/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using System;

using NUnit.Framework;

using Lucene.Net.Search;
using Searchable = Lucene.Net.Search.Searchable;
using RAMDirectory = Lucene.Net.Store.RAMDirectory;
using IndexWriter = Lucene.Net.Index.IndexWriter;
using IndexReader = Lucene.Net.Index.IndexReader;
using Term = Lucene.Net.Index.Term;
using WhitespaceAnalyzer = Lucene.Net.Analysis.WhitespaceAnalyzer;
using Document = Lucene.Net.Documents.Document;
using Field = Lucene.Net.Documents.Field;
using QueryParser = Lucene.Net.QueryParsers.QueryParser;
using ParseException = Lucene.Net.QueryParsers.ParseException;

namespace Lucene.Net.Search.Spans
{
	
	/// <summary> TestExplanations subclass focusing on span queries</summary>
	[TestFixture]
	public class TestSpanExplanations : TestExplanations
	{
		
		/* simple SpanTermQueries */
		[Test]
		public virtual void  TestST1()
		{
			SpanQuery q = St("w1");
			Qtest(q, new int[]{0, 1, 2, 3});
		}

        [Test]
		public virtual void  TestST2()
		{
			SpanQuery q = St("w1");
			q.SetBoost(1000);
			Qtest(q, new int[]{0, 1, 2, 3});
		}

        [Test]
		public virtual void  TestST4()
		{
			SpanQuery q = St("xx");
			Qtest(q, new int[]{2, 3});
		}

        [Test]
		public virtual void  TestST5()
		{
			SpanQuery q = St("xx");
			q.SetBoost(1000);
			Qtest(q, new int[]{2, 3});
		}
		
		/* some SpanFirstQueries */
		
        [Test]
        public virtual void  TestSF1()
		{
			SpanQuery q = Sf(("w1"), 1);
			Qtest(q, new int[]{0, 1, 2, 3});
		}

        [Test]
        public virtual void  TestSF2()
		{
			SpanQuery q = Sf(("w1"), 1);
			q.SetBoost(1000);
			Qtest(q, new int[]{0, 1, 2, 3});
		}

        [Test]
        public virtual void  TestSF4()
		{
			SpanQuery q = Sf(("xx"), 2);
			Qtest(q, new int[]{2});
		}

        [Test]
        public virtual void  TestSF5()
		{
			SpanQuery q = Sf(("yy"), 2);
			Qtest(q, new int[]{});
		}

        [Test]
        public virtual void  TestSF6()
		{
			SpanQuery q = Sf(("yy"), 4);
			q.SetBoost(1000);
			Qtest(q, new int[]{2});
		}
		
		/* some SpanOrQueries */
		
        [Test]
        public virtual void  TestSO1()
		{
			SpanQuery q = Sor("w1", "QQ");
			Qtest(q, new int[]{0, 1, 2, 3});
		}

        [Test]
        public virtual void  TestSO2()
		{
			SpanQuery q = Sor("w1", "w3", "zz");
			Qtest(q, new int[]{0, 1, 2, 3});
		}

        [Test]
        public virtual void  TestSO3()
		{
			SpanQuery q = Sor("w5", "QQ", "yy");
			Qtest(q, new int[]{0, 2, 3});
		}

        [Test]
        public virtual void  TestSO4()
		{
			SpanQuery q = Sor("w5", "QQ", "yy");
			Qtest(q, new int[]{0, 2, 3});
		}
		
		
		
		/* some SpanNearQueries */
		
        [Test]
        public virtual void  TestSNear1()
		{
			SpanQuery q = Snear("w1", "QQ", 100, true);
			Qtest(q, new int[]{});
		}

        [Test]
        public virtual void  TestSNear2()
		{
			SpanQuery q = Snear("w1", "xx", 100, true);
			Qtest(q, new int[]{2, 3});
		}

        [Test]
        public virtual void  TestSNear3()
		{
			SpanQuery q = Snear("w1", "xx", 0, true);
			Qtest(q, new int[]{2});
		}

        [Test]
        public virtual void  TestSNear4()
		{
			SpanQuery q = Snear("w1", "xx", 1, true);
			Qtest(q, new int[]{2, 3});
		}

        [Test]
        public virtual void  TestSNear5()
		{
			SpanQuery q = Snear("xx", "w1", 0, false);
			Qtest(q, new int[]{2});
		}
		
        [Test]
        public virtual void  TestSNear6()
		{
			SpanQuery q = Snear("w1", "w2", "QQ", 100, true);
			Qtest(q, new int[]{});
		}

        [Test]
        public virtual void  TestSNear7()
		{
			SpanQuery q = Snear("w1", "xx", "w2", 100, true);
			Qtest(q, new int[]{2, 3});
		}

        [Test]
        public virtual void  TestSNear8()
		{
			SpanQuery q = Snear("w1", "xx", "w2", 0, true);
			Qtest(q, new int[]{2});
		}

        [Test]
        public virtual void  TestSNear9()
		{
			SpanQuery q = Snear("w1", "xx", "w2", 1, true);
			Qtest(q, new int[]{2, 3});
		}

        [Test]
        public virtual void  TestSNear10()
		{
			SpanQuery q = Snear("xx", "w1", "w2", 0, false);
			Qtest(q, new int[]{2});
		}

        [Test]
        public virtual void  TestSNear11()
		{
			SpanQuery q = Snear("w1", "w2", "w3", 1, true);
			Qtest(q, new int[]{0, 1});
		}
		
		
		/* some SpanNotQueries */
		
        [Test]
        public virtual void  TestSNot1()
		{
			SpanQuery q = Snot(Sf("w1", 10), St("QQ"));
			Qtest(q, new int[]{0, 1, 2, 3});
		}

        [Test]
        public virtual void  TestSNot2()
		{
			SpanQuery q = Snot(Sf("w1", 10), St("QQ"));
			q.SetBoost(1000);
			Qtest(q, new int[]{0, 1, 2, 3});
		}

        [Test]
        public virtual void  TestSNot4()
		{
			SpanQuery q = Snot(Sf("w1", 10), St("xx"));
			Qtest(q, new int[]{0, 1, 2, 3});
		}

        [Test]
        public virtual void  TestSNot5()
		{
			SpanQuery q = Snot(Sf("w1", 10), St("xx"));
			q.SetBoost(1000);
			Qtest(q, new int[]{0, 1, 2, 3});
		}

        [Test]
        public virtual void  TestSNot7()
		{
			SpanQuery f = Snear("w1", "w3", 10, true);
			f.SetBoost(1000);
			SpanQuery q = Snot(f, St("xx"));
			Qtest(q, new int[]{0, 1, 3});
		}

        [Test]
        public virtual void  TestSNot10()
		{
			SpanQuery t = St("xx");
			t.SetBoost(10000);
			SpanQuery q = Snot(Snear("w1", "w3", 10, true), t);
			Qtest(q, new int[]{0, 1, 3});
		}
	}
}