| /* |
| * 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.search.vectorhighlight; |
| |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class SimpleBoundaryScannerTest extends LuceneTestCase { |
| static final String TEXT = |
| "Apache Lucene(TM) is a high-performance, full-featured\ntext search engine library written entirely in Java."; |
| |
| public void testFindStartOffset() throws Exception { |
| StringBuilder text = new StringBuilder(TEXT); |
| BoundaryScanner scanner = new SimpleBoundaryScanner(); |
| |
| // test out of range |
| int start = TEXT.length() + 1; |
| assertEquals(start, scanner.findStartOffset(text, start)); |
| start = 0; |
| assertEquals(start, scanner.findStartOffset(text, start)); |
| |
| start = TEXT.indexOf("formance"); |
| int expected = TEXT.indexOf("high-performance"); |
| assertEquals(expected, scanner.findStartOffset(text, start)); |
| |
| start = TEXT.indexOf("che"); |
| expected = TEXT.indexOf("Apache"); |
| assertEquals(expected, scanner.findStartOffset(text, start)); |
| } |
| |
| public void testFindEndOffset() throws Exception { |
| StringBuilder text = new StringBuilder(TEXT); |
| BoundaryScanner scanner = new SimpleBoundaryScanner(); |
| |
| // test out of range |
| int start = TEXT.length() + 1; |
| assertEquals(start, scanner.findEndOffset(text, start)); |
| start = -1; |
| assertEquals(start, scanner.findEndOffset(text, start)); |
| |
| start = TEXT.indexOf("full-"); |
| int expected = TEXT.indexOf("\ntext"); |
| assertEquals(expected, scanner.findEndOffset(text, start)); |
| } |
| } |