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Posted to commits@lucenenet.apache.org by sy...@apache.org on 2016/09/11 21:30:50 UTC

[19/50] [abbrv] lucenenet git commit: Moved Lucene.Net.QueryParser and Lucene.Net.Tests.QueryParser projects into src\ directory.

http://git-wip-us.apache.org/repos/asf/lucenenet/blob/679ad24c/src/Lucene.Net.Tests.QueryParser/Util/QueryParserTestBase.cs
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diff --git a/src/Lucene.Net.Tests.QueryParser/Util/QueryParserTestBase.cs b/src/Lucene.Net.Tests.QueryParser/Util/QueryParserTestBase.cs
new file mode 100644
index 0000000..b879008
--- /dev/null
+++ b/src/Lucene.Net.Tests.QueryParser/Util/QueryParserTestBase.cs
@@ -0,0 +1,1523 @@
+\ufeffusing Lucene.Net.Analysis;
+using Lucene.Net.Analysis.Tokenattributes;
+using Lucene.Net.Documents;
+using Lucene.Net.Index;
+using Lucene.Net.QueryParser.Classic;
+using Lucene.Net.QueryParser.Flexible.Standard;
+using Lucene.Net.Search;
+using Lucene.Net.Store;
+using Lucene.Net.Support;
+using Lucene.Net.Util;
+using Lucene.Net.Util.Automaton;
+using NUnit.Framework;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Lucene.Net.QueryParser.Util
+{
+    /// <summary>
+    /// In .NET the abstact members were moved to AbstractQueryParserTestBase
+    /// because the Visual Studio test runner does not find or run tests in 
+    /// abstract classes.
+    /// </summary>
+    [TestFixture]
+    public class QueryParserTestBase : AbstractQueryParserTestBase
+    {
+        public static Analyzer qpAnalyzer;
+
+        [TestFixtureSetUp]
+        public static void BeforeClass()
+        {
+            qpAnalyzer = new QPTestAnalyzer();
+        }
+
+        [TestFixtureTearDown]
+        public static void AfterClass()
+        {
+            qpAnalyzer = null;
+        }
+
+        public sealed class QPTestFilter : TokenFilter
+        {
+            ICharTermAttribute termAtt;
+            IOffsetAttribute offsetAtt;
+
+            /**
+             * Filter which discards the token 'stop' and which expands the
+             * token 'phrase' into 'phrase1 phrase2'
+             */
+            public QPTestFilter(TokenStream @in)
+                : base(@in)
+            {
+                termAtt = AddAttribute<ICharTermAttribute>();
+                offsetAtt = AddAttribute<IOffsetAttribute>();
+            }
+
+            bool inPhrase = false;
+            int savedStart = 0, savedEnd = 0;
+
+            public override sealed bool IncrementToken()
+            {
+                if (inPhrase)
+                {
+                    inPhrase = false;
+                    ClearAttributes();
+                    termAtt.Append("phrase2");
+                    offsetAtt.SetOffset(savedStart, savedEnd);
+                    return true;
+                }
+                else
+                    while (input.IncrementToken())
+                    {
+                        if (termAtt.toString().Equals("phrase"))
+                        {
+                            inPhrase = true;
+                            savedStart = offsetAtt.StartOffset();
+                            savedEnd = offsetAtt.EndOffset();
+                            termAtt.SetEmpty().Append("phrase1");
+                            offsetAtt.SetOffset(savedStart, savedEnd);
+                            return true;
+                        }
+                        else if (!termAtt.toString().equals("stop"))
+                            return true;
+                    }
+                return false;
+            }
+        }
+
+        public sealed class QPTestAnalyzer : Analyzer
+        {
+            /// <summary>
+            /// Filters MockTokenizer with StopFilter.
+            /// </summary>
+            public override TokenStreamComponents CreateComponents(string fieldName, System.IO.TextReader reader)
+            {
+                Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.SIMPLE, true);
+                return new TokenStreamComponents(tokenizer, new QPTestFilter(tokenizer));
+            }
+        }
+
+        private int originalMaxClauses;
+
+        private string defaultField = "field";
+        public string DefaultField { get { return defaultField; } set { defaultField = value; } }
+
+        public override void SetUp()
+        {
+            base.SetUp();
+            originalMaxClauses = BooleanQuery.MaxClauseCount;
+        }
+
+        // Moved from TestQueryParser
+        public virtual Classic.QueryParser GetParser(Analyzer a)
+        {
+            if (a == null) a = new MockAnalyzer(Random(), MockTokenizer.SIMPLE, true);
+            Classic.QueryParser qp = new Classic.QueryParser(TEST_VERSION_CURRENT, DefaultField, a);
+            qp.DefaultOperator = (QueryParserBase.OR_OPERATOR);
+            return qp;
+        }
+
+        // Moved to AbstractQueryParserTestBase
+        public override ICommonQueryParserConfiguration GetParserConfig(Analyzer a)
+        {
+            return GetParser(a);
+        }
+
+        // Moved to AbstractQueryParserTestBase
+        public override void SetDefaultOperatorOR(ICommonQueryParserConfiguration cqpC)
+        {
+            Debug.Assert(cqpC is Classic.QueryParser);
+            Classic.QueryParser qp = (Classic.QueryParser)cqpC;
+            qp.DefaultOperator = QueryParserBase.Operator.OR;
+        }
+
+        // Moved to AbstractQueryParserTestBase
+        public override void SetDefaultOperatorAND(ICommonQueryParserConfiguration cqpC)
+        {
+            Debug.Assert(cqpC is Classic.QueryParser);
+            Classic.QueryParser qp = (Classic.QueryParser)cqpC;
+            qp.DefaultOperator = QueryParserBase.Operator.AND;
+        }
+
+        // Moved to AbstractQueryParserTestBase
+        public override void SetAnalyzeRangeTerms(ICommonQueryParserConfiguration cqpC, bool value)
+        {
+            Debug.Assert(cqpC is Classic.QueryParser);
+            Classic.QueryParser qp = (Classic.QueryParser)cqpC;
+            qp.AnalyzeRangeTerms = (value);
+        }
+
+        // Moved to AbstractQueryParserTestBase
+        public override void SetAutoGeneratePhraseQueries(ICommonQueryParserConfiguration cqpC, bool value)
+        {
+            Debug.Assert(cqpC is Classic.QueryParser);
+            Classic.QueryParser qp = (Classic.QueryParser)cqpC;
+            qp.AutoGeneratePhraseQueries = value;
+        }
+
+        // Moved to AbstractQueryParserTestBase
+        public override void SetDateResolution(ICommonQueryParserConfiguration cqpC, ICharSequence field, DateTools.Resolution value)
+        {
+            Debug.Assert(cqpC is Classic.QueryParser);
+            Classic.QueryParser qp = (Classic.QueryParser)cqpC;
+            qp.SetDateResolution(field.toString(), value);
+        }
+
+        // Moved to AbstractQueryParserTestBase
+        public override Query GetQuery(string query, ICommonQueryParserConfiguration cqpC)
+        {
+            Debug.Assert(cqpC != null, "Parameter must not be null");
+            Debug.Assert(cqpC is Classic.QueryParser, "Parameter must be instance of QueryParser");
+            Classic.QueryParser qp = (Classic.QueryParser)cqpC;
+            return qp.Parse(query);
+        }
+
+        // Moved to AbstractQueryParserTestBase
+        public override Query GetQuery(string query, Analyzer a)
+        {
+            return GetParser(a).Parse(query);
+        }
+
+
+        // Moved to AbstractQueryParserTestBase
+        public override bool IsQueryParserException(Exception exception)
+        {
+            return exception is ParseException;
+        }
+
+        public Query GetQuery(string query)
+        {
+            return GetQuery(query, (Analyzer)null);
+        }
+
+        public void AssertQueryEquals(string query, Analyzer a, string result)
+        {
+            Query q = GetQuery(query, a);
+            string s = q.ToString("field");
+            if (!s.equals(result))
+            {
+                fail("Query /" + query + "/ yielded /" + s
+                     + "/, expecting /" + result + "/");
+            }
+        }
+
+        public void AssertQueryEquals(ICommonQueryParserConfiguration cqpC, string field, string query, string result)
+        {
+            Query q = GetQuery(query, cqpC);
+            string s = q.ToString(field);
+            if (!s.Equals(result))
+            {
+                fail("Query /" + query + "/ yielded /" + s
+                     + "/, expecting /" + result + "/");
+            }
+        }
+
+        public void AssertEscapedQueryEquals(string query, Analyzer a, string result)
+        {
+            string escapedQuery = QueryParserBase.Escape(query);
+            if (!escapedQuery.Equals(result))
+            {
+                fail("Query /" + query + "/ yielded /" + escapedQuery
+                    + "/, expecting /" + result + "/");
+            }
+        }
+
+        public void AssertWildcardQueryEquals(string query, bool lowercase, string result, bool allowLeadingWildcard)
+        {
+            ICommonQueryParserConfiguration cqpC = GetParserConfig(null);
+            cqpC.LowercaseExpandedTerms = lowercase;
+            cqpC.AllowLeadingWildcard = allowLeadingWildcard;
+            Query q = GetQuery(query, cqpC);
+            string s = q.ToString("field");
+            if (!s.equals(result))
+            {
+                fail("WildcardQuery /" + query + "/ yielded /" + s
+                     + "/, expecting /" + result + "/");
+            }
+        }
+
+        public void AssertWildcardQueryEquals(string query, bool lowercase, string result)
+        {
+            AssertWildcardQueryEquals(query, lowercase, result, false);
+        }
+
+        public void AssertWildcardQueryEquals(string query, string result)
+        {
+            Query q = GetQuery(query);
+            string s = q.ToString("field");
+            if (!s.Equals(result))
+            {
+                fail("WildcardQuery /" + query + "/ yielded /" + s + "/, expecting /"
+                    + result + "/");
+            }
+        }
+
+        public Query GetQueryDOA(string query, Analyzer a)
+        {
+            if (a == null)
+                a = new MockAnalyzer(Random(), MockTokenizer.SIMPLE, true);
+            ICommonQueryParserConfiguration qp = GetParserConfig(a);
+            SetDefaultOperatorAND(qp);
+            return GetQuery(query, qp);
+        }
+
+        public void AssertQueryEqualsDOA(string query, Analyzer a, string result)
+        {
+            Query q = GetQueryDOA(query, a);
+            string s = q.ToString("field");
+            if (!s.Equals(result))
+            {
+                fail("Query /" + query + "/ yielded /" + s
+                     + "/, expecting /" + result + "/");
+            }
+        }
+
+        [Test]
+        public void TestCJK()
+        {
+            // Test Ideographic Space - As wide as a CJK character cell (fullwidth)
+            // used google to translate the word "term" to japanese -> \u7528\u8a9e
+            AssertQueryEquals("term\u3000term\u3000term", null, "term\u0020term\u0020term");
+            AssertQueryEquals("\u7528\u8a9e\u3000\u7528\u8a9e\u3000\u7528\u8a9e", null, "\u7528\u8a9e\u0020\u7528\u8a9e\u0020\u7528\u8a9e");
+        }
+
+        protected class SimpleCJKTokenizer : Tokenizer
+        {
+            private ICharTermAttribute termAtt;
+
+            public SimpleCJKTokenizer(System.IO.TextReader input)
+                : base(input)
+            {
+                termAtt = AddAttribute<ICharTermAttribute>();
+            }
+
+            public override sealed bool IncrementToken()
+            {
+                int ch = input.Read();
+                if (ch < 0)
+                    return false;
+                ClearAttributes();
+                termAtt.SetEmpty().Append((char)ch);
+                return true;
+            }
+        }
+
+        private class SimpleCJKAnalyzer : Analyzer
+        {
+            public override TokenStreamComponents CreateComponents(string fieldName, System.IO.TextReader reader)
+            {
+                return new TokenStreamComponents(new SimpleCJKTokenizer(reader));
+            }
+        }
+
+        [Test]
+        public void TestCJKTerm()
+        {
+            // individual CJK chars as terms
+            SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer();
+
+            BooleanQuery expected = new BooleanQuery();
+            expected.Add(new TermQuery(new Term("field", "\u4e2d")), BooleanClause.Occur.SHOULD);
+            expected.Add(new TermQuery(new Term("field", "\u56fd")), BooleanClause.Occur.SHOULD);
+
+            assertEquals(expected, GetQuery("\u4e2d\u56fd", analyzer));
+        }
+
+        [Test]
+        public void TestCJKBoostedTerm()
+        {
+            // individual CJK chars as terms
+            SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer();
+
+            BooleanQuery expected = new BooleanQuery();
+            expected.Boost = (0.5f);
+            expected.Add(new TermQuery(new Term("field", "\u4e2d")), BooleanClause.Occur.SHOULD);
+            expected.Add(new TermQuery(new Term("field", "\u56fd")), BooleanClause.Occur.SHOULD);
+
+            assertEquals(expected, GetQuery("\u4e2d\u56fd^0.5", analyzer));
+        }
+
+        [Test]
+        public void TestCJKPhrase()
+        {
+            // individual CJK chars as terms
+            SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer();
+
+            PhraseQuery expected = new PhraseQuery();
+            expected.Add(new Term("field", "\u4e2d"));
+            expected.Add(new Term("field", "\u56fd"));
+
+            assertEquals(expected, GetQuery("\"\u4e2d\u56fd\"", analyzer));
+        }
+
+        [Test]
+        public void TestCJKBoostedPhrase()
+        {
+            // individual CJK chars as terms
+            SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer();
+
+            PhraseQuery expected = new PhraseQuery();
+            expected.Boost = (0.5f);
+            expected.Add(new Term("field", "\u4e2d"));
+            expected.Add(new Term("field", "\u56fd"));
+
+            assertEquals(expected, GetQuery("\"\u4e2d\u56fd\"^0.5", analyzer));
+        }
+
+        [Test]
+        public void TestCJKSloppyPhrase()
+        {
+            // individual CJK chars as terms
+            SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer();
+
+            PhraseQuery expected = new PhraseQuery();
+            expected.Slop = (3);
+            expected.Add(new Term("field", "\u4e2d"));
+            expected.Add(new Term("field", "\u56fd"));
+
+            assertEquals(expected, GetQuery("\"\u4e2d\u56fd\"~3", analyzer));
+        }
+
+        [Test]
+        public void TestAutoGeneratePhraseQueriesOn()
+        {
+            // individual CJK chars as terms
+            SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer();
+
+            PhraseQuery expected = new PhraseQuery();
+            expected.Add(new Term("field", "\u4e2d"));
+            expected.Add(new Term("field", "\u56fd"));
+            ICommonQueryParserConfiguration qp = GetParserConfig(analyzer);
+            SetAutoGeneratePhraseQueries(qp, true);
+            assertEquals(expected, GetQuery("\u4e2d\u56fd", qp));
+        }
+
+        [Test]
+        public void TestSimple()
+        {
+            AssertQueryEquals("term term term", null, "term term term");
+            AssertQueryEquals("t�rm term term", new MockAnalyzer(Random()), "t�rm term term");
+            AssertQueryEquals("�mlaut", new MockAnalyzer(Random()), "�mlaut");
+
+            // FIXME: enhance MockAnalyzer to be able to support this
+            // it must no longer extend CharTokenizer
+            //AssertQueryEquals("\"\"", new KeywordAnalyzer(), "");
+            //AssertQueryEquals("foo:\"\"", new KeywordAnalyzer(), "foo:");
+
+            AssertQueryEquals("a AND b", null, "+a +b");
+            AssertQueryEquals("(a AND b)", null, "+a +b");
+            AssertQueryEquals("c OR (a AND b)", null, "c (+a +b)");
+            AssertQueryEquals("a AND NOT b", null, "+a -b");
+            AssertQueryEquals("a AND -b", null, "+a -b");
+            AssertQueryEquals("a AND !b", null, "+a -b");
+            AssertQueryEquals("a && b", null, "+a +b");
+            //    AssertQueryEquals("a && ! b", null, "+a -b");
+
+            AssertQueryEquals("a OR b", null, "a b");
+            AssertQueryEquals("a || b", null, "a b");
+            AssertQueryEquals("a OR !b", null, "a -b");
+            //    AssertQueryEquals("a OR ! b", null, "a -b");
+            AssertQueryEquals("a OR -b", null, "a -b");
+
+            AssertQueryEquals("+term -term term", null, "+term -term term");
+            AssertQueryEquals("foo:term AND field:anotherTerm", null,
+                              "+foo:term +anotherterm");
+            AssertQueryEquals("term AND \"phrase phrase\"", null,
+                              "+term +\"phrase phrase\"");
+            AssertQueryEquals("\"hello there\"", null, "\"hello there\"");
+            assertTrue(GetQuery("a AND b") is BooleanQuery);
+            assertTrue(GetQuery("hello") is TermQuery);
+            assertTrue(GetQuery("\"hello there\"") is PhraseQuery);
+
+            AssertQueryEquals("germ term^2.0", null, "germ term^2.0");
+            AssertQueryEquals("(term)^2.0", null, "term^2.0");
+            AssertQueryEquals("(germ term)^2.0", null, "(germ term)^2.0");
+            AssertQueryEquals("term^2.0", null, "term^2.0");
+            AssertQueryEquals("term^2", null, "term^2.0");
+            AssertQueryEquals("\"germ term\"^2.0", null, "\"germ term\"^2.0");
+            AssertQueryEquals("\"term germ\"^2", null, "\"term germ\"^2.0");
+
+            AssertQueryEquals("(foo OR bar) AND (baz OR boo)", null,
+                              "+(foo bar) +(baz boo)");
+            AssertQueryEquals("((a OR b) AND NOT c) OR d", null,
+                              "(+(a b) -c) d");
+            AssertQueryEquals("+(apple \"steve jobs\") -(foo bar baz)", null,
+                              "+(apple \"steve jobs\") -(foo bar baz)");
+            AssertQueryEquals("+title:(dog OR cat) -author:\"bob dole\"", null,
+                              "+(title:dog title:cat) -author:\"bob dole\"");
+
+        }
+
+        // Moved to AbstractQueryParserTestBase
+        public override void TestDefaultOperator()
+        {
+            throw new NotImplementedException();
+        }
+
+        private class OperatorVsWhitespaceAnalyzer : Analyzer
+        {
+            public override TokenStreamComponents CreateComponents(string fieldName, System.IO.TextReader reader)
+            {
+                return new TokenStreamComponents(new MockTokenizer(reader, MockTokenizer.WHITESPACE, false));
+            }
+        }
+
+        [Test]
+        public void TestOperatorVsWhitespace()
+        { //LUCENE-2566
+            // +,-,! should be directly adjacent to operand (i.e. not separated by whitespace) to be treated as an operator
+            Analyzer a = new OperatorVsWhitespaceAnalyzer();
+            AssertQueryEquals("a - b", a, "a - b");
+            AssertQueryEquals("a + b", a, "a + b");
+            AssertQueryEquals("a ! b", a, "a ! b");
+        }
+
+        [Test]
+        public void TestPunct()
+        {
+            Analyzer a = new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, false);
+            AssertQueryEquals("a&b", a, "a&b");
+            AssertQueryEquals("a&&b", a, "a&&b");
+            AssertQueryEquals(".NET", a, ".NET");
+        }
+
+        [Test]
+        public void TestSlop()
+        {
+            AssertQueryEquals("\"term germ\"~2", null, "\"term germ\"~2");
+            AssertQueryEquals("\"term germ\"~2 flork", null, "\"term germ\"~2 flork");
+            AssertQueryEquals("\"term\"~2", null, "term");
+            AssertQueryEquals("\" \"~2 germ", null, "germ");
+            AssertQueryEquals("\"term germ\"~2^2", null, "\"term germ\"~2^2.0");
+        }
+
+        [Test]
+        public void TestNumber()
+        {
+            // The numbers go away because SimpleAnalzyer ignores them
+            AssertQueryEquals("3", null, "");
+            AssertQueryEquals("term 1.0 1 2", null, "term");
+            AssertQueryEquals("term term1 term2", null, "term term term");
+
+            Analyzer a = new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, true);
+            AssertQueryEquals("3", a, "3");
+            AssertQueryEquals("term 1.0 1 2", a, "term 1.0 1 2");
+            AssertQueryEquals("term term1 term2", a, "term term1 term2");
+        }
+
+        [Test]
+        public void TestWildcard()
+        {
+            AssertQueryEquals("term*", null, "term*");
+            AssertQueryEquals("term*^2", null, "term*^2.0");
+            AssertQueryEquals("term~", null, "term~2");
+            AssertQueryEquals("term~1", null, "term~1");
+            AssertQueryEquals("term~0.7", null, "term~1");
+            AssertQueryEquals("term~^3", null, "term~2^3.0");
+            AssertQueryEquals("term^3~", null, "term~2^3.0");
+            AssertQueryEquals("term*germ", null, "term*germ");
+            AssertQueryEquals("term*germ^3", null, "term*germ^3.0");
+
+            assertTrue(GetQuery("term*") is PrefixQuery);
+            assertTrue(GetQuery("term*^2") is PrefixQuery);
+            assertTrue(GetQuery("term~") is FuzzyQuery);
+            assertTrue(GetQuery("term~0.7") is FuzzyQuery);
+            FuzzyQuery fq = (FuzzyQuery)GetQuery("term~0.7");
+            assertEquals(1, fq.MaxEdits);
+            assertEquals(FuzzyQuery.DefaultPrefixLength, fq.PrefixLength);
+            fq = (FuzzyQuery)GetQuery("term~");
+            assertEquals(2, fq.MaxEdits);
+            assertEquals(FuzzyQuery.DefaultPrefixLength, fq.PrefixLength);
+
+            AssertParseException("term~1.1"); // value > 1, throws exception
+
+            assertTrue(GetQuery("term*germ") is WildcardQuery);
+
+            /* Tests to see that wild card terms are (or are not) properly
+               * lower-cased with propery parser configuration
+               */
+            // First prefix queries:
+            // by default, convert to lowercase:
+            AssertWildcardQueryEquals("Term*", true, "term*");
+            // explicitly set lowercase:
+            AssertWildcardQueryEquals("term*", true, "term*");
+            AssertWildcardQueryEquals("Term*", true, "term*");
+            AssertWildcardQueryEquals("TERM*", true, "term*");
+            // explicitly disable lowercase conversion:
+            AssertWildcardQueryEquals("term*", false, "term*");
+            AssertWildcardQueryEquals("Term*", false, "Term*");
+            AssertWildcardQueryEquals("TERM*", false, "TERM*");
+            // Then 'full' wildcard queries:
+            // by default, convert to lowercase:
+            AssertWildcardQueryEquals("Te?m", "te?m");
+            // explicitly set lowercase:
+            AssertWildcardQueryEquals("te?m", true, "te?m");
+            AssertWildcardQueryEquals("Te?m", true, "te?m");
+            AssertWildcardQueryEquals("TE?M", true, "te?m");
+            AssertWildcardQueryEquals("Te?m*gerM", true, "te?m*germ");
+            // explicitly disable lowercase conversion:
+            AssertWildcardQueryEquals("te?m", false, "te?m");
+            AssertWildcardQueryEquals("Te?m", false, "Te?m");
+            AssertWildcardQueryEquals("TE?M", false, "TE?M");
+            AssertWildcardQueryEquals("Te?m*gerM", false, "Te?m*gerM");
+            //  Fuzzy queries:
+            AssertWildcardQueryEquals("Term~", "term~2");
+            AssertWildcardQueryEquals("Term~", true, "term~2");
+            AssertWildcardQueryEquals("Term~", false, "Term~2");
+            //  Range queries:
+            AssertWildcardQueryEquals("[A TO C]", "[a TO c]");
+            AssertWildcardQueryEquals("[A TO C]", true, "[a TO c]");
+            AssertWildcardQueryEquals("[A TO C]", false, "[A TO C]");
+            // Test suffix queries: first disallow
+            try
+            {
+                AssertWildcardQueryEquals("*Term", true, "*term");
+            }
+            catch (Exception pe)
+            {
+                // expected exception
+                if (!IsQueryParserException(pe))
+                {
+                    fail();
+                }
+            }
+            try
+            {
+                AssertWildcardQueryEquals("?Term", true, "?term");
+                fail();
+            }
+            catch (Exception pe)
+            {
+                // expected exception
+                if (!IsQueryParserException(pe))
+                {
+                    fail();
+                }
+            }
+            // Test suffix queries: then allow
+            AssertWildcardQueryEquals("*Term", true, "*term", true);
+            AssertWildcardQueryEquals("?Term", true, "?term", true);
+        }
+
+        [Test]
+        public void TestLeadingWildcardType()
+        {
+            ICommonQueryParserConfiguration cqpC = GetParserConfig(null);
+            cqpC.AllowLeadingWildcard = (true);
+            assertEquals(typeof(WildcardQuery), GetQuery("t*erm*", cqpC).GetType());
+            assertEquals(typeof(WildcardQuery), GetQuery("?term*", cqpC).GetType());
+            assertEquals(typeof(WildcardQuery), GetQuery("*term*", cqpC).GetType());
+        }
+
+        [Test]
+        public void TestQPA()
+        {
+            AssertQueryEquals("term term^3.0 term", qpAnalyzer, "term term^3.0 term");
+            AssertQueryEquals("term stop^3.0 term", qpAnalyzer, "term term");
+
+            AssertQueryEquals("term term term", qpAnalyzer, "term term term");
+            AssertQueryEquals("term +stop term", qpAnalyzer, "term term");
+            AssertQueryEquals("term -stop term", qpAnalyzer, "term term");
+
+            AssertQueryEquals("drop AND (stop) AND roll", qpAnalyzer, "+drop +roll");
+            AssertQueryEquals("term +(stop) term", qpAnalyzer, "term term");
+            AssertQueryEquals("term -(stop) term", qpAnalyzer, "term term");
+
+            AssertQueryEquals("drop AND stop AND roll", qpAnalyzer, "+drop +roll");
+            AssertQueryEquals("term phrase term", qpAnalyzer,
+                              "term (phrase1 phrase2) term");
+            AssertQueryEquals("term AND NOT phrase term", qpAnalyzer,
+                              "+term -(phrase1 phrase2) term");
+            AssertQueryEquals("stop^3", qpAnalyzer, "");
+            AssertQueryEquals("stop", qpAnalyzer, "");
+            AssertQueryEquals("(stop)^3", qpAnalyzer, "");
+            AssertQueryEquals("((stop))^3", qpAnalyzer, "");
+            AssertQueryEquals("(stop^3)", qpAnalyzer, "");
+            AssertQueryEquals("((stop)^3)", qpAnalyzer, "");
+            AssertQueryEquals("(stop)", qpAnalyzer, "");
+            AssertQueryEquals("((stop))", qpAnalyzer, "");
+            assertTrue(GetQuery("term term term", qpAnalyzer) is BooleanQuery);
+            assertTrue(GetQuery("term +stop", qpAnalyzer) is TermQuery);
+
+            ICommonQueryParserConfiguration cqpc = GetParserConfig(qpAnalyzer);
+            SetDefaultOperatorAND(cqpc);
+            AssertQueryEquals(cqpc, "field", "term phrase term",
+                "+term +(+phrase1 +phrase2) +term");
+            AssertQueryEquals(cqpc, "field", "phrase",
+                "+phrase1 +phrase2");
+        }
+
+        [Test]
+        public void TestRange()
+        {
+            AssertQueryEquals("[ a TO z]", null, "[a TO z]");
+            AssertQueryEquals("[ a TO z}", null, "[a TO z}");
+            AssertQueryEquals("{ a TO z]", null, "{a TO z]");
+
+            assertEquals(MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT, ((TermRangeQuery)GetQuery("[ a TO z]")).GetRewriteMethod());
+
+            ICommonQueryParserConfiguration qp = GetParserConfig(new MockAnalyzer(Random(), MockTokenizer.SIMPLE, true));
+
+            qp.MultiTermRewriteMethod=(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
+            assertEquals(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE, ((TermRangeQuery)GetQuery("[ a TO z]", qp)).GetRewriteMethod());
+
+            // test open ranges
+            AssertQueryEquals("[ a TO * ]", null, "[a TO *]");
+            AssertQueryEquals("[ * TO z ]", null, "[* TO z]");
+            AssertQueryEquals("[ * TO * ]", null, "[* TO *]");
+
+            // mixing exclude and include bounds
+            AssertQueryEquals("{ a TO z ]", null, "{a TO z]");
+            AssertQueryEquals("[ a TO z }", null, "[a TO z}");
+            AssertQueryEquals("{ a TO * ]", null, "{a TO *]");
+            AssertQueryEquals("[ * TO z }", null, "[* TO z}");
+
+            AssertQueryEquals("[ a TO z ]", null, "[a TO z]");
+            AssertQueryEquals("{ a TO z}", null, "{a TO z}");
+            AssertQueryEquals("{ a TO z }", null, "{a TO z}");
+            AssertQueryEquals("{ a TO z }^2.0", null, "{a TO z}^2.0");
+            AssertQueryEquals("[ a TO z] OR bar", null, "[a TO z] bar");
+            AssertQueryEquals("[ a TO z] AND bar", null, "+[a TO z] +bar");
+            AssertQueryEquals("( bar blar { a TO z}) ", null, "bar blar {a TO z}");
+            AssertQueryEquals("gack ( bar blar { a TO z}) ", null, "gack (bar blar {a TO z})");
+
+            AssertQueryEquals("[* TO Z]", null, "[* TO z]");
+            AssertQueryEquals("[A TO *]", null, "[a TO *]");
+            AssertQueryEquals("[* TO *]", null, "[* TO *]");
+        }
+
+        [Test]
+        public void TestRangeWithPhrase()
+        {
+            AssertQueryEquals("[\\* TO \"*\"]", null, "[\\* TO \\*]");
+            AssertQueryEquals("[\"*\" TO *]", null, "[\\* TO *]");
+        }
+
+        private string EscapeDateString(string s)
+        {
+            if (s.IndexOf(" ") > -1)
+            {
+                return "\"" + s + "\"";
+            }
+            else
+            {
+                return s;
+            }
+        }
+
+        /// <summary>for testing DateTools support</summary>
+        private string GetDate(string s, DateTools.Resolution resolution)
+        {
+            // TODO: Is this the correct way to parse the string?
+            DateTime d = DateTime.Parse(s, System.Globalization.CultureInfo.InvariantCulture);
+            return GetDate(d, resolution);
+
+            //// we use the default Locale since LuceneTestCase randomizes it
+            //DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, Locale.getDefault());
+            //return GetDate(df.Parse(s), resolution);      
+        }
+
+        /// <summary>for testing DateTools support</summary>
+        private string GetDate(DateTime d, DateTools.Resolution resolution)
+        {
+            return DateTools.DateToString(d, resolution);
+        }
+
+        private string GetLocalizedDate(int year, int month, int day)
+        {
+            // TODO: Is this the right way to get the localized date?
+            DateTime d = new DateTime(year, month, day, 23, 59, 59, 999);
+            return d.ToString();
+
+            //// we use the default Locale/TZ since LuceneTestCase randomizes it
+            //DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, Locale.getDefault());
+            //Calendar calendar = new GregorianCalendar(TimeZone.getDefault(), Locale.getDefault());
+            //calendar.clear();
+            //calendar.set(year, month, day);
+            //calendar.set(Calendar.HOUR_OF_DAY, 23);
+            //calendar.set(Calendar.MINUTE, 59);
+            //calendar.set(Calendar.SECOND, 59);
+            //calendar.set(Calendar.MILLISECOND, 999);
+            //return df.format(calendar.getTime());
+        }
+
+        // TODO: Fix this test
+        [Test]
+        public void TestDateRange()
+        {
+            Assert.Fail("Test is not implemented");
+
+        //    string startDate = GetLocalizedDate(2002, 1, 1);
+        //    string endDate = GetLocalizedDate(2002, 1, 4);
+        //    // we use the default Locale/TZ since LuceneTestCase randomizes it
+        //    Calendar endDateExpected = new GregorianCalendar(TimeZone.getDefault(), Locale.getDefault());
+        //    endDateExpected.clear();
+        //    endDateExpected.set(2002, 1, 4, 23, 59, 59);
+        //    endDateExpected.set(Calendar.MILLISECOND, 999);
+        //    string defaultField = "default";
+        //    string monthField = "month";
+        //    string hourField = "hour";
+        //    Analyzer a = new MockAnalyzer(Random(), MockTokenizer.SIMPLE, true);
+        //    CommonQueryParserConfiguration qp = GetParserConfig(a);
+
+        //    // set a field specific date resolution
+        //    SetDateResolution(qp, monthField, DateTools.Resolution.MONTH);
+
+        //    // set default date resolution to MILLISECOND
+        //    qp.SetDateResolution(DateTools.Resolution.MILLISECOND);
+
+        //    // set second field specific date resolution    
+        //    SetDateResolution(qp, hourField, DateTools.Resolution.HOUR);
+
+        //    // for this field no field specific date resolution has been set,
+        //    // so verify if the default resolution is used
+        //    AssertDateRangeQueryEquals(qp, defaultField, startDate, endDate,
+        //            endDateExpected.getTime(), DateTools.Resolution.MILLISECOND);
+
+        //    // verify if field specific date resolutions are used for these two fields
+        //    AssertDateRangeQueryEquals(qp, monthField, startDate, endDate,
+        //            endDateExpected.getTime(), DateTools.Resolution.MONTH);
+
+        //    AssertDateRangeQueryEquals(qp, hourField, startDate, endDate,
+        //            endDateExpected.getTime(), DateTools.Resolution.HOUR);
+        }
+
+        public void AssertDateRangeQueryEquals(ICommonQueryParserConfiguration cqpC, string field, string startDate, string endDate,
+            DateTime endDateInclusive, DateTools.Resolution resolution)
+        {
+            AssertQueryEquals(cqpC, field, field + ":[" + EscapeDateString(startDate) + " TO " + EscapeDateString(endDate) + "]",
+                       "[" + GetDate(startDate, resolution) + " TO " + GetDate(endDateInclusive, resolution) + "]");
+            AssertQueryEquals(cqpC, field, field + ":{" + EscapeDateString(startDate) + " TO " + EscapeDateString(endDate) + "}",
+                       "{" + GetDate(startDate, resolution) + " TO " + GetDate(endDate, resolution) + "}");
+        }
+
+        [Test]
+        public void TestEscaped()
+        {
+            Analyzer a = new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, false);
+
+            /*AssertQueryEquals("\\[brackets", a, "\\[brackets");
+            AssertQueryEquals("\\[brackets", null, "brackets");
+            AssertQueryEquals("\\\\", a, "\\\\");
+            AssertQueryEquals("\\+blah", a, "\\+blah");
+            AssertQueryEquals("\\(blah", a, "\\(blah");
+
+            AssertQueryEquals("\\-blah", a, "\\-blah");
+            AssertQueryEquals("\\!blah", a, "\\!blah");
+            AssertQueryEquals("\\{blah", a, "\\{blah");
+            AssertQueryEquals("\\}blah", a, "\\}blah");
+            AssertQueryEquals("\\:blah", a, "\\:blah");
+            AssertQueryEquals("\\^blah", a, "\\^blah");
+            AssertQueryEquals("\\[blah", a, "\\[blah");
+            AssertQueryEquals("\\]blah", a, "\\]blah");
+            AssertQueryEquals("\\\"blah", a, "\\\"blah");
+            AssertQueryEquals("\\(blah", a, "\\(blah");
+            AssertQueryEquals("\\)blah", a, "\\)blah");
+            AssertQueryEquals("\\~blah", a, "\\~blah");
+            AssertQueryEquals("\\*blah", a, "\\*blah");
+            AssertQueryEquals("\\?blah", a, "\\?blah");
+            //AssertQueryEquals("foo \\&\\& bar", a, "foo \\&\\& bar");
+            //AssertQueryEquals("foo \\|| bar", a, "foo \\|| bar");
+            //AssertQueryEquals("foo \\AND bar", a, "foo \\AND bar");*/
+
+            AssertQueryEquals("\\a", a, "a");
+
+            AssertQueryEquals("a\\-b:c", a, "a-b:c");
+            AssertQueryEquals("a\\+b:c", a, "a+b:c");
+            AssertQueryEquals("a\\:b:c", a, "a:b:c");
+            AssertQueryEquals("a\\\\b:c", a, "a\\b:c");
+
+            AssertQueryEquals("a:b\\-c", a, "a:b-c");
+            AssertQueryEquals("a:b\\+c", a, "a:b+c");
+            AssertQueryEquals("a:b\\:c", a, "a:b:c");
+            AssertQueryEquals("a:b\\\\c", a, "a:b\\c");
+
+            AssertQueryEquals("a:b\\-c*", a, "a:b-c*");
+            AssertQueryEquals("a:b\\+c*", a, "a:b+c*");
+            AssertQueryEquals("a:b\\:c*", a, "a:b:c*");
+
+            AssertQueryEquals("a:b\\\\c*", a, "a:b\\c*");
+
+            AssertQueryEquals("a:b\\-c~", a, "a:b-c~2");
+            AssertQueryEquals("a:b\\+c~", a, "a:b+c~2");
+            AssertQueryEquals("a:b\\:c~", a, "a:b:c~2");
+            AssertQueryEquals("a:b\\\\c~", a, "a:b\\c~2");
+
+            AssertQueryEquals("[ a\\- TO a\\+ ]", null, "[a- TO a+]");
+            AssertQueryEquals("[ a\\: TO a\\~ ]", null, "[a: TO a~]");
+            AssertQueryEquals("[ a\\\\ TO a\\* ]", null, "[a\\ TO a*]");
+
+            AssertQueryEquals("[\"c\\:\\\\temp\\\\\\~foo0.txt\" TO \"c\\:\\\\temp\\\\\\~foo9.txt\"]", a,
+                              "[c:\\temp\\~foo0.txt TO c:\\temp\\~foo9.txt]");
+
+            AssertQueryEquals("a\\\\\\+b", a, "a\\+b");
+
+            AssertQueryEquals("a \\\"b c\\\" d", a, "a \"b c\" d");
+            AssertQueryEquals("\"a \\\"b c\\\" d\"", a, "\"a \"b c\" d\"");
+            AssertQueryEquals("\"a \\+b c d\"", a, "\"a +b c d\"");
+
+            AssertQueryEquals("c\\:\\\\temp\\\\\\~foo.txt", a, "c:\\temp\\~foo.txt");
+
+            AssertParseException("XY\\"); // there must be a character after the escape char
+
+            // test unicode escaping
+            AssertQueryEquals("a\\u0062c", a, "abc");
+            AssertQueryEquals("XY\\u005a", a, "XYZ");
+            AssertQueryEquals("XY\\u005A", a, "XYZ");
+            AssertQueryEquals("\"a \\\\\\u0028\\u0062\\\" c\"", a, "\"a \\(b\" c\"");
+
+            AssertParseException("XY\\u005G");  // test non-hex character in escaped unicode sequence
+            AssertParseException("XY\\u005");   // test incomplete escaped unicode sequence
+
+            // Tests bug LUCENE-800
+            AssertQueryEquals("(item:\\\\ item:ABCD\\\\)", a, "item:\\ item:ABCD\\");
+            AssertParseException("(item:\\\\ item:ABCD\\\\))"); // unmatched closing paranthesis 
+            AssertQueryEquals("\\*", a, "*");
+            AssertQueryEquals("\\\\", a, "\\");  // escaped backslash
+
+            AssertParseException("\\"); // a backslash must always be escaped
+
+            // LUCENE-1189
+            AssertQueryEquals("(\"a\\\\\") or (\"b\")", a, "a\\ or b");
+        }
+
+        [Test]
+        public void TestEscapedVsQuestionMarkAsWildcard()
+        {
+            Analyzer a = new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, false);
+            AssertQueryEquals("a:b\\-?c", a, "a:b\\-?c");
+            AssertQueryEquals("a:b\\+?c", a, "a:b\\+?c");
+            AssertQueryEquals("a:b\\:?c", a, "a:b\\:?c");
+
+            AssertQueryEquals("a:b\\\\?c", a, "a:b\\\\?c");
+        }
+
+        [Test]
+        public void TestQueryStringEscaping()
+        {
+            Analyzer a = new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, false);
+
+            AssertEscapedQueryEquals("a-b:c", a, "a\\-b\\:c");
+            AssertEscapedQueryEquals("a+b:c", a, "a\\+b\\:c");
+            AssertEscapedQueryEquals("a:b:c", a, "a\\:b\\:c");
+            AssertEscapedQueryEquals("a\\b:c", a, "a\\\\b\\:c");
+
+            AssertEscapedQueryEquals("a:b-c", a, "a\\:b\\-c");
+            AssertEscapedQueryEquals("a:b+c", a, "a\\:b\\+c");
+            AssertEscapedQueryEquals("a:b:c", a, "a\\:b\\:c");
+            AssertEscapedQueryEquals("a:b\\c", a, "a\\:b\\\\c");
+
+            AssertEscapedQueryEquals("a:b-c*", a, "a\\:b\\-c\\*");
+            AssertEscapedQueryEquals("a:b+c*", a, "a\\:b\\+c\\*");
+            AssertEscapedQueryEquals("a:b:c*", a, "a\\:b\\:c\\*");
+
+            AssertEscapedQueryEquals("a:b\\\\c*", a, "a\\:b\\\\\\\\c\\*");
+
+            AssertEscapedQueryEquals("a:b-?c", a, "a\\:b\\-\\?c");
+            AssertEscapedQueryEquals("a:b+?c", a, "a\\:b\\+\\?c");
+            AssertEscapedQueryEquals("a:b:?c", a, "a\\:b\\:\\?c");
+
+            AssertEscapedQueryEquals("a:b?c", a, "a\\:b\\?c");
+
+            AssertEscapedQueryEquals("a:b-c~", a, "a\\:b\\-c\\~");
+            AssertEscapedQueryEquals("a:b+c~", a, "a\\:b\\+c\\~");
+            AssertEscapedQueryEquals("a:b:c~", a, "a\\:b\\:c\\~");
+            AssertEscapedQueryEquals("a:b\\c~", a, "a\\:b\\\\c\\~");
+
+            AssertEscapedQueryEquals("[ a - TO a+ ]", null, "\\[ a \\- TO a\\+ \\]");
+            AssertEscapedQueryEquals("[ a : TO a~ ]", null, "\\[ a \\: TO a\\~ \\]");
+            AssertEscapedQueryEquals("[ a\\ TO a* ]", null, "\\[ a\\\\ TO a\\* \\]");
+
+            // LUCENE-881
+            AssertEscapedQueryEquals("|| abc ||", a, "\\|\\| abc \\|\\|");
+            AssertEscapedQueryEquals("&& abc &&", a, "\\&\\& abc \\&\\&");
+        }
+
+        [Test]
+        public void TestTabNewlineCarriageReturn()
+        {
+            AssertQueryEqualsDOA("+weltbank +worlbank", null,
+              "+weltbank +worlbank");
+
+            AssertQueryEqualsDOA("+weltbank\n+worlbank", null,
+              "+weltbank +worlbank");
+            AssertQueryEqualsDOA("weltbank \n+worlbank", null,
+              "+weltbank +worlbank");
+            AssertQueryEqualsDOA("weltbank \n +worlbank", null,
+              "+weltbank +worlbank");
+
+            AssertQueryEqualsDOA("+weltbank\r+worlbank", null,
+              "+weltbank +worlbank");
+            AssertQueryEqualsDOA("weltbank \r+worlbank", null,
+              "+weltbank +worlbank");
+            AssertQueryEqualsDOA("weltbank \r +worlbank", null,
+              "+weltbank +worlbank");
+
+            AssertQueryEqualsDOA("+weltbank\r\n+worlbank", null,
+              "+weltbank +worlbank");
+            AssertQueryEqualsDOA("weltbank \r\n+worlbank", null,
+              "+weltbank +worlbank");
+            AssertQueryEqualsDOA("weltbank \r\n +worlbank", null,
+              "+weltbank +worlbank");
+            AssertQueryEqualsDOA("weltbank \r \n +worlbank", null,
+              "+weltbank +worlbank");
+
+            AssertQueryEqualsDOA("+weltbank\t+worlbank", null,
+              "+weltbank +worlbank");
+            AssertQueryEqualsDOA("weltbank \t+worlbank", null,
+              "+weltbank +worlbank");
+            AssertQueryEqualsDOA("weltbank \t +worlbank", null,
+              "+weltbank +worlbank");
+        }
+
+        [Test]
+        public void TestSimpleDAO()
+        {
+            AssertQueryEqualsDOA("term term term", null, "+term +term +term");
+            AssertQueryEqualsDOA("term +term term", null, "+term +term +term");
+            AssertQueryEqualsDOA("term term +term", null, "+term +term +term");
+            AssertQueryEqualsDOA("term +term +term", null, "+term +term +term");
+            AssertQueryEqualsDOA("-term term term", null, "-term +term +term");
+        }
+
+        [Test]
+        public void TestBoost()
+        {
+            CharacterRunAutomaton stopWords = new CharacterRunAutomaton(BasicAutomata.MakeString("on"));
+            Analyzer oneStopAnalyzer = new MockAnalyzer(Random(), MockTokenizer.SIMPLE, true, stopWords);
+            ICommonQueryParserConfiguration qp = GetParserConfig(oneStopAnalyzer);
+            Query q = GetQuery("on^1.0", qp);
+            assertNotNull(q);
+            q = GetQuery("\"hello\"^2.0", qp);
+            assertNotNull(q);
+            assertEquals(q.Boost, (float)2.0, (float)0.5);
+            q = GetQuery("hello^2.0", qp);
+            assertNotNull(q);
+            assertEquals(q.Boost, (float)2.0, (float)0.5);
+            q = GetQuery("\"on\"^1.0", qp);
+            assertNotNull(q);
+
+            Analyzer a2 = new MockAnalyzer(Random(), MockTokenizer.SIMPLE, true, MockTokenFilter.ENGLISH_STOPSET);
+            ICommonQueryParserConfiguration qp2 = GetParserConfig(a2);
+            q = GetQuery("the^3", qp2);
+            // "the" is a stop word so the result is an empty query:
+            assertNotNull(q);
+            assertEquals("", q.toString());
+            assertEquals(1.0f, q.Boost, 0.01f);
+        }
+
+        public void AssertParseException(string queryString)
+        {
+            try
+            {
+                GetQuery(queryString);
+            }
+            catch (Exception expected)
+            {
+                if (IsQueryParserException(expected))
+                {
+                    return;
+                }
+            }
+            fail("ParseException expected, not thrown");
+        }
+
+        public void AssertParseException(string queryString, Analyzer a)
+        {
+            try
+            {
+                GetQuery(queryString, a);
+            }
+            catch (Exception expected)
+            {
+                if (IsQueryParserException(expected))
+                {
+                    return;
+                }
+            }
+            fail("ParseException expected, not thrown");
+        }
+
+        [Test]
+        public void TestException()
+        {
+            AssertParseException("\"some phrase");
+            AssertParseException("(foo bar");
+            AssertParseException("foo bar))");
+            AssertParseException("field:term:with:colon some more terms");
+            AssertParseException("(sub query)^5.0^2.0 plus more");
+            AssertParseException("secret AND illegal) AND access:confidential");
+        }
+
+        [Test]
+        public void TestBooleanQuery()
+        {
+            BooleanQuery.MaxClauseCount = (2);
+            Analyzer purWhitespaceAnalyzer = new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, false);
+            AssertParseException("one two three", purWhitespaceAnalyzer);
+        }
+
+        [Test]
+        public void TestPrecedence()
+        {
+            ICommonQueryParserConfiguration qp = GetParserConfig(new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, false));
+            Query query1 = GetQuery("A AND B OR C AND D", qp);
+            Query query2 = GetQuery("+A +B +C +D", qp);
+            assertEquals(query1, query2);
+        }
+
+        // LUCENETODO: convert this from DateField to DateUtil
+        //  public void testLocalDateFormat() throws IOException, ParseException {
+        //    Directory ramDir = newDirectory();
+        //    IndexWriter iw = new IndexWriter(ramDir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random, MockTokenizer.WHITESPACE, false)));
+        //    addDateDoc("a", 2005, 12, 2, 10, 15, 33, iw);
+        //    addDateDoc("b", 2005, 12, 4, 22, 15, 00, iw);
+        //    iw.close();
+        //    IndexSearcher is = new IndexSearcher(ramDir, true);
+        //    assertHits(1, "[12/1/2005 TO 12/3/2005]", is);
+        //    assertHits(2, "[12/1/2005 TO 12/4/2005]", is);
+        //    assertHits(1, "[12/3/2005 TO 12/4/2005]", is);
+        //    assertHits(1, "{12/1/2005 TO 12/3/2005}", is);
+        //    assertHits(1, "{12/1/2005 TO 12/4/2005}", is);
+        //    assertHits(0, "{12/3/2005 TO 12/4/2005}", is);
+        //    is.close();
+        //    ramDir.close();
+        //  }
+        //
+        //  private void addDateDoc(String content, int year, int month,
+        //                          int day, int hour, int minute, int second, IndexWriter iw) throws IOException {
+        //    Document d = new Document();
+        //    d.add(newField("f", content, Field.Store.YES, Field.Index.ANALYZED));
+        //    Calendar cal = Calendar.getInstance(Locale.ENGLISH);
+        //    cal.set(year, month - 1, day, hour, minute, second);
+        //    d.add(newField("date", DateField.dateToString(cal.getTime()), Field.Store.YES, Field.Index.NOT_ANALYZED));
+        //    iw.addDocument(d);
+        //  }
+
+        // Moved to AbstractQueryParserTestBase
+        public override void TestStarParsing()
+        {
+            throw new NotImplementedException();
+        }
+
+        [Test]
+        public void TestEscapedWildcard()
+        {
+            ICommonQueryParserConfiguration qp = GetParserConfig(new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, false));
+            WildcardQuery q = new WildcardQuery(new Term("field", "foo\\?ba?r"));
+            assertEquals(q, GetQuery("foo\\?ba?r", qp));
+        }
+
+        [Test]
+        public void TestRegexps()
+        {
+            ICommonQueryParserConfiguration qp = GetParserConfig(new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, false));
+            RegexpQuery q = new RegexpQuery(new Term("field", "[a-z][123]"));
+            assertEquals(q, GetQuery("/[a-z][123]/", qp));
+            qp.LowercaseExpandedTerms = (true);
+            assertEquals(q, GetQuery("/[A-Z][123]/", qp));
+            q.Boost = (0.5f);
+            assertEquals(q, GetQuery("/[A-Z][123]/^0.5", qp));
+            qp.MultiTermRewriteMethod=(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
+            q.SetRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
+            assertTrue(GetQuery("/[A-Z][123]/^0.5", qp) is RegexpQuery);
+            assertEquals(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE, ((RegexpQuery)GetQuery("/[A-Z][123]/^0.5", qp)).GetRewriteMethod());
+            assertEquals(q, GetQuery("/[A-Z][123]/^0.5", qp));
+            qp.MultiTermRewriteMethod=(MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT);
+
+            Query escaped = new RegexpQuery(new Term("field", "[a-z]\\/[123]"));
+            assertEquals(escaped, GetQuery("/[a-z]\\/[123]/", qp));
+            Query escaped2 = new RegexpQuery(new Term("field", "[a-z]\\*[123]"));
+            assertEquals(escaped2, GetQuery("/[a-z]\\*[123]/", qp));
+
+            BooleanQuery complex = new BooleanQuery();
+            complex.Add(new RegexpQuery(new Term("field", "[a-z]\\/[123]")), BooleanClause.Occur.MUST);
+            complex.Add(new TermQuery(new Term("path", "/etc/init.d/")), BooleanClause.Occur.MUST);
+            complex.Add(new TermQuery(new Term("field", "/etc/init[.]d/lucene/")), BooleanClause.Occur.SHOULD);
+            assertEquals(complex, GetQuery("/[a-z]\\/[123]/ AND path:\"/etc/init.d/\" OR \"/etc\\/init\\[.\\]d/lucene/\" ", qp));
+
+            Query re = new RegexpQuery(new Term("field", "http.*"));
+            assertEquals(re, GetQuery("field:/http.*/", qp));
+            assertEquals(re, GetQuery("/http.*/", qp));
+
+            re = new RegexpQuery(new Term("field", "http~0.5"));
+            assertEquals(re, GetQuery("field:/http~0.5/", qp));
+            assertEquals(re, GetQuery("/http~0.5/", qp));
+
+            re = new RegexpQuery(new Term("field", "boo"));
+            assertEquals(re, GetQuery("field:/boo/", qp));
+            assertEquals(re, GetQuery("/boo/", qp));
+
+            assertEquals(new TermQuery(new Term("field", "/boo/")), GetQuery("\"/boo/\"", qp));
+            assertEquals(new TermQuery(new Term("field", "/boo/")), GetQuery("\\/boo\\/", qp));
+
+            BooleanQuery two = new BooleanQuery();
+            two.Add(new RegexpQuery(new Term("field", "foo")), BooleanClause.Occur.SHOULD);
+            two.Add(new RegexpQuery(new Term("field", "bar")), BooleanClause.Occur.SHOULD);
+            assertEquals(two, GetQuery("field:/foo/ field:/bar/", qp));
+            assertEquals(two, GetQuery("/foo/ /bar/", qp));
+        }
+
+        [Test]
+        public void TestStopwords()
+        {
+            CharacterRunAutomaton stopSet = new CharacterRunAutomaton(new RegExp("the|foo").ToAutomaton());
+            ICommonQueryParserConfiguration qp = GetParserConfig(new MockAnalyzer(Random(), MockTokenizer.SIMPLE, true, stopSet));
+            Query result = GetQuery("field:the OR field:foo", qp);
+            assertNotNull("result is null and it shouldn't be", result);
+            assertTrue("result is not a BooleanQuery", result is BooleanQuery);
+            assertTrue(((BooleanQuery)result).Clauses.Length + " does not equal: " + 0, ((BooleanQuery)result).Clauses.Length == 0);
+            result = GetQuery("field:woo OR field:the", qp);
+            assertNotNull("result is null and it shouldn't be", result);
+            assertTrue("result is not a TermQuery", result is TermQuery);
+            result = GetQuery("(fieldX:xxxxx OR fieldy:xxxxxxxx)^2 AND (fieldx:the OR fieldy:foo)", qp);
+            assertNotNull("result is null and it shouldn't be", result);
+            assertTrue("result is not a BooleanQuery", result is BooleanQuery);
+            if (VERBOSE) Console.WriteLine("Result: " + result);
+            assertTrue(((BooleanQuery)result).Clauses.Length + " does not equal: " + 2, ((BooleanQuery)result).Clauses.Length == 2);
+        }
+
+        [Test]
+        public void TestPositionIncrement()
+        {
+            ICommonQueryParserConfiguration qp = GetParserConfig(new MockAnalyzer(Random(), MockTokenizer.SIMPLE, true, MockTokenFilter.ENGLISH_STOPSET));
+            qp.EnablePositionIncrements = (true);
+            String qtxt = "\"the words in poisitions pos02578 are stopped in this phrasequery\"";
+            //               0         2                      5           7  8
+            int[] expectedPositions = { 1, 3, 4, 6, 9 };
+            PhraseQuery pq = (PhraseQuery)GetQuery(qtxt, qp);
+            //System.out.println("Query text: "+qtxt);
+            //System.out.println("Result: "+pq);
+            Term[] t = pq.Terms;
+            int[] pos = pq.Positions;
+            for (int i = 0; i < t.Length; i++)
+            {
+                //System.out.println(i+". "+t[i]+"  pos: "+pos[i]);
+                assertEquals("term " + i + " = " + t[i] + " has wrong term-position!", expectedPositions[i], pos[i]);
+            }
+        }
+
+        [Test]
+        public void TestMatchAllDocs()
+        {
+            ICommonQueryParserConfiguration qp = GetParserConfig(new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, false));
+            assertEquals(new MatchAllDocsQuery(), GetQuery("*:*", qp));
+            assertEquals(new MatchAllDocsQuery(), GetQuery("(*:*)", qp));
+            BooleanQuery bq = (BooleanQuery)GetQuery("+*:* -*:*", qp);
+            assertTrue(bq.Clauses[0].Query is MatchAllDocsQuery);
+            assertTrue(bq.Clauses[1].Query is MatchAllDocsQuery);
+        }
+
+        private void AssertHits(int expected, String query, IndexSearcher @is)
+        {
+            string oldDefaultField = DefaultField;
+            DefaultField = "date";
+            ICommonQueryParserConfiguration qp = GetParserConfig(new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, false));
+            qp.Locale = System.Globalization.CultureInfo.GetCultureInfo("en");
+            Query q = GetQuery(query, qp);
+            ScoreDoc[] hits = @is.Search(q, null, 1000).ScoreDocs;
+            assertEquals(expected, hits.Length);
+            DefaultField = oldDefaultField;
+        }
+
+        public override void TearDown()
+        {
+            BooleanQuery.MaxClauseCount = originalMaxClauses;
+            base.TearDown();
+        }
+
+        // LUCENE-2002: make sure defaults for StandardAnalyzer's
+        // enableStopPositionIncr & QueryParser's enablePosIncr
+        // "match"
+        [Test]
+        public void TestPositionIncrements()
+        {
+            using (Directory dir = NewDirectory())
+            {
+                Analyzer a = new MockAnalyzer(Random(), MockTokenizer.SIMPLE, true, MockTokenFilter.ENGLISH_STOPSET);
+                using (IndexWriter w = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, a)))
+                {
+                    Document doc = new Document();
+                    doc.Add(NewTextField("field", "the wizard of ozzy", Field.Store.NO));
+                    w.AddDocument(doc);
+                    using (IndexReader r = DirectoryReader.Open(w, true))
+                    {
+                        IndexSearcher s = NewSearcher(r);
+
+                        Query q = GetQuery("\"wizard of ozzy\"", a);
+                        assertEquals(1, s.Search(q, 1).TotalHits);
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// adds synonym of "dog" for "dogs".
+        /// </summary>
+        protected class MockSynonymFilter : TokenFilter
+        {
+            ICharTermAttribute termAtt;
+            IPositionIncrementAttribute posIncAtt;
+            bool addSynonym = false;
+
+            public MockSynonymFilter(TokenStream input)
+                : base(input)
+            {
+                termAtt = AddAttribute<ICharTermAttribute>();
+                posIncAtt = AddAttribute<IPositionIncrementAttribute>();
+            }
+
+            public override sealed bool IncrementToken()
+            {
+                if (addSynonym)
+                { // inject our synonym
+                    ClearAttributes();
+                    termAtt.SetEmpty().Append("dog");
+                    posIncAtt.PositionIncrement = (0);
+                    addSynonym = false;
+                    return true;
+                }
+
+                if (input.IncrementToken())
+                {
+                    addSynonym = termAtt.toString().equals("dogs");
+                    return true;
+                }
+                else
+                {
+                    return false;
+                }
+            }
+        }
+
+        /// <summary>
+        /// whitespace+lowercase analyzer without synonyms
+        /// </summary>
+        protected class Analyzer1 : Analyzer
+        {
+            public Analyzer1()
+            { }
+
+            public override TokenStreamComponents CreateComponents(string fieldName, System.IO.TextReader reader)
+            {
+                Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.WHITESPACE, true);
+                return new TokenStreamComponents(tokenizer, new MockSynonymFilter(tokenizer));
+            }
+        }
+
+        /// <summary>
+        /// whitespace+lowercase analyzer without synonyms
+        /// </summary>
+        protected class Analyzer2 : Analyzer
+        {
+            public Analyzer2()
+            { }
+
+            public override TokenStreamComponents CreateComponents(string fieldName, System.IO.TextReader reader)
+            {
+                return new TokenStreamComponents(new MockTokenizer(reader, MockTokenizer.WHITESPACE, true));
+            }
+        }
+
+        // Moved to AbstractQueryParserTestBase
+        public override void TestNewFieldQuery()
+        {
+            throw new NotImplementedException();
+        }
+
+        /// <summary>
+        /// Mock collation analyzer: indexes terms as "collated" + term
+        /// </summary>
+        private class MockCollationFilter : TokenFilter
+        {
+            private ICharTermAttribute termAtt;
+
+            public MockCollationFilter(TokenStream input)
+                : base(input)
+            {
+                termAtt = AddAttribute<ICharTermAttribute>();
+            }
+
+            public override sealed bool IncrementToken()
+            {
+                if (input.IncrementToken())
+                {
+                    string term = termAtt.toString();
+                    termAtt.SetEmpty().Append("collated").Append(term);
+                    return true;
+                }
+                else
+                {
+                    return false;
+                }
+            }
+        }
+
+        private class MockCollationAnalyzer : Analyzer
+        {
+            public override TokenStreamComponents CreateComponents(string fieldName, System.IO.TextReader reader)
+            {
+                Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.WHITESPACE, true);
+                return new TokenStreamComponents(tokenizer, new MockCollationFilter(tokenizer));
+            }
+        }
+
+        [Test]
+        public void TestCollatedRange()
+        {
+            ICommonQueryParserConfiguration qp = GetParserConfig(new MockCollationAnalyzer());
+            SetAnalyzeRangeTerms(qp, true);
+            Query expected = TermRangeQuery.NewStringRange(DefaultField, "collatedabc", "collateddef", true, true);
+            Query actual = GetQuery("[abc TO def]", qp);
+            assertEquals(expected, actual);
+        }
+
+        [Test]
+        public void TestDistanceAsEditsParsing()
+        {
+            FuzzyQuery q = (FuzzyQuery)GetQuery("foobar~2", new MockAnalyzer(Random()));
+            assertEquals(2, q.MaxEdits);
+        }
+
+        [Test]
+        public void TestPhraseQueryToString()
+        {
+            Analyzer analyzer = new MockAnalyzer(Random(), MockTokenizer.SIMPLE, true, MockTokenFilter.ENGLISH_STOPSET);
+            ICommonQueryParserConfiguration qp = GetParserConfig(analyzer);
+            qp.EnablePositionIncrements = (true);
+            PhraseQuery q = (PhraseQuery)GetQuery("\"this hi this is a test is\"", qp);
+            assertEquals("field:\"? hi ? ? ? test\"", q.toString());
+        }
+
+        [Test]
+        public void TestParseWildcardAndPhraseQueries()
+        {
+            string field = "content";
+            string oldDefaultField = DefaultField;
+            DefaultField = (field);
+            ICommonQueryParserConfiguration qp = GetParserConfig(new MockAnalyzer(Random()));
+            qp.AllowLeadingWildcard=(true);
+
+            string[][] prefixQueries = new string[3][] {
+                new string[] {"a*", "ab*", "abc*",},
+                new string[] {"h*", "hi*", "hij*", "\\\\7*"},
+                new string[] {"o*", "op*", "opq*", "\\\\\\\\*"},
+            };
+
+            string[][] wildcardQueries = new string[3][] {
+                new string[] {"*a*", "*ab*", "*abc**", "ab*e*", "*g?", "*f?1", "abc**"},
+                new string[] {"*h*", "*hi*", "*hij**", "hi*k*", "*n?", "*m?1", "hij**"},
+                new string[] {"*o*", "*op*", "*opq**", "op*q*", "*u?", "*t?1", "opq**"},
+            };
+
+            // test queries that must be prefix queries
+            for (int i = 0; i < prefixQueries.Length; i++)
+            {
+                for (int j = 0; j < prefixQueries[i].Length; j++)
+                {
+                    string queryString = prefixQueries[i][j];
+                    Query q = GetQuery(queryString, qp);
+                    assertEquals(typeof(PrefixQuery), q.GetType());
+                }
+            }
+
+            // test queries that must be wildcard queries
+            for (int i = 0; i < wildcardQueries.Length; i++)
+            {
+                for (int j = 0; j < wildcardQueries[i].Length; j++)
+                {
+                    string qtxt = wildcardQueries[i][j];
+                    Query q = GetQuery(qtxt, qp);
+                    assertEquals(typeof(WildcardQuery), q.GetType());
+                }
+            }
+            DefaultField = (oldDefaultField);
+        }
+
+        [Test]
+        public void TestPhraseQueryPositionIncrements()
+        {
+            CharacterRunAutomaton stopStopList =
+            new CharacterRunAutomaton(new RegExp("[sS][tT][oO][pP]").ToAutomaton());
+
+            ICommonQueryParserConfiguration qp = GetParserConfig(new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, false, stopStopList));
+
+            qp = GetParserConfig(
+                                 new MockAnalyzer(Random(), MockTokenizer.WHITESPACE, false, stopStopList));
+            qp.EnablePositionIncrements=(true);
+
+            PhraseQuery phraseQuery = new PhraseQuery();
+            phraseQuery.Add(new Term("field", "1"));
+            phraseQuery.Add(new Term("field", "2"), 2);
+            assertEquals(phraseQuery, GetQuery("\"1 stop 2\"", qp));
+        }
+
+        [Test]
+        public void TestMatchAllQueryParsing()
+        {
+            // test simple parsing of MatchAllDocsQuery
+            string oldDefaultField = DefaultField;
+            DefaultField = ("key");
+            ICommonQueryParserConfiguration qp = GetParserConfig(new MockAnalyzer(Random()));
+            assertEquals(new MatchAllDocsQuery(), GetQuery(new MatchAllDocsQuery().toString(), qp));
+
+            // test parsing with non-default boost
+            MatchAllDocsQuery query = new MatchAllDocsQuery();
+            query.Boost = (2.3f);
+            assertEquals(query, GetQuery(query.toString(), qp));
+            DefaultField = (oldDefaultField);
+        }
+
+        [Test]
+        public void TestNestedAndClausesFoo()
+        {
+            string query = "(field1:[1 TO *] AND field1:[* TO 2]) AND field2:(z)";
+            BooleanQuery q = new BooleanQuery();
+            BooleanQuery bq = new BooleanQuery();
+            bq.Add(TermRangeQuery.NewStringRange("field1", "1", null, true, true), BooleanClause.Occur.MUST);
+            bq.Add(TermRangeQuery.NewStringRange("field1", null, "2", true, true), BooleanClause.Occur.MUST);
+            q.Add(bq, BooleanClause.Occur.MUST);
+            q.Add(new TermQuery(new Term("field2", "z")), BooleanClause.Occur.MUST);
+            assertEquals(q, GetQuery(query, new MockAnalyzer(Random())));
+        }
+    }
+
+
+    /// <summary>
+    /// This class was added in .NET because the Visual Studio test runner
+    /// does not detect tests in abstract classes. Therefore, the abstract members
+    /// of QueryParserTestBase were moved here so the QueryParserTestBase class
+    /// could be made concrete.
+    /// </summary>
+    public abstract class AbstractQueryParserTestBase : LuceneTestCase
+    {
+        public abstract void TestStarParsing();
+
+        public abstract void TestNewFieldQuery();
+
+        public abstract void TestDefaultOperator();
+
+        public abstract ICommonQueryParserConfiguration GetParserConfig(Analyzer a);
+
+        public abstract void SetDefaultOperatorOR(ICommonQueryParserConfiguration cqpC);
+
+        public abstract void SetDefaultOperatorAND(ICommonQueryParserConfiguration cqpC);
+
+        public abstract void SetAnalyzeRangeTerms(ICommonQueryParserConfiguration cqpC, bool value);
+
+        public abstract void SetAutoGeneratePhraseQueries(ICommonQueryParserConfiguration cqpC, bool value);
+
+        public abstract void SetDateResolution(ICommonQueryParserConfiguration cqpC, ICharSequence field, DateTools.Resolution value);
+
+        public abstract Query GetQuery(string query, ICommonQueryParserConfiguration cqpC);
+
+        public abstract Query GetQuery(string query, Analyzer a);
+
+        public abstract bool IsQueryParserException(Exception exception);
+    }
+}

http://git-wip-us.apache.org/repos/asf/lucenenet/blob/679ad24c/src/Lucene.Net.Tests.QueryParser/packages.config
----------------------------------------------------------------------
diff --git a/src/Lucene.Net.Tests.QueryParser/packages.config b/src/Lucene.Net.Tests.QueryParser/packages.config
new file mode 100644
index 0000000..139d513
--- /dev/null
+++ b/src/Lucene.Net.Tests.QueryParser/packages.config
@@ -0,0 +1,4 @@
+\ufeff<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="NUnit" version="2.6.3" targetFramework="net451" />
+</packages>
\ No newline at end of file