/*
* 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.
*/
package org.apache.lucene.analysis.miscellaneous;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.analysis.TokenStream;
import org.junit.Test;
public class TestLimitTokenOffsetFilter extends BaseTokenStreamTestCase {
public void test() throws Exception {
for (final boolean consumeAll : new boolean[]{true, false}) {
MockTokenizer tokenizer = whitespaceMockTokenizer("A1 B2 C3 D4 E5 F6");
tokenizer.setEnableChecks(consumeAll);
//note with '3', this test would fail if erroneously the filter used endOffset instead
TokenStream stream = new LimitTokenOffsetFilter(tokenizer, 3, consumeAll);
assertTokenStreamContents(stream, new String[]{"A1", "B2"});
}
}
@Test(expected = IllegalArgumentException.class)
public void testIllegalArguments() throws Exception {
new LimitTokenOffsetFilter(whitespaceMockTokenizer("A1 B2 C3 D4 E5 F6"), -1);
}
}