using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Util;
using NUnit.Framework;

namespace Lucene.Net.Analysis.Miscellaneous
{
    /*
	 * 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.
	 */

    public class TestSingleTokenTokenFilter : LuceneTestCase
    {

        [Test]
        public virtual void Test()
        {
            Token token = new Token();
            SingleTokenTokenStream ts = new SingleTokenTokenStream(token);
            var tokenAtt = ts.AddAttribute<ICharTermAttribute>();
            assertTrue(tokenAtt is Token);
            ts.Reset();

            assertTrue(ts.IncrementToken());
            assertEquals(token, tokenAtt);
            assertFalse(ts.IncrementToken());

            token = new Token("hallo", 10, 20, "someType");
            ts.SetToken(token);
            ts.Reset();

            assertTrue(ts.IncrementToken());
            assertEquals(token, tokenAtt);
            assertFalse(ts.IncrementToken());
        }
    }
}