, pattern); //Always adding the element to last index
 
            return pattern;
        }
        public void TestMatchSubMatches()
        {
            Sequence seq = new Sequence(AlphabetType.DNA, "tttaagaacaagttt");

            Motif motif = new Motif("motif", AlphabetType.DNA, "aag", 0.5);
            Iteration iteration = new Iteration("test", motif, 1, 3, 0.0);
            Match match = seq.SearchBest(0, 0, iteration);

            Assert.AreEqual("aag", match.Letters());
            Assert.AreEqual(10, match.Start);
            Assert.AreEqual(1.0, match.Similarity);
            Assert.AreEqual("aag", match.SubMatches[0].Letters()); //sub match to properties?

            FeatureList matches = seq.Search(0, 0, iteration);
            Assert.AreEqual(3, matches.Count);
            Assert.AreEqual("aagaacaag", matches[0].Letters());
            Assert.AreEqual(0.88, ((Match)matches[0]).Similarity, 1e-2);
            Assert.AreEqual("aacaag", matches[1].Letters());
            Assert.AreEqual(0.83, ((Match)matches[1]).Similarity, 1e-2);
            Assert.AreEqual("aag", matches[2].Letters());
            Assert.AreEqual(1.00, ((Match)matches[2]).Similarity, 1e-2);
        }